diff --git a/examples/global_state/out/AppStateContract.destructured.ir b/examples/global_state/out/AppStateContract.destructured.ir
index f471e14379..ced7a14790 100644
--- a/examples/global_state/out/AppStateContract.destructured.ir
+++ b/examples/global_state/out/AppStateContract.destructured.ir
@@ -12,17 +12,17 @@ contract examples.global_state.contract.AppStateContract:
                 (assert global_int_simplified_exists%0#0) // check global_int_simplified exists
                 let tmp%0#0: uint64 = (== global_int_simplified_value%0#0 33u)
                 (assert tmp%0#0)
-                let (global_int_full_exists%0#0: any, global_int_full_exists%1#0: uint64) = (app_global_get_ex 0u "global_int_full")
+                let (global_int_full_exists%0#0: uint64, global_int_full_exists%1#0: uint64) = (app_global_get_ex 0u "global_int_full")
                 (assert global_int_full_exists%1#0)
                 let (global_int_full_value%0#0: uint64, global_int_full_exists%2#0: uint64) = (app_global_get_ex 0u "global_int_full")
                 (assert global_int_full_exists%2#0) // check global_int_full exists
                 let tmp%1#0: uint64 = (== global_int_full_value%0#0 55u)
                 (assert tmp%1#0)
-                let (global_int_no_default_exists%0#0: any, global_int_no_default_exists%1#0: uint64) = (app_global_get_ex 0u "global_int_no_default")
+                let (global_int_no_default_exists%0#0: uint64, global_int_no_default_exists%1#0: uint64) = (app_global_get_ex 0u "global_int_no_default")
                 let tmp%2#0: uint64 = (! global_int_no_default_exists%1#0)
                 (assert tmp%2#0)
                 (app_global_put "global_int_no_default" 44u)
-                let (i_value#0: any, i_exists#0: uint64) = (app_global_get_ex 0u "global_int_no_default")
+                let (i_value#0: uint64, i_exists#0: uint64) = (app_global_get_ex 0u "global_int_no_default")
                 (assert i_exists#0)
                 let tmp%3#0: uint64 = (== i_value#0 44u)
                 (assert tmp%3#0)
@@ -30,35 +30,35 @@ contract examples.global_state.contract.AppStateContract:
                 (assert global_bytes_simplified_exists%0#0) // check global_bytes_simplified exists
                 let tmp%4#0: uint64 = (== global_bytes_simplified_value%0#0 "Hello")
                 (assert tmp%4#0)
-                let (global_bytes_full_exists%0#0: any, global_bytes_full_exists%1#0: uint64) = (app_global_get_ex 0u "global_bytes_full")
+                let (global_bytes_full_exists%0#0: bytes, global_bytes_full_exists%1#0: uint64) = (app_global_get_ex 0u "global_bytes_full")
                 (assert global_bytes_full_exists%1#0)
                 let (global_bytes_full_value%0#0: bytes, global_bytes_full_exists%2#0: uint64) = (app_global_get_ex 0u "global_bytes_full")
                 (assert global_bytes_full_exists%2#0) // check global_bytes_full exists
                 let tmp%5#0: uint64 = (== global_bytes_full_value%0#0 "Hello")
                 (assert tmp%5#0)
-                let (global_bytes_full_get_ex%0#0: any, global_bytes_full_get_ex%1#0: uint64) = (app_global_get_ex 0u "global_bytes_full")
-                let tmp%6#0: any = (select "default" global_bytes_full_get_ex%0#0 global_bytes_full_get_ex%1#0)
+                let (global_bytes_full_get_ex%0#0: bytes, global_bytes_full_get_ex%1#0: uint64) = (app_global_get_ex 0u "global_bytes_full")
+                let tmp%6#0: bytes = (select "default" global_bytes_full_get_ex%0#0 global_bytes_full_get_ex%1#0)
                 let tmp%7#0: uint64 = (== tmp%6#0 "Hello")
                 (assert tmp%7#0)
-                let (global_bytes_no_default_exists%0#0: any, global_bytes_no_default_exists%1#0: uint64) = (app_global_get_ex 0u "global_bytes_no_default")
+                let (global_bytes_no_default_exists%0#0: bytes, global_bytes_no_default_exists%1#0: uint64) = (app_global_get_ex 0u "global_bytes_no_default")
                 let tmp%8#0: uint64 = (! global_bytes_no_default_exists%1#0)
                 (assert tmp%8#0)
                 (app_global_put "global_bytes_no_default" "World")
-                let (b_value#0: any, b_exists#0: uint64) = (app_global_get_ex 0u "global_bytes_no_default")
+                let (b_value#0: bytes, b_exists#0: uint64) = (app_global_get_ex 0u "global_bytes_no_default")
                 (assert b_exists#0)
                 let tmp%9#0: uint64 = (== b_value#0 "World")
                 (assert tmp%9#0)
                 (app_global_del "global_bytes_no_default")
-                let (b_value#0: any, b_exists#0: uint64) = (app_global_get_ex 0u "global_bytes_no_default")
+                let (b_value#0: bytes, b_exists#0: uint64) = (app_global_get_ex 0u "global_bytes_no_default")
                 let tmp%10#0: uint64 = (! b_exists#0)
                 (assert tmp%10#0)
-                let (global_bytes_no_default_get_ex%0#0: any, global_bytes_no_default_get_ex%1#0: uint64) = (app_global_get_ex 0u "global_bytes_no_default")
-                let tmp%11#0: any = (select "default" global_bytes_no_default_get_ex%0#0 global_bytes_no_default_get_ex%1#0)
+                let (global_bytes_no_default_get_ex%0#0: bytes, global_bytes_no_default_get_ex%1#0: uint64) = (app_global_get_ex 0u "global_bytes_no_default")
+                let tmp%11#0: bytes = (select "default" global_bytes_no_default_get_ex%0#0 global_bytes_no_default_get_ex%1#0)
                 let tmp%12#0: uint64 = (== tmp%11#0 "default")
                 (assert tmp%12#0)
-                let (global_bool_full_exists%0#0: any, global_bool_full_exists%1#0: uint64) = (app_global_get_ex 0u "global_bool_full")
+                let (global_bool_full_exists%0#0: uint64, global_bool_full_exists%1#0: uint64) = (app_global_get_ex 0u "global_bool_full")
                 (assert global_bool_full_exists%1#0)
-                let (global_bool_no_default_exists%0#0: any, global_bool_no_default_exists%1#0: uint64) = (app_global_get_ex 0u "global_bool_no_default")
+                let (global_bool_no_default_exists%0#0: uint64, global_bool_no_default_exists%1#0: uint64) = (app_global_get_ex 0u "global_bool_no_default")
                 let tmp%13#0: uint64 = (! global_bool_no_default_exists%1#0)
                 (assert tmp%13#0)
                 (app_global_put "global_bool_no_default" 1u)
diff --git a/examples/global_state/out/AppStateContract.ssa.ir b/examples/global_state/out/AppStateContract.ssa.ir
index 119239d856..dfba432f0b 100644
--- a/examples/global_state/out/AppStateContract.ssa.ir
+++ b/examples/global_state/out/AppStateContract.ssa.ir
@@ -12,18 +12,18 @@ contract examples.global_state.contract.AppStateContract:
                 (assert global_int_simplified_exists%0#0) // check global_int_simplified exists
                 let tmp%0#0: uint64 = (== global_int_simplified_value%0#0 33u)
                 (assert tmp%0#0)
-                let (global_int_full_exists%0#0: any, global_int_full_exists%1#0: uint64) = (app_global_get_ex 0u "global_int_full")
+                let (global_int_full_exists%0#0: uint64, global_int_full_exists%1#0: uint64) = (app_global_get_ex 0u "global_int_full")
                 (assert global_int_full_exists%1#0)
                 let (global_int_full_value%0#0: uint64, global_int_full_exists%2#0: uint64) = (app_global_get_ex 0u "global_int_full")
                 (assert global_int_full_exists%2#0) // check global_int_full exists
                 let tmp%1#0: uint64 = (== global_int_full_value%0#0 55u)
                 (assert tmp%1#0)
-                let (global_int_no_default_exists%0#0: any, global_int_no_default_exists%1#0: uint64) = (app_global_get_ex 0u "global_int_no_default")
+                let (global_int_no_default_exists%0#0: uint64, global_int_no_default_exists%1#0: uint64) = (app_global_get_ex 0u "global_int_no_default")
                 let tmp%2#0: uint64 = (! global_int_no_default_exists%1#0)
                 (assert tmp%2#0)
                 (app_global_put "global_int_no_default" 44u)
-                let (tuple_assignment%0#0: any, tuple_assignment%1#0: uint64) = (app_global_get_ex 0u "global_int_no_default")
-                let i_value#0: any = tuple_assignment%0#0
+                let (tuple_assignment%0#0: uint64, tuple_assignment%1#0: uint64) = (app_global_get_ex 0u "global_int_no_default")
+                let i_value#0: uint64 = tuple_assignment%0#0
                 let i_exists#0: uint64 = tuple_assignment%1#0
                 (assert i_exists#0)
                 let tmp%3#0: uint64 = (== i_value#0 44u)
@@ -32,39 +32,39 @@ contract examples.global_state.contract.AppStateContract:
                 (assert global_bytes_simplified_exists%0#0) // check global_bytes_simplified exists
                 let tmp%4#0: uint64 = (== global_bytes_simplified_value%0#0 "Hello")
                 (assert tmp%4#0)
-                let (global_bytes_full_exists%0#0: any, global_bytes_full_exists%1#0: uint64) = (app_global_get_ex 0u "global_bytes_full")
+                let (global_bytes_full_exists%0#0: bytes, global_bytes_full_exists%1#0: uint64) = (app_global_get_ex 0u "global_bytes_full")
                 (assert global_bytes_full_exists%1#0)
                 let (global_bytes_full_value%0#0: bytes, global_bytes_full_exists%2#0: uint64) = (app_global_get_ex 0u "global_bytes_full")
                 (assert global_bytes_full_exists%2#0) // check global_bytes_full exists
                 let tmp%5#0: uint64 = (== global_bytes_full_value%0#0 "Hello")
                 (assert tmp%5#0)
-                let (global_bytes_full_get_ex%0#0: any, global_bytes_full_get_ex%1#0: uint64) = (app_global_get_ex 0u "global_bytes_full")
-                let tmp%6#0: any = (select "default" global_bytes_full_get_ex%0#0 global_bytes_full_get_ex%1#0)
+                let (global_bytes_full_get_ex%0#0: bytes, global_bytes_full_get_ex%1#0: uint64) = (app_global_get_ex 0u "global_bytes_full")
+                let tmp%6#0: bytes = (select "default" global_bytes_full_get_ex%0#0 global_bytes_full_get_ex%1#0)
                 let tmp%7#0: uint64 = (== tmp%6#0 "Hello")
                 (assert tmp%7#0)
-                let (global_bytes_no_default_exists%0#0: any, global_bytes_no_default_exists%1#0: uint64) = (app_global_get_ex 0u "global_bytes_no_default")
+                let (global_bytes_no_default_exists%0#0: bytes, global_bytes_no_default_exists%1#0: uint64) = (app_global_get_ex 0u "global_bytes_no_default")
                 let tmp%8#0: uint64 = (! global_bytes_no_default_exists%1#0)
                 (assert tmp%8#0)
                 (app_global_put "global_bytes_no_default" "World")
-                let (tuple_assignment%2#0: any, tuple_assignment%3#0: uint64) = (app_global_get_ex 0u "global_bytes_no_default")
-                let b_value#0: any = tuple_assignment%2#0
+                let (tuple_assignment%2#0: bytes, tuple_assignment%3#0: uint64) = (app_global_get_ex 0u "global_bytes_no_default")
+                let b_value#0: bytes = tuple_assignment%2#0
                 let b_exists#0: uint64 = tuple_assignment%3#0
                 (assert b_exists#0)
                 let tmp%9#0: uint64 = (== b_value#0 "World")
                 (assert tmp%9#0)
                 (app_global_del "global_bytes_no_default")
-                let (tuple_assignment%4#0: any, tuple_assignment%5#0: uint64) = (app_global_get_ex 0u "global_bytes_no_default")
-                let b_value#1: any = tuple_assignment%4#0
+                let (tuple_assignment%4#0: bytes, tuple_assignment%5#0: uint64) = (app_global_get_ex 0u "global_bytes_no_default")
+                let b_value#1: bytes = tuple_assignment%4#0
                 let b_exists#1: uint64 = tuple_assignment%5#0
                 let tmp%10#0: uint64 = (! b_exists#1)
                 (assert tmp%10#0)
-                let (global_bytes_no_default_get_ex%0#0: any, global_bytes_no_default_get_ex%1#0: uint64) = (app_global_get_ex 0u "global_bytes_no_default")
-                let tmp%11#0: any = (select "default" global_bytes_no_default_get_ex%0#0 global_bytes_no_default_get_ex%1#0)
+                let (global_bytes_no_default_get_ex%0#0: bytes, global_bytes_no_default_get_ex%1#0: uint64) = (app_global_get_ex 0u "global_bytes_no_default")
+                let tmp%11#0: bytes = (select "default" global_bytes_no_default_get_ex%0#0 global_bytes_no_default_get_ex%1#0)
                 let tmp%12#0: uint64 = (== tmp%11#0 "default")
                 (assert tmp%12#0)
-                let (global_bool_full_exists%0#0: any, global_bool_full_exists%1#0: uint64) = (app_global_get_ex 0u "global_bool_full")
+                let (global_bool_full_exists%0#0: uint64, global_bool_full_exists%1#0: uint64) = (app_global_get_ex 0u "global_bool_full")
                 (assert global_bool_full_exists%1#0)
-                let (global_bool_no_default_exists%0#0: any, global_bool_no_default_exists%1#0: uint64) = (app_global_get_ex 0u "global_bool_no_default")
+                let (global_bool_no_default_exists%0#0: uint64, global_bool_no_default_exists%1#0: uint64) = (app_global_get_ex 0u "global_bool_no_default")
                 let tmp%13#0: uint64 = (! global_bool_no_default_exists%1#0)
                 (assert tmp%13#0)
                 (app_global_put "global_bool_no_default" 1u)
diff --git a/examples/global_state/out/AppStateContract.ssa.opt_pass_1.ir b/examples/global_state/out/AppStateContract.ssa.opt_pass_1.ir
index 1148e8c45a..5e6919f5bc 100644
--- a/examples/global_state/out/AppStateContract.ssa.opt_pass_1.ir
+++ b/examples/global_state/out/AppStateContract.ssa.opt_pass_1.ir
@@ -12,17 +12,17 @@ contract examples.global_state.contract.AppStateContract:
                 (assert global_int_simplified_exists%0#0) // check global_int_simplified exists
                 let tmp%0#0: uint64 = (== global_int_simplified_value%0#0 33u)
                 (assert tmp%0#0)
-                let (global_int_full_exists%0#0: any, global_int_full_exists%1#0: uint64) = (app_global_get_ex 0u "global_int_full")
+                let (global_int_full_exists%0#0: uint64, global_int_full_exists%1#0: uint64) = (app_global_get_ex 0u "global_int_full")
                 (assert global_int_full_exists%1#0)
                 let (global_int_full_value%0#0: uint64, global_int_full_exists%2#0: uint64) = (app_global_get_ex 0u "global_int_full")
                 (assert global_int_full_exists%2#0) // check global_int_full exists
                 let tmp%1#0: uint64 = (== global_int_full_value%0#0 55u)
                 (assert tmp%1#0)
-                let (global_int_no_default_exists%0#0: any, global_int_no_default_exists%1#0: uint64) = (app_global_get_ex 0u "global_int_no_default")
+                let (global_int_no_default_exists%0#0: uint64, global_int_no_default_exists%1#0: uint64) = (app_global_get_ex 0u "global_int_no_default")
                 let tmp%2#0: uint64 = (! global_int_no_default_exists%1#0)
                 (assert tmp%2#0)
                 (app_global_put "global_int_no_default" 44u)
-                let (i_value#0: any, i_exists#0: uint64) = (app_global_get_ex 0u "global_int_no_default")
+                let (i_value#0: uint64, i_exists#0: uint64) = (app_global_get_ex 0u "global_int_no_default")
                 (assert i_exists#0)
                 let tmp%3#0: uint64 = (== i_value#0 44u)
                 (assert tmp%3#0)
@@ -30,35 +30,35 @@ contract examples.global_state.contract.AppStateContract:
                 (assert global_bytes_simplified_exists%0#0) // check global_bytes_simplified exists
                 let tmp%4#0: uint64 = (== global_bytes_simplified_value%0#0 "Hello")
                 (assert tmp%4#0)
-                let (global_bytes_full_exists%0#0: any, global_bytes_full_exists%1#0: uint64) = (app_global_get_ex 0u "global_bytes_full")
+                let (global_bytes_full_exists%0#0: bytes, global_bytes_full_exists%1#0: uint64) = (app_global_get_ex 0u "global_bytes_full")
                 (assert global_bytes_full_exists%1#0)
                 let (global_bytes_full_value%0#0: bytes, global_bytes_full_exists%2#0: uint64) = (app_global_get_ex 0u "global_bytes_full")
                 (assert global_bytes_full_exists%2#0) // check global_bytes_full exists
                 let tmp%5#0: uint64 = (== global_bytes_full_value%0#0 "Hello")
                 (assert tmp%5#0)
-                let (global_bytes_full_get_ex%0#0: any, global_bytes_full_get_ex%1#0: uint64) = (app_global_get_ex 0u "global_bytes_full")
-                let tmp%6#0: any = (select "default" global_bytes_full_get_ex%0#0 global_bytes_full_get_ex%1#0)
+                let (global_bytes_full_get_ex%0#0: bytes, global_bytes_full_get_ex%1#0: uint64) = (app_global_get_ex 0u "global_bytes_full")
+                let tmp%6#0: bytes = (select "default" global_bytes_full_get_ex%0#0 global_bytes_full_get_ex%1#0)
                 let tmp%7#0: uint64 = (== tmp%6#0 "Hello")
                 (assert tmp%7#0)
-                let (global_bytes_no_default_exists%0#0: any, global_bytes_no_default_exists%1#0: uint64) = (app_global_get_ex 0u "global_bytes_no_default")
+                let (global_bytes_no_default_exists%0#0: bytes, global_bytes_no_default_exists%1#0: uint64) = (app_global_get_ex 0u "global_bytes_no_default")
                 let tmp%8#0: uint64 = (! global_bytes_no_default_exists%1#0)
                 (assert tmp%8#0)
                 (app_global_put "global_bytes_no_default" "World")
-                let (b_value#0: any, b_exists#0: uint64) = (app_global_get_ex 0u "global_bytes_no_default")
+                let (b_value#0: bytes, b_exists#0: uint64) = (app_global_get_ex 0u "global_bytes_no_default")
                 (assert b_exists#0)
                 let tmp%9#0: uint64 = (== b_value#0 "World")
                 (assert tmp%9#0)
                 (app_global_del "global_bytes_no_default")
-                let (b_value#1: any, b_exists#1: uint64) = (app_global_get_ex 0u "global_bytes_no_default")
+                let (b_value#1: bytes, b_exists#1: uint64) = (app_global_get_ex 0u "global_bytes_no_default")
                 let tmp%10#0: uint64 = (! b_exists#1)
                 (assert tmp%10#0)
-                let (global_bytes_no_default_get_ex%0#0: any, global_bytes_no_default_get_ex%1#0: uint64) = (app_global_get_ex 0u "global_bytes_no_default")
-                let tmp%11#0: any = (select "default" global_bytes_no_default_get_ex%0#0 global_bytes_no_default_get_ex%1#0)
+                let (global_bytes_no_default_get_ex%0#0: bytes, global_bytes_no_default_get_ex%1#0: uint64) = (app_global_get_ex 0u "global_bytes_no_default")
+                let tmp%11#0: bytes = (select "default" global_bytes_no_default_get_ex%0#0 global_bytes_no_default_get_ex%1#0)
                 let tmp%12#0: uint64 = (== tmp%11#0 "default")
                 (assert tmp%12#0)
-                let (global_bool_full_exists%0#0: any, global_bool_full_exists%1#0: uint64) = (app_global_get_ex 0u "global_bool_full")
+                let (global_bool_full_exists%0#0: uint64, global_bool_full_exists%1#0: uint64) = (app_global_get_ex 0u "global_bool_full")
                 (assert global_bool_full_exists%1#0)
-                let (global_bool_no_default_exists%0#0: any, global_bool_no_default_exists%1#0: uint64) = (app_global_get_ex 0u "global_bool_no_default")
+                let (global_bool_no_default_exists%0#0: uint64, global_bool_no_default_exists%1#0: uint64) = (app_global_get_ex 0u "global_bool_no_default")
                 let tmp%13#0: uint64 = (! global_bool_no_default_exists%1#0)
                 (assert tmp%13#0)
                 (app_global_put "global_bool_no_default" 1u)
diff --git a/examples/global_state/out_O2/AppStateContract.destructured.ir b/examples/global_state/out_O2/AppStateContract.destructured.ir
index f471e14379..ced7a14790 100644
--- a/examples/global_state/out_O2/AppStateContract.destructured.ir
+++ b/examples/global_state/out_O2/AppStateContract.destructured.ir
@@ -12,17 +12,17 @@ contract examples.global_state.contract.AppStateContract:
                 (assert global_int_simplified_exists%0#0) // check global_int_simplified exists
                 let tmp%0#0: uint64 = (== global_int_simplified_value%0#0 33u)
                 (assert tmp%0#0)
-                let (global_int_full_exists%0#0: any, global_int_full_exists%1#0: uint64) = (app_global_get_ex 0u "global_int_full")
+                let (global_int_full_exists%0#0: uint64, global_int_full_exists%1#0: uint64) = (app_global_get_ex 0u "global_int_full")
                 (assert global_int_full_exists%1#0)
                 let (global_int_full_value%0#0: uint64, global_int_full_exists%2#0: uint64) = (app_global_get_ex 0u "global_int_full")
                 (assert global_int_full_exists%2#0) // check global_int_full exists
                 let tmp%1#0: uint64 = (== global_int_full_value%0#0 55u)
                 (assert tmp%1#0)
-                let (global_int_no_default_exists%0#0: any, global_int_no_default_exists%1#0: uint64) = (app_global_get_ex 0u "global_int_no_default")
+                let (global_int_no_default_exists%0#0: uint64, global_int_no_default_exists%1#0: uint64) = (app_global_get_ex 0u "global_int_no_default")
                 let tmp%2#0: uint64 = (! global_int_no_default_exists%1#0)
                 (assert tmp%2#0)
                 (app_global_put "global_int_no_default" 44u)
-                let (i_value#0: any, i_exists#0: uint64) = (app_global_get_ex 0u "global_int_no_default")
+                let (i_value#0: uint64, i_exists#0: uint64) = (app_global_get_ex 0u "global_int_no_default")
                 (assert i_exists#0)
                 let tmp%3#0: uint64 = (== i_value#0 44u)
                 (assert tmp%3#0)
@@ -30,35 +30,35 @@ contract examples.global_state.contract.AppStateContract:
                 (assert global_bytes_simplified_exists%0#0) // check global_bytes_simplified exists
                 let tmp%4#0: uint64 = (== global_bytes_simplified_value%0#0 "Hello")
                 (assert tmp%4#0)
-                let (global_bytes_full_exists%0#0: any, global_bytes_full_exists%1#0: uint64) = (app_global_get_ex 0u "global_bytes_full")
+                let (global_bytes_full_exists%0#0: bytes, global_bytes_full_exists%1#0: uint64) = (app_global_get_ex 0u "global_bytes_full")
                 (assert global_bytes_full_exists%1#0)
                 let (global_bytes_full_value%0#0: bytes, global_bytes_full_exists%2#0: uint64) = (app_global_get_ex 0u "global_bytes_full")
                 (assert global_bytes_full_exists%2#0) // check global_bytes_full exists
                 let tmp%5#0: uint64 = (== global_bytes_full_value%0#0 "Hello")
                 (assert tmp%5#0)
-                let (global_bytes_full_get_ex%0#0: any, global_bytes_full_get_ex%1#0: uint64) = (app_global_get_ex 0u "global_bytes_full")
-                let tmp%6#0: any = (select "default" global_bytes_full_get_ex%0#0 global_bytes_full_get_ex%1#0)
+                let (global_bytes_full_get_ex%0#0: bytes, global_bytes_full_get_ex%1#0: uint64) = (app_global_get_ex 0u "global_bytes_full")
+                let tmp%6#0: bytes = (select "default" global_bytes_full_get_ex%0#0 global_bytes_full_get_ex%1#0)
                 let tmp%7#0: uint64 = (== tmp%6#0 "Hello")
                 (assert tmp%7#0)
-                let (global_bytes_no_default_exists%0#0: any, global_bytes_no_default_exists%1#0: uint64) = (app_global_get_ex 0u "global_bytes_no_default")
+                let (global_bytes_no_default_exists%0#0: bytes, global_bytes_no_default_exists%1#0: uint64) = (app_global_get_ex 0u "global_bytes_no_default")
                 let tmp%8#0: uint64 = (! global_bytes_no_default_exists%1#0)
                 (assert tmp%8#0)
                 (app_global_put "global_bytes_no_default" "World")
-                let (b_value#0: any, b_exists#0: uint64) = (app_global_get_ex 0u "global_bytes_no_default")
+                let (b_value#0: bytes, b_exists#0: uint64) = (app_global_get_ex 0u "global_bytes_no_default")
                 (assert b_exists#0)
                 let tmp%9#0: uint64 = (== b_value#0 "World")
                 (assert tmp%9#0)
                 (app_global_del "global_bytes_no_default")
-                let (b_value#0: any, b_exists#0: uint64) = (app_global_get_ex 0u "global_bytes_no_default")
+                let (b_value#0: bytes, b_exists#0: uint64) = (app_global_get_ex 0u "global_bytes_no_default")
                 let tmp%10#0: uint64 = (! b_exists#0)
                 (assert tmp%10#0)
-                let (global_bytes_no_default_get_ex%0#0: any, global_bytes_no_default_get_ex%1#0: uint64) = (app_global_get_ex 0u "global_bytes_no_default")
-                let tmp%11#0: any = (select "default" global_bytes_no_default_get_ex%0#0 global_bytes_no_default_get_ex%1#0)
+                let (global_bytes_no_default_get_ex%0#0: bytes, global_bytes_no_default_get_ex%1#0: uint64) = (app_global_get_ex 0u "global_bytes_no_default")
+                let tmp%11#0: bytes = (select "default" global_bytes_no_default_get_ex%0#0 global_bytes_no_default_get_ex%1#0)
                 let tmp%12#0: uint64 = (== tmp%11#0 "default")
                 (assert tmp%12#0)
-                let (global_bool_full_exists%0#0: any, global_bool_full_exists%1#0: uint64) = (app_global_get_ex 0u "global_bool_full")
+                let (global_bool_full_exists%0#0: uint64, global_bool_full_exists%1#0: uint64) = (app_global_get_ex 0u "global_bool_full")
                 (assert global_bool_full_exists%1#0)
-                let (global_bool_no_default_exists%0#0: any, global_bool_no_default_exists%1#0: uint64) = (app_global_get_ex 0u "global_bool_no_default")
+                let (global_bool_no_default_exists%0#0: uint64, global_bool_no_default_exists%1#0: uint64) = (app_global_get_ex 0u "global_bool_no_default")
                 let tmp%13#0: uint64 = (! global_bool_no_default_exists%1#0)
                 (assert tmp%13#0)
                 (app_global_put "global_bool_no_default" 1u)
diff --git a/examples/global_state/out_unoptimized/AppStateContract.destructured.ir b/examples/global_state/out_unoptimized/AppStateContract.destructured.ir
index 2d5ca4280b..a87c2d9ea7 100644
--- a/examples/global_state/out_unoptimized/AppStateContract.destructured.ir
+++ b/examples/global_state/out_unoptimized/AppStateContract.destructured.ir
@@ -12,18 +12,18 @@ contract examples.global_state.contract.AppStateContract:
                 (assert global_int_simplified_exists%0#0) // check global_int_simplified exists
                 let tmp%0#0: uint64 = (== global_int_simplified_value%0#0 33u)
                 (assert tmp%0#0)
-                let (global_int_full_exists%0#0: any, global_int_full_exists%1#0: uint64) = (app_global_get_ex 0u "global_int_full")
+                let (global_int_full_exists%0#0: uint64, global_int_full_exists%1#0: uint64) = (app_global_get_ex 0u "global_int_full")
                 (assert global_int_full_exists%1#0)
                 let (global_int_full_value%0#0: uint64, global_int_full_exists%2#0: uint64) = (app_global_get_ex 0u "global_int_full")
                 (assert global_int_full_exists%2#0) // check global_int_full exists
                 let tmp%1#0: uint64 = (== global_int_full_value%0#0 55u)
                 (assert tmp%1#0)
-                let (global_int_no_default_exists%0#0: any, global_int_no_default_exists%1#0: uint64) = (app_global_get_ex 0u "global_int_no_default")
+                let (global_int_no_default_exists%0#0: uint64, global_int_no_default_exists%1#0: uint64) = (app_global_get_ex 0u "global_int_no_default")
                 let tmp%2#0: uint64 = (! global_int_no_default_exists%1#0)
                 (assert tmp%2#0)
                 (app_global_put "global_int_no_default" 44u)
-                let (tuple_assignment%0#0: any, tuple_assignment%1#0: uint64) = (app_global_get_ex 0u "global_int_no_default")
-                let i_value#0: any = tuple_assignment%0#0
+                let (tuple_assignment%0#0: uint64, tuple_assignment%1#0: uint64) = (app_global_get_ex 0u "global_int_no_default")
+                let i_value#0: uint64 = tuple_assignment%0#0
                 let i_exists#0: uint64 = tuple_assignment%1#0
                 (assert i_exists#0)
                 let tmp%3#0: uint64 = (== i_value#0 44u)
@@ -32,38 +32,38 @@ contract examples.global_state.contract.AppStateContract:
                 (assert global_bytes_simplified_exists%0#0) // check global_bytes_simplified exists
                 let tmp%4#0: uint64 = (== global_bytes_simplified_value%0#0 "Hello")
                 (assert tmp%4#0)
-                let (global_bytes_full_exists%0#0: any, global_bytes_full_exists%1#0: uint64) = (app_global_get_ex 0u "global_bytes_full")
+                let (global_bytes_full_exists%0#0: bytes, global_bytes_full_exists%1#0: uint64) = (app_global_get_ex 0u "global_bytes_full")
                 (assert global_bytes_full_exists%1#0)
                 let (global_bytes_full_value%0#0: bytes, global_bytes_full_exists%2#0: uint64) = (app_global_get_ex 0u "global_bytes_full")
                 (assert global_bytes_full_exists%2#0) // check global_bytes_full exists
                 let tmp%5#0: uint64 = (== global_bytes_full_value%0#0 "Hello")
                 (assert tmp%5#0)
-                let (global_bytes_full_get_ex%0#0: any, global_bytes_full_get_ex%1#0: uint64) = (app_global_get_ex 0u "global_bytes_full")
-                let tmp%6#0: any = (select "default" global_bytes_full_get_ex%0#0 global_bytes_full_get_ex%1#0)
+                let (global_bytes_full_get_ex%0#0: bytes, global_bytes_full_get_ex%1#0: uint64) = (app_global_get_ex 0u "global_bytes_full")
+                let tmp%6#0: bytes = (select "default" global_bytes_full_get_ex%0#0 global_bytes_full_get_ex%1#0)
                 let tmp%7#0: uint64 = (== tmp%6#0 "Hello")
                 (assert tmp%7#0)
-                let (global_bytes_no_default_exists%0#0: any, global_bytes_no_default_exists%1#0: uint64) = (app_global_get_ex 0u "global_bytes_no_default")
+                let (global_bytes_no_default_exists%0#0: bytes, global_bytes_no_default_exists%1#0: uint64) = (app_global_get_ex 0u "global_bytes_no_default")
                 let tmp%8#0: uint64 = (! global_bytes_no_default_exists%1#0)
                 (assert tmp%8#0)
                 (app_global_put "global_bytes_no_default" "World")
-                let (tuple_assignment%2#0: any, tuple_assignment%3#0: uint64) = (app_global_get_ex 0u "global_bytes_no_default")
-                let b_value#0: any = tuple_assignment%2#0
+                let (tuple_assignment%2#0: bytes, tuple_assignment%3#0: uint64) = (app_global_get_ex 0u "global_bytes_no_default")
+                let b_value#0: bytes = tuple_assignment%2#0
                 let b_exists#0: uint64 = tuple_assignment%3#0
                 (assert b_exists#0)
                 let tmp%9#0: uint64 = (== b_value#0 "World")
                 (assert tmp%9#0)
                 (app_global_del "global_bytes_no_default")
-                let (tuple_assignment%4#0: any, tuple_assignment%5#0: uint64) = (app_global_get_ex 0u "global_bytes_no_default")
+                let (tuple_assignment%4#0: bytes, tuple_assignment%5#0: uint64) = (app_global_get_ex 0u "global_bytes_no_default")
                 let b_exists#0: uint64 = tuple_assignment%5#0
                 let tmp%10#0: uint64 = (! b_exists#0)
                 (assert tmp%10#0)
-                let (global_bytes_no_default_get_ex%0#0: any, global_bytes_no_default_get_ex%1#0: uint64) = (app_global_get_ex 0u "global_bytes_no_default")
-                let tmp%11#0: any = (select "default" global_bytes_no_default_get_ex%0#0 global_bytes_no_default_get_ex%1#0)
+                let (global_bytes_no_default_get_ex%0#0: bytes, global_bytes_no_default_get_ex%1#0: uint64) = (app_global_get_ex 0u "global_bytes_no_default")
+                let tmp%11#0: bytes = (select "default" global_bytes_no_default_get_ex%0#0 global_bytes_no_default_get_ex%1#0)
                 let tmp%12#0: uint64 = (== tmp%11#0 "default")
                 (assert tmp%12#0)
-                let (global_bool_full_exists%0#0: any, global_bool_full_exists%1#0: uint64) = (app_global_get_ex 0u "global_bool_full")
+                let (global_bool_full_exists%0#0: uint64, global_bool_full_exists%1#0: uint64) = (app_global_get_ex 0u "global_bool_full")
                 (assert global_bool_full_exists%1#0)
-                let (global_bool_no_default_exists%0#0: any, global_bool_no_default_exists%1#0: uint64) = (app_global_get_ex 0u "global_bool_no_default")
+                let (global_bool_no_default_exists%0#0: uint64, global_bool_no_default_exists%1#0: uint64) = (app_global_get_ex 0u "global_bool_no_default")
                 let tmp%13#0: uint64 = (! global_bool_no_default_exists%1#0)
                 (assert tmp%13#0)
                 (app_global_put "global_bool_no_default" 1u)
diff --git a/examples/local_state/out/LocalStateContract.destructured.ir b/examples/local_state/out/LocalStateContract.destructured.ir
index 88d733f33e..3d2d550f6e 100644
--- a/examples/local_state/out/LocalStateContract.destructured.ir
+++ b/examples/local_state/out/LocalStateContract.destructured.ir
@@ -88,7 +88,7 @@ contract examples.local_state.local_state_contract.LocalStateContract:
         
         subroutine examples.local_state.local_state_contract.LocalStateContract.get_data_or_assert(for_account: bytes) -> bytes:
             block@0: // L60
-                let (result#0: any, exists#0: uint64) = (app_local_get_ex for_account#0 0u "local")
+                let (result#0: bytes, exists#0: uint64) = (app_local_get_ex for_account#0 0u "local")
                 (assert exists#0) // no data for account
                 return result#0
         
@@ -104,8 +104,8 @@ contract examples.local_state.local_state_contract.LocalStateContract:
         
         subroutine examples.local_state.local_state_contract.LocalStateContract.get_data_with_default(for_account: bytes, default: bytes) -> bytes:
             block@0: // L56
-                let (local_get_ex%0#0: any, local_get_ex%1#0: uint64) = (app_local_get_ex for_account#0 0u "local")
-                let tmp%0#0: any = (select default#0 local_get_ex%0#0 local_get_ex%1#0)
+                let (local_get_ex%0#0: bytes, local_get_ex%1#0: uint64) = (app_local_get_ex for_account#0 0u "local")
+                let tmp%0#0: bytes = (select default#0 local_get_ex%0#0 local_get_ex%1#0)
                 return tmp%0#0
     
     program clear-state:
diff --git a/examples/local_state/out/LocalStateContract.ssa.ir b/examples/local_state/out/LocalStateContract.ssa.ir
index 82d46e7dad..7c22c84331 100644
--- a/examples/local_state/out/LocalStateContract.ssa.ir
+++ b/examples/local_state/out/LocalStateContract.ssa.ir
@@ -96,8 +96,8 @@ contract examples.local_state.local_state_contract.LocalStateContract:
         
         subroutine examples.local_state.local_state_contract.LocalStateContract.get_data_or_assert(for_account: bytes) -> bytes:
             block@0: // L60
-                let (tuple_assignment%0#0: any, tuple_assignment%1#0: uint64) = (app_local_get_ex for_account#0 0u "local")
-                let result#0: any = tuple_assignment%0#0
+                let (tuple_assignment%0#0: bytes, tuple_assignment%1#0: uint64) = (app_local_get_ex for_account#0 0u "local")
+                let result#0: bytes = tuple_assignment%0#0
                 let exists#0: uint64 = tuple_assignment%1#0
                 (assert exists#0) // no data for account
                 return result#0
@@ -114,8 +114,8 @@ contract examples.local_state.local_state_contract.LocalStateContract:
         
         subroutine examples.local_state.local_state_contract.LocalStateContract.get_data_with_default(for_account: bytes, default: bytes) -> bytes:
             block@0: // L56
-                let (local_get_ex%0#0: any, local_get_ex%1#0: uint64) = (app_local_get_ex for_account#0 0u "local")
-                let tmp%0#0: any = (select default#0 local_get_ex%0#0 local_get_ex%1#0)
+                let (local_get_ex%0#0: bytes, local_get_ex%1#0: uint64) = (app_local_get_ex for_account#0 0u "local")
+                let tmp%0#0: bytes = (select default#0 local_get_ex%0#0 local_get_ex%1#0)
                 return tmp%0#0
     
     program clear-state:
diff --git a/examples/local_state/out/LocalStateContract.ssa.opt_pass_1.ir b/examples/local_state/out/LocalStateContract.ssa.opt_pass_1.ir
index af4484334b..b22df3cf3b 100644
--- a/examples/local_state/out/LocalStateContract.ssa.opt_pass_1.ir
+++ b/examples/local_state/out/LocalStateContract.ssa.opt_pass_1.ir
@@ -90,7 +90,7 @@ contract examples.local_state.local_state_contract.LocalStateContract:
         
         subroutine examples.local_state.local_state_contract.LocalStateContract.get_data_or_assert(for_account: bytes) -> bytes:
             block@0: // L60
-                let (result#0: any, exists#0: uint64) = (app_local_get_ex for_account#0 0u "local")
+                let (result#0: bytes, exists#0: uint64) = (app_local_get_ex for_account#0 0u "local")
                 (assert exists#0) // no data for account
                 return result#0
         
@@ -106,8 +106,8 @@ contract examples.local_state.local_state_contract.LocalStateContract:
         
         subroutine examples.local_state.local_state_contract.LocalStateContract.get_data_with_default(for_account: bytes, default: bytes) -> bytes:
             block@0: // L56
-                let (local_get_ex%0#0: any, local_get_ex%1#0: uint64) = (app_local_get_ex for_account#0 0u "local")
-                let tmp%0#0: any = (select default#0 local_get_ex%0#0 local_get_ex%1#0)
+                let (local_get_ex%0#0: bytes, local_get_ex%1#0: uint64) = (app_local_get_ex for_account#0 0u "local")
+                let tmp%0#0: bytes = (select default#0 local_get_ex%0#0 local_get_ex%1#0)
                 return tmp%0#0
     
     program clear-state:
diff --git a/examples/local_state/out/LocalStateContract.ssa.opt_pass_2.ir b/examples/local_state/out/LocalStateContract.ssa.opt_pass_2.ir
index 88d733f33e..3d2d550f6e 100644
--- a/examples/local_state/out/LocalStateContract.ssa.opt_pass_2.ir
+++ b/examples/local_state/out/LocalStateContract.ssa.opt_pass_2.ir
@@ -88,7 +88,7 @@ contract examples.local_state.local_state_contract.LocalStateContract:
         
         subroutine examples.local_state.local_state_contract.LocalStateContract.get_data_or_assert(for_account: bytes) -> bytes:
             block@0: // L60
-                let (result#0: any, exists#0: uint64) = (app_local_get_ex for_account#0 0u "local")
+                let (result#0: bytes, exists#0: uint64) = (app_local_get_ex for_account#0 0u "local")
                 (assert exists#0) // no data for account
                 return result#0
         
@@ -104,8 +104,8 @@ contract examples.local_state.local_state_contract.LocalStateContract:
         
         subroutine examples.local_state.local_state_contract.LocalStateContract.get_data_with_default(for_account: bytes, default: bytes) -> bytes:
             block@0: // L56
-                let (local_get_ex%0#0: any, local_get_ex%1#0: uint64) = (app_local_get_ex for_account#0 0u "local")
-                let tmp%0#0: any = (select default#0 local_get_ex%0#0 local_get_ex%1#0)
+                let (local_get_ex%0#0: bytes, local_get_ex%1#0: uint64) = (app_local_get_ex for_account#0 0u "local")
+                let tmp%0#0: bytes = (select default#0 local_get_ex%0#0 local_get_ex%1#0)
                 return tmp%0#0
     
     program clear-state:
diff --git a/examples/local_state/out/LocalStateWithOffsets.destructured.ir b/examples/local_state/out/LocalStateWithOffsets.destructured.ir
index 38e54062b9..04d4f3471a 100644
--- a/examples/local_state/out/LocalStateWithOffsets.destructured.ir
+++ b/examples/local_state/out/LocalStateWithOffsets.destructured.ir
@@ -86,7 +86,7 @@ contract examples.local_state.local_state_with_offsets.LocalStateContract:
         
         subroutine examples.local_state.local_state_with_offsets.LocalStateContract.get_data_or_assert(for_account: uint64) -> bytes:
             block@0: // L61
-                let (result#0: any, exists#0: uint64) = (app_local_get_ex for_account#0 0u "local")
+                let (result#0: bytes, exists#0: uint64) = (app_local_get_ex for_account#0 0u "local")
                 (assert exists#0) // no data for account
                 return result#0
         
@@ -102,8 +102,8 @@ contract examples.local_state.local_state_with_offsets.LocalStateContract:
         
         subroutine examples.local_state.local_state_with_offsets.LocalStateContract.get_data_with_default(for_account: uint64, default: bytes) -> bytes:
             block@0: // L57
-                let (local_get_ex%0#0: any, local_get_ex%1#0: uint64) = (app_local_get_ex for_account#0 0u "local")
-                let tmp%0#0: any = (select default#0 local_get_ex%0#0 local_get_ex%1#0)
+                let (local_get_ex%0#0: bytes, local_get_ex%1#0: uint64) = (app_local_get_ex for_account#0 0u "local")
+                let tmp%0#0: bytes = (select default#0 local_get_ex%0#0 local_get_ex%1#0)
                 return tmp%0#0
     
     program clear-state:
diff --git a/examples/local_state/out/LocalStateWithOffsets.ssa.ir b/examples/local_state/out/LocalStateWithOffsets.ssa.ir
index 4f5638d48d..f12213770a 100644
--- a/examples/local_state/out/LocalStateWithOffsets.ssa.ir
+++ b/examples/local_state/out/LocalStateWithOffsets.ssa.ir
@@ -93,8 +93,8 @@ contract examples.local_state.local_state_with_offsets.LocalStateContract:
         
         subroutine examples.local_state.local_state_with_offsets.LocalStateContract.get_data_or_assert(for_account: uint64) -> bytes:
             block@0: // L61
-                let (tuple_assignment%0#0: any, tuple_assignment%1#0: uint64) = (app_local_get_ex for_account#0 0u "local")
-                let result#0: any = tuple_assignment%0#0
+                let (tuple_assignment%0#0: bytes, tuple_assignment%1#0: uint64) = (app_local_get_ex for_account#0 0u "local")
+                let result#0: bytes = tuple_assignment%0#0
                 let exists#0: uint64 = tuple_assignment%1#0
                 (assert exists#0) // no data for account
                 return result#0
@@ -111,8 +111,8 @@ contract examples.local_state.local_state_with_offsets.LocalStateContract:
         
         subroutine examples.local_state.local_state_with_offsets.LocalStateContract.get_data_with_default(for_account: uint64, default: bytes) -> bytes:
             block@0: // L57
-                let (local_get_ex%0#0: any, local_get_ex%1#0: uint64) = (app_local_get_ex for_account#0 0u "local")
-                let tmp%0#0: any = (select default#0 local_get_ex%0#0 local_get_ex%1#0)
+                let (local_get_ex%0#0: bytes, local_get_ex%1#0: uint64) = (app_local_get_ex for_account#0 0u "local")
+                let tmp%0#0: bytes = (select default#0 local_get_ex%0#0 local_get_ex%1#0)
                 return tmp%0#0
     
     program clear-state:
diff --git a/examples/local_state/out/LocalStateWithOffsets.ssa.opt_pass_1.ir b/examples/local_state/out/LocalStateWithOffsets.ssa.opt_pass_1.ir
index b47507e329..8305476e64 100644
--- a/examples/local_state/out/LocalStateWithOffsets.ssa.opt_pass_1.ir
+++ b/examples/local_state/out/LocalStateWithOffsets.ssa.opt_pass_1.ir
@@ -87,7 +87,7 @@ contract examples.local_state.local_state_with_offsets.LocalStateContract:
         
         subroutine examples.local_state.local_state_with_offsets.LocalStateContract.get_data_or_assert(for_account: uint64) -> bytes:
             block@0: // L61
-                let (result#0: any, exists#0: uint64) = (app_local_get_ex for_account#0 0u "local")
+                let (result#0: bytes, exists#0: uint64) = (app_local_get_ex for_account#0 0u "local")
                 (assert exists#0) // no data for account
                 return result#0
         
@@ -103,8 +103,8 @@ contract examples.local_state.local_state_with_offsets.LocalStateContract:
         
         subroutine examples.local_state.local_state_with_offsets.LocalStateContract.get_data_with_default(for_account: uint64, default: bytes) -> bytes:
             block@0: // L57
-                let (local_get_ex%0#0: any, local_get_ex%1#0: uint64) = (app_local_get_ex for_account#0 0u "local")
-                let tmp%0#0: any = (select default#0 local_get_ex%0#0 local_get_ex%1#0)
+                let (local_get_ex%0#0: bytes, local_get_ex%1#0: uint64) = (app_local_get_ex for_account#0 0u "local")
+                let tmp%0#0: bytes = (select default#0 local_get_ex%0#0 local_get_ex%1#0)
                 return tmp%0#0
     
     program clear-state:
diff --git a/examples/local_state/out/LocalStateWithOffsets.ssa.opt_pass_2.ir b/examples/local_state/out/LocalStateWithOffsets.ssa.opt_pass_2.ir
index 38e54062b9..04d4f3471a 100644
--- a/examples/local_state/out/LocalStateWithOffsets.ssa.opt_pass_2.ir
+++ b/examples/local_state/out/LocalStateWithOffsets.ssa.opt_pass_2.ir
@@ -86,7 +86,7 @@ contract examples.local_state.local_state_with_offsets.LocalStateContract:
         
         subroutine examples.local_state.local_state_with_offsets.LocalStateContract.get_data_or_assert(for_account: uint64) -> bytes:
             block@0: // L61
-                let (result#0: any, exists#0: uint64) = (app_local_get_ex for_account#0 0u "local")
+                let (result#0: bytes, exists#0: uint64) = (app_local_get_ex for_account#0 0u "local")
                 (assert exists#0) // no data for account
                 return result#0
         
@@ -102,8 +102,8 @@ contract examples.local_state.local_state_with_offsets.LocalStateContract:
         
         subroutine examples.local_state.local_state_with_offsets.LocalStateContract.get_data_with_default(for_account: uint64, default: bytes) -> bytes:
             block@0: // L57
-                let (local_get_ex%0#0: any, local_get_ex%1#0: uint64) = (app_local_get_ex for_account#0 0u "local")
-                let tmp%0#0: any = (select default#0 local_get_ex%0#0 local_get_ex%1#0)
+                let (local_get_ex%0#0: bytes, local_get_ex%1#0: uint64) = (app_local_get_ex for_account#0 0u "local")
+                let tmp%0#0: bytes = (select default#0 local_get_ex%0#0 local_get_ex%1#0)
                 return tmp%0#0
     
     program clear-state:
diff --git a/examples/local_state/out_O2/LocalStateContract.destructured.ir b/examples/local_state/out_O2/LocalStateContract.destructured.ir
index 18d12b6ccd..4dcfcef408 100644
--- a/examples/local_state/out_O2/LocalStateContract.destructured.ir
+++ b/examples/local_state/out_O2/LocalStateContract.destructured.ir
@@ -76,7 +76,7 @@ contract examples.local_state.local_state_contract.LocalStateContract:
         
         subroutine examples.local_state.local_state_contract.LocalStateContract.get_data_or_assert(for_account: bytes) -> bytes:
             block@0: // L60
-                let (result#0: any, exists#0: uint64) = (app_local_get_ex for_account#0 0u "local")
+                let (result#0: bytes, exists#0: uint64) = (app_local_get_ex for_account#0 0u "local")
                 (assert exists#0) // no data for account
                 return result#0
         
@@ -92,8 +92,8 @@ contract examples.local_state.local_state_contract.LocalStateContract:
         
         subroutine examples.local_state.local_state_contract.LocalStateContract.get_data_with_default(for_account: bytes, default: bytes) -> bytes:
             block@0: // L56
-                let (local_get_ex%0#0: any, local_get_ex%1#0: uint64) = (app_local_get_ex for_account#0 0u "local")
-                let tmp%0#0: any = (select default#0 local_get_ex%0#0 local_get_ex%1#0)
+                let (local_get_ex%0#0: bytes, local_get_ex%1#0: uint64) = (app_local_get_ex for_account#0 0u "local")
+                let tmp%0#0: bytes = (select default#0 local_get_ex%0#0 local_get_ex%1#0)
                 return tmp%0#0
     
     program clear-state:
diff --git a/examples/local_state/out_O2/LocalStateWithOffsets.destructured.ir b/examples/local_state/out_O2/LocalStateWithOffsets.destructured.ir
index e67656130c..512337c50f 100644
--- a/examples/local_state/out_O2/LocalStateWithOffsets.destructured.ir
+++ b/examples/local_state/out_O2/LocalStateWithOffsets.destructured.ir
@@ -74,7 +74,7 @@ contract examples.local_state.local_state_with_offsets.LocalStateContract:
         
         subroutine examples.local_state.local_state_with_offsets.LocalStateContract.get_data_or_assert(for_account: uint64) -> bytes:
             block@0: // L61
-                let (result#0: any, exists#0: uint64) = (app_local_get_ex for_account#0 0u "local")
+                let (result#0: bytes, exists#0: uint64) = (app_local_get_ex for_account#0 0u "local")
                 (assert exists#0) // no data for account
                 return result#0
         
@@ -90,8 +90,8 @@ contract examples.local_state.local_state_with_offsets.LocalStateContract:
         
         subroutine examples.local_state.local_state_with_offsets.LocalStateContract.get_data_with_default(for_account: uint64, default: bytes) -> bytes:
             block@0: // L57
-                let (local_get_ex%0#0: any, local_get_ex%1#0: uint64) = (app_local_get_ex for_account#0 0u "local")
-                let tmp%0#0: any = (select default#0 local_get_ex%0#0 local_get_ex%1#0)
+                let (local_get_ex%0#0: bytes, local_get_ex%1#0: uint64) = (app_local_get_ex for_account#0 0u "local")
+                let tmp%0#0: bytes = (select default#0 local_get_ex%0#0 local_get_ex%1#0)
                 return tmp%0#0
     
     program clear-state:
diff --git a/examples/local_state/out_unoptimized/LocalStateContract.destructured.ir b/examples/local_state/out_unoptimized/LocalStateContract.destructured.ir
index 82d46e7dad..7c22c84331 100644
--- a/examples/local_state/out_unoptimized/LocalStateContract.destructured.ir
+++ b/examples/local_state/out_unoptimized/LocalStateContract.destructured.ir
@@ -96,8 +96,8 @@ contract examples.local_state.local_state_contract.LocalStateContract:
         
         subroutine examples.local_state.local_state_contract.LocalStateContract.get_data_or_assert(for_account: bytes) -> bytes:
             block@0: // L60
-                let (tuple_assignment%0#0: any, tuple_assignment%1#0: uint64) = (app_local_get_ex for_account#0 0u "local")
-                let result#0: any = tuple_assignment%0#0
+                let (tuple_assignment%0#0: bytes, tuple_assignment%1#0: uint64) = (app_local_get_ex for_account#0 0u "local")
+                let result#0: bytes = tuple_assignment%0#0
                 let exists#0: uint64 = tuple_assignment%1#0
                 (assert exists#0) // no data for account
                 return result#0
@@ -114,8 +114,8 @@ contract examples.local_state.local_state_contract.LocalStateContract:
         
         subroutine examples.local_state.local_state_contract.LocalStateContract.get_data_with_default(for_account: bytes, default: bytes) -> bytes:
             block@0: // L56
-                let (local_get_ex%0#0: any, local_get_ex%1#0: uint64) = (app_local_get_ex for_account#0 0u "local")
-                let tmp%0#0: any = (select default#0 local_get_ex%0#0 local_get_ex%1#0)
+                let (local_get_ex%0#0: bytes, local_get_ex%1#0: uint64) = (app_local_get_ex for_account#0 0u "local")
+                let tmp%0#0: bytes = (select default#0 local_get_ex%0#0 local_get_ex%1#0)
                 return tmp%0#0
     
     program clear-state:
diff --git a/examples/local_state/out_unoptimized/LocalStateWithOffsets.destructured.ir b/examples/local_state/out_unoptimized/LocalStateWithOffsets.destructured.ir
index 4f5638d48d..f12213770a 100644
--- a/examples/local_state/out_unoptimized/LocalStateWithOffsets.destructured.ir
+++ b/examples/local_state/out_unoptimized/LocalStateWithOffsets.destructured.ir
@@ -93,8 +93,8 @@ contract examples.local_state.local_state_with_offsets.LocalStateContract:
         
         subroutine examples.local_state.local_state_with_offsets.LocalStateContract.get_data_or_assert(for_account: uint64) -> bytes:
             block@0: // L61
-                let (tuple_assignment%0#0: any, tuple_assignment%1#0: uint64) = (app_local_get_ex for_account#0 0u "local")
-                let result#0: any = tuple_assignment%0#0
+                let (tuple_assignment%0#0: bytes, tuple_assignment%1#0: uint64) = (app_local_get_ex for_account#0 0u "local")
+                let result#0: bytes = tuple_assignment%0#0
                 let exists#0: uint64 = tuple_assignment%1#0
                 (assert exists#0) // no data for account
                 return result#0
@@ -111,8 +111,8 @@ contract examples.local_state.local_state_with_offsets.LocalStateContract:
         
         subroutine examples.local_state.local_state_with_offsets.LocalStateContract.get_data_with_default(for_account: uint64, default: bytes) -> bytes:
             block@0: // L57
-                let (local_get_ex%0#0: any, local_get_ex%1#0: uint64) = (app_local_get_ex for_account#0 0u "local")
-                let tmp%0#0: any = (select default#0 local_get_ex%0#0 local_get_ex%1#0)
+                let (local_get_ex%0#0: bytes, local_get_ex%1#0: uint64) = (app_local_get_ex for_account#0 0u "local")
+                let tmp%0#0: bytes = (select default#0 local_get_ex%0#0 local_get_ex%1#0)
                 return tmp%0#0
     
     program clear-state:
diff --git a/examples/merkle/out/MerkleTree.approval.mir b/examples/merkle/out/MerkleTree.approval.mir
index c40c0115b1..f25b700a5b 100644
--- a/examples/merkle/out/MerkleTree.approval.mir
+++ b/examples/merkle/out/MerkleTree.approval.mir
@@ -55,7 +55,7 @@ main_verify_route@2:
     callsub verify                                             //                                                                                                                                                                                       {verify}                                                                                                                                                                                                                                 arc4.abimethod                                                                      merkle/contract.py:14
     //                                                         virtual: store tmp%11#0 to l-stack (no copy)                    tmp%11#0                                                                                                                                                                                                                                                                      arc4.abimethod                                                                      merkle/contract.py:14
     byte 0x00                                                  //                                                                                                                                                                                       tmp%11#0,0x00                                                                                                                                                                                                                            arc4.abimethod                                                                      merkle/contract.py:14
-    int 0                                                      //                                                                                                                                                                                       tmp%11#0,0x00,0
+    int 0                                                      //                                                                                                                                                                                       tmp%11#0,0x00,0                                                                                                                                                                                                                          arc4.abimethod                                                                      merkle/contract.py:14
     uncover 2                                                  //                                                              load tmp%11#0 from l-stack (no copy)                                                                                     0x00,0,tmp%11#0                                                                                                                                                                                                                          arc4.abimethod                                                                      merkle/contract.py:14
     setbit                                                     //                                                                                                                                                                                       {setbit}                                                                                                                                                                                                                                 arc4.abimethod                                                                      merkle/contract.py:14
     //                                                         virtual: store tmp%12#0 to l-stack (no copy)                    tmp%12#0                                                                                                                                                                                                                                                                      arc4.abimethod                                                                      merkle/contract.py:14
diff --git a/examples/merkle/out/MerkleTree.destructured.ir b/examples/merkle/out/MerkleTree.destructured.ir
index 5dea0ad114..849fff5c38 100644
--- a/examples/merkle/out/MerkleTree.destructured.ir
+++ b/examples/merkle/out/MerkleTree.destructured.ir
@@ -23,7 +23,7 @@ contract examples.merkle.contract.MerkleTree:
                 let tmp%9#0: bytes = (txna ApplicationArgs 1)
                 let tmp%10#0: bytes = (txna ApplicationArgs 2)
                 let tmp%11#0: uint64 = examples.merkle.contract.MerkleTree.verify(tmp%9#0, tmp%10#0)
-                let tmp%12#0: any = (setbit 0x00 0u tmp%11#0)
+                let tmp%12#0: bytes = (setbit 0x00 0u tmp%11#0)
                 let tmp%13#0: bytes = (concat 0x151f7c75 tmp%12#0)
                 (log tmp%13#0)
                 return 1u
diff --git a/examples/merkle/out/MerkleTree.ssa.ir b/examples/merkle/out/MerkleTree.ssa.ir
index 584e3bc99a..c38574c696 100644
--- a/examples/merkle/out/MerkleTree.ssa.ir
+++ b/examples/merkle/out/MerkleTree.ssa.ir
@@ -23,7 +23,7 @@ contract examples.merkle.contract.MerkleTree:
                 let tmp%9#0: bytes = (txna ApplicationArgs 1)
                 let tmp%10#0: bytes = (txna ApplicationArgs 2)
                 let tmp%11#0: uint64 = examples.merkle.contract.MerkleTree.verify(tmp%9#0, tmp%10#0)
-                let tmp%12#0: any = (setbit 0x00 0u tmp%11#0)
+                let tmp%12#0: bytes = (setbit 0x00 0u tmp%11#0)
                 let tmp%13#0: bytes = (concat 0x151f7c75 tmp%12#0)
                 (log tmp%13#0)
                 return 1u
diff --git a/examples/merkle/out/MerkleTree.ssa.opt_pass_1.ir b/examples/merkle/out/MerkleTree.ssa.opt_pass_1.ir
index 78ed5ec552..e70b901dc1 100644
--- a/examples/merkle/out/MerkleTree.ssa.opt_pass_1.ir
+++ b/examples/merkle/out/MerkleTree.ssa.opt_pass_1.ir
@@ -23,7 +23,7 @@ contract examples.merkle.contract.MerkleTree:
                 let tmp%9#0: bytes = (txna ApplicationArgs 1)
                 let tmp%10#0: bytes = (txna ApplicationArgs 2)
                 let tmp%11#0: uint64 = examples.merkle.contract.MerkleTree.verify(tmp%9#0, tmp%10#0)
-                let tmp%12#0: any = (setbit 0x00 0u tmp%11#0)
+                let tmp%12#0: bytes = (setbit 0x00 0u tmp%11#0)
                 let tmp%13#0: bytes = (concat 0x151f7c75 tmp%12#0)
                 (log tmp%13#0)
                 return 1u
diff --git a/examples/merkle/out_O2/MerkleTree.destructured.ir b/examples/merkle/out_O2/MerkleTree.destructured.ir
index 5dea0ad114..849fff5c38 100644
--- a/examples/merkle/out_O2/MerkleTree.destructured.ir
+++ b/examples/merkle/out_O2/MerkleTree.destructured.ir
@@ -23,7 +23,7 @@ contract examples.merkle.contract.MerkleTree:
                 let tmp%9#0: bytes = (txna ApplicationArgs 1)
                 let tmp%10#0: bytes = (txna ApplicationArgs 2)
                 let tmp%11#0: uint64 = examples.merkle.contract.MerkleTree.verify(tmp%9#0, tmp%10#0)
-                let tmp%12#0: any = (setbit 0x00 0u tmp%11#0)
+                let tmp%12#0: bytes = (setbit 0x00 0u tmp%11#0)
                 let tmp%13#0: bytes = (concat 0x151f7c75 tmp%12#0)
                 (log tmp%13#0)
                 return 1u
diff --git a/examples/merkle/out_unoptimized/MerkleTree.destructured.ir b/examples/merkle/out_unoptimized/MerkleTree.destructured.ir
index 9183782815..ccd1d0a4b2 100644
--- a/examples/merkle/out_unoptimized/MerkleTree.destructured.ir
+++ b/examples/merkle/out_unoptimized/MerkleTree.destructured.ir
@@ -23,7 +23,7 @@ contract examples.merkle.contract.MerkleTree:
                 let tmp%9#0: bytes = (txna ApplicationArgs 1)
                 let tmp%10#0: bytes = (txna ApplicationArgs 2)
                 let tmp%11#0: uint64 = examples.merkle.contract.MerkleTree.verify(tmp%9#0, tmp%10#0)
-                let tmp%12#0: any = (setbit 0x00 0u tmp%11#0)
+                let tmp%12#0: bytes = (setbit 0x00 0u tmp%11#0)
                 let tmp%13#0: bytes = (concat 0x151f7c75 tmp%12#0)
                 (log tmp%13#0)
                 return 1u
diff --git a/examples/tictactoe/out/TicTacToeContract.destructured.ir b/examples/tictactoe/out/TicTacToeContract.destructured.ir
index 8ab7ec57cd..79265968e6 100644
--- a/examples/tictactoe/out/TicTacToeContract.destructured.ir
+++ b/examples/tictactoe/out/TicTacToeContract.destructured.ir
@@ -57,10 +57,10 @@ contract examples.tictactoe.tictactoe.TicTacToeContract:
                 let tmp%0#0: uint64 = (txn ApplicationID)
                 goto tmp%0#0 ? block@1 : block@4
             block@1: // if_body_L22
-                let (challenger_exists%0#0: any, challenger_exists%1#0: uint64) = (app_global_get_ex 0u "challenger")
+                let (challenger_exists%0#0: bytes, challenger_exists%1#0: uint64) = (app_global_get_ex 0u "challenger")
                 goto challenger_exists%1#0 ? block@2 : block@3
             block@2: // if_body_L23
-                let (winner_exists%0#0: any, winner_exists%1#0: uint64) = (app_global_get_ex 0u "winner")
+                let (winner_exists%0#0: bytes, winner_exists%1#0: uint64) = (app_global_get_ex 0u "winner")
                 (assert winner_exists%1#0) // Game isn't over
                 goto block@3
             block@3: // after_if_else_L23
@@ -102,7 +102,7 @@ contract examples.tictactoe.tictactoe.TicTacToeContract:
         
         subroutine examples.tictactoe.tictactoe.TicTacToeContract.join_game(move.0: uint64, move.1: uint64) -> void:
             block@0: // L37
-                let (challenger_exists%0#0: any, challenger_exists%1#0: uint64) = (app_global_get_ex 0u "challenger")
+                let (challenger_exists%0#0: bytes, challenger_exists%1#0: uint64) = (app_global_get_ex 0u "challenger")
                 let tmp%0#0: uint64 = (! challenger_exists%1#0)
                 (assert tmp%0#0) // Host already has a challenger
                 let new_state_value%0#0: bytes = (txn Sender)
@@ -243,7 +243,7 @@ contract examples.tictactoe.tictactoe.TicTacToeContract:
         
         subroutine examples.tictactoe.tictactoe.TicTacToeContract.play(move.0: uint64, move.1: uint64) -> void:
             block@0: // L47
-                let (winner_exists%0#0: any, winner_exists%1#0: uint64) = (app_global_get_ex 0u "winner")
+                let (winner_exists%0#0: bytes, winner_exists%1#0: uint64) = (app_global_get_ex 0u "winner")
                 let tmp%0#0: uint64 = (! winner_exists%1#0)
                 (assert tmp%0#0) // Game is already finished
                 let (turns_value%0#0: uint64, turns_exists%0#0: uint64) = (app_global_get_ex 0u "turns")
@@ -261,8 +261,8 @@ contract examples.tictactoe.tictactoe.TicTacToeContract:
             block@2: // else_body_L50
                 let tmp%4#0: bytes = (txn Sender)
                 let tmp%5#0: bytes = (global ZeroAddress)
-                let (challenger_get_ex%0#0: any, challenger_get_ex%1#0: uint64) = (app_global_get_ex 0u "challenger")
-                let tmp%6#0: any = (select tmp%5#0 challenger_get_ex%0#0 challenger_get_ex%1#0)
+                let (challenger_get_ex%0#0: bytes, challenger_get_ex%1#0: uint64) = (app_global_get_ex 0u "challenger")
+                let tmp%6#0: bytes = (select tmp%5#0 challenger_get_ex%0#0 challenger_get_ex%1#0)
                 let tmp%7#0: uint64 = (== tmp%4#0 tmp%6#0)
                 (assert tmp%7#0) // It is the challenger's turn
                 let player#0: bytes = 0x02
diff --git a/examples/tictactoe/out/TicTacToeContract.ssa.ir b/examples/tictactoe/out/TicTacToeContract.ssa.ir
index c9f47bbe85..d3373ca900 100644
--- a/examples/tictactoe/out/TicTacToeContract.ssa.ir
+++ b/examples/tictactoe/out/TicTacToeContract.ssa.ir
@@ -64,10 +64,10 @@ contract examples.tictactoe.tictactoe.TicTacToeContract:
                 let tmp%0#0: uint64 = (txn ApplicationID)
                 goto tmp%0#0 ? block@1 : block@4
             block@1: // if_body_L22
-                let (challenger_exists%0#0: any, challenger_exists%1#0: uint64) = (app_global_get_ex 0u "challenger")
+                let (challenger_exists%0#0: bytes, challenger_exists%1#0: uint64) = (app_global_get_ex 0u "challenger")
                 goto challenger_exists%1#0 ? block@2 : block@3
             block@2: // if_body_L23
-                let (winner_exists%0#0: any, winner_exists%1#0: uint64) = (app_global_get_ex 0u "winner")
+                let (winner_exists%0#0: bytes, winner_exists%1#0: uint64) = (app_global_get_ex 0u "winner")
                 (assert winner_exists%1#0) // Game isn't over
                 goto block@3
             block@3: // after_if_else_L23
@@ -122,7 +122,7 @@ contract examples.tictactoe.tictactoe.TicTacToeContract:
         
         subroutine examples.tictactoe.tictactoe.TicTacToeContract.join_game(move.0: uint64, move.1: uint64) -> void:
             block@0: // L37
-                let (challenger_exists%0#0: any, challenger_exists%1#0: uint64) = (app_global_get_ex 0u "challenger")
+                let (challenger_exists%0#0: bytes, challenger_exists%1#0: uint64) = (app_global_get_ex 0u "challenger")
                 let tmp%0#0: uint64 = (! challenger_exists%1#0)
                 (assert tmp%0#0) // Host already has a challenger
                 let new_state_value%0#0: bytes = (txn Sender)
@@ -331,7 +331,7 @@ contract examples.tictactoe.tictactoe.TicTacToeContract:
         
         subroutine examples.tictactoe.tictactoe.TicTacToeContract.play(move.0: uint64, move.1: uint64) -> void:
             block@0: // L47
-                let (winner_exists%0#0: any, winner_exists%1#0: uint64) = (app_global_get_ex 0u "winner")
+                let (winner_exists%0#0: bytes, winner_exists%1#0: uint64) = (app_global_get_ex 0u "winner")
                 let tmp%0#0: uint64 = (! winner_exists%1#0)
                 (assert tmp%0#0) // Game is already finished
                 let (turns_value%0#0: uint64, turns_exists%0#0: uint64) = (app_global_get_ex 0u "turns")
@@ -349,8 +349,8 @@ contract examples.tictactoe.tictactoe.TicTacToeContract:
             block@2: // else_body_L50
                 let tmp%4#0: bytes = (txn Sender)
                 let tmp%5#0: bytes = (global ZeroAddress)
-                let (challenger_get_ex%0#0: any, challenger_get_ex%1#0: uint64) = (app_global_get_ex 0u "challenger")
-                let tmp%6#0: any = (select tmp%5#0 challenger_get_ex%0#0 challenger_get_ex%1#0)
+                let (challenger_get_ex%0#0: bytes, challenger_get_ex%1#0: uint64) = (app_global_get_ex 0u "challenger")
+                let tmp%6#0: bytes = (select tmp%5#0 challenger_get_ex%0#0 challenger_get_ex%1#0)
                 let tmp%7#0: uint64 = (== tmp%4#0 tmp%6#0)
                 (assert tmp%7#0) // It is the challenger's turn
                 let player#1: bytes = 0x02
diff --git a/examples/tictactoe/out/TicTacToeContract.ssa.opt_pass_1.ir b/examples/tictactoe/out/TicTacToeContract.ssa.opt_pass_1.ir
index c622e0a9c5..3f689b779f 100644
--- a/examples/tictactoe/out/TicTacToeContract.ssa.opt_pass_1.ir
+++ b/examples/tictactoe/out/TicTacToeContract.ssa.opt_pass_1.ir
@@ -57,10 +57,10 @@ contract examples.tictactoe.tictactoe.TicTacToeContract:
                 let tmp%0#0: uint64 = (txn ApplicationID)
                 goto tmp%0#0 ? block@1 : block@4
             block@1: // if_body_L22
-                let (challenger_exists%0#0: any, challenger_exists%1#0: uint64) = (app_global_get_ex 0u "challenger")
+                let (challenger_exists%0#0: bytes, challenger_exists%1#0: uint64) = (app_global_get_ex 0u "challenger")
                 goto challenger_exists%1#0 ? block@2 : block@3
             block@2: // if_body_L23
-                let (winner_exists%0#0: any, winner_exists%1#0: uint64) = (app_global_get_ex 0u "winner")
+                let (winner_exists%0#0: bytes, winner_exists%1#0: uint64) = (app_global_get_ex 0u "winner")
                 (assert winner_exists%1#0) // Game isn't over
                 goto block@3
             block@3: // after_if_else_L23
@@ -103,7 +103,7 @@ contract examples.tictactoe.tictactoe.TicTacToeContract:
         
         subroutine examples.tictactoe.tictactoe.TicTacToeContract.join_game(move.0: uint64, move.1: uint64) -> void:
             block@0: // L37
-                let (challenger_exists%0#0: any, challenger_exists%1#0: uint64) = (app_global_get_ex 0u "challenger")
+                let (challenger_exists%0#0: bytes, challenger_exists%1#0: uint64) = (app_global_get_ex 0u "challenger")
                 let tmp%0#0: uint64 = (! challenger_exists%1#0)
                 (assert tmp%0#0) // Host already has a challenger
                 let new_state_value%0#0: bytes = (txn Sender)
@@ -265,7 +265,7 @@ contract examples.tictactoe.tictactoe.TicTacToeContract:
         
         subroutine examples.tictactoe.tictactoe.TicTacToeContract.play(move.0: uint64, move.1: uint64) -> void:
             block@0: // L47
-                let (winner_exists%0#0: any, winner_exists%1#0: uint64) = (app_global_get_ex 0u "winner")
+                let (winner_exists%0#0: bytes, winner_exists%1#0: uint64) = (app_global_get_ex 0u "winner")
                 let tmp%0#0: uint64 = (! winner_exists%1#0)
                 (assert tmp%0#0) // Game is already finished
                 let (turns_value%0#0: uint64, turns_exists%0#0: uint64) = (app_global_get_ex 0u "turns")
@@ -283,8 +283,8 @@ contract examples.tictactoe.tictactoe.TicTacToeContract:
             block@2: // else_body_L50
                 let tmp%4#0: bytes = (txn Sender)
                 let tmp%5#0: bytes = (global ZeroAddress)
-                let (challenger_get_ex%0#0: any, challenger_get_ex%1#0: uint64) = (app_global_get_ex 0u "challenger")
-                let tmp%6#0: any = (select tmp%5#0 challenger_get_ex%0#0 challenger_get_ex%1#0)
+                let (challenger_get_ex%0#0: bytes, challenger_get_ex%1#0: uint64) = (app_global_get_ex 0u "challenger")
+                let tmp%6#0: bytes = (select tmp%5#0 challenger_get_ex%0#0 challenger_get_ex%1#0)
                 let tmp%7#0: uint64 = (== tmp%4#0 tmp%6#0)
                 (assert tmp%7#0) // It is the challenger's turn
                 let player#1: bytes = 0x02
diff --git a/examples/tictactoe/out/TicTacToeContract.ssa.opt_pass_2.ir b/examples/tictactoe/out/TicTacToeContract.ssa.opt_pass_2.ir
index 72b4cacd17..0241649179 100644
--- a/examples/tictactoe/out/TicTacToeContract.ssa.opt_pass_2.ir
+++ b/examples/tictactoe/out/TicTacToeContract.ssa.opt_pass_2.ir
@@ -57,10 +57,10 @@ contract examples.tictactoe.tictactoe.TicTacToeContract:
                 let tmp%0#0: uint64 = (txn ApplicationID)
                 goto tmp%0#0 ? block@1 : block@4
             block@1: // if_body_L22
-                let (challenger_exists%0#0: any, challenger_exists%1#0: uint64) = (app_global_get_ex 0u "challenger")
+                let (challenger_exists%0#0: bytes, challenger_exists%1#0: uint64) = (app_global_get_ex 0u "challenger")
                 goto challenger_exists%1#0 ? block@2 : block@3
             block@2: // if_body_L23
-                let (winner_exists%0#0: any, winner_exists%1#0: uint64) = (app_global_get_ex 0u "winner")
+                let (winner_exists%0#0: bytes, winner_exists%1#0: uint64) = (app_global_get_ex 0u "winner")
                 (assert winner_exists%1#0) // Game isn't over
                 goto block@3
             block@3: // after_if_else_L23
@@ -103,7 +103,7 @@ contract examples.tictactoe.tictactoe.TicTacToeContract:
         
         subroutine examples.tictactoe.tictactoe.TicTacToeContract.join_game(move.0: uint64, move.1: uint64) -> void:
             block@0: // L37
-                let (challenger_exists%0#0: any, challenger_exists%1#0: uint64) = (app_global_get_ex 0u "challenger")
+                let (challenger_exists%0#0: bytes, challenger_exists%1#0: uint64) = (app_global_get_ex 0u "challenger")
                 let tmp%0#0: uint64 = (! challenger_exists%1#0)
                 (assert tmp%0#0) // Host already has a challenger
                 let new_state_value%0#0: bytes = (txn Sender)
@@ -246,7 +246,7 @@ contract examples.tictactoe.tictactoe.TicTacToeContract:
         
         subroutine examples.tictactoe.tictactoe.TicTacToeContract.play(move.0: uint64, move.1: uint64) -> void:
             block@0: // L47
-                let (winner_exists%0#0: any, winner_exists%1#0: uint64) = (app_global_get_ex 0u "winner")
+                let (winner_exists%0#0: bytes, winner_exists%1#0: uint64) = (app_global_get_ex 0u "winner")
                 let tmp%0#0: uint64 = (! winner_exists%1#0)
                 (assert tmp%0#0) // Game is already finished
                 let (turns_value%0#0: uint64, turns_exists%0#0: uint64) = (app_global_get_ex 0u "turns")
@@ -264,8 +264,8 @@ contract examples.tictactoe.tictactoe.TicTacToeContract:
             block@2: // else_body_L50
                 let tmp%4#0: bytes = (txn Sender)
                 let tmp%5#0: bytes = (global ZeroAddress)
-                let (challenger_get_ex%0#0: any, challenger_get_ex%1#0: uint64) = (app_global_get_ex 0u "challenger")
-                let tmp%6#0: any = (select tmp%5#0 challenger_get_ex%0#0 challenger_get_ex%1#0)
+                let (challenger_get_ex%0#0: bytes, challenger_get_ex%1#0: uint64) = (app_global_get_ex 0u "challenger")
+                let tmp%6#0: bytes = (select tmp%5#0 challenger_get_ex%0#0 challenger_get_ex%1#0)
                 let tmp%7#0: uint64 = (== tmp%4#0 tmp%6#0)
                 (assert tmp%7#0) // It is the challenger's turn
                 let player#1: bytes = 0x02
diff --git a/examples/tictactoe/out_O2/TicTacToeContract.destructured.ir b/examples/tictactoe/out_O2/TicTacToeContract.destructured.ir
index d6a875daab..f87517d8e4 100644
--- a/examples/tictactoe/out_O2/TicTacToeContract.destructured.ir
+++ b/examples/tictactoe/out_O2/TicTacToeContract.destructured.ir
@@ -57,10 +57,10 @@ contract examples.tictactoe.tictactoe.TicTacToeContract:
                 let tmp%0#0: uint64 = (txn ApplicationID)
                 goto tmp%0#0 ? block@1 : block@4
             block@1: // if_body_L22
-                let (challenger_exists%0#0: any, challenger_exists%1#0: uint64) = (app_global_get_ex 0u "challenger")
+                let (challenger_exists%0#0: bytes, challenger_exists%1#0: uint64) = (app_global_get_ex 0u "challenger")
                 goto challenger_exists%1#0 ? block@2 : block@3
             block@2: // if_body_L23
-                let (winner_exists%0#0: any, winner_exists%1#0: uint64) = (app_global_get_ex 0u "winner")
+                let (winner_exists%0#0: bytes, winner_exists%1#0: uint64) = (app_global_get_ex 0u "winner")
                 (assert winner_exists%1#0) // Game isn't over
                 goto block@3
             block@3: // after_if_else_L23
@@ -102,7 +102,7 @@ contract examples.tictactoe.tictactoe.TicTacToeContract:
         
         subroutine examples.tictactoe.tictactoe.TicTacToeContract.join_game(move.0: uint64, move.1: uint64) -> void:
             block@0: // L37
-                let (challenger_exists%0#0: any, challenger_exists%1#0: uint64) = (app_global_get_ex 0u "challenger")
+                let (challenger_exists%0#0: bytes, challenger_exists%1#0: uint64) = (app_global_get_ex 0u "challenger")
                 let tmp%0#0: uint64 = (! challenger_exists%1#0)
                 (assert tmp%0#0) // Host already has a challenger
                 let new_state_value%0#0: bytes = (txn Sender)
@@ -237,7 +237,7 @@ contract examples.tictactoe.tictactoe.TicTacToeContract:
         
         subroutine examples.tictactoe.tictactoe.TicTacToeContract.play(move.0: uint64, move.1: uint64) -> void:
             block@0: // L47
-                let (winner_exists%0#0: any, winner_exists%1#0: uint64) = (app_global_get_ex 0u "winner")
+                let (winner_exists%0#0: bytes, winner_exists%1#0: uint64) = (app_global_get_ex 0u "winner")
                 let tmp%0#0: uint64 = (! winner_exists%1#0)
                 (assert tmp%0#0) // Game is already finished
                 let (turns_value%0#0: uint64, turns_exists%0#0: uint64) = (app_global_get_ex 0u "turns")
@@ -255,8 +255,8 @@ contract examples.tictactoe.tictactoe.TicTacToeContract:
             block@2: // else_body_L50
                 let tmp%4#0: bytes = (txn Sender)
                 let tmp%5#0: bytes = (global ZeroAddress)
-                let (challenger_get_ex%0#0: any, challenger_get_ex%1#0: uint64) = (app_global_get_ex 0u "challenger")
-                let tmp%6#0: any = (select tmp%5#0 challenger_get_ex%0#0 challenger_get_ex%1#0)
+                let (challenger_get_ex%0#0: bytes, challenger_get_ex%1#0: uint64) = (app_global_get_ex 0u "challenger")
+                let tmp%6#0: bytes = (select tmp%5#0 challenger_get_ex%0#0 challenger_get_ex%1#0)
                 let tmp%7#0: uint64 = (== tmp%4#0 tmp%6#0)
                 (assert tmp%7#0) // It is the challenger's turn
                 let player#0: bytes = 0x02
diff --git a/examples/tictactoe/out_unoptimized/TicTacToeContract.destructured.ir b/examples/tictactoe/out_unoptimized/TicTacToeContract.destructured.ir
index 9c86dc25d7..7d3fd79dec 100644
--- a/examples/tictactoe/out_unoptimized/TicTacToeContract.destructured.ir
+++ b/examples/tictactoe/out_unoptimized/TicTacToeContract.destructured.ir
@@ -67,10 +67,10 @@ contract examples.tictactoe.tictactoe.TicTacToeContract:
                 let tmp%0#0: uint64 = (txn ApplicationID)
                 goto tmp%0#0 ? block@1 : block@4
             block@1: // if_body_L22
-                let (challenger_exists%0#0: any, challenger_exists%1#0: uint64) = (app_global_get_ex 0u "challenger")
+                let (challenger_exists%0#0: bytes, challenger_exists%1#0: uint64) = (app_global_get_ex 0u "challenger")
                 goto challenger_exists%1#0 ? block@2 : block@3
             block@2: // if_body_L23
-                let (winner_exists%0#0: any, winner_exists%1#0: uint64) = (app_global_get_ex 0u "winner")
+                let (winner_exists%0#0: bytes, winner_exists%1#0: uint64) = (app_global_get_ex 0u "winner")
                 (assert winner_exists%1#0) // Game isn't over
                 goto block@3
             block@3: // after_if_else_L23
@@ -124,7 +124,7 @@ contract examples.tictactoe.tictactoe.TicTacToeContract:
         
         subroutine examples.tictactoe.tictactoe.TicTacToeContract.join_game(move.0: uint64, move.1: uint64) -> void:
             block@0: // L37
-                let (challenger_exists%0#0: any, challenger_exists%1#0: uint64) = (app_global_get_ex 0u "challenger")
+                let (challenger_exists%0#0: bytes, challenger_exists%1#0: uint64) = (app_global_get_ex 0u "challenger")
                 let tmp%0#0: uint64 = (! challenger_exists%1#0)
                 (assert tmp%0#0) // Host already has a challenger
                 let new_state_value%0#0: bytes = (txn Sender)
@@ -331,7 +331,7 @@ contract examples.tictactoe.tictactoe.TicTacToeContract:
         
         subroutine examples.tictactoe.tictactoe.TicTacToeContract.play(move.0: uint64, move.1: uint64) -> void:
             block@0: // L47
-                let (winner_exists%0#0: any, winner_exists%1#0: uint64) = (app_global_get_ex 0u "winner")
+                let (winner_exists%0#0: bytes, winner_exists%1#0: uint64) = (app_global_get_ex 0u "winner")
                 let tmp%0#0: uint64 = (! winner_exists%1#0)
                 (assert tmp%0#0) // Game is already finished
                 let (turns_value%0#0: uint64, turns_exists%0#0: uint64) = (app_global_get_ex 0u "turns")
@@ -349,8 +349,8 @@ contract examples.tictactoe.tictactoe.TicTacToeContract:
             block@2: // else_body_L50
                 let tmp%4#0: bytes = (txn Sender)
                 let tmp%5#0: bytes = (global ZeroAddress)
-                let (challenger_get_ex%0#0: any, challenger_get_ex%1#0: uint64) = (app_global_get_ex 0u "challenger")
-                let tmp%6#0: any = (select tmp%5#0 challenger_get_ex%0#0 challenger_get_ex%1#0)
+                let (challenger_get_ex%0#0: bytes, challenger_get_ex%1#0: uint64) = (app_global_get_ex 0u "challenger")
+                let tmp%6#0: bytes = (select tmp%5#0 challenger_get_ex%0#0 challenger_get_ex%1#0)
                 let tmp%7#0: uint64 = (== tmp%4#0 tmp%6#0)
                 (assert tmp%7#0) // It is the challenger's turn
                 let player#0: bytes = 0x02
diff --git a/examples/voting/out/VotingRoundApp.destructured.ir b/examples/voting/out/VotingRoundApp.destructured.ir
index a397a9d7af..4a98280aff 100644
--- a/examples/voting/out/VotingRoundApp.destructured.ir
+++ b/examples/voting/out/VotingRoundApp.destructured.ir
@@ -155,7 +155,7 @@ contract examples.voting.voting.VotingRoundApp:
         subroutine examples.voting.voting.VotingRoundApp.close() -> void:
             block@0: // L108
                 algopy.ensure_budget(20000u, 0u)
-                let (close_time_exists%0#0: any, close_time_exists%1#0: uint64) = (app_global_get_ex 0u "close_time")
+                let (close_time_exists%0#0: uint64, close_time_exists%1#0: uint64) = (app_global_get_ex 0u "close_time")
                 let tmp%0#0: uint64 = (! close_time_exists%1#0)
                 (assert tmp%0#0) // Already closed
                 let new_state_value%0#0: uint64 = (global LatestTimestamp)
@@ -338,7 +338,7 @@ contract examples.voting.voting.VotingRoundApp:
                 (assert is_bootstrapped_exists%0#0) // check is_bootstrapped exists
                 goto is_bootstrapped_value%0#0 ? block@1 : block@5
             block@1: // and_contd_L205
-                let (close_time_exists%0#0: any, close_time_exists%1#0: uint64) = (app_global_get_ex 0u "close_time")
+                let (close_time_exists%0#0: uint64, close_time_exists%1#0: uint64) = (app_global_get_ex 0u "close_time")
                 goto close_time_exists%1#0 ? block@5 : block@2
             block@2: // and_contd_L205
                 let (start_time_value%0#0: uint64, start_time_exists%0#0: uint64) = (app_global_get_ex 0u "start_time")
diff --git a/examples/voting/out/VotingRoundApp.ssa.ir b/examples/voting/out/VotingRoundApp.ssa.ir
index 2b2c0b480e..7590ee1884 100644
--- a/examples/voting/out/VotingRoundApp.ssa.ir
+++ b/examples/voting/out/VotingRoundApp.ssa.ir
@@ -172,7 +172,7 @@ contract examples.voting.voting.VotingRoundApp:
         subroutine examples.voting.voting.VotingRoundApp.close() -> void:
             block@0: // L108
                 algopy.ensure_budget(20000u, 0u)
-                let (close_time_exists%0#0: any, close_time_exists%1#0: uint64) = (app_global_get_ex 0u "close_time")
+                let (close_time_exists%0#0: uint64, close_time_exists%1#0: uint64) = (app_global_get_ex 0u "close_time")
                 let tmp%0#0: uint64 = (! close_time_exists%1#0)
                 (assert tmp%0#0) // Already closed
                 let new_state_value%0#0: uint64 = (global LatestTimestamp)
@@ -492,7 +492,7 @@ contract examples.voting.voting.VotingRoundApp:
                 (assert is_bootstrapped_exists%0#0) // check is_bootstrapped exists
                 goto is_bootstrapped_value%0#0 ? block@1 : block@5
             block@1: // and_contd_L205
-                let (close_time_exists%0#0: any, close_time_exists%1#0: uint64) = (app_global_get_ex 0u "close_time")
+                let (close_time_exists%0#0: uint64, close_time_exists%1#0: uint64) = (app_global_get_ex 0u "close_time")
                 goto close_time_exists%1#0 ? block@5 : block@2
             block@2: // and_contd_L205
                 let (start_time_value%0#0: uint64, start_time_exists%0#0: uint64) = (app_global_get_ex 0u "start_time")
diff --git a/examples/voting/out/VotingRoundApp.ssa.opt_pass_1.ir b/examples/voting/out/VotingRoundApp.ssa.opt_pass_1.ir
index 106f73cfe3..57242196a9 100644
--- a/examples/voting/out/VotingRoundApp.ssa.opt_pass_1.ir
+++ b/examples/voting/out/VotingRoundApp.ssa.opt_pass_1.ir
@@ -157,7 +157,7 @@ contract examples.voting.voting.VotingRoundApp:
         subroutine examples.voting.voting.VotingRoundApp.close() -> void:
             block@0: // L108
                 algopy.ensure_budget(20000u, 0u)
-                let (close_time_exists%0#0: any, close_time_exists%1#0: uint64) = (app_global_get_ex 0u "close_time")
+                let (close_time_exists%0#0: uint64, close_time_exists%1#0: uint64) = (app_global_get_ex 0u "close_time")
                 let tmp%0#0: uint64 = (! close_time_exists%1#0)
                 (assert tmp%0#0) // Already closed
                 let new_state_value%0#0: uint64 = (global LatestTimestamp)
@@ -337,7 +337,7 @@ contract examples.voting.voting.VotingRoundApp:
                 (assert is_bootstrapped_exists%0#0) // check is_bootstrapped exists
                 goto is_bootstrapped_value%0#0 ? block@1 : block@5
             block@1: // and_contd_L205
-                let (close_time_exists%0#0: any, close_time_exists%1#0: uint64) = (app_global_get_ex 0u "close_time")
+                let (close_time_exists%0#0: uint64, close_time_exists%1#0: uint64) = (app_global_get_ex 0u "close_time")
                 goto close_time_exists%1#0 ? block@5 : block@2
             block@2: // and_contd_L205
                 let (start_time_value%0#0: uint64, start_time_exists%0#0: uint64) = (app_global_get_ex 0u "start_time")
diff --git a/examples/voting/out/VotingRoundApp.ssa.opt_pass_2.ir b/examples/voting/out/VotingRoundApp.ssa.opt_pass_2.ir
index e465bd20eb..457bcec115 100644
--- a/examples/voting/out/VotingRoundApp.ssa.opt_pass_2.ir
+++ b/examples/voting/out/VotingRoundApp.ssa.opt_pass_2.ir
@@ -157,7 +157,7 @@ contract examples.voting.voting.VotingRoundApp:
         subroutine examples.voting.voting.VotingRoundApp.close() -> void:
             block@0: // L108
                 algopy.ensure_budget(20000u, 0u)
-                let (close_time_exists%0#0: any, close_time_exists%1#0: uint64) = (app_global_get_ex 0u "close_time")
+                let (close_time_exists%0#0: uint64, close_time_exists%1#0: uint64) = (app_global_get_ex 0u "close_time")
                 let tmp%0#0: uint64 = (! close_time_exists%1#0)
                 (assert tmp%0#0) // Already closed
                 let new_state_value%0#0: uint64 = (global LatestTimestamp)
@@ -334,7 +334,7 @@ contract examples.voting.voting.VotingRoundApp:
                 (assert is_bootstrapped_exists%0#0) // check is_bootstrapped exists
                 goto is_bootstrapped_value%0#0 ? block@1 : block@5
             block@1: // and_contd_L205
-                let (close_time_exists%0#0: any, close_time_exists%1#0: uint64) = (app_global_get_ex 0u "close_time")
+                let (close_time_exists%0#0: uint64, close_time_exists%1#0: uint64) = (app_global_get_ex 0u "close_time")
                 goto close_time_exists%1#0 ? block@5 : block@2
             block@2: // and_contd_L205
                 let (start_time_value%0#0: uint64, start_time_exists%0#0: uint64) = (app_global_get_ex 0u "start_time")
diff --git a/examples/voting/out_O2/VotingRoundApp.destructured.ir b/examples/voting/out_O2/VotingRoundApp.destructured.ir
index a397a9d7af..4a98280aff 100644
--- a/examples/voting/out_O2/VotingRoundApp.destructured.ir
+++ b/examples/voting/out_O2/VotingRoundApp.destructured.ir
@@ -155,7 +155,7 @@ contract examples.voting.voting.VotingRoundApp:
         subroutine examples.voting.voting.VotingRoundApp.close() -> void:
             block@0: // L108
                 algopy.ensure_budget(20000u, 0u)
-                let (close_time_exists%0#0: any, close_time_exists%1#0: uint64) = (app_global_get_ex 0u "close_time")
+                let (close_time_exists%0#0: uint64, close_time_exists%1#0: uint64) = (app_global_get_ex 0u "close_time")
                 let tmp%0#0: uint64 = (! close_time_exists%1#0)
                 (assert tmp%0#0) // Already closed
                 let new_state_value%0#0: uint64 = (global LatestTimestamp)
@@ -338,7 +338,7 @@ contract examples.voting.voting.VotingRoundApp:
                 (assert is_bootstrapped_exists%0#0) // check is_bootstrapped exists
                 goto is_bootstrapped_value%0#0 ? block@1 : block@5
             block@1: // and_contd_L205
-                let (close_time_exists%0#0: any, close_time_exists%1#0: uint64) = (app_global_get_ex 0u "close_time")
+                let (close_time_exists%0#0: uint64, close_time_exists%1#0: uint64) = (app_global_get_ex 0u "close_time")
                 goto close_time_exists%1#0 ? block@5 : block@2
             block@2: // and_contd_L205
                 let (start_time_value%0#0: uint64, start_time_exists%0#0: uint64) = (app_global_get_ex 0u "start_time")
diff --git a/examples/voting/out_unoptimized/VotingRoundApp.destructured.ir b/examples/voting/out_unoptimized/VotingRoundApp.destructured.ir
index 9a14b83a4f..9ea82181e2 100644
--- a/examples/voting/out_unoptimized/VotingRoundApp.destructured.ir
+++ b/examples/voting/out_unoptimized/VotingRoundApp.destructured.ir
@@ -170,7 +170,7 @@ contract examples.voting.voting.VotingRoundApp:
         subroutine examples.voting.voting.VotingRoundApp.close() -> void:
             block@0: // L108
                 algopy.ensure_budget(20000u, 0u)
-                let (close_time_exists%0#0: any, close_time_exists%1#0: uint64) = (app_global_get_ex 0u "close_time")
+                let (close_time_exists%0#0: uint64, close_time_exists%1#0: uint64) = (app_global_get_ex 0u "close_time")
                 let tmp%0#0: uint64 = (! close_time_exists%1#0)
                 (assert tmp%0#0) // Already closed
                 let new_state_value%0#0: uint64 = (global LatestTimestamp)
@@ -378,7 +378,7 @@ contract examples.voting.voting.VotingRoundApp:
                 (assert is_bootstrapped_exists%0#0) // check is_bootstrapped exists
                 goto is_bootstrapped_value%0#0 ? block@1 : block@5
             block@1: // and_contd_L205
-                let (close_time_exists%0#0: any, close_time_exists%1#0: uint64) = (app_global_get_ex 0u "close_time")
+                let (close_time_exists%0#0: uint64, close_time_exists%1#0: uint64) = (app_global_get_ex 0u "close_time")
                 goto close_time_exists%1#0 ? block@5 : block@2
             block@2: // and_contd_L205
                 let (start_time_value%0#0: uint64, start_time_exists%0#0: uint64) = (app_global_get_ex 0u "start_time")
diff --git a/src/puya/ir/builder/_utils.py b/src/puya/ir/builder/_utils.py
index 630302c1b8..8623d385ff 100644
--- a/src/puya/ir/builder/_utils.py
+++ b/src/puya/ir/builder/_utils.py
@@ -1,6 +1,8 @@
 import typing
 from collections.abc import Iterator, Sequence
 
+import attrs
+
 from puya.avm_type import AVMType
 from puya.awst import nodes as awst_nodes
 from puya.errors import InternalError
@@ -148,6 +150,7 @@ def assign_intrinsic_op(
     args: Sequence[int | bytes | Value],
     source_location: SourceLocation | None,
     immediates: list[int | str] | None = None,
+    return_type: Sequence[AVMType] | None = None,
 ) -> Sequence[Register]:
     def map_arg(arg: int | bytes | Value) -> Value:
         match arg:
@@ -156,35 +159,36 @@ def map_arg(arg: int | bytes | Value) -> Value:
             case bytes(b_val):
                 return BytesConstant(
                     value=b_val,
-                    source_location=source_location,
                     encoding=AVMBytesEncoding.base16,
+                    source_location=source_location,
                 )
             case _:
                 return arg
 
+    intrinsic = Intrinsic(
+        op=op,
+        immediates=immediates or [],
+        args=[map_arg(a) for a in args],
+        types=(
+            return_type
+            if return_type is not None
+            else typing.cast(Sequence[AVMType], attrs.NOTHING)
+        ),
+        source_location=source_location,
+    )
     if isinstance(target, str):
         return assign(
             context,
             temp_description=target,
+            source=intrinsic,
             source_location=source_location,
-            source=Intrinsic(
-                op=op,
-                immediates=immediates or list[int | str](),
-                args=[map_arg(a) for a in args],
-                source_location=source_location,
-            ),
         )
     else:
         return assign(
             context,
             names=[(target.name, source_location)],
+            source=intrinsic,
             source_location=source_location,
-            source=Intrinsic(
-                op=op,
-                immediates=immediates or list[int | str](),
-                args=[map_arg(a) for a in args],
-                source_location=source_location,
-            ),
         )
 
 
diff --git a/src/puya/ir/builder/arc4.py b/src/puya/ir/builder/arc4.py
index 692ef822d3..fc6ce23673 100644
--- a/src/puya/ir/builder/arc4.py
+++ b/src/puya/ir/builder/arc4.py
@@ -330,13 +330,10 @@ def append_to_buffer(item: Value) -> None:
                 )
 
                 assign_buffer(
-                    Intrinsic(
-                        op=AVMOp.setbit,
-                        args=[
-                            encoded_tuple_buffer,
-                            UInt64Constant(value=before_header, source_location=expr_loc),
-                            is_true,
-                        ],
+                    _set_bit(
+                        value=encoded_tuple_buffer,
+                        index=before_header,
+                        bit=is_true,
                         source_location=expr_loc,
                     )
                 )
@@ -369,6 +366,18 @@ def append_to_buffer(item: Value) -> None:
     return encoded_tuple_buffer
 
 
+def _set_bit(
+    *, value: Value, index: int, bit: Value, source_location: SourceLocation | None
+) -> Intrinsic:
+    index_const = UInt64Constant(value=index, source_location=source_location)
+    return Intrinsic(
+        op=AVMOp.setbit,
+        args=[value, index_const, bit],
+        types=[value.atype],
+        source_location=source_location,
+    )
+
+
 def encode_arc4_array(context: IRFunctionBuildContext, expr: awst_nodes.NewArray) -> ValueProvider:
     len_prefix = (
         len(expr.values).to_bytes(2, "big")
@@ -410,16 +419,10 @@ def encode_arc4_array(context: IRFunctionBuildContext, expr: awst_nodes.NewArray
                     ),
                     source_location=expr_loc,
                 )
-                new_array_data_value = Intrinsic(
-                    op=AVMOp.setbit,
-                    args=[
-                        array_data,
-                        UInt64Constant(
-                            value=index + (len(len_prefix) * 8),
-                            source_location=expr_loc,
-                        ),
-                        is_true,
-                    ],
+                new_array_data_value = _set_bit(
+                    value=array_data,
+                    index=index + 8 * len(len_prefix),
+                    bit=is_true,
                     source_location=expr_loc,
                 )
             array_data = reassign(context, array_data, new_array_data_value, expr_loc)
@@ -673,7 +676,8 @@ def _arc4_replace_struct_item(
             target="updated_data",
             source_location=source_location,
             op=AVMOp.setbit,
-            args=[base, header_up_to_item, is_true],
+            args=(base, header_up_to_item, is_true),
+            return_type=[base.atype],
         )
         return updated_data
     else:
@@ -1334,11 +1338,8 @@ def _arc4_replace_array_item(
             target="updated_target",
             source_location=source_location,
             op=AVMOp.setbit,
-            args=[
-                base,
-                write_offset,
-                is_true,
-            ],
+            args=(base, write_offset, is_true),
+            return_type=[base.atype],
         )
     else:
         (updated_target,) = assign_intrinsic_op(
@@ -1640,17 +1641,10 @@ def _assert_index_in_bounds(
     )
 
 
-def encode_arc4_bool(value: Value, source_location: SourceLocation) -> ValueProvider:
-    return Intrinsic(
-        op=AVMOp.setbit,
-        args=[
-            BytesConstant(
-                value=0x00.to_bytes(1, "big"),
-                source_location=source_location,
-                encoding=AVMBytesEncoding.base16,
-            ),
-            UInt64Constant(value=0, source_location=None),
-            value,
-        ],
+def encode_arc4_bool(bit: Value, source_location: SourceLocation) -> ValueProvider:
+    value = BytesConstant(
+        value=0x00.to_bytes(1, "big"),
         source_location=source_location,
+        encoding=AVMBytesEncoding.base16,
     )
+    return _set_bit(value=value, index=0, bit=bit, source_location=source_location)
diff --git a/src/puya/ir/builder/main.py b/src/puya/ir/builder/main.py
index 6c540fdf48..a48443ec94 100644
--- a/src/puya/ir/builder/main.py
+++ b/src/puya/ir/builder/main.py
@@ -8,18 +8,11 @@
     nodes as awst_nodes,
     wtypes,
 )
-from puya.awst.nodes import (
-    BigUIntBinaryOperator,
-    UInt64BinaryOperator,
-)
+from puya.awst.nodes import BigUIntBinaryOperator, UInt64BinaryOperator
 from puya.errors import CodeError, InternalError
 from puya.ir.avm_ops import AVMOp
 from puya.ir.builder import arc4, flow_control, state
-from puya.ir.builder._utils import (
-    assert_value,
-    assign,
-    mkblocks,
-)
+from puya.ir.builder._utils import assert_value, assign, mkblocks
 from puya.ir.builder.assignment import handle_assignment, handle_assignment_expr
 from puya.ir.builder.callsub import visit_subroutine_call_expression
 from puya.ir.builder.iteration import handle_for_in_loop
@@ -250,18 +243,12 @@ def visit_numeric_comparison_expression(
     ) -> TExpression:
         left = self.visit_and_materialise_single(expr.lhs)
         right = self.visit_and_materialise_single(expr.rhs)
-        if not (left.atype & right.atype):
+        if left.atype != right.atype:
             raise InternalError(
                 "Numeric comparison between different numeric types", expr.source_location
             )
-        if left.atype != AVMType.any:
-            atype = left.atype
-        elif right.atype != AVMType.any:
-            atype = right.atype
-        else:
-            raise InternalError("Numeric comparison mapped to any type", expr.source_location)
         op_code = expr.operator.value
-        if atype == AVMType.bytes:
+        if left.atype == AVMType.bytes:
             op_code = "b" + op_code
 
         try:
@@ -754,12 +741,7 @@ def visit_return_statement(self, statement: awst_nodes.ReturnStatement) -> TStat
                     )
                 )
         return_types = [r.atype for r in result]
-        if not (
-            len(return_types) == len(self.context.subroutine.returns)
-            and all(
-                a & b for a, b in zip(return_types, self.context.subroutine.returns, strict=True)
-            )
-        ):
+        if return_types != self.context.subroutine.returns:
             raise CodeError(
                 f"Invalid return type {return_types} in {self.context.function.full_name},"
                 f" should be {self.context.subroutine.returns}",
diff --git a/src/puya/ir/builder/state.py b/src/puya/ir/builder/state.py
index e0de774d20..5e11523931 100644
--- a/src/puya/ir/builder/state.py
+++ b/src/puya/ir/builder/state.py
@@ -63,6 +63,7 @@ def visit_state_get(context: IRFunctionBuildContext, expr: awst_nodes.StateGet)
     return Intrinsic(
         op=AVMOp.select,
         args=[default, maybe_value, exists],
+        types=[wtype_to_avm_type(expr.wtype)],
         source_location=expr.source_location,
     )
 
@@ -132,4 +133,12 @@ def _build_state_get_ex(
         op = AVMOp.app_local_get_ex
         account = context.visitor.visit_and_materialise_single(expr.account)
         args.insert(0, account)
-    return Intrinsic(op=op, args=args, source_location=source_location)
+    return Intrinsic(
+        op=op,
+        args=args,
+        source_location=source_location,
+        types=[
+            wtype_to_avm_type(state_def.storage_wtype),
+            AVMType.uint64,
+        ],
+    )
diff --git a/src/puya/ir/models.py b/src/puya/ir/models.py
index e0e3cbb24d..b80e3aedb6 100644
--- a/src/puya/ir/models.py
+++ b/src/puya/ir/models.py
@@ -4,35 +4,20 @@
 
 import attrs
 
+from puya import log
 from puya.avm_type import AVMType
 from puya.errors import CodeError, InternalError
 from puya.ir.avm_ops import AVMOp
-from puya.ir.avm_ops_models import OpSignature, Variant
+from puya.ir.avm_ops_models import OpSignature, StackType, Variant
 from puya.ir.types_ import AVMBytesEncoding, stack_type_to_avm_type
 from puya.ir.visitor import IRVisitor
 from puya.models import ContractMetaData, LogicSignatureMetaData
 from puya.parse import SourceLocation
 from puya.utils import unique
 
-T = t.TypeVar("T")
-
+logger = log.get_logger(__name__)
 
-def _check_stack_types(
-    error_format: str,
-    target_types: Sequence[AVMType],
-    source_types: Sequence[AVMType],
-    source_location: SourceLocation | None,
-) -> None:
-    if len(target_types) != len(source_types) or not all(
-        a & b for a, b in zip(target_types, source_types, strict=True)
-    ):
-        raise CodeError(
-            error_format.format(
-                source_types=f"({', '.join(map(str, source_types))})",
-                target_types=f"({', '.join(map(str, target_types))})",
-            ),
-            source_location,
-        )
+T = t.TypeVar("T")
 
 
 class Context(t.Protocol):
@@ -89,6 +74,11 @@ class Value(ValueProvider, abc.ABC):
 
     atype: AVMType = attrs.field(repr=lambda x: x.name)
 
+    @atype.validator
+    def _validate_not_any(self, _attribute: object, atype: AVMType) -> None:
+        if atype is AVMType.any:
+            raise InternalError(f"Register has type any: {self}", self.source_location)
+
     @property
     def types(self) -> Sequence[AVMType]:
         return (self.atype,)
@@ -191,7 +181,7 @@ def _frozen_data(self) -> object:
 
     @args.validator
     def check_args(self, _attribute: object, args: Sequence[PhiArgument]) -> None:
-        bad_args = [arg for arg in args if not (arg.value.atype & self.atype)]
+        bad_args = [arg for arg in args if arg.value.atype != self.atype]
         if bad_args:
             raise InternalError(f"Phi node received arguments with unexpected type(s): {bad_args}")
         seen_blocks = set[BasicBlock]()
@@ -291,20 +281,6 @@ class Intrinsic(Op, ValueProvider):
     def _default_types(self) -> tuple[AVMType, ...]:
         return tuple(map(stack_type_to_avm_type, self.op_signature.returns))
 
-    @_types.validator
-    def _validate_types(self, _attribute: object, types: Sequence[AVMType]) -> None:
-        expected_types = self._default_types()
-        received_types = tuple(types)
-        desc = f"({self.op} {' '.join(map(str, self.immediates))}): "
-        _check_stack_types(
-            "Incompatible return types on Intrinsic"
-            + desc
-            + " received = {source_types}, expected = {target_types}",
-            expected_types,
-            received_types,
-            self.source_location,
-        )
-
     def _frozen_data(self) -> object:
         return self.op, tuple(self.immediates), tuple(self.args), self.comment
 
@@ -323,19 +299,39 @@ def op_signature(self) -> OpSignature:
     def op_variant(self) -> Variant:
         return self.op.get_variant(self.immediates)
 
+    @_types.validator
+    def _validate_types(self, _attribute: object, types: Sequence[AVMType]) -> None:
+        if AVMType.any in types:
+            raise InternalError(
+                f"Intrinsic op {self.op.name} requires return type information",
+                self.source_location,
+            )
+        self._check_stack_types("return", self.op_signature.returns, types)
+
     @args.validator
     def _validate_args(self, _attribute: object, args: list[Value]) -> None:
-        expected_args = [stack_type_to_avm_type(a) for a in self.op_signature.args]
-        received_args = [a.atype for a in args]
-        desc = f"({self.op} {' '.join(map(str, self.immediates))}): "
-        _check_stack_types(
-            "Incompatible argument types on Intrinsic"
-            + desc
-            + " received = {source_types}, expected = {target_types}",
-            expected_args,
-            received_args,
-            self.source_location,
-        )
+        arg_types = [a.atype for a in args]
+        self._check_stack_types("argument", self.op_signature.args, arg_types)
+
+    def _check_stack_types(
+        self,
+        context: str,
+        expected_types: Sequence[StackType],
+        source_types: Sequence[AVMType],
+    ) -> None:
+        target_types = [stack_type_to_avm_type(a) for a in expected_types]
+        if len(target_types) != len(source_types) or not all(
+            a & b for a, b in zip(target_types, source_types, strict=True)
+        ):
+            logger.error(
+                (
+                    f"Incompatible {context} types on Intrinsic"
+                    f"({self.op} {' '.join(map(str, self.immediates))}): "
+                    f" received = ({', '.join(map(str, source_types))}),"
+                    f" expected = ({', '.join(map(str, target_types))})"
+                ),
+                location=self.source_location,
+            )
 
 
 @attrs.define(eq=False)
@@ -389,13 +385,14 @@ def _frozen_data(self) -> object:
 
     @source.validator
     def _check_types(self, _attribute: object, source: ValueProvider) -> None:
-        _check_stack_types(
-            "Incompatible types on assignment: "
-            "source = {source_types}, target = {target_types}",
-            [target.atype for target in self.targets],
-            list(source.types),
-            self.source_location,
-        )
+        target_type = [target.atype for target in self.targets]
+        source_type = list(source.types)
+        if target_type != source_type:
+            raise CodeError(
+                f"Incompatible types on assignment:"
+                f" source = {source_type}, target = {target_type}",
+                self.source_location,
+            )
 
     def accept(self, visitor: IRVisitor[T]) -> T:
         return visitor.visit_assignment(self)
@@ -566,7 +563,7 @@ class Switch(ControlOp):
 
     @cases.validator
     def _check_cases(self, _attribute: object, cases: dict[Value, BasicBlock]) -> None:
-        if not all(case.atype & self.value.atype for case in cases):
+        if any(case.atype != self.value.atype for case in cases):
             raise CodeError(
                 "Switch cases types mismatch with value to match", self.source_location
             )
@@ -684,7 +681,7 @@ class Subroutine(Context):
     body: list[BasicBlock] = attrs.field()
 
     @property
-    def returns(self) -> Sequence[AVMType]:
+    def returns(self) -> list[AVMType]:
         return [*self._returns, *(p.atype for p in self.parameters if p.implicit_return)]
 
     @body.validator
diff --git a/src/puya/ir/optimize/intrinsic_simplification.py b/src/puya/ir/optimize/intrinsic_simplification.py
index 41c352364d..181db010bb 100644
--- a/src/puya/ir/optimize/intrinsic_simplification.py
+++ b/src/puya/ir/optimize/intrinsic_simplification.py
@@ -187,7 +187,9 @@ def _try_convert_stack_args_to_immediates(intrinsic: Intrinsic) -> Intrinsic | N
 def _try_fold_intrinsic(
     subroutine: models.Subroutine, intrinsic: models.Intrinsic
 ) -> models.ValueProvider | None:
-    if intrinsic.op in (AVMOp.loads, AVMOp.gloads) or (intrinsic.op.code.startswith("box_")):
+    if intrinsic.op in (AVMOp.loads, AVMOp.gloads) or (
+        intrinsic.op.code.startswith(("box_", "app_global_", "app_local_"))
+    ):
         # can't simplify these
         return None
     elif intrinsic.op in (AVMOp.itob, AVMOp.bzero):
diff --git a/src/puya/mir/models.py b/src/puya/mir/models.py
index 5af875214d..a5fdfce24b 100644
--- a/src/puya/mir/models.py
+++ b/src/puya/mir/models.py
@@ -121,7 +121,12 @@ class StoreOp(MemoryOp, abc.ABC):
     """An op for storing values"""
 
     local_id: str
-    atype: AVMType
+    atype: AVMType = attrs.field()
+
+    @atype.validator
+    def _validate_not_any(self, _attribute: object, atype: AVMType) -> None:
+        if atype is AVMType.any:
+            raise InternalError(f"Register has type any: {self}", self.source_location)
 
 
 @attrs.frozen(kw_only=True, eq=False)
@@ -129,7 +134,12 @@ class LoadOp(MemoryOp, abc.ABC):
     """An op for loading values"""
 
     local_id: str
-    atype: AVMType
+    atype: AVMType = attrs.field()
+
+    @atype.validator
+    def _validate_not_any(self, _attribute: object, atype: AVMType) -> None:
+        if atype is AVMType.any:
+            raise InternalError(f"Register has type any: {self}", self.source_location)
 
 
 @attrs.frozen(eq=False)
diff --git a/src/puya/mir/stack_allocation/frame_allocation.py b/src/puya/mir/stack_allocation/frame_allocation.py
index 24b92c8ac4..a813a31ab3 100644
--- a/src/puya/mir/stack_allocation/frame_allocation.py
+++ b/src/puya/mir/stack_allocation/frame_allocation.py
@@ -49,11 +49,15 @@ def get_allocate_op(
     variable_type_mapping = get_local_id_types(subroutine)
     for variable in all_variables:
         match variable_type_mapping.get(variable):
-            # treat any as uint when pre-allocating
-            case AVMType.uint64 | AVMType.any:
+            case AVMType.uint64:
                 uint64_vars.append(variable)
             case AVMType.bytes:
                 byte_vars.append(variable)
+            case AVMType.any:
+                raise InternalError(
+                    "Encountered AVM type any on preamble construction",
+                    subroutine.preamble.source_location,
+                )
             case None:
                 raise CodeError(
                     f"Undefined register: {variable}."
diff --git a/templates/.macros.j2 b/templates/.macros.j2
index eb90675311..b03f6592e0 100644
--- a/templates/.macros.j2
+++ b/templates/.macros.j2
@@ -4,12 +4,12 @@
 ### {{ type_ | capitalize }}
 {% for commit in type_commits[type_] %}
 * {{ commit["descriptions"][0] }} ([`{{ commit.short_hash }}`]({{ commit.hexsha | commit_hash_url }}))
-{% set skip_line = false -%}
+{% set ns = namespace(skip_line=false) -%}
 {%- for line in commit["descriptions"][1:] -%}
-{# skip co-author annotations in commit messages #}
-{%- if "Co-authored-by:" in line -%}
-{%- set skip_line = true -%}
-{%- elif not skip_line %}
+{# skip co-author annotations in commit messages and internal notes #}
+{%- if "---------" in line -%}
+{%- set ns.skip_line = true -%}
+{%- elif not ns.skip_line %}
 {{ line | indent(2, first=True, blank=True)}}
 {% endif -%}
 {%- endfor %}
diff --git a/test_cases/arc4_types/out/Arc4BoolEvalContract.ssa.ir b/test_cases/arc4_types/out/Arc4BoolEvalContract.ssa.ir
index c01318ae11..c014fddfa3 100644
--- a/test_cases/arc4_types/out/Arc4BoolEvalContract.ssa.ir
+++ b/test_cases/arc4_types/out/Arc4BoolEvalContract.ssa.ir
@@ -2,10 +2,10 @@ contract test_cases.arc4_types.bool_eval.Arc4BoolEvalContract:
     program approval:
         subroutine test_cases.arc4_types.bool_eval.Arc4BoolEvalContract.approval_program() -> uint64:
             block@0: // L12
-                let tmp%0#0: any = (setbit 0x00 0u 0u)
+                let tmp%0#0: bytes = (setbit 0x00 0u 0u)
                 let tmp%1#0: uint64 = (== tmp%0#0 0x00)
                 (assert tmp%1#0)
-                let tmp%2#0: any = (setbit 0x00 0u 1u)
+                let tmp%2#0: bytes = (setbit 0x00 0u 1u)
                 let tmp%3#0: uint64 = (!= tmp%2#0 0x00)
                 (assert tmp%3#0)
                 let tmp%4#0: uint64 = (== "\x00\x00" 0x0000)
@@ -79,8 +79,8 @@ contract test_cases.arc4_types.bool_eval.Arc4BoolEvalContract:
                 let dynamic_arr#1: bytes = concat_result%0#0
                 let tmp%35#0: uint64 = (!= dynamic_arr#1 0x0000)
                 (assert tmp%35#0)
-                let tmp%36#0: any = (setbit 0x00 0u 0u)
-                let tmp%37#0: any = (setbit 0x00 0u 0u)
+                let tmp%36#0: bytes = (setbit 0x00 0u 0u)
+                let tmp%37#0: bytes = (setbit 0x00 0u 0u)
                 let tmp%38#0: uint64 = (== tmp%36#0 tmp%37#0)
                 (assert tmp%38#0)
                 return 1u
diff --git a/test_cases/arc4_types/out/Arc4BoolEvalContract.ssa.opt_pass_1.ir b/test_cases/arc4_types/out/Arc4BoolEvalContract.ssa.opt_pass_1.ir
index e23e5f7b9c..aea8609c2a 100644
--- a/test_cases/arc4_types/out/Arc4BoolEvalContract.ssa.opt_pass_1.ir
+++ b/test_cases/arc4_types/out/Arc4BoolEvalContract.ssa.opt_pass_1.ir
@@ -2,10 +2,10 @@ contract test_cases.arc4_types.bool_eval.Arc4BoolEvalContract:
     program approval:
         subroutine test_cases.arc4_types.bool_eval.Arc4BoolEvalContract.approval_program() -> uint64:
             block@0: // L12
-                let tmp%0#0: any = 0x00
+                let tmp%0#0: bytes = 0x00
                 let tmp%1#0: uint64 = (== tmp%0#0 0x00)
                 (assert tmp%1#0)
-                let tmp%2#0: any = 0x80
+                let tmp%2#0: bytes = 0x80
                 let tmp%3#0: uint64 = (!= tmp%2#0 0x00)
                 (assert tmp%3#0)
                 let tmp%4#0: uint64 = 1u
@@ -74,8 +74,8 @@ contract test_cases.arc4_types.bool_eval.Arc4BoolEvalContract:
                 let dynamic_arr#1: bytes = (concat len_16_bit%0#0 concatenated%0#0)
                 let tmp%35#0: uint64 = (!= dynamic_arr#1 0x0000)
                 (assert tmp%35#0)
-                let tmp%36#0: any = 0x00
-                let tmp%37#0: any = 0x00
+                let tmp%36#0: bytes = 0x00
+                let tmp%37#0: bytes = 0x00
                 let tmp%38#0: uint64 = (== tmp%36#0 tmp%37#0)
                 (assert tmp%38#0)
                 return 1u
diff --git a/test_cases/arc4_types/out/Arc4BoolTypeContract.approval.mir b/test_cases/arc4_types/out/Arc4BoolTypeContract.approval.mir
index 85fe07da69..8712167aaf 100644
--- a/test_cases/arc4_types/out/Arc4BoolTypeContract.approval.mir
+++ b/test_cases/arc4_types/out/Arc4BoolTypeContract.approval.mir
@@ -32,7 +32,7 @@ test_stuff_block@0:
     //                 virtual: load tmp%2#0 from l-stack (no copy) (𝕡) true#0,false#0 | tmp%0#0,tmp%1#0,tmp%2#0                                                 assert not false.native                arc4_types/bool.py:50
     assert             //                                                                                        (𝕡) true#0,false#0 | tmp%0#0,tmp%1#0                                                   assert not false.native                                                     arc4_types/bool.py:50
     byte 0x00          //                                                                                        (𝕡) true#0,false#0 | tmp%0#0,tmp%1#0,0x00                                              ARC4Bool(true.native)                                                       arc4_types/bool.py:52
-    int 0              //                                                                                        (𝕡) true#0,false#0 | tmp%0#0,tmp%1#0,0x00,0
+    int 0              //                                                                                        (𝕡) true#0,false#0 | tmp%0#0,tmp%1#0,0x00,0                                            ARC4Bool(true.native)                                                       arc4_types/bool.py:52
     uncover 3          //                                           load tmp%0#0 from l-stack (no copy)          (𝕡) true#0,false#0 | tmp%1#0,0x00,0,tmp%0#0                                            ARC4Bool(true.native)                                                       arc4_types/bool.py:52
     setbit             //                                                                                        (𝕡) true#0,false#0 | tmp%1#0,{setbit}                                                  ARC4Bool(true.native)                                                       arc4_types/bool.py:52
     //                 virtual: store tmp%4#0 to l-stack (no copy)  (𝕡) true#0,false#0 | tmp%1#0,tmp%4#0                                                         ARC4Bool(true.native)                  arc4_types/bool.py:52
@@ -43,7 +43,7 @@ test_stuff_block@0:
     //                 virtual: load tmp%5#0 from l-stack (no copy) (𝕡) true#0,false#0 | tmp%1#0,tmp%5#0                                                         assert true == ARC4Bool(true.native)   arc4_types/bool.py:52
     assert             //                                                                                        (𝕡) true#0,false#0 | tmp%1#0                                                           assert true == ARC4Bool(true.native)                                        arc4_types/bool.py:52
     byte 0x00          //                                                                                        (𝕡) true#0,false#0 | tmp%1#0,0x00                                                      ARC4Bool(false.native)                                                      arc4_types/bool.py:53
-    int 0              //                                                                                        (𝕡) true#0,false#0 | tmp%1#0,0x00,0
+    int 0              //                                                                                        (𝕡) true#0,false#0 | tmp%1#0,0x00,0                                                    ARC4Bool(false.native)                                                      arc4_types/bool.py:53
     uncover 2          //                                           load tmp%1#0 from l-stack (no copy)          (𝕡) true#0,false#0 | 0x00,0,tmp%1#0                                                    ARC4Bool(false.native)                                                      arc4_types/bool.py:53
     setbit             //                                                                                        (𝕡) true#0,false#0 | {setbit}                                                          ARC4Bool(false.native)                                                      arc4_types/bool.py:53
     //                 virtual: store tmp%7#0 to l-stack (no copy)  (𝕡) true#0,false#0 | tmp%7#0                                                                 ARC4Bool(false.native)                 arc4_types/bool.py:53
diff --git a/test_cases/arc4_types/out/Arc4BoolTypeContract.destructured.ir b/test_cases/arc4_types/out/Arc4BoolTypeContract.destructured.ir
index 8428fd8dfc..1554ca7754 100644
--- a/test_cases/arc4_types/out/Arc4BoolTypeContract.destructured.ir
+++ b/test_cases/arc4_types/out/Arc4BoolTypeContract.destructured.ir
@@ -12,10 +12,10 @@ contract test_cases.arc4_types.bool.Arc4BoolTypeContract:
                 let tmp%1#0: uint64 = (getbit false#0 0u)
                 let tmp%2#0: uint64 = (! tmp%1#0)
                 (assert tmp%2#0)
-                let tmp%4#0: any = (setbit 0x00 0u tmp%0#0)
+                let tmp%4#0: bytes = (setbit 0x00 0u tmp%0#0)
                 let tmp%5#0: uint64 = (== true#0 tmp%4#0)
                 (assert tmp%5#0)
-                let tmp%7#0: any = (setbit 0x00 0u tmp%1#0)
+                let tmp%7#0: bytes = (setbit 0x00 0u tmp%1#0)
                 let tmp%8#0: uint64 = (== false#0 tmp%7#0)
                 (assert tmp%8#0)
                 return 
diff --git a/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.ir b/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.ir
index 5623e656ed..ee8ecd8ace 100644
--- a/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.ir
+++ b/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.ir
@@ -2,51 +2,51 @@ contract test_cases.arc4_types.bool.Arc4BoolTypeContract:
     program approval:
         subroutine test_cases.arc4_types.bool.Arc4BoolTypeContract.approval_program() -> uint64:
             block@0: // L12
-                let tmp%0#0: any = (setbit 0x00 0u 1u)
-                let tmp%1#0: any = (setbit 0x00 0u 0u)
+                let tmp%0#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%1#0: bytes = (setbit 0x00 0u 0u)
                 test_cases.arc4_types.bool.Arc4BoolTypeContract.test_stuff(tmp%0#0, tmp%1#0)
-                let tmp%2#0: any = (setbit 0x00 0u 1u)
-                let tmp%3#0: any = (setbit 0x00 0u 1u)
-                let tmp%4#0: any = (setbit 0x00 0u 1u)
-                let tmp%5#0: any = (setbit 0x00 0u 1u)
-                let tmp%6#0: any = (setbit 0x00 0u 1u)
-                let tmp%7#0: any = (setbit 0x00 0u 1u)
-                let tmp%8#0: any = (setbit 0x00 0u 1u)
-                let tmp%9#0: any = (setbit 0x00 0u 1u)
-                let tmp%10#0: any = (setbit 0x00 0u 1u)
-                let tmp%11#0: any = (setbit 0x00 0u 1u)
-                let tmp%12#0: any = (setbit 0x00 0u 1u)
-                let tmp%13#0: any = (setbit 0x00 0u 1u)
+                let tmp%2#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%3#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%4#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%5#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%6#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%7#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%8#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%9#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%10#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%11#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%12#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%13#0: bytes = (setbit 0x00 0u 1u)
                 let array_data%0#0: bytes = 0x
                 let array_data%0#1: bytes = (concat array_data%0#0 tmp%2#0)
                 let is_true%0#0: uint64 = (getbit tmp%3#0 0u)
-                let array_data%0#2: any = (setbit array_data%0#1 1u is_true%0#0)
+                let array_data%0#2: bytes = (setbit array_data%0#1 1u is_true%0#0)
                 let is_true%1#0: uint64 = (getbit tmp%4#0 0u)
-                let array_data%0#3: any = (setbit array_data%0#2 2u is_true%1#0)
+                let array_data%0#3: bytes = (setbit array_data%0#2 2u is_true%1#0)
                 let is_true%2#0: uint64 = (getbit tmp%5#0 0u)
-                let array_data%0#4: any = (setbit array_data%0#3 3u is_true%2#0)
+                let array_data%0#4: bytes = (setbit array_data%0#3 3u is_true%2#0)
                 let is_true%3#0: uint64 = (getbit tmp%6#0 0u)
-                let array_data%0#5: any = (setbit array_data%0#4 4u is_true%3#0)
+                let array_data%0#5: bytes = (setbit array_data%0#4 4u is_true%3#0)
                 let is_true%4#0: uint64 = (getbit tmp%7#0 0u)
-                let array_data%0#6: any = (setbit array_data%0#5 5u is_true%4#0)
+                let array_data%0#6: bytes = (setbit array_data%0#5 5u is_true%4#0)
                 let is_true%5#0: uint64 = (getbit tmp%8#0 0u)
-                let array_data%0#7: any = (setbit array_data%0#6 6u is_true%5#0)
+                let array_data%0#7: bytes = (setbit array_data%0#6 6u is_true%5#0)
                 let is_true%6#0: uint64 = (getbit tmp%9#0 0u)
-                let array_data%0#8: any = (setbit array_data%0#7 7u is_true%6#0)
+                let array_data%0#8: bytes = (setbit array_data%0#7 7u is_true%6#0)
                 let array_data%0#9: bytes = (concat array_data%0#8 tmp%10#0)
                 let is_true%7#0: uint64 = (getbit tmp%11#0 0u)
-                let array_data%0#10: any = (setbit array_data%0#9 9u is_true%7#0)
+                let array_data%0#10: bytes = (setbit array_data%0#9 9u is_true%7#0)
                 let is_true%8#0: uint64 = (getbit tmp%12#0 0u)
-                let array_data%0#11: any = (setbit array_data%0#10 10u is_true%8#0)
+                let array_data%0#11: bytes = (setbit array_data%0#10 10u is_true%8#0)
                 let is_true%9#0: uint64 = (getbit tmp%13#0 0u)
-                let array_data%0#12: any = (setbit array_data%0#11 11u is_true%9#0)
-                let static_boolean_array#0: any = array_data%0#12
+                let array_data%0#12: bytes = (setbit array_data%0#11 11u is_true%9#0)
+                let static_boolean_array#0: bytes = array_data%0#12
                 let tmp%14#0: uint64 = (== static_boolean_array#0 0xfff0)
                 (assert tmp%14#0)
                 let item_index%0#0: uint64 = (* 0u 1u)
                 let is_true%10#0: uint64 = (getbit static_boolean_array#0 item_index%0#0)
-                let tmp%15#0: any = (setbit 0x00 0u is_true%10#0)
-                let tmp%16#0: any = (setbit 0x00 0u 1u)
+                let tmp%15#0: bytes = (setbit 0x00 0u is_true%10#0)
+                let tmp%16#0: bytes = (setbit 0x00 0u 1u)
                 let tmp%17#0: uint64 = (== tmp%15#0 tmp%16#0)
                 (assert tmp%17#0) // Single boolean can be unpacked
                 let tmp%18#0: uint64 = (- 12u 1u)
@@ -55,20 +55,20 @@ contract test_cases.arc4_types.bool.Arc4BoolTypeContract:
                 (assert index_is_in_bounds%0#0) // Index access is out of bounds
                 let item_index%1#0: uint64 = (* tmp%18#0 1u)
                 let is_true%11#0: uint64 = (getbit static_boolean_array#0 item_index%1#0)
-                let tmp%19#0: any = (setbit 0x00 0u is_true%11#0)
-                let tmp%20#0: any = (setbit 0x00 0u 1u)
+                let tmp%19#0: bytes = (setbit 0x00 0u is_true%11#0)
+                let tmp%20#0: bytes = (setbit 0x00 0u 1u)
                 let tmp%21#0: uint64 = (== tmp%19#0 tmp%20#0)
                 (assert tmp%21#0) // Single boolean can be unpacked
-                let tmp%22#0: any = (setbit 0x00 0u 1u)
-                let tmp%23#0: any = (setbit 0x00 0u 0u)
-                let tmp%24#0: any = (setbit 0x00 0u 1u)
+                let tmp%22#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%23#0: bytes = (setbit 0x00 0u 0u)
+                let tmp%24#0: bytes = (setbit 0x00 0u 1u)
                 let array_data%1#0: bytes = 0x0003
                 let array_data%1#1: bytes = (concat array_data%1#0 tmp%22#0)
                 let is_true%12#0: uint64 = (getbit tmp%23#0 0u)
-                let array_data%1#2: any = (setbit array_data%1#1 17u is_true%12#0)
+                let array_data%1#2: bytes = (setbit array_data%1#1 17u is_true%12#0)
                 let is_true%13#0: uint64 = (getbit tmp%24#0 0u)
-                let array_data%1#3: any = (setbit array_data%1#2 18u is_true%13#0)
-                let dynamic_boolean_array#0: any = array_data%1#3
+                let array_data%1#3: bytes = (setbit array_data%1#2 18u is_true%13#0)
+                let dynamic_boolean_array#0: bytes = array_data%1#3
                 let tmp%25#0: uint64 = (== dynamic_boolean_array#0 0x0003a0)
                 (assert tmp%25#0)
                 return 1u
@@ -81,11 +81,11 @@ contract test_cases.arc4_types.bool.Arc4BoolTypeContract:
                 let tmp%2#0: uint64 = (! tmp%1#0)
                 (assert tmp%2#0)
                 let tmp%3#0: uint64 = (getbit true#0 0u)
-                let tmp%4#0: any = (setbit 0x00 0u tmp%3#0)
+                let tmp%4#0: bytes = (setbit 0x00 0u tmp%3#0)
                 let tmp%5#0: uint64 = (== true#0 tmp%4#0)
                 (assert tmp%5#0)
                 let tmp%6#0: uint64 = (getbit false#0 0u)
-                let tmp%7#0: any = (setbit 0x00 0u tmp%6#0)
+                let tmp%7#0: bytes = (setbit 0x00 0u tmp%6#0)
                 let tmp%8#0: uint64 = (== false#0 tmp%7#0)
                 (assert tmp%8#0)
                 return 
diff --git a/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_1.ir b/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_1.ir
index 3a4499c390..52fcc82fbc 100644
--- a/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_1.ir
+++ b/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_1.ir
@@ -2,49 +2,49 @@ contract test_cases.arc4_types.bool.Arc4BoolTypeContract:
     program approval:
         subroutine test_cases.arc4_types.bool.Arc4BoolTypeContract.approval_program() -> uint64:
             block@0: // L12
-                let tmp%0#0: any = 0x80
-                let tmp%1#0: any = 0x00
+                let tmp%0#0: bytes = 0x80
+                let tmp%1#0: bytes = 0x00
                 test_cases.arc4_types.bool.Arc4BoolTypeContract.test_stuff(tmp%0#0, tmp%1#0)
-                let tmp%2#0: any = 0x80
-                let tmp%3#0: any = 0x80
-                let tmp%4#0: any = 0x80
-                let tmp%5#0: any = 0x80
-                let tmp%6#0: any = 0x80
-                let tmp%7#0: any = 0x80
-                let tmp%8#0: any = 0x80
-                let tmp%9#0: any = 0x80
-                let tmp%10#0: any = 0x80
-                let tmp%11#0: any = 0x80
-                let tmp%12#0: any = 0x80
-                let tmp%13#0: any = 0x80
+                let tmp%2#0: bytes = 0x80
+                let tmp%3#0: bytes = 0x80
+                let tmp%4#0: bytes = 0x80
+                let tmp%5#0: bytes = 0x80
+                let tmp%6#0: bytes = 0x80
+                let tmp%7#0: bytes = 0x80
+                let tmp%8#0: bytes = 0x80
+                let tmp%9#0: bytes = 0x80
+                let tmp%10#0: bytes = 0x80
+                let tmp%11#0: bytes = 0x80
+                let tmp%12#0: bytes = 0x80
+                let tmp%13#0: bytes = 0x80
                 let array_data%0#1: bytes = tmp%2#0
                 let is_true%0#0: uint64 = (getbit tmp%3#0 0u)
-                let array_data%0#2: any = (setbit array_data%0#1 1u is_true%0#0)
+                let array_data%0#2: bytes = (setbit array_data%0#1 1u is_true%0#0)
                 let is_true%1#0: uint64 = (getbit tmp%4#0 0u)
-                let array_data%0#3: any = (setbit array_data%0#2 2u is_true%1#0)
+                let array_data%0#3: bytes = (setbit array_data%0#2 2u is_true%1#0)
                 let is_true%2#0: uint64 = (getbit tmp%5#0 0u)
-                let array_data%0#4: any = (setbit array_data%0#3 3u is_true%2#0)
+                let array_data%0#4: bytes = (setbit array_data%0#3 3u is_true%2#0)
                 let is_true%3#0: uint64 = (getbit tmp%6#0 0u)
-                let array_data%0#5: any = (setbit array_data%0#4 4u is_true%3#0)
+                let array_data%0#5: bytes = (setbit array_data%0#4 4u is_true%3#0)
                 let is_true%4#0: uint64 = (getbit tmp%7#0 0u)
-                let array_data%0#6: any = (setbit array_data%0#5 5u is_true%4#0)
+                let array_data%0#6: bytes = (setbit array_data%0#5 5u is_true%4#0)
                 let is_true%5#0: uint64 = (getbit tmp%8#0 0u)
-                let array_data%0#7: any = (setbit array_data%0#6 6u is_true%5#0)
+                let array_data%0#7: bytes = (setbit array_data%0#6 6u is_true%5#0)
                 let is_true%6#0: uint64 = (getbit tmp%9#0 0u)
-                let array_data%0#8: any = (setbit array_data%0#7 7u is_true%6#0)
+                let array_data%0#8: bytes = (setbit array_data%0#7 7u is_true%6#0)
                 let array_data%0#9: bytes = (concat array_data%0#8 tmp%10#0)
                 let is_true%7#0: uint64 = (getbit tmp%11#0 0u)
-                let array_data%0#10: any = (setbit array_data%0#9 9u is_true%7#0)
+                let array_data%0#10: bytes = (setbit array_data%0#9 9u is_true%7#0)
                 let is_true%8#0: uint64 = (getbit tmp%12#0 0u)
-                let array_data%0#11: any = (setbit array_data%0#10 10u is_true%8#0)
+                let array_data%0#11: bytes = (setbit array_data%0#10 10u is_true%8#0)
                 let is_true%9#0: uint64 = (getbit tmp%13#0 0u)
-                let static_boolean_array#0: any = (setbit array_data%0#11 11u is_true%9#0)
+                let static_boolean_array#0: bytes = (setbit array_data%0#11 11u is_true%9#0)
                 let tmp%14#0: uint64 = (== static_boolean_array#0 0xfff0)
                 (assert tmp%14#0)
                 let item_index%0#0: uint64 = 0u
                 let is_true%10#0: uint64 = (getbit static_boolean_array#0 item_index%0#0)
-                let tmp%15#0: any = (setbit 0x00 0u is_true%10#0)
-                let tmp%16#0: any = 0x80
+                let tmp%15#0: bytes = (setbit 0x00 0u is_true%10#0)
+                let tmp%16#0: bytes = 0x80
                 let tmp%17#0: uint64 = (== tmp%15#0 tmp%16#0)
                 (assert tmp%17#0) // Single boolean can be unpacked
                 let tmp%18#0: uint64 = 11u
@@ -52,18 +52,18 @@ contract test_cases.arc4_types.bool.Arc4BoolTypeContract:
                 (assert index_is_in_bounds%0#0) // Index access is out of bounds
                 let item_index%1#0: uint64 = tmp%18#0
                 let is_true%11#0: uint64 = (getbit static_boolean_array#0 item_index%1#0)
-                let tmp%19#0: any = (setbit 0x00 0u is_true%11#0)
-                let tmp%20#0: any = 0x80
+                let tmp%19#0: bytes = (setbit 0x00 0u is_true%11#0)
+                let tmp%20#0: bytes = 0x80
                 let tmp%21#0: uint64 = (== tmp%19#0 tmp%20#0)
                 (assert tmp%21#0) // Single boolean can be unpacked
-                let tmp%22#0: any = 0x80
-                let tmp%23#0: any = 0x00
-                let tmp%24#0: any = 0x80
+                let tmp%22#0: bytes = 0x80
+                let tmp%23#0: bytes = 0x00
+                let tmp%24#0: bytes = 0x80
                 let array_data%1#1: bytes = (concat 0x0003 tmp%22#0)
                 let is_true%12#0: uint64 = (getbit tmp%23#0 0u)
-                let array_data%1#2: any = (setbit array_data%1#1 17u is_true%12#0)
+                let array_data%1#2: bytes = (setbit array_data%1#1 17u is_true%12#0)
                 let is_true%13#0: uint64 = (getbit tmp%24#0 0u)
-                let dynamic_boolean_array#0: any = (setbit array_data%1#2 18u is_true%13#0)
+                let dynamic_boolean_array#0: bytes = (setbit array_data%1#2 18u is_true%13#0)
                 let tmp%25#0: uint64 = (== dynamic_boolean_array#0 0x0003a0)
                 (assert tmp%25#0)
                 return 1u
@@ -75,10 +75,10 @@ contract test_cases.arc4_types.bool.Arc4BoolTypeContract:
                 let tmp%1#0: uint64 = (getbit false#0 0u)
                 let tmp%2#0: uint64 = (! tmp%1#0)
                 (assert tmp%2#0)
-                let tmp%4#0: any = (setbit 0x00 0u tmp%0#0)
+                let tmp%4#0: bytes = (setbit 0x00 0u tmp%0#0)
                 let tmp%5#0: uint64 = (== true#0 tmp%4#0)
                 (assert tmp%5#0)
-                let tmp%7#0: any = (setbit 0x00 0u tmp%1#0)
+                let tmp%7#0: bytes = (setbit 0x00 0u tmp%1#0)
                 let tmp%8#0: uint64 = (== false#0 tmp%7#0)
                 (assert tmp%8#0)
                 return 
diff --git a/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_10.ir b/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_10.ir
index 61e2286d3a..618cec50ce 100644
--- a/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_10.ir
+++ b/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_10.ir
@@ -4,17 +4,17 @@ contract test_cases.arc4_types.bool.Arc4BoolTypeContract:
             block@0: // L12
                 test_cases.arc4_types.bool.Arc4BoolTypeContract.test_stuff(0x80, 0x00)
                 let array_data%0#9: bytes = 0xff80
-                let array_data%0#10: any = (setbit array_data%0#9 9u 1u)
-                let array_data%0#11: any = (setbit array_data%0#10 10u 1u)
-                let static_boolean_array#0: any = (setbit array_data%0#11 11u 1u)
+                let array_data%0#10: bytes = (setbit array_data%0#9 9u 1u)
+                let array_data%0#11: bytes = (setbit array_data%0#10 10u 1u)
+                let static_boolean_array#0: bytes = (setbit array_data%0#11 11u 1u)
                 let tmp%14#0: uint64 = (== static_boolean_array#0 0xfff0)
                 (assert tmp%14#0)
                 let is_true%10#0: uint64 = (getbit static_boolean_array#0 0u)
-                let tmp%15#0: any = (setbit 0x00 0u is_true%10#0)
+                let tmp%15#0: bytes = (setbit 0x00 0u is_true%10#0)
                 let tmp%17#0: uint64 = (== tmp%15#0 0x80)
                 (assert tmp%17#0) // Single boolean can be unpacked
                 let is_true%11#0: uint64 = (getbit static_boolean_array#0 11u)
-                let tmp%19#0: any = (setbit 0x00 0u is_true%11#0)
+                let tmp%19#0: bytes = (setbit 0x00 0u is_true%11#0)
                 let tmp%21#0: uint64 = (== tmp%19#0 0x80)
                 (assert tmp%21#0) // Single boolean can be unpacked
                 return 1u
@@ -26,10 +26,10 @@ contract test_cases.arc4_types.bool.Arc4BoolTypeContract:
                 let tmp%1#0: uint64 = (getbit false#0 0u)
                 let tmp%2#0: uint64 = (! tmp%1#0)
                 (assert tmp%2#0)
-                let tmp%4#0: any = (setbit 0x00 0u tmp%0#0)
+                let tmp%4#0: bytes = (setbit 0x00 0u tmp%0#0)
                 let tmp%5#0: uint64 = (== true#0 tmp%4#0)
                 (assert tmp%5#0)
-                let tmp%7#0: any = (setbit 0x00 0u tmp%1#0)
+                let tmp%7#0: bytes = (setbit 0x00 0u tmp%1#0)
                 let tmp%8#0: uint64 = (== false#0 tmp%7#0)
                 (assert tmp%8#0)
                 return 
diff --git a/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_11.ir b/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_11.ir
index ebb0e8db90..e480892774 100644
--- a/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_11.ir
+++ b/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_11.ir
@@ -3,17 +3,17 @@ contract test_cases.arc4_types.bool.Arc4BoolTypeContract:
         subroutine test_cases.arc4_types.bool.Arc4BoolTypeContract.approval_program() -> uint64:
             block@0: // L12
                 test_cases.arc4_types.bool.Arc4BoolTypeContract.test_stuff(0x80, 0x00)
-                let array_data%0#10: any = 0xffc0
-                let array_data%0#11: any = (setbit array_data%0#10 10u 1u)
-                let static_boolean_array#0: any = (setbit array_data%0#11 11u 1u)
+                let array_data%0#10: bytes = 0xffc0
+                let array_data%0#11: bytes = (setbit array_data%0#10 10u 1u)
+                let static_boolean_array#0: bytes = (setbit array_data%0#11 11u 1u)
                 let tmp%14#0: uint64 = (== static_boolean_array#0 0xfff0)
                 (assert tmp%14#0)
                 let is_true%10#0: uint64 = (getbit static_boolean_array#0 0u)
-                let tmp%15#0: any = (setbit 0x00 0u is_true%10#0)
+                let tmp%15#0: bytes = (setbit 0x00 0u is_true%10#0)
                 let tmp%17#0: uint64 = (== tmp%15#0 0x80)
                 (assert tmp%17#0) // Single boolean can be unpacked
                 let is_true%11#0: uint64 = (getbit static_boolean_array#0 11u)
-                let tmp%19#0: any = (setbit 0x00 0u is_true%11#0)
+                let tmp%19#0: bytes = (setbit 0x00 0u is_true%11#0)
                 let tmp%21#0: uint64 = (== tmp%19#0 0x80)
                 (assert tmp%21#0) // Single boolean can be unpacked
                 return 1u
@@ -25,10 +25,10 @@ contract test_cases.arc4_types.bool.Arc4BoolTypeContract:
                 let tmp%1#0: uint64 = (getbit false#0 0u)
                 let tmp%2#0: uint64 = (! tmp%1#0)
                 (assert tmp%2#0)
-                let tmp%4#0: any = (setbit 0x00 0u tmp%0#0)
+                let tmp%4#0: bytes = (setbit 0x00 0u tmp%0#0)
                 let tmp%5#0: uint64 = (== true#0 tmp%4#0)
                 (assert tmp%5#0)
-                let tmp%7#0: any = (setbit 0x00 0u tmp%1#0)
+                let tmp%7#0: bytes = (setbit 0x00 0u tmp%1#0)
                 let tmp%8#0: uint64 = (== false#0 tmp%7#0)
                 (assert tmp%8#0)
                 return 
diff --git a/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_12.ir b/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_12.ir
index f90d37f733..905af9105e 100644
--- a/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_12.ir
+++ b/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_12.ir
@@ -3,16 +3,16 @@ contract test_cases.arc4_types.bool.Arc4BoolTypeContract:
         subroutine test_cases.arc4_types.bool.Arc4BoolTypeContract.approval_program() -> uint64:
             block@0: // L12
                 test_cases.arc4_types.bool.Arc4BoolTypeContract.test_stuff(0x80, 0x00)
-                let array_data%0#11: any = 0xffe0
-                let static_boolean_array#0: any = (setbit array_data%0#11 11u 1u)
+                let array_data%0#11: bytes = 0xffe0
+                let static_boolean_array#0: bytes = (setbit array_data%0#11 11u 1u)
                 let tmp%14#0: uint64 = (== static_boolean_array#0 0xfff0)
                 (assert tmp%14#0)
                 let is_true%10#0: uint64 = (getbit static_boolean_array#0 0u)
-                let tmp%15#0: any = (setbit 0x00 0u is_true%10#0)
+                let tmp%15#0: bytes = (setbit 0x00 0u is_true%10#0)
                 let tmp%17#0: uint64 = (== tmp%15#0 0x80)
                 (assert tmp%17#0) // Single boolean can be unpacked
                 let is_true%11#0: uint64 = (getbit static_boolean_array#0 11u)
-                let tmp%19#0: any = (setbit 0x00 0u is_true%11#0)
+                let tmp%19#0: bytes = (setbit 0x00 0u is_true%11#0)
                 let tmp%21#0: uint64 = (== tmp%19#0 0x80)
                 (assert tmp%21#0) // Single boolean can be unpacked
                 return 1u
@@ -24,10 +24,10 @@ contract test_cases.arc4_types.bool.Arc4BoolTypeContract:
                 let tmp%1#0: uint64 = (getbit false#0 0u)
                 let tmp%2#0: uint64 = (! tmp%1#0)
                 (assert tmp%2#0)
-                let tmp%4#0: any = (setbit 0x00 0u tmp%0#0)
+                let tmp%4#0: bytes = (setbit 0x00 0u tmp%0#0)
                 let tmp%5#0: uint64 = (== true#0 tmp%4#0)
                 (assert tmp%5#0)
-                let tmp%7#0: any = (setbit 0x00 0u tmp%1#0)
+                let tmp%7#0: bytes = (setbit 0x00 0u tmp%1#0)
                 let tmp%8#0: uint64 = (== false#0 tmp%7#0)
                 (assert tmp%8#0)
                 return 
diff --git a/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_13.ir b/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_13.ir
index c3c8055f5f..774746959a 100644
--- a/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_13.ir
+++ b/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_13.ir
@@ -3,15 +3,15 @@ contract test_cases.arc4_types.bool.Arc4BoolTypeContract:
         subroutine test_cases.arc4_types.bool.Arc4BoolTypeContract.approval_program() -> uint64:
             block@0: // L12
                 test_cases.arc4_types.bool.Arc4BoolTypeContract.test_stuff(0x80, 0x00)
-                let static_boolean_array#0: any = 0xfff0
+                let static_boolean_array#0: bytes = 0xfff0
                 let tmp%14#0: uint64 = (== static_boolean_array#0 0xfff0)
                 (assert tmp%14#0)
                 let is_true%10#0: uint64 = (getbit static_boolean_array#0 0u)
-                let tmp%15#0: any = (setbit 0x00 0u is_true%10#0)
+                let tmp%15#0: bytes = (setbit 0x00 0u is_true%10#0)
                 let tmp%17#0: uint64 = (== tmp%15#0 0x80)
                 (assert tmp%17#0) // Single boolean can be unpacked
                 let is_true%11#0: uint64 = (getbit static_boolean_array#0 11u)
-                let tmp%19#0: any = (setbit 0x00 0u is_true%11#0)
+                let tmp%19#0: bytes = (setbit 0x00 0u is_true%11#0)
                 let tmp%21#0: uint64 = (== tmp%19#0 0x80)
                 (assert tmp%21#0) // Single boolean can be unpacked
                 return 1u
@@ -23,10 +23,10 @@ contract test_cases.arc4_types.bool.Arc4BoolTypeContract:
                 let tmp%1#0: uint64 = (getbit false#0 0u)
                 let tmp%2#0: uint64 = (! tmp%1#0)
                 (assert tmp%2#0)
-                let tmp%4#0: any = (setbit 0x00 0u tmp%0#0)
+                let tmp%4#0: bytes = (setbit 0x00 0u tmp%0#0)
                 let tmp%5#0: uint64 = (== true#0 tmp%4#0)
                 (assert tmp%5#0)
-                let tmp%7#0: any = (setbit 0x00 0u tmp%1#0)
+                let tmp%7#0: bytes = (setbit 0x00 0u tmp%1#0)
                 let tmp%8#0: uint64 = (== false#0 tmp%7#0)
                 (assert tmp%8#0)
                 return 
diff --git a/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_14.ir b/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_14.ir
index 79d439f0f8..1f977df6fc 100644
--- a/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_14.ir
+++ b/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_14.ir
@@ -6,11 +6,11 @@ contract test_cases.arc4_types.bool.Arc4BoolTypeContract:
                 let tmp%14#0: uint64 = 1u
                 (assert tmp%14#0)
                 let is_true%10#0: uint64 = 1u
-                let tmp%15#0: any = (setbit 0x00 0u is_true%10#0)
+                let tmp%15#0: bytes = (setbit 0x00 0u is_true%10#0)
                 let tmp%17#0: uint64 = (== tmp%15#0 0x80)
                 (assert tmp%17#0) // Single boolean can be unpacked
                 let is_true%11#0: uint64 = 1u
-                let tmp%19#0: any = (setbit 0x00 0u is_true%11#0)
+                let tmp%19#0: bytes = (setbit 0x00 0u is_true%11#0)
                 let tmp%21#0: uint64 = (== tmp%19#0 0x80)
                 (assert tmp%21#0) // Single boolean can be unpacked
                 return 1u
@@ -22,10 +22,10 @@ contract test_cases.arc4_types.bool.Arc4BoolTypeContract:
                 let tmp%1#0: uint64 = (getbit false#0 0u)
                 let tmp%2#0: uint64 = (! tmp%1#0)
                 (assert tmp%2#0)
-                let tmp%4#0: any = (setbit 0x00 0u tmp%0#0)
+                let tmp%4#0: bytes = (setbit 0x00 0u tmp%0#0)
                 let tmp%5#0: uint64 = (== true#0 tmp%4#0)
                 (assert tmp%5#0)
-                let tmp%7#0: any = (setbit 0x00 0u tmp%1#0)
+                let tmp%7#0: bytes = (setbit 0x00 0u tmp%1#0)
                 let tmp%8#0: uint64 = (== false#0 tmp%7#0)
                 (assert tmp%8#0)
                 return 
diff --git a/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_15.ir b/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_15.ir
index 051093d29f..987d4dbaf7 100644
--- a/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_15.ir
+++ b/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_15.ir
@@ -3,10 +3,10 @@ contract test_cases.arc4_types.bool.Arc4BoolTypeContract:
         subroutine test_cases.arc4_types.bool.Arc4BoolTypeContract.approval_program() -> uint64:
             block@0: // L12
                 test_cases.arc4_types.bool.Arc4BoolTypeContract.test_stuff(0x80, 0x00)
-                let tmp%15#0: any = 0x80
+                let tmp%15#0: bytes = 0x80
                 let tmp%17#0: uint64 = (== tmp%15#0 0x80)
                 (assert tmp%17#0) // Single boolean can be unpacked
-                let tmp%19#0: any = 0x80
+                let tmp%19#0: bytes = 0x80
                 let tmp%21#0: uint64 = (== tmp%19#0 0x80)
                 (assert tmp%21#0) // Single boolean can be unpacked
                 return 1u
@@ -18,10 +18,10 @@ contract test_cases.arc4_types.bool.Arc4BoolTypeContract:
                 let tmp%1#0: uint64 = (getbit false#0 0u)
                 let tmp%2#0: uint64 = (! tmp%1#0)
                 (assert tmp%2#0)
-                let tmp%4#0: any = (setbit 0x00 0u tmp%0#0)
+                let tmp%4#0: bytes = (setbit 0x00 0u tmp%0#0)
                 let tmp%5#0: uint64 = (== true#0 tmp%4#0)
                 (assert tmp%5#0)
-                let tmp%7#0: any = (setbit 0x00 0u tmp%1#0)
+                let tmp%7#0: bytes = (setbit 0x00 0u tmp%1#0)
                 let tmp%8#0: uint64 = (== false#0 tmp%7#0)
                 (assert tmp%8#0)
                 return 
diff --git a/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_16.ir b/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_16.ir
index 31594d13ec..8c1c815b92 100644
--- a/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_16.ir
+++ b/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_16.ir
@@ -16,10 +16,10 @@ contract test_cases.arc4_types.bool.Arc4BoolTypeContract:
                 let tmp%1#0: uint64 = (getbit false#0 0u)
                 let tmp%2#0: uint64 = (! tmp%1#0)
                 (assert tmp%2#0)
-                let tmp%4#0: any = (setbit 0x00 0u tmp%0#0)
+                let tmp%4#0: bytes = (setbit 0x00 0u tmp%0#0)
                 let tmp%5#0: uint64 = (== true#0 tmp%4#0)
                 (assert tmp%5#0)
-                let tmp%7#0: any = (setbit 0x00 0u tmp%1#0)
+                let tmp%7#0: bytes = (setbit 0x00 0u tmp%1#0)
                 let tmp%8#0: uint64 = (== false#0 tmp%7#0)
                 (assert tmp%8#0)
                 return 
diff --git a/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_17.ir b/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_17.ir
index 8428fd8dfc..1554ca7754 100644
--- a/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_17.ir
+++ b/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_17.ir
@@ -12,10 +12,10 @@ contract test_cases.arc4_types.bool.Arc4BoolTypeContract:
                 let tmp%1#0: uint64 = (getbit false#0 0u)
                 let tmp%2#0: uint64 = (! tmp%1#0)
                 (assert tmp%2#0)
-                let tmp%4#0: any = (setbit 0x00 0u tmp%0#0)
+                let tmp%4#0: bytes = (setbit 0x00 0u tmp%0#0)
                 let tmp%5#0: uint64 = (== true#0 tmp%4#0)
                 (assert tmp%5#0)
-                let tmp%7#0: any = (setbit 0x00 0u tmp%1#0)
+                let tmp%7#0: bytes = (setbit 0x00 0u tmp%1#0)
                 let tmp%8#0: uint64 = (== false#0 tmp%7#0)
                 (assert tmp%8#0)
                 return 
diff --git a/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_2.ir b/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_2.ir
index 81c9d722c8..fbc53bc2e5 100644
--- a/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_2.ir
+++ b/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_2.ir
@@ -4,43 +4,43 @@ contract test_cases.arc4_types.bool.Arc4BoolTypeContract:
             block@0: // L12
                 test_cases.arc4_types.bool.Arc4BoolTypeContract.test_stuff(0x80, 0x00)
                 let is_true%0#0: uint64 = 1u
-                let array_data%0#2: any = (setbit 0x80 1u is_true%0#0)
+                let array_data%0#2: bytes = (setbit 0x80 1u is_true%0#0)
                 let is_true%1#0: uint64 = 1u
-                let array_data%0#3: any = (setbit array_data%0#2 2u is_true%1#0)
+                let array_data%0#3: bytes = (setbit array_data%0#2 2u is_true%1#0)
                 let is_true%2#0: uint64 = 1u
-                let array_data%0#4: any = (setbit array_data%0#3 3u is_true%2#0)
+                let array_data%0#4: bytes = (setbit array_data%0#3 3u is_true%2#0)
                 let is_true%3#0: uint64 = 1u
-                let array_data%0#5: any = (setbit array_data%0#4 4u is_true%3#0)
+                let array_data%0#5: bytes = (setbit array_data%0#4 4u is_true%3#0)
                 let is_true%4#0: uint64 = 1u
-                let array_data%0#6: any = (setbit array_data%0#5 5u is_true%4#0)
+                let array_data%0#6: bytes = (setbit array_data%0#5 5u is_true%4#0)
                 let is_true%5#0: uint64 = 1u
-                let array_data%0#7: any = (setbit array_data%0#6 6u is_true%5#0)
+                let array_data%0#7: bytes = (setbit array_data%0#6 6u is_true%5#0)
                 let is_true%6#0: uint64 = 1u
-                let array_data%0#8: any = (setbit array_data%0#7 7u is_true%6#0)
+                let array_data%0#8: bytes = (setbit array_data%0#7 7u is_true%6#0)
                 let array_data%0#9: bytes = (concat array_data%0#8 0x80)
                 let is_true%7#0: uint64 = 1u
-                let array_data%0#10: any = (setbit array_data%0#9 9u is_true%7#0)
+                let array_data%0#10: bytes = (setbit array_data%0#9 9u is_true%7#0)
                 let is_true%8#0: uint64 = 1u
-                let array_data%0#11: any = (setbit array_data%0#10 10u is_true%8#0)
+                let array_data%0#11: bytes = (setbit array_data%0#10 10u is_true%8#0)
                 let is_true%9#0: uint64 = 1u
-                let static_boolean_array#0: any = (setbit array_data%0#11 11u is_true%9#0)
+                let static_boolean_array#0: bytes = (setbit array_data%0#11 11u is_true%9#0)
                 let tmp%14#0: uint64 = (== static_boolean_array#0 0xfff0)
                 (assert tmp%14#0)
                 let is_true%10#0: uint64 = (getbit static_boolean_array#0 0u)
-                let tmp%15#0: any = (setbit 0x00 0u is_true%10#0)
+                let tmp%15#0: bytes = (setbit 0x00 0u is_true%10#0)
                 let tmp%17#0: uint64 = (== tmp%15#0 0x80)
                 (assert tmp%17#0) // Single boolean can be unpacked
                 let index_is_in_bounds%0#0: uint64 = 1u
                 (assert index_is_in_bounds%0#0) // Index access is out of bounds
                 let is_true%11#0: uint64 = (getbit static_boolean_array#0 11u)
-                let tmp%19#0: any = (setbit 0x00 0u is_true%11#0)
+                let tmp%19#0: bytes = (setbit 0x00 0u is_true%11#0)
                 let tmp%21#0: uint64 = (== tmp%19#0 0x80)
                 (assert tmp%21#0) // Single boolean can be unpacked
                 let array_data%1#1: bytes = 0x000380
                 let is_true%12#0: uint64 = 0u
-                let array_data%1#2: any = (setbit array_data%1#1 17u is_true%12#0)
+                let array_data%1#2: bytes = (setbit array_data%1#1 17u is_true%12#0)
                 let is_true%13#0: uint64 = 1u
-                let dynamic_boolean_array#0: any = (setbit array_data%1#2 18u is_true%13#0)
+                let dynamic_boolean_array#0: bytes = (setbit array_data%1#2 18u is_true%13#0)
                 let tmp%25#0: uint64 = (== dynamic_boolean_array#0 0x0003a0)
                 (assert tmp%25#0)
                 return 1u
@@ -52,10 +52,10 @@ contract test_cases.arc4_types.bool.Arc4BoolTypeContract:
                 let tmp%1#0: uint64 = (getbit false#0 0u)
                 let tmp%2#0: uint64 = (! tmp%1#0)
                 (assert tmp%2#0)
-                let tmp%4#0: any = (setbit 0x00 0u tmp%0#0)
+                let tmp%4#0: bytes = (setbit 0x00 0u tmp%0#0)
                 let tmp%5#0: uint64 = (== true#0 tmp%4#0)
                 (assert tmp%5#0)
-                let tmp%7#0: any = (setbit 0x00 0u tmp%1#0)
+                let tmp%7#0: bytes = (setbit 0x00 0u tmp%1#0)
                 let tmp%8#0: uint64 = (== false#0 tmp%7#0)
                 (assert tmp%8#0)
                 return 
diff --git a/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_3.ir b/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_3.ir
index f8db298d75..66aced9b20 100644
--- a/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_3.ir
+++ b/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_3.ir
@@ -3,29 +3,29 @@ contract test_cases.arc4_types.bool.Arc4BoolTypeContract:
         subroutine test_cases.arc4_types.bool.Arc4BoolTypeContract.approval_program() -> uint64:
             block@0: // L12
                 test_cases.arc4_types.bool.Arc4BoolTypeContract.test_stuff(0x80, 0x00)
-                let array_data%0#2: any = 0xc0
-                let array_data%0#3: any = (setbit array_data%0#2 2u 1u)
-                let array_data%0#4: any = (setbit array_data%0#3 3u 1u)
-                let array_data%0#5: any = (setbit array_data%0#4 4u 1u)
-                let array_data%0#6: any = (setbit array_data%0#5 5u 1u)
-                let array_data%0#7: any = (setbit array_data%0#6 6u 1u)
-                let array_data%0#8: any = (setbit array_data%0#7 7u 1u)
+                let array_data%0#2: bytes = 0xc0
+                let array_data%0#3: bytes = (setbit array_data%0#2 2u 1u)
+                let array_data%0#4: bytes = (setbit array_data%0#3 3u 1u)
+                let array_data%0#5: bytes = (setbit array_data%0#4 4u 1u)
+                let array_data%0#6: bytes = (setbit array_data%0#5 5u 1u)
+                let array_data%0#7: bytes = (setbit array_data%0#6 6u 1u)
+                let array_data%0#8: bytes = (setbit array_data%0#7 7u 1u)
                 let array_data%0#9: bytes = (concat array_data%0#8 0x80)
-                let array_data%0#10: any = (setbit array_data%0#9 9u 1u)
-                let array_data%0#11: any = (setbit array_data%0#10 10u 1u)
-                let static_boolean_array#0: any = (setbit array_data%0#11 11u 1u)
+                let array_data%0#10: bytes = (setbit array_data%0#9 9u 1u)
+                let array_data%0#11: bytes = (setbit array_data%0#10 10u 1u)
+                let static_boolean_array#0: bytes = (setbit array_data%0#11 11u 1u)
                 let tmp%14#0: uint64 = (== static_boolean_array#0 0xfff0)
                 (assert tmp%14#0)
                 let is_true%10#0: uint64 = (getbit static_boolean_array#0 0u)
-                let tmp%15#0: any = (setbit 0x00 0u is_true%10#0)
+                let tmp%15#0: bytes = (setbit 0x00 0u is_true%10#0)
                 let tmp%17#0: uint64 = (== tmp%15#0 0x80)
                 (assert tmp%17#0) // Single boolean can be unpacked
                 let is_true%11#0: uint64 = (getbit static_boolean_array#0 11u)
-                let tmp%19#0: any = (setbit 0x00 0u is_true%11#0)
+                let tmp%19#0: bytes = (setbit 0x00 0u is_true%11#0)
                 let tmp%21#0: uint64 = (== tmp%19#0 0x80)
                 (assert tmp%21#0) // Single boolean can be unpacked
-                let array_data%1#2: any = 0x000380
-                let dynamic_boolean_array#0: any = (setbit array_data%1#2 18u 1u)
+                let array_data%1#2: bytes = 0x000380
+                let dynamic_boolean_array#0: bytes = (setbit array_data%1#2 18u 1u)
                 let tmp%25#0: uint64 = (== dynamic_boolean_array#0 0x0003a0)
                 (assert tmp%25#0)
                 return 1u
@@ -37,10 +37,10 @@ contract test_cases.arc4_types.bool.Arc4BoolTypeContract:
                 let tmp%1#0: uint64 = (getbit false#0 0u)
                 let tmp%2#0: uint64 = (! tmp%1#0)
                 (assert tmp%2#0)
-                let tmp%4#0: any = (setbit 0x00 0u tmp%0#0)
+                let tmp%4#0: bytes = (setbit 0x00 0u tmp%0#0)
                 let tmp%5#0: uint64 = (== true#0 tmp%4#0)
                 (assert tmp%5#0)
-                let tmp%7#0: any = (setbit 0x00 0u tmp%1#0)
+                let tmp%7#0: bytes = (setbit 0x00 0u tmp%1#0)
                 let tmp%8#0: uint64 = (== false#0 tmp%7#0)
                 (assert tmp%8#0)
                 return 
diff --git a/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_4.ir b/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_4.ir
index d4cecb7a38..1dc13c84e4 100644
--- a/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_4.ir
+++ b/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_4.ir
@@ -3,27 +3,27 @@ contract test_cases.arc4_types.bool.Arc4BoolTypeContract:
         subroutine test_cases.arc4_types.bool.Arc4BoolTypeContract.approval_program() -> uint64:
             block@0: // L12
                 test_cases.arc4_types.bool.Arc4BoolTypeContract.test_stuff(0x80, 0x00)
-                let array_data%0#3: any = 0xe0
-                let array_data%0#4: any = (setbit array_data%0#3 3u 1u)
-                let array_data%0#5: any = (setbit array_data%0#4 4u 1u)
-                let array_data%0#6: any = (setbit array_data%0#5 5u 1u)
-                let array_data%0#7: any = (setbit array_data%0#6 6u 1u)
-                let array_data%0#8: any = (setbit array_data%0#7 7u 1u)
+                let array_data%0#3: bytes = 0xe0
+                let array_data%0#4: bytes = (setbit array_data%0#3 3u 1u)
+                let array_data%0#5: bytes = (setbit array_data%0#4 4u 1u)
+                let array_data%0#6: bytes = (setbit array_data%0#5 5u 1u)
+                let array_data%0#7: bytes = (setbit array_data%0#6 6u 1u)
+                let array_data%0#8: bytes = (setbit array_data%0#7 7u 1u)
                 let array_data%0#9: bytes = (concat array_data%0#8 0x80)
-                let array_data%0#10: any = (setbit array_data%0#9 9u 1u)
-                let array_data%0#11: any = (setbit array_data%0#10 10u 1u)
-                let static_boolean_array#0: any = (setbit array_data%0#11 11u 1u)
+                let array_data%0#10: bytes = (setbit array_data%0#9 9u 1u)
+                let array_data%0#11: bytes = (setbit array_data%0#10 10u 1u)
+                let static_boolean_array#0: bytes = (setbit array_data%0#11 11u 1u)
                 let tmp%14#0: uint64 = (== static_boolean_array#0 0xfff0)
                 (assert tmp%14#0)
                 let is_true%10#0: uint64 = (getbit static_boolean_array#0 0u)
-                let tmp%15#0: any = (setbit 0x00 0u is_true%10#0)
+                let tmp%15#0: bytes = (setbit 0x00 0u is_true%10#0)
                 let tmp%17#0: uint64 = (== tmp%15#0 0x80)
                 (assert tmp%17#0) // Single boolean can be unpacked
                 let is_true%11#0: uint64 = (getbit static_boolean_array#0 11u)
-                let tmp%19#0: any = (setbit 0x00 0u is_true%11#0)
+                let tmp%19#0: bytes = (setbit 0x00 0u is_true%11#0)
                 let tmp%21#0: uint64 = (== tmp%19#0 0x80)
                 (assert tmp%21#0) // Single boolean can be unpacked
-                let dynamic_boolean_array#0: any = 0x0003a0
+                let dynamic_boolean_array#0: bytes = 0x0003a0
                 let tmp%25#0: uint64 = (== dynamic_boolean_array#0 0x0003a0)
                 (assert tmp%25#0)
                 return 1u
@@ -35,10 +35,10 @@ contract test_cases.arc4_types.bool.Arc4BoolTypeContract:
                 let tmp%1#0: uint64 = (getbit false#0 0u)
                 let tmp%2#0: uint64 = (! tmp%1#0)
                 (assert tmp%2#0)
-                let tmp%4#0: any = (setbit 0x00 0u tmp%0#0)
+                let tmp%4#0: bytes = (setbit 0x00 0u tmp%0#0)
                 let tmp%5#0: uint64 = (== true#0 tmp%4#0)
                 (assert tmp%5#0)
-                let tmp%7#0: any = (setbit 0x00 0u tmp%1#0)
+                let tmp%7#0: bytes = (setbit 0x00 0u tmp%1#0)
                 let tmp%8#0: uint64 = (== false#0 tmp%7#0)
                 (assert tmp%8#0)
                 return 
diff --git a/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_5.ir b/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_5.ir
index 8a2a75a7b6..9d1499ff95 100644
--- a/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_5.ir
+++ b/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_5.ir
@@ -3,23 +3,23 @@ contract test_cases.arc4_types.bool.Arc4BoolTypeContract:
         subroutine test_cases.arc4_types.bool.Arc4BoolTypeContract.approval_program() -> uint64:
             block@0: // L12
                 test_cases.arc4_types.bool.Arc4BoolTypeContract.test_stuff(0x80, 0x00)
-                let array_data%0#4: any = 0xf0
-                let array_data%0#5: any = (setbit array_data%0#4 4u 1u)
-                let array_data%0#6: any = (setbit array_data%0#5 5u 1u)
-                let array_data%0#7: any = (setbit array_data%0#6 6u 1u)
-                let array_data%0#8: any = (setbit array_data%0#7 7u 1u)
+                let array_data%0#4: bytes = 0xf0
+                let array_data%0#5: bytes = (setbit array_data%0#4 4u 1u)
+                let array_data%0#6: bytes = (setbit array_data%0#5 5u 1u)
+                let array_data%0#7: bytes = (setbit array_data%0#6 6u 1u)
+                let array_data%0#8: bytes = (setbit array_data%0#7 7u 1u)
                 let array_data%0#9: bytes = (concat array_data%0#8 0x80)
-                let array_data%0#10: any = (setbit array_data%0#9 9u 1u)
-                let array_data%0#11: any = (setbit array_data%0#10 10u 1u)
-                let static_boolean_array#0: any = (setbit array_data%0#11 11u 1u)
+                let array_data%0#10: bytes = (setbit array_data%0#9 9u 1u)
+                let array_data%0#11: bytes = (setbit array_data%0#10 10u 1u)
+                let static_boolean_array#0: bytes = (setbit array_data%0#11 11u 1u)
                 let tmp%14#0: uint64 = (== static_boolean_array#0 0xfff0)
                 (assert tmp%14#0)
                 let is_true%10#0: uint64 = (getbit static_boolean_array#0 0u)
-                let tmp%15#0: any = (setbit 0x00 0u is_true%10#0)
+                let tmp%15#0: bytes = (setbit 0x00 0u is_true%10#0)
                 let tmp%17#0: uint64 = (== tmp%15#0 0x80)
                 (assert tmp%17#0) // Single boolean can be unpacked
                 let is_true%11#0: uint64 = (getbit static_boolean_array#0 11u)
-                let tmp%19#0: any = (setbit 0x00 0u is_true%11#0)
+                let tmp%19#0: bytes = (setbit 0x00 0u is_true%11#0)
                 let tmp%21#0: uint64 = (== tmp%19#0 0x80)
                 (assert tmp%21#0) // Single boolean can be unpacked
                 let tmp%25#0: uint64 = 1u
@@ -33,10 +33,10 @@ contract test_cases.arc4_types.bool.Arc4BoolTypeContract:
                 let tmp%1#0: uint64 = (getbit false#0 0u)
                 let tmp%2#0: uint64 = (! tmp%1#0)
                 (assert tmp%2#0)
-                let tmp%4#0: any = (setbit 0x00 0u tmp%0#0)
+                let tmp%4#0: bytes = (setbit 0x00 0u tmp%0#0)
                 let tmp%5#0: uint64 = (== true#0 tmp%4#0)
                 (assert tmp%5#0)
-                let tmp%7#0: any = (setbit 0x00 0u tmp%1#0)
+                let tmp%7#0: bytes = (setbit 0x00 0u tmp%1#0)
                 let tmp%8#0: uint64 = (== false#0 tmp%7#0)
                 (assert tmp%8#0)
                 return 
diff --git a/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_6.ir b/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_6.ir
index f3d5189b9d..f0275cd489 100644
--- a/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_6.ir
+++ b/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_6.ir
@@ -3,22 +3,22 @@ contract test_cases.arc4_types.bool.Arc4BoolTypeContract:
         subroutine test_cases.arc4_types.bool.Arc4BoolTypeContract.approval_program() -> uint64:
             block@0: // L12
                 test_cases.arc4_types.bool.Arc4BoolTypeContract.test_stuff(0x80, 0x00)
-                let array_data%0#5: any = 0xf8
-                let array_data%0#6: any = (setbit array_data%0#5 5u 1u)
-                let array_data%0#7: any = (setbit array_data%0#6 6u 1u)
-                let array_data%0#8: any = (setbit array_data%0#7 7u 1u)
+                let array_data%0#5: bytes = 0xf8
+                let array_data%0#6: bytes = (setbit array_data%0#5 5u 1u)
+                let array_data%0#7: bytes = (setbit array_data%0#6 6u 1u)
+                let array_data%0#8: bytes = (setbit array_data%0#7 7u 1u)
                 let array_data%0#9: bytes = (concat array_data%0#8 0x80)
-                let array_data%0#10: any = (setbit array_data%0#9 9u 1u)
-                let array_data%0#11: any = (setbit array_data%0#10 10u 1u)
-                let static_boolean_array#0: any = (setbit array_data%0#11 11u 1u)
+                let array_data%0#10: bytes = (setbit array_data%0#9 9u 1u)
+                let array_data%0#11: bytes = (setbit array_data%0#10 10u 1u)
+                let static_boolean_array#0: bytes = (setbit array_data%0#11 11u 1u)
                 let tmp%14#0: uint64 = (== static_boolean_array#0 0xfff0)
                 (assert tmp%14#0)
                 let is_true%10#0: uint64 = (getbit static_boolean_array#0 0u)
-                let tmp%15#0: any = (setbit 0x00 0u is_true%10#0)
+                let tmp%15#0: bytes = (setbit 0x00 0u is_true%10#0)
                 let tmp%17#0: uint64 = (== tmp%15#0 0x80)
                 (assert tmp%17#0) // Single boolean can be unpacked
                 let is_true%11#0: uint64 = (getbit static_boolean_array#0 11u)
-                let tmp%19#0: any = (setbit 0x00 0u is_true%11#0)
+                let tmp%19#0: bytes = (setbit 0x00 0u is_true%11#0)
                 let tmp%21#0: uint64 = (== tmp%19#0 0x80)
                 (assert tmp%21#0) // Single boolean can be unpacked
                 return 1u
@@ -30,10 +30,10 @@ contract test_cases.arc4_types.bool.Arc4BoolTypeContract:
                 let tmp%1#0: uint64 = (getbit false#0 0u)
                 let tmp%2#0: uint64 = (! tmp%1#0)
                 (assert tmp%2#0)
-                let tmp%4#0: any = (setbit 0x00 0u tmp%0#0)
+                let tmp%4#0: bytes = (setbit 0x00 0u tmp%0#0)
                 let tmp%5#0: uint64 = (== true#0 tmp%4#0)
                 (assert tmp%5#0)
-                let tmp%7#0: any = (setbit 0x00 0u tmp%1#0)
+                let tmp%7#0: bytes = (setbit 0x00 0u tmp%1#0)
                 let tmp%8#0: uint64 = (== false#0 tmp%7#0)
                 (assert tmp%8#0)
                 return 
diff --git a/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_7.ir b/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_7.ir
index b90407dc46..4abf665471 100644
--- a/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_7.ir
+++ b/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_7.ir
@@ -3,21 +3,21 @@ contract test_cases.arc4_types.bool.Arc4BoolTypeContract:
         subroutine test_cases.arc4_types.bool.Arc4BoolTypeContract.approval_program() -> uint64:
             block@0: // L12
                 test_cases.arc4_types.bool.Arc4BoolTypeContract.test_stuff(0x80, 0x00)
-                let array_data%0#6: any = 0xfc
-                let array_data%0#7: any = (setbit array_data%0#6 6u 1u)
-                let array_data%0#8: any = (setbit array_data%0#7 7u 1u)
+                let array_data%0#6: bytes = 0xfc
+                let array_data%0#7: bytes = (setbit array_data%0#6 6u 1u)
+                let array_data%0#8: bytes = (setbit array_data%0#7 7u 1u)
                 let array_data%0#9: bytes = (concat array_data%0#8 0x80)
-                let array_data%0#10: any = (setbit array_data%0#9 9u 1u)
-                let array_data%0#11: any = (setbit array_data%0#10 10u 1u)
-                let static_boolean_array#0: any = (setbit array_data%0#11 11u 1u)
+                let array_data%0#10: bytes = (setbit array_data%0#9 9u 1u)
+                let array_data%0#11: bytes = (setbit array_data%0#10 10u 1u)
+                let static_boolean_array#0: bytes = (setbit array_data%0#11 11u 1u)
                 let tmp%14#0: uint64 = (== static_boolean_array#0 0xfff0)
                 (assert tmp%14#0)
                 let is_true%10#0: uint64 = (getbit static_boolean_array#0 0u)
-                let tmp%15#0: any = (setbit 0x00 0u is_true%10#0)
+                let tmp%15#0: bytes = (setbit 0x00 0u is_true%10#0)
                 let tmp%17#0: uint64 = (== tmp%15#0 0x80)
                 (assert tmp%17#0) // Single boolean can be unpacked
                 let is_true%11#0: uint64 = (getbit static_boolean_array#0 11u)
-                let tmp%19#0: any = (setbit 0x00 0u is_true%11#0)
+                let tmp%19#0: bytes = (setbit 0x00 0u is_true%11#0)
                 let tmp%21#0: uint64 = (== tmp%19#0 0x80)
                 (assert tmp%21#0) // Single boolean can be unpacked
                 return 1u
@@ -29,10 +29,10 @@ contract test_cases.arc4_types.bool.Arc4BoolTypeContract:
                 let tmp%1#0: uint64 = (getbit false#0 0u)
                 let tmp%2#0: uint64 = (! tmp%1#0)
                 (assert tmp%2#0)
-                let tmp%4#0: any = (setbit 0x00 0u tmp%0#0)
+                let tmp%4#0: bytes = (setbit 0x00 0u tmp%0#0)
                 let tmp%5#0: uint64 = (== true#0 tmp%4#0)
                 (assert tmp%5#0)
-                let tmp%7#0: any = (setbit 0x00 0u tmp%1#0)
+                let tmp%7#0: bytes = (setbit 0x00 0u tmp%1#0)
                 let tmp%8#0: uint64 = (== false#0 tmp%7#0)
                 (assert tmp%8#0)
                 return 
diff --git a/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_8.ir b/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_8.ir
index e64291d60d..87eebaac66 100644
--- a/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_8.ir
+++ b/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_8.ir
@@ -3,20 +3,20 @@ contract test_cases.arc4_types.bool.Arc4BoolTypeContract:
         subroutine test_cases.arc4_types.bool.Arc4BoolTypeContract.approval_program() -> uint64:
             block@0: // L12
                 test_cases.arc4_types.bool.Arc4BoolTypeContract.test_stuff(0x80, 0x00)
-                let array_data%0#7: any = 0xfe
-                let array_data%0#8: any = (setbit array_data%0#7 7u 1u)
+                let array_data%0#7: bytes = 0xfe
+                let array_data%0#8: bytes = (setbit array_data%0#7 7u 1u)
                 let array_data%0#9: bytes = (concat array_data%0#8 0x80)
-                let array_data%0#10: any = (setbit array_data%0#9 9u 1u)
-                let array_data%0#11: any = (setbit array_data%0#10 10u 1u)
-                let static_boolean_array#0: any = (setbit array_data%0#11 11u 1u)
+                let array_data%0#10: bytes = (setbit array_data%0#9 9u 1u)
+                let array_data%0#11: bytes = (setbit array_data%0#10 10u 1u)
+                let static_boolean_array#0: bytes = (setbit array_data%0#11 11u 1u)
                 let tmp%14#0: uint64 = (== static_boolean_array#0 0xfff0)
                 (assert tmp%14#0)
                 let is_true%10#0: uint64 = (getbit static_boolean_array#0 0u)
-                let tmp%15#0: any = (setbit 0x00 0u is_true%10#0)
+                let tmp%15#0: bytes = (setbit 0x00 0u is_true%10#0)
                 let tmp%17#0: uint64 = (== tmp%15#0 0x80)
                 (assert tmp%17#0) // Single boolean can be unpacked
                 let is_true%11#0: uint64 = (getbit static_boolean_array#0 11u)
-                let tmp%19#0: any = (setbit 0x00 0u is_true%11#0)
+                let tmp%19#0: bytes = (setbit 0x00 0u is_true%11#0)
                 let tmp%21#0: uint64 = (== tmp%19#0 0x80)
                 (assert tmp%21#0) // Single boolean can be unpacked
                 return 1u
@@ -28,10 +28,10 @@ contract test_cases.arc4_types.bool.Arc4BoolTypeContract:
                 let tmp%1#0: uint64 = (getbit false#0 0u)
                 let tmp%2#0: uint64 = (! tmp%1#0)
                 (assert tmp%2#0)
-                let tmp%4#0: any = (setbit 0x00 0u tmp%0#0)
+                let tmp%4#0: bytes = (setbit 0x00 0u tmp%0#0)
                 let tmp%5#0: uint64 = (== true#0 tmp%4#0)
                 (assert tmp%5#0)
-                let tmp%7#0: any = (setbit 0x00 0u tmp%1#0)
+                let tmp%7#0: bytes = (setbit 0x00 0u tmp%1#0)
                 let tmp%8#0: uint64 = (== false#0 tmp%7#0)
                 (assert tmp%8#0)
                 return 
diff --git a/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_9.ir b/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_9.ir
index 7dfd81935d..b12035634a 100644
--- a/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_9.ir
+++ b/test_cases/arc4_types/out/Arc4BoolTypeContract.ssa.opt_pass_9.ir
@@ -3,19 +3,19 @@ contract test_cases.arc4_types.bool.Arc4BoolTypeContract:
         subroutine test_cases.arc4_types.bool.Arc4BoolTypeContract.approval_program() -> uint64:
             block@0: // L12
                 test_cases.arc4_types.bool.Arc4BoolTypeContract.test_stuff(0x80, 0x00)
-                let array_data%0#8: any = 0xff
+                let array_data%0#8: bytes = 0xff
                 let array_data%0#9: bytes = (concat array_data%0#8 0x80)
-                let array_data%0#10: any = (setbit array_data%0#9 9u 1u)
-                let array_data%0#11: any = (setbit array_data%0#10 10u 1u)
-                let static_boolean_array#0: any = (setbit array_data%0#11 11u 1u)
+                let array_data%0#10: bytes = (setbit array_data%0#9 9u 1u)
+                let array_data%0#11: bytes = (setbit array_data%0#10 10u 1u)
+                let static_boolean_array#0: bytes = (setbit array_data%0#11 11u 1u)
                 let tmp%14#0: uint64 = (== static_boolean_array#0 0xfff0)
                 (assert tmp%14#0)
                 let is_true%10#0: uint64 = (getbit static_boolean_array#0 0u)
-                let tmp%15#0: any = (setbit 0x00 0u is_true%10#0)
+                let tmp%15#0: bytes = (setbit 0x00 0u is_true%10#0)
                 let tmp%17#0: uint64 = (== tmp%15#0 0x80)
                 (assert tmp%17#0) // Single boolean can be unpacked
                 let is_true%11#0: uint64 = (getbit static_boolean_array#0 11u)
-                let tmp%19#0: any = (setbit 0x00 0u is_true%11#0)
+                let tmp%19#0: bytes = (setbit 0x00 0u is_true%11#0)
                 let tmp%21#0: uint64 = (== tmp%19#0 0x80)
                 (assert tmp%21#0) // Single boolean can be unpacked
                 return 1u
@@ -27,10 +27,10 @@ contract test_cases.arc4_types.bool.Arc4BoolTypeContract:
                 let tmp%1#0: uint64 = (getbit false#0 0u)
                 let tmp%2#0: uint64 = (! tmp%1#0)
                 (assert tmp%2#0)
-                let tmp%4#0: any = (setbit 0x00 0u tmp%0#0)
+                let tmp%4#0: bytes = (setbit 0x00 0u tmp%0#0)
                 let tmp%5#0: uint64 = (== true#0 tmp%4#0)
                 (assert tmp%5#0)
-                let tmp%7#0: any = (setbit 0x00 0u tmp%1#0)
+                let tmp%7#0: bytes = (setbit 0x00 0u tmp%1#0)
                 let tmp%8#0: uint64 = (== false#0 tmp%7#0)
                 (assert tmp%8#0)
                 return 
diff --git a/test_cases/arc4_types/out/Arc4MutableParamsContract.ssa.ir b/test_cases/arc4_types/out/Arc4MutableParamsContract.ssa.ir
index 81dfe43c48..3f8a8061b4 100644
--- a/test_cases/arc4_types/out/Arc4MutableParamsContract.ssa.ir
+++ b/test_cases/arc4_types/out/Arc4MutableParamsContract.ssa.ir
@@ -13,7 +13,7 @@ contract test_cases.arc4_types.mutable_params.Arc4MutableParamsContract:
                 let array_data%0#3: bytes = (concat array_data%0#2 0x03)
                 let array_data%0#4: bytes = (concat array_data%0#3 0x04)
                 let my_array#0: bytes = array_data%0#4
-                let tmp%0#0: any = (setbit 0x00 0u 1u)
+                let tmp%0#0: bytes = (setbit 0x00 0u 1u)
                 let current_tail_offset%0#0: uint64 = 6u
                 let encoded_tuple_buffer%0#0: bytes = 0x
                 let encoded_tuple_buffer%0#1: bytes = (concat encoded_tuple_buffer%0#0 tmp%0#0)
diff --git a/test_cases/arc4_types/out/Arc4MutableParamsContract.ssa.opt_pass_1.ir b/test_cases/arc4_types/out/Arc4MutableParamsContract.ssa.opt_pass_1.ir
index b2657746ed..992cb21817 100644
--- a/test_cases/arc4_types/out/Arc4MutableParamsContract.ssa.opt_pass_1.ir
+++ b/test_cases/arc4_types/out/Arc4MutableParamsContract.ssa.opt_pass_1.ir
@@ -11,7 +11,7 @@ contract test_cases.arc4_types.mutable_params.Arc4MutableParamsContract:
                 let array_data%0#2: bytes = (concat array_data%0#1 0x02)
                 let array_data%0#3: bytes = (concat array_data%0#2 0x03)
                 let my_array#0: bytes = (concat array_data%0#3 0x04)
-                let tmp%0#0: any = 0x80
+                let tmp%0#0: bytes = 0x80
                 let encoded_tuple_buffer%0#1: bytes = tmp%0#0
                 let encoded_tuple_buffer%0#2: bytes = (concat encoded_tuple_buffer%0#1 0x32)
                 let value_as_uint16%0#0: bytes = 0x0006
diff --git a/test_cases/arc4_types/out/Arc4MutationContract.ssa.ir b/test_cases/arc4_types/out/Arc4MutationContract.ssa.ir
index e2a51b5243..a75670a905 100644
--- a/test_cases/arc4_types/out/Arc4MutationContract.ssa.ir
+++ b/test_cases/arc4_types/out/Arc4MutationContract.ssa.ir
@@ -90,17 +90,17 @@ contract test_cases.arc4_types.mutation.Arc4MutationContract:
         
         subroutine test_cases.arc4_types.mutation.Arc4MutationContract.dynamic_array_bool() -> void:
             block@0: // L166
-                let tmp%0#0: any = (setbit 0x00 0u 1u)
-                let tmp%1#0: any = (setbit 0x00 0u 0u)
+                let tmp%0#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%1#0: bytes = (setbit 0x00 0u 0u)
                 let array_data%0#0: bytes = 0x0002
                 let array_data%0#1: bytes = (concat array_data%0#0 tmp%0#0)
                 let is_true%0#0: uint64 = (getbit tmp%1#0 0u)
-                let array_data%0#2: any = (setbit array_data%0#1 17u is_true%0#0)
-                let dynamic_bool_array#0: any = array_data%0#2
+                let array_data%0#2: bytes = (setbit array_data%0#1 17u is_true%0#0)
+                let dynamic_bool_array#0: bytes = array_data%0#2
                 let tmp%2#0: uint64 = (== dynamic_bool_array#0 0x000280)
                 (assert tmp%2#0)
-                let tmp%3#0: any = (setbit 0x00 0u 1u)
-                let tmp%4#0: any = (setbit 0x00 0u 0u)
+                let tmp%3#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%4#0: bytes = (setbit 0x00 0u 0u)
                 let data%0#0: bytes = 0x
                 let data%0#1: bytes = (concat data%0#0 tmp%3#0)
                 let data%0#2: bytes = (concat data%0#1 tmp%4#0)
@@ -108,114 +108,114 @@ contract test_cases.arc4_types.mutation.Arc4MutationContract:
                 let dynamic_bool_array#1: bytes = concat_result%0#0
                 let tmp%5#0: uint64 = (== dynamic_bool_array#1 0x0004a0)
                 (assert tmp%5#0)
-                let tmp%6#0: any = (setbit 0x00 0u 1u)
-                let tmp%7#0: any = (setbit 0x00 0u 0u)
-                let tmp%8#0: any = (setbit 0x00 0u 1u)
-                let tmp%9#0: any = (setbit 0x00 0u 0u)
+                let tmp%6#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%7#0: bytes = (setbit 0x00 0u 0u)
+                let tmp%8#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%9#0: bytes = (setbit 0x00 0u 0u)
                 let array_data%1#0: bytes = 0x0004
                 let array_data%1#1: bytes = (concat array_data%1#0 tmp%6#0)
                 let is_true%1#0: uint64 = (getbit tmp%7#0 0u)
-                let array_data%1#2: any = (setbit array_data%1#1 17u is_true%1#0)
+                let array_data%1#2: bytes = (setbit array_data%1#1 17u is_true%1#0)
                 let is_true%2#0: uint64 = (getbit tmp%8#0 0u)
-                let array_data%1#3: any = (setbit array_data%1#2 18u is_true%2#0)
+                let array_data%1#3: bytes = (setbit array_data%1#2 18u is_true%2#0)
                 let is_true%3#0: uint64 = (getbit tmp%9#0 0u)
-                let array_data%1#4: any = (setbit array_data%1#3 19u is_true%3#0)
+                let array_data%1#4: bytes = (setbit array_data%1#3 19u is_true%3#0)
                 let tmp%10#0: uint64 = (== dynamic_bool_array#1 array_data%1#4)
                 (assert tmp%10#0)
                 let array_length%0#0: uint64 = (extract_uint16 dynamic_bool_array#1 0u)
                 let data%1#0: bytes = ((extract 2 0) dynamic_bool_array#1)
                 let concat_result%1#0: bytes = algopy_lib_arc4.dynamic_array_concat_bits(dynamic_bool_array#1, data%1#0, array_length%0#0, 1u)
                 let dynamic_bool_array#2: bytes = concat_result%1#0
-                let tmp%11#0: any = (setbit 0x00 0u 1u)
-                let tmp%12#0: any = (setbit 0x00 0u 0u)
-                let tmp%13#0: any = (setbit 0x00 0u 1u)
-                let tmp%14#0: any = (setbit 0x00 0u 0u)
-                let tmp%15#0: any = (setbit 0x00 0u 1u)
-                let tmp%16#0: any = (setbit 0x00 0u 0u)
-                let tmp%17#0: any = (setbit 0x00 0u 1u)
-                let tmp%18#0: any = (setbit 0x00 0u 0u)
+                let tmp%11#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%12#0: bytes = (setbit 0x00 0u 0u)
+                let tmp%13#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%14#0: bytes = (setbit 0x00 0u 0u)
+                let tmp%15#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%16#0: bytes = (setbit 0x00 0u 0u)
+                let tmp%17#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%18#0: bytes = (setbit 0x00 0u 0u)
                 let array_data%2#0: bytes = 0x0008
                 let array_data%2#1: bytes = (concat array_data%2#0 tmp%11#0)
                 let is_true%4#0: uint64 = (getbit tmp%12#0 0u)
-                let array_data%2#2: any = (setbit array_data%2#1 17u is_true%4#0)
+                let array_data%2#2: bytes = (setbit array_data%2#1 17u is_true%4#0)
                 let is_true%5#0: uint64 = (getbit tmp%13#0 0u)
-                let array_data%2#3: any = (setbit array_data%2#2 18u is_true%5#0)
+                let array_data%2#3: bytes = (setbit array_data%2#2 18u is_true%5#0)
                 let is_true%6#0: uint64 = (getbit tmp%14#0 0u)
-                let array_data%2#4: any = (setbit array_data%2#3 19u is_true%6#0)
+                let array_data%2#4: bytes = (setbit array_data%2#3 19u is_true%6#0)
                 let is_true%7#0: uint64 = (getbit tmp%15#0 0u)
-                let array_data%2#5: any = (setbit array_data%2#4 20u is_true%7#0)
+                let array_data%2#5: bytes = (setbit array_data%2#4 20u is_true%7#0)
                 let is_true%8#0: uint64 = (getbit tmp%16#0 0u)
-                let array_data%2#6: any = (setbit array_data%2#5 21u is_true%8#0)
+                let array_data%2#6: bytes = (setbit array_data%2#5 21u is_true%8#0)
                 let is_true%9#0: uint64 = (getbit tmp%17#0 0u)
-                let array_data%2#7: any = (setbit array_data%2#6 22u is_true%9#0)
+                let array_data%2#7: bytes = (setbit array_data%2#6 22u is_true%9#0)
                 let is_true%10#0: uint64 = (getbit tmp%18#0 0u)
-                let array_data%2#8: any = (setbit array_data%2#7 23u is_true%10#0)
+                let array_data%2#8: bytes = (setbit array_data%2#7 23u is_true%10#0)
                 let tmp%19#0: uint64 = (== dynamic_bool_array#2 array_data%2#8)
                 (assert tmp%19#0)
-                let tmp%20#0: any = (setbit 0x00 0u 1u)
+                let tmp%20#0: bytes = (setbit 0x00 0u 1u)
                 let data%2#0: bytes = 0x
                 let data%2#1: bytes = (concat data%2#0 tmp%20#0)
                 let concat_result%2#0: bytes = algopy_lib_arc4.dynamic_array_concat_bits(dynamic_bool_array#2, data%2#1, 1u, 0u)
                 let dynamic_bool_array#3: bytes = concat_result%2#0
-                let tmp%21#0: any = (setbit 0x00 0u 1u)
-                let tmp%22#0: any = (setbit 0x00 0u 0u)
-                let tmp%23#0: any = (setbit 0x00 0u 1u)
-                let tmp%24#0: any = (setbit 0x00 0u 0u)
-                let tmp%25#0: any = (setbit 0x00 0u 1u)
-                let tmp%26#0: any = (setbit 0x00 0u 0u)
-                let tmp%27#0: any = (setbit 0x00 0u 1u)
-                let tmp%28#0: any = (setbit 0x00 0u 0u)
-                let tmp%29#0: any = (setbit 0x00 0u 1u)
+                let tmp%21#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%22#0: bytes = (setbit 0x00 0u 0u)
+                let tmp%23#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%24#0: bytes = (setbit 0x00 0u 0u)
+                let tmp%25#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%26#0: bytes = (setbit 0x00 0u 0u)
+                let tmp%27#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%28#0: bytes = (setbit 0x00 0u 0u)
+                let tmp%29#0: bytes = (setbit 0x00 0u 1u)
                 let array_data%3#0: bytes = 0x0009
                 let array_data%3#1: bytes = (concat array_data%3#0 tmp%21#0)
                 let is_true%11#0: uint64 = (getbit tmp%22#0 0u)
-                let array_data%3#2: any = (setbit array_data%3#1 17u is_true%11#0)
+                let array_data%3#2: bytes = (setbit array_data%3#1 17u is_true%11#0)
                 let is_true%12#0: uint64 = (getbit tmp%23#0 0u)
-                let array_data%3#3: any = (setbit array_data%3#2 18u is_true%12#0)
+                let array_data%3#3: bytes = (setbit array_data%3#2 18u is_true%12#0)
                 let is_true%13#0: uint64 = (getbit tmp%24#0 0u)
-                let array_data%3#4: any = (setbit array_data%3#3 19u is_true%13#0)
+                let array_data%3#4: bytes = (setbit array_data%3#3 19u is_true%13#0)
                 let is_true%14#0: uint64 = (getbit tmp%25#0 0u)
-                let array_data%3#5: any = (setbit array_data%3#4 20u is_true%14#0)
+                let array_data%3#5: bytes = (setbit array_data%3#4 20u is_true%14#0)
                 let is_true%15#0: uint64 = (getbit tmp%26#0 0u)
-                let array_data%3#6: any = (setbit array_data%3#5 21u is_true%15#0)
+                let array_data%3#6: bytes = (setbit array_data%3#5 21u is_true%15#0)
                 let is_true%16#0: uint64 = (getbit tmp%27#0 0u)
-                let array_data%3#7: any = (setbit array_data%3#6 22u is_true%16#0)
+                let array_data%3#7: bytes = (setbit array_data%3#6 22u is_true%16#0)
                 let is_true%17#0: uint64 = (getbit tmp%28#0 0u)
-                let array_data%3#8: any = (setbit array_data%3#7 23u is_true%17#0)
+                let array_data%3#8: bytes = (setbit array_data%3#7 23u is_true%17#0)
                 let array_data%3#9: bytes = (concat array_data%3#8 tmp%29#0)
                 let tmp%30#0: uint64 = (== dynamic_bool_array#3 array_data%3#9)
                 (assert tmp%30#0)
                 let (popped%0#1: bytes, data%3#1: bytes) = algopy_lib_arc4.dynamic_array_pop_bit(dynamic_bool_array#3)
                 let dynamic_bool_array#4: bytes = data%3#1
-                let tmp%31#0: any = (setbit 0x00 0u 1u)
+                let tmp%31#0: bytes = (setbit 0x00 0u 1u)
                 let tmp%32#0: uint64 = (== popped%0#1 tmp%31#0)
                 (assert tmp%32#0)
                 let (popped%1#1: bytes, data%4#1: bytes) = algopy_lib_arc4.dynamic_array_pop_bit(dynamic_bool_array#4)
                 let dynamic_bool_array#5: bytes = data%4#1
-                let tmp%33#0: any = (setbit 0x00 0u 0u)
+                let tmp%33#0: bytes = (setbit 0x00 0u 0u)
                 let tmp%34#0: uint64 = (== popped%1#1 tmp%33#0)
                 (assert tmp%34#0)
-                let tmp%35#0: any = (setbit 0x00 0u 1u)
-                let tmp%36#0: any = (setbit 0x00 0u 0u)
-                let tmp%37#0: any = (setbit 0x00 0u 1u)
-                let tmp%38#0: any = (setbit 0x00 0u 0u)
-                let tmp%39#0: any = (setbit 0x00 0u 1u)
-                let tmp%40#0: any = (setbit 0x00 0u 0u)
-                let tmp%41#0: any = (setbit 0x00 0u 1u)
+                let tmp%35#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%36#0: bytes = (setbit 0x00 0u 0u)
+                let tmp%37#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%38#0: bytes = (setbit 0x00 0u 0u)
+                let tmp%39#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%40#0: bytes = (setbit 0x00 0u 0u)
+                let tmp%41#0: bytes = (setbit 0x00 0u 1u)
                 let array_data%4#0: bytes = 0x0007
                 let array_data%4#1: bytes = (concat array_data%4#0 tmp%35#0)
                 let is_true%18#0: uint64 = (getbit tmp%36#0 0u)
-                let array_data%4#2: any = (setbit array_data%4#1 17u is_true%18#0)
+                let array_data%4#2: bytes = (setbit array_data%4#1 17u is_true%18#0)
                 let is_true%19#0: uint64 = (getbit tmp%37#0 0u)
-                let array_data%4#3: any = (setbit array_data%4#2 18u is_true%19#0)
+                let array_data%4#3: bytes = (setbit array_data%4#2 18u is_true%19#0)
                 let is_true%20#0: uint64 = (getbit tmp%38#0 0u)
-                let array_data%4#4: any = (setbit array_data%4#3 19u is_true%20#0)
+                let array_data%4#4: bytes = (setbit array_data%4#3 19u is_true%20#0)
                 let is_true%21#0: uint64 = (getbit tmp%39#0 0u)
-                let array_data%4#5: any = (setbit array_data%4#4 20u is_true%21#0)
+                let array_data%4#5: bytes = (setbit array_data%4#4 20u is_true%21#0)
                 let is_true%22#0: uint64 = (getbit tmp%40#0 0u)
-                let array_data%4#6: any = (setbit array_data%4#5 21u is_true%22#0)
+                let array_data%4#6: bytes = (setbit array_data%4#5 21u is_true%22#0)
                 let is_true%23#0: uint64 = (getbit tmp%41#0 0u)
-                let array_data%4#7: any = (setbit array_data%4#6 22u is_true%23#0)
+                let array_data%4#7: bytes = (setbit array_data%4#6 22u is_true%23#0)
                 let tmp%42#0: uint64 = (== dynamic_bool_array#5 array_data%4#7)
                 (assert tmp%42#0)
                 return 
@@ -588,40 +588,40 @@ contract test_cases.arc4_types.mutation.Arc4MutationContract:
                 let static_uint8_array#1: bytes = updated_target%1#0
                 let tmp%1#0: uint64 = (== static_uint8_array#1 0x01ff)
                 (assert tmp%1#0)
-                let tmp%2#0: any = (setbit 0x00 0u 1u)
-                let tmp%3#0: any = (setbit 0x00 0u 0u)
+                let tmp%2#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%3#0: bytes = (setbit 0x00 0u 0u)
                 let array_data%2#0: bytes = 0x0002
                 let array_data%2#1: bytes = (concat array_data%2#0 tmp%2#0)
                 let is_true%0#0: uint64 = (getbit tmp%3#0 0u)
-                let array_data%2#2: any = (setbit array_data%2#1 17u is_true%0#0)
-                let dynamic_bool_array#0: any = array_data%2#2
-                let assigned_value%2#0: any = (setbit 0x00 0u 0u)
+                let array_data%2#2: bytes = (setbit array_data%2#1 17u is_true%0#0)
+                let dynamic_bool_array#0: bytes = array_data%2#2
+                let assigned_value%2#0: bytes = (setbit 0x00 0u 0u)
                 let array_length%1#0: uint64 = (extract_uint16 dynamic_bool_array#0 0u)
                 let index_is_in_bounds%1#0: uint64 = (< 0u array_length%1#0)
                 (assert index_is_in_bounds%1#0) // Index access is out of bounds
                 let is_true%1#0: uint64 = (getbit assigned_value%2#0 0u)
-                let updated_target%2#0: any = (setbit dynamic_bool_array#0 16u is_true%1#0)
-                let dynamic_bool_array#1: any = updated_target%2#0
+                let updated_target%2#0: bytes = (setbit dynamic_bool_array#0 16u is_true%1#0)
+                let dynamic_bool_array#1: bytes = updated_target%2#0
                 let tmp%4#0: uint64 = (== dynamic_bool_array#1 0x000200)
                 (assert tmp%4#0)
-                let tmp%5#0: any = (setbit 0x00 0u 1u)
-                let tmp%6#0: any = (setbit 0x00 0u 1u)
+                let tmp%5#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%6#0: bytes = (setbit 0x00 0u 1u)
                 let array_data%3#0: bytes = 0x
                 let array_data%3#1: bytes = (concat array_data%3#0 tmp%5#0)
                 let is_true%2#0: uint64 = (getbit tmp%6#0 0u)
-                let array_data%3#2: any = (setbit array_data%3#1 1u is_true%2#0)
-                let static_bool_array#0: any = array_data%3#2
-                let assigned_value%3#0: any = (setbit 0x00 0u 0u)
+                let array_data%3#2: bytes = (setbit array_data%3#1 1u is_true%2#0)
+                let static_bool_array#0: bytes = array_data%3#2
+                let assigned_value%3#0: bytes = (setbit 0x00 0u 0u)
                 let is_true%3#0: uint64 = (getbit assigned_value%3#0 0u)
-                let updated_target%3#0: any = (setbit static_bool_array#0 1u is_true%3#0)
-                let static_bool_array#1: any = updated_target%3#0
+                let updated_target%3#0: bytes = (setbit static_bool_array#0 1u is_true%3#0)
+                let static_bool_array#1: bytes = updated_target%3#0
                 let tmp%7#0: uint64 = (== static_bool_array#1 0x80)
                 (assert tmp%7#0)
                 return 
         
         subroutine test_cases.arc4_types.mutation.Arc4MutationContract.struct_assign() -> void:
             block@0: // L116
-                let tmp%0#0: any = (setbit 0x00 0u 1u)
+                let tmp%0#0: bytes = (setbit 0x00 0u 1u)
                 let current_tail_offset%0#0: uint64 = 6u
                 let encoded_tuple_buffer%0#0: bytes = 0x
                 let encoded_tuple_buffer%0#1: bytes = (concat encoded_tuple_buffer%0#0 tmp%0#0)
@@ -639,14 +639,14 @@ contract test_cases.arc4_types.mutation.Arc4MutationContract:
                 let encoded_tuple_buffer%0#5: bytes = (concat encoded_tuple_buffer%0#4 "\x00\x05Happy")
                 let encoded_tuple_buffer%0#6: bytes = (concat encoded_tuple_buffer%0#5 "\x00\x04Days")
                 let test_struct#0: bytes = encoded_tuple_buffer%0#6
-                let assigned_value%0#0: any = (setbit 0x00 0u 0u)
+                let assigned_value%0#0: bytes = (setbit 0x00 0u 0u)
                 let is_true%0#0: uint64 = (getbit assigned_value%0#0 0u)
-                let updated_data%0#0: any = (setbit test_struct#0 0u is_true%0#0)
-                let test_struct#1: any = updated_data%0#0
+                let updated_data%0#0: bytes = (setbit test_struct#0 0u is_true%0#0)
+                let test_struct#1: bytes = updated_data%0#0
                 let assigned_value%1#0: bytes = 0x0c
                 let updated_data%1#0: bytes = ((replace2 1) test_struct#1 assigned_value%1#0)
                 let test_struct#2: bytes = updated_data%1#0
-                let tmp%1#0: any = (setbit 0x00 0u 0u)
+                let tmp%1#0: bytes = (setbit 0x00 0u 0u)
                 let current_tail_offset%1#0: uint64 = 6u
                 let encoded_tuple_buffer%1#0: bytes = 0x
                 let encoded_tuple_buffer%1#1: bytes = (concat encoded_tuple_buffer%1#0 tmp%1#0)
@@ -684,7 +684,7 @@ contract test_cases.arc4_types.mutation.Arc4MutationContract:
                 let data_up_to_item%1#0: bytes = (extract3 test_struct#3 0u item_offset%1#0)
                 let updated_data%3#0: bytes = (concat data_up_to_item%1#0 assigned_value%3#0)
                 let test_struct#4: bytes = updated_data%3#0
-                let tmp%3#0: any = (setbit 0x00 0u 0u)
+                let tmp%3#0: bytes = (setbit 0x00 0u 0u)
                 let current_tail_offset%2#0: uint64 = 6u
                 let encoded_tuple_buffer%2#0: bytes = 0x
                 let encoded_tuple_buffer%2#1: bytes = (concat encoded_tuple_buffer%2#0 tmp%3#0)
diff --git a/test_cases/arc4_types/out/Arc4MutationContract.ssa.opt_pass_1.ir b/test_cases/arc4_types/out/Arc4MutationContract.ssa.opt_pass_1.ir
index 5bcee66633..7c477c2ffa 100644
--- a/test_cases/arc4_types/out/Arc4MutationContract.ssa.opt_pass_1.ir
+++ b/test_cases/arc4_types/out/Arc4MutationContract.ssa.opt_pass_1.ir
@@ -76,119 +76,119 @@ contract test_cases.arc4_types.mutation.Arc4MutationContract:
         
         subroutine test_cases.arc4_types.mutation.Arc4MutationContract.dynamic_array_bool() -> void:
             block@0: // L166
-                let tmp%0#0: any = 0x80
-                let tmp%1#0: any = 0x00
+                let tmp%0#0: bytes = 0x80
+                let tmp%1#0: bytes = 0x00
                 let array_data%0#1: bytes = (concat 0x0002 tmp%0#0)
                 let is_true%0#0: uint64 = (getbit tmp%1#0 0u)
-                let dynamic_bool_array#0: any = (setbit array_data%0#1 17u is_true%0#0)
+                let dynamic_bool_array#0: bytes = (setbit array_data%0#1 17u is_true%0#0)
                 let tmp%2#0: uint64 = (== dynamic_bool_array#0 0x000280)
                 (assert tmp%2#0)
-                let tmp%3#0: any = 0x80
-                let tmp%4#0: any = 0x00
+                let tmp%3#0: bytes = 0x80
+                let tmp%4#0: bytes = 0x00
                 let data%0#1: bytes = tmp%3#0
                 let data%0#2: bytes = (concat data%0#1 tmp%4#0)
                 let dynamic_bool_array#1: bytes = algopy_lib_arc4.dynamic_array_concat_bits(dynamic_bool_array#0, data%0#2, 2u, 0u)
                 let tmp%5#0: uint64 = (== dynamic_bool_array#1 0x0004a0)
                 (assert tmp%5#0)
-                let tmp%6#0: any = 0x80
-                let tmp%7#0: any = 0x00
-                let tmp%8#0: any = 0x80
-                let tmp%9#0: any = 0x00
+                let tmp%6#0: bytes = 0x80
+                let tmp%7#0: bytes = 0x00
+                let tmp%8#0: bytes = 0x80
+                let tmp%9#0: bytes = 0x00
                 let array_data%1#1: bytes = (concat 0x0004 tmp%6#0)
                 let is_true%1#0: uint64 = (getbit tmp%7#0 0u)
-                let array_data%1#2: any = (setbit array_data%1#1 17u is_true%1#0)
+                let array_data%1#2: bytes = (setbit array_data%1#1 17u is_true%1#0)
                 let is_true%2#0: uint64 = (getbit tmp%8#0 0u)
-                let array_data%1#3: any = (setbit array_data%1#2 18u is_true%2#0)
+                let array_data%1#3: bytes = (setbit array_data%1#2 18u is_true%2#0)
                 let is_true%3#0: uint64 = (getbit tmp%9#0 0u)
-                let array_data%1#4: any = (setbit array_data%1#3 19u is_true%3#0)
+                let array_data%1#4: bytes = (setbit array_data%1#3 19u is_true%3#0)
                 let tmp%10#0: uint64 = (== dynamic_bool_array#1 array_data%1#4)
                 (assert tmp%10#0)
                 let array_length%0#0: uint64 = (extract_uint16 dynamic_bool_array#1 0u)
                 let data%1#0: bytes = ((extract 2 0) dynamic_bool_array#1)
                 let dynamic_bool_array#2: bytes = algopy_lib_arc4.dynamic_array_concat_bits(dynamic_bool_array#1, data%1#0, array_length%0#0, 1u)
-                let tmp%11#0: any = 0x80
-                let tmp%12#0: any = 0x00
-                let tmp%13#0: any = 0x80
-                let tmp%14#0: any = 0x00
-                let tmp%15#0: any = 0x80
-                let tmp%16#0: any = 0x00
-                let tmp%17#0: any = 0x80
-                let tmp%18#0: any = 0x00
+                let tmp%11#0: bytes = 0x80
+                let tmp%12#0: bytes = 0x00
+                let tmp%13#0: bytes = 0x80
+                let tmp%14#0: bytes = 0x00
+                let tmp%15#0: bytes = 0x80
+                let tmp%16#0: bytes = 0x00
+                let tmp%17#0: bytes = 0x80
+                let tmp%18#0: bytes = 0x00
                 let array_data%2#1: bytes = (concat 0x0008 tmp%11#0)
                 let is_true%4#0: uint64 = (getbit tmp%12#0 0u)
-                let array_data%2#2: any = (setbit array_data%2#1 17u is_true%4#0)
+                let array_data%2#2: bytes = (setbit array_data%2#1 17u is_true%4#0)
                 let is_true%5#0: uint64 = (getbit tmp%13#0 0u)
-                let array_data%2#3: any = (setbit array_data%2#2 18u is_true%5#0)
+                let array_data%2#3: bytes = (setbit array_data%2#2 18u is_true%5#0)
                 let is_true%6#0: uint64 = (getbit tmp%14#0 0u)
-                let array_data%2#4: any = (setbit array_data%2#3 19u is_true%6#0)
+                let array_data%2#4: bytes = (setbit array_data%2#3 19u is_true%6#0)
                 let is_true%7#0: uint64 = (getbit tmp%15#0 0u)
-                let array_data%2#5: any = (setbit array_data%2#4 20u is_true%7#0)
+                let array_data%2#5: bytes = (setbit array_data%2#4 20u is_true%7#0)
                 let is_true%8#0: uint64 = (getbit tmp%16#0 0u)
-                let array_data%2#6: any = (setbit array_data%2#5 21u is_true%8#0)
+                let array_data%2#6: bytes = (setbit array_data%2#5 21u is_true%8#0)
                 let is_true%9#0: uint64 = (getbit tmp%17#0 0u)
-                let array_data%2#7: any = (setbit array_data%2#6 22u is_true%9#0)
+                let array_data%2#7: bytes = (setbit array_data%2#6 22u is_true%9#0)
                 let is_true%10#0: uint64 = (getbit tmp%18#0 0u)
-                let array_data%2#8: any = (setbit array_data%2#7 23u is_true%10#0)
+                let array_data%2#8: bytes = (setbit array_data%2#7 23u is_true%10#0)
                 let tmp%19#0: uint64 = (== dynamic_bool_array#2 array_data%2#8)
                 (assert tmp%19#0)
-                let tmp%20#0: any = 0x80
+                let tmp%20#0: bytes = 0x80
                 let data%2#1: bytes = tmp%20#0
                 let dynamic_bool_array#3: bytes = algopy_lib_arc4.dynamic_array_concat_bits(dynamic_bool_array#2, data%2#1, 1u, 0u)
-                let tmp%21#0: any = 0x80
-                let tmp%22#0: any = 0x00
-                let tmp%23#0: any = 0x80
-                let tmp%24#0: any = 0x00
-                let tmp%25#0: any = 0x80
-                let tmp%26#0: any = 0x00
-                let tmp%27#0: any = 0x80
-                let tmp%28#0: any = 0x00
-                let tmp%29#0: any = 0x80
+                let tmp%21#0: bytes = 0x80
+                let tmp%22#0: bytes = 0x00
+                let tmp%23#0: bytes = 0x80
+                let tmp%24#0: bytes = 0x00
+                let tmp%25#0: bytes = 0x80
+                let tmp%26#0: bytes = 0x00
+                let tmp%27#0: bytes = 0x80
+                let tmp%28#0: bytes = 0x00
+                let tmp%29#0: bytes = 0x80
                 let array_data%3#1: bytes = (concat 0x0009 tmp%21#0)
                 let is_true%11#0: uint64 = (getbit tmp%22#0 0u)
-                let array_data%3#2: any = (setbit array_data%3#1 17u is_true%11#0)
+                let array_data%3#2: bytes = (setbit array_data%3#1 17u is_true%11#0)
                 let is_true%12#0: uint64 = (getbit tmp%23#0 0u)
-                let array_data%3#3: any = (setbit array_data%3#2 18u is_true%12#0)
+                let array_data%3#3: bytes = (setbit array_data%3#2 18u is_true%12#0)
                 let is_true%13#0: uint64 = (getbit tmp%24#0 0u)
-                let array_data%3#4: any = (setbit array_data%3#3 19u is_true%13#0)
+                let array_data%3#4: bytes = (setbit array_data%3#3 19u is_true%13#0)
                 let is_true%14#0: uint64 = (getbit tmp%25#0 0u)
-                let array_data%3#5: any = (setbit array_data%3#4 20u is_true%14#0)
+                let array_data%3#5: bytes = (setbit array_data%3#4 20u is_true%14#0)
                 let is_true%15#0: uint64 = (getbit tmp%26#0 0u)
-                let array_data%3#6: any = (setbit array_data%3#5 21u is_true%15#0)
+                let array_data%3#6: bytes = (setbit array_data%3#5 21u is_true%15#0)
                 let is_true%16#0: uint64 = (getbit tmp%27#0 0u)
-                let array_data%3#7: any = (setbit array_data%3#6 22u is_true%16#0)
+                let array_data%3#7: bytes = (setbit array_data%3#6 22u is_true%16#0)
                 let is_true%17#0: uint64 = (getbit tmp%28#0 0u)
-                let array_data%3#8: any = (setbit array_data%3#7 23u is_true%17#0)
+                let array_data%3#8: bytes = (setbit array_data%3#7 23u is_true%17#0)
                 let array_data%3#9: bytes = (concat array_data%3#8 tmp%29#0)
                 let tmp%30#0: uint64 = (== dynamic_bool_array#3 array_data%3#9)
                 (assert tmp%30#0)
                 let (popped%0#1: bytes, dynamic_bool_array#4: bytes) = algopy_lib_arc4.dynamic_array_pop_bit(dynamic_bool_array#3)
-                let tmp%31#0: any = 0x80
+                let tmp%31#0: bytes = 0x80
                 let tmp%32#0: uint64 = (== popped%0#1 tmp%31#0)
                 (assert tmp%32#0)
                 let (popped%1#1: bytes, dynamic_bool_array#5: bytes) = algopy_lib_arc4.dynamic_array_pop_bit(dynamic_bool_array#4)
-                let tmp%33#0: any = 0x00
+                let tmp%33#0: bytes = 0x00
                 let tmp%34#0: uint64 = (== popped%1#1 tmp%33#0)
                 (assert tmp%34#0)
-                let tmp%35#0: any = 0x80
-                let tmp%36#0: any = 0x00
-                let tmp%37#0: any = 0x80
-                let tmp%38#0: any = 0x00
-                let tmp%39#0: any = 0x80
-                let tmp%40#0: any = 0x00
-                let tmp%41#0: any = 0x80
+                let tmp%35#0: bytes = 0x80
+                let tmp%36#0: bytes = 0x00
+                let tmp%37#0: bytes = 0x80
+                let tmp%38#0: bytes = 0x00
+                let tmp%39#0: bytes = 0x80
+                let tmp%40#0: bytes = 0x00
+                let tmp%41#0: bytes = 0x80
                 let array_data%4#1: bytes = (concat 0x0007 tmp%35#0)
                 let is_true%18#0: uint64 = (getbit tmp%36#0 0u)
-                let array_data%4#2: any = (setbit array_data%4#1 17u is_true%18#0)
+                let array_data%4#2: bytes = (setbit array_data%4#1 17u is_true%18#0)
                 let is_true%19#0: uint64 = (getbit tmp%37#0 0u)
-                let array_data%4#3: any = (setbit array_data%4#2 18u is_true%19#0)
+                let array_data%4#3: bytes = (setbit array_data%4#2 18u is_true%19#0)
                 let is_true%20#0: uint64 = (getbit tmp%38#0 0u)
-                let array_data%4#4: any = (setbit array_data%4#3 19u is_true%20#0)
+                let array_data%4#4: bytes = (setbit array_data%4#3 19u is_true%20#0)
                 let is_true%21#0: uint64 = (getbit tmp%39#0 0u)
-                let array_data%4#5: any = (setbit array_data%4#4 20u is_true%21#0)
+                let array_data%4#5: bytes = (setbit array_data%4#4 20u is_true%21#0)
                 let is_true%22#0: uint64 = (getbit tmp%40#0 0u)
-                let array_data%4#6: any = (setbit array_data%4#5 21u is_true%22#0)
+                let array_data%4#6: bytes = (setbit array_data%4#5 21u is_true%22#0)
                 let is_true%23#0: uint64 = (getbit tmp%41#0 0u)
-                let array_data%4#7: any = (setbit array_data%4#6 22u is_true%23#0)
+                let array_data%4#7: bytes = (setbit array_data%4#6 22u is_true%23#0)
                 let tmp%42#0: uint64 = (== dynamic_bool_array#5 array_data%4#7)
                 (assert tmp%42#0)
                 return 
@@ -492,33 +492,33 @@ contract test_cases.arc4_types.mutation.Arc4MutationContract:
                 let static_uint8_array#1: bytes = ((replace2 1) static_uint8_array#0 0xff)
                 let tmp%1#0: uint64 = (== static_uint8_array#1 0x01ff)
                 (assert tmp%1#0)
-                let tmp%2#0: any = 0x80
-                let tmp%3#0: any = 0x00
+                let tmp%2#0: bytes = 0x80
+                let tmp%3#0: bytes = 0x00
                 let array_data%2#1: bytes = (concat 0x0002 tmp%2#0)
                 let is_true%0#0: uint64 = (getbit tmp%3#0 0u)
-                let dynamic_bool_array#0: any = (setbit array_data%2#1 17u is_true%0#0)
-                let assigned_value%2#0: any = 0x00
+                let dynamic_bool_array#0: bytes = (setbit array_data%2#1 17u is_true%0#0)
+                let assigned_value%2#0: bytes = 0x00
                 let array_length%1#0: uint64 = (extract_uint16 dynamic_bool_array#0 0u)
                 (assert array_length%1#0) // Index access is out of bounds
                 let is_true%1#0: uint64 = (getbit assigned_value%2#0 0u)
-                let dynamic_bool_array#1: any = (setbit dynamic_bool_array#0 16u is_true%1#0)
+                let dynamic_bool_array#1: bytes = (setbit dynamic_bool_array#0 16u is_true%1#0)
                 let tmp%4#0: uint64 = (== dynamic_bool_array#1 0x000200)
                 (assert tmp%4#0)
-                let tmp%5#0: any = 0x80
-                let tmp%6#0: any = 0x80
+                let tmp%5#0: bytes = 0x80
+                let tmp%6#0: bytes = 0x80
                 let array_data%3#1: bytes = tmp%5#0
                 let is_true%2#0: uint64 = (getbit tmp%6#0 0u)
-                let static_bool_array#0: any = (setbit array_data%3#1 1u is_true%2#0)
-                let assigned_value%3#0: any = 0x00
+                let static_bool_array#0: bytes = (setbit array_data%3#1 1u is_true%2#0)
+                let assigned_value%3#0: bytes = 0x00
                 let is_true%3#0: uint64 = (getbit assigned_value%3#0 0u)
-                let static_bool_array#1: any = (setbit static_bool_array#0 1u is_true%3#0)
+                let static_bool_array#1: bytes = (setbit static_bool_array#0 1u is_true%3#0)
                 let tmp%7#0: uint64 = (== static_bool_array#1 0x80)
                 (assert tmp%7#0)
                 return 
         
         subroutine test_cases.arc4_types.mutation.Arc4MutationContract.struct_assign() -> void:
             block@0: // L116
-                let tmp%0#0: any = 0x80
+                let tmp%0#0: bytes = 0x80
                 let encoded_tuple_buffer%0#1: bytes = tmp%0#0
                 let encoded_tuple_buffer%0#2: bytes = (concat encoded_tuple_buffer%0#1 0x32)
                 let value_as_uint16%0#0: bytes = 0x0006
@@ -531,11 +531,11 @@ contract test_cases.arc4_types.mutation.Arc4MutationContract:
                 let data_length%1#0: uint64 = 6u
                 let encoded_tuple_buffer%0#5: bytes = (concat encoded_tuple_buffer%0#4 "\x00\x05Happy")
                 let test_struct#0: bytes = (concat encoded_tuple_buffer%0#5 "\x00\x04Days")
-                let assigned_value%0#0: any = 0x00
+                let assigned_value%0#0: bytes = 0x00
                 let is_true%0#0: uint64 = (getbit assigned_value%0#0 0u)
-                let test_struct#1: any = (setbit test_struct#0 0u is_true%0#0)
+                let test_struct#1: bytes = (setbit test_struct#0 0u is_true%0#0)
                 let test_struct#2: bytes = ((replace2 1) test_struct#1 0x0c)
-                let tmp%1#0: any = 0x00
+                let tmp%1#0: bytes = 0x00
                 let encoded_tuple_buffer%1#1: bytes = tmp%1#0
                 let encoded_tuple_buffer%1#2: bytes = (concat encoded_tuple_buffer%1#1 0x0c)
                 let value_as_uint16%2#0: bytes = 0x0006
@@ -565,7 +565,7 @@ contract test_cases.arc4_types.mutation.Arc4MutationContract:
                 let item_offset%1#0: uint64 = (extract_uint16 test_struct#3 4u)
                 let data_up_to_item%1#0: bytes = (extract3 test_struct#3 0u item_offset%1#0)
                 let test_struct#4: bytes = (concat data_up_to_item%1#0 "\x00\x07Oh well")
-                let tmp%3#0: any = 0x00
+                let tmp%3#0: bytes = 0x00
                 let encoded_tuple_buffer%2#1: bytes = tmp%3#0
                 let encoded_tuple_buffer%2#2: bytes = (concat encoded_tuple_buffer%2#1 0x0c)
                 let value_as_uint16%4#0: bytes = 0x0006
diff --git a/test_cases/arc4_types/out/Arc4MutationContract.ssa.opt_pass_2.ir b/test_cases/arc4_types/out/Arc4MutationContract.ssa.opt_pass_2.ir
index bff998b894..962d6afc7d 100644
--- a/test_cases/arc4_types/out/Arc4MutationContract.ssa.opt_pass_2.ir
+++ b/test_cases/arc4_types/out/Arc4MutationContract.ssa.opt_pass_2.ir
@@ -71,7 +71,7 @@ contract test_cases.arc4_types.mutation.Arc4MutationContract:
             block@0: // L166
                 let array_data%0#1: bytes = 0x000280
                 let is_true%0#0: uint64 = 0u
-                let dynamic_bool_array#0: any = (setbit array_data%0#1 17u is_true%0#0)
+                let dynamic_bool_array#0: bytes = (setbit array_data%0#1 17u is_true%0#0)
                 let tmp%2#0: uint64 = (== dynamic_bool_array#0 0x000280)
                 (assert tmp%2#0)
                 let data%0#2: bytes = 0x8000
@@ -80,11 +80,11 @@ contract test_cases.arc4_types.mutation.Arc4MutationContract:
                 (assert tmp%5#0)
                 let array_data%1#1: bytes = 0x000480
                 let is_true%1#0: uint64 = 0u
-                let array_data%1#2: any = (setbit array_data%1#1 17u is_true%1#0)
+                let array_data%1#2: bytes = (setbit array_data%1#1 17u is_true%1#0)
                 let is_true%2#0: uint64 = 1u
-                let array_data%1#3: any = (setbit array_data%1#2 18u is_true%2#0)
+                let array_data%1#3: bytes = (setbit array_data%1#2 18u is_true%2#0)
                 let is_true%3#0: uint64 = 0u
-                let array_data%1#4: any = (setbit array_data%1#3 19u is_true%3#0)
+                let array_data%1#4: bytes = (setbit array_data%1#3 19u is_true%3#0)
                 let tmp%10#0: uint64 = (== dynamic_bool_array#1 array_data%1#4)
                 (assert tmp%10#0)
                 let array_length%0#0: uint64 = (extract_uint16 dynamic_bool_array#1 0u)
@@ -92,37 +92,37 @@ contract test_cases.arc4_types.mutation.Arc4MutationContract:
                 let dynamic_bool_array#2: bytes = algopy_lib_arc4.dynamic_array_concat_bits(dynamic_bool_array#1, data%1#0, array_length%0#0, 1u)
                 let array_data%2#1: bytes = 0x000880
                 let is_true%4#0: uint64 = 0u
-                let array_data%2#2: any = (setbit array_data%2#1 17u is_true%4#0)
+                let array_data%2#2: bytes = (setbit array_data%2#1 17u is_true%4#0)
                 let is_true%5#0: uint64 = 1u
-                let array_data%2#3: any = (setbit array_data%2#2 18u is_true%5#0)
+                let array_data%2#3: bytes = (setbit array_data%2#2 18u is_true%5#0)
                 let is_true%6#0: uint64 = 0u
-                let array_data%2#4: any = (setbit array_data%2#3 19u is_true%6#0)
+                let array_data%2#4: bytes = (setbit array_data%2#3 19u is_true%6#0)
                 let is_true%7#0: uint64 = 1u
-                let array_data%2#5: any = (setbit array_data%2#4 20u is_true%7#0)
+                let array_data%2#5: bytes = (setbit array_data%2#4 20u is_true%7#0)
                 let is_true%8#0: uint64 = 0u
-                let array_data%2#6: any = (setbit array_data%2#5 21u is_true%8#0)
+                let array_data%2#6: bytes = (setbit array_data%2#5 21u is_true%8#0)
                 let is_true%9#0: uint64 = 1u
-                let array_data%2#7: any = (setbit array_data%2#6 22u is_true%9#0)
+                let array_data%2#7: bytes = (setbit array_data%2#6 22u is_true%9#0)
                 let is_true%10#0: uint64 = 0u
-                let array_data%2#8: any = (setbit array_data%2#7 23u is_true%10#0)
+                let array_data%2#8: bytes = (setbit array_data%2#7 23u is_true%10#0)
                 let tmp%19#0: uint64 = (== dynamic_bool_array#2 array_data%2#8)
                 (assert tmp%19#0)
                 let dynamic_bool_array#3: bytes = algopy_lib_arc4.dynamic_array_concat_bits(dynamic_bool_array#2, 0x80, 1u, 0u)
                 let array_data%3#1: bytes = 0x000980
                 let is_true%11#0: uint64 = 0u
-                let array_data%3#2: any = (setbit array_data%3#1 17u is_true%11#0)
+                let array_data%3#2: bytes = (setbit array_data%3#1 17u is_true%11#0)
                 let is_true%12#0: uint64 = 1u
-                let array_data%3#3: any = (setbit array_data%3#2 18u is_true%12#0)
+                let array_data%3#3: bytes = (setbit array_data%3#2 18u is_true%12#0)
                 let is_true%13#0: uint64 = 0u
-                let array_data%3#4: any = (setbit array_data%3#3 19u is_true%13#0)
+                let array_data%3#4: bytes = (setbit array_data%3#3 19u is_true%13#0)
                 let is_true%14#0: uint64 = 1u
-                let array_data%3#5: any = (setbit array_data%3#4 20u is_true%14#0)
+                let array_data%3#5: bytes = (setbit array_data%3#4 20u is_true%14#0)
                 let is_true%15#0: uint64 = 0u
-                let array_data%3#6: any = (setbit array_data%3#5 21u is_true%15#0)
+                let array_data%3#6: bytes = (setbit array_data%3#5 21u is_true%15#0)
                 let is_true%16#0: uint64 = 1u
-                let array_data%3#7: any = (setbit array_data%3#6 22u is_true%16#0)
+                let array_data%3#7: bytes = (setbit array_data%3#6 22u is_true%16#0)
                 let is_true%17#0: uint64 = 0u
-                let array_data%3#8: any = (setbit array_data%3#7 23u is_true%17#0)
+                let array_data%3#8: bytes = (setbit array_data%3#7 23u is_true%17#0)
                 let array_data%3#9: bytes = (concat array_data%3#8 0x80)
                 let tmp%30#0: uint64 = (== dynamic_bool_array#3 array_data%3#9)
                 (assert tmp%30#0)
@@ -134,17 +134,17 @@ contract test_cases.arc4_types.mutation.Arc4MutationContract:
                 (assert tmp%34#0)
                 let array_data%4#1: bytes = 0x000780
                 let is_true%18#0: uint64 = 0u
-                let array_data%4#2: any = (setbit array_data%4#1 17u is_true%18#0)
+                let array_data%4#2: bytes = (setbit array_data%4#1 17u is_true%18#0)
                 let is_true%19#0: uint64 = 1u
-                let array_data%4#3: any = (setbit array_data%4#2 18u is_true%19#0)
+                let array_data%4#3: bytes = (setbit array_data%4#2 18u is_true%19#0)
                 let is_true%20#0: uint64 = 0u
-                let array_data%4#4: any = (setbit array_data%4#3 19u is_true%20#0)
+                let array_data%4#4: bytes = (setbit array_data%4#3 19u is_true%20#0)
                 let is_true%21#0: uint64 = 1u
-                let array_data%4#5: any = (setbit array_data%4#4 20u is_true%21#0)
+                let array_data%4#5: bytes = (setbit array_data%4#4 20u is_true%21#0)
                 let is_true%22#0: uint64 = 0u
-                let array_data%4#6: any = (setbit array_data%4#5 21u is_true%22#0)
+                let array_data%4#6: bytes = (setbit array_data%4#5 21u is_true%22#0)
                 let is_true%23#0: uint64 = 1u
-                let array_data%4#7: any = (setbit array_data%4#6 22u is_true%23#0)
+                let array_data%4#7: bytes = (setbit array_data%4#6 22u is_true%23#0)
                 let tmp%42#0: uint64 = (== dynamic_bool_array#5 array_data%4#7)
                 (assert tmp%42#0)
                 return 
@@ -396,17 +396,17 @@ contract test_cases.arc4_types.mutation.Arc4MutationContract:
                 (assert tmp%1#0)
                 let array_data%2#1: bytes = 0x000280
                 let is_true%0#0: uint64 = 0u
-                let dynamic_bool_array#0: any = (setbit array_data%2#1 17u is_true%0#0)
+                let dynamic_bool_array#0: bytes = (setbit array_data%2#1 17u is_true%0#0)
                 let array_length%1#0: uint64 = (extract_uint16 dynamic_bool_array#0 0u)
                 (assert array_length%1#0) // Index access is out of bounds
                 let is_true%1#0: uint64 = 0u
-                let dynamic_bool_array#1: any = (setbit dynamic_bool_array#0 16u is_true%1#0)
+                let dynamic_bool_array#1: bytes = (setbit dynamic_bool_array#0 16u is_true%1#0)
                 let tmp%4#0: uint64 = (== dynamic_bool_array#1 0x000200)
                 (assert tmp%4#0)
                 let is_true%2#0: uint64 = 1u
-                let static_bool_array#0: any = (setbit 0x80 1u is_true%2#0)
+                let static_bool_array#0: bytes = (setbit 0x80 1u is_true%2#0)
                 let is_true%3#0: uint64 = 0u
-                let static_bool_array#1: any = (setbit static_bool_array#0 1u is_true%3#0)
+                let static_bool_array#1: bytes = (setbit static_bool_array#0 1u is_true%3#0)
                 let tmp%7#0: uint64 = (== static_bool_array#1 0x80)
                 (assert tmp%7#0)
                 return 
@@ -422,7 +422,7 @@ contract test_cases.arc4_types.mutation.Arc4MutationContract:
                 let encoded_tuple_buffer%0#5: bytes = (concat encoded_tuple_buffer%0#4 "\x00\x05Happy")
                 let test_struct#0: bytes = (concat encoded_tuple_buffer%0#5 "\x00\x04Days")
                 let is_true%0#0: uint64 = 0u
-                let test_struct#1: any = (setbit test_struct#0 0u is_true%0#0)
+                let test_struct#1: bytes = (setbit test_struct#0 0u is_true%0#0)
                 let test_struct#2: bytes = ((replace2 1) test_struct#1 0x0c)
                 let encoded_tuple_buffer%1#2: bytes = 0x000c
                 let encoded_tuple_buffer%1#3: bytes = (concat encoded_tuple_buffer%1#2 0x0006)
diff --git a/test_cases/arc4_types/out/Arc4MutationContract.ssa.opt_pass_3.ir b/test_cases/arc4_types/out/Arc4MutationContract.ssa.opt_pass_3.ir
index c387df331d..b81f7985da 100644
--- a/test_cases/arc4_types/out/Arc4MutationContract.ssa.opt_pass_3.ir
+++ b/test_cases/arc4_types/out/Arc4MutationContract.ssa.opt_pass_3.ir
@@ -63,37 +63,37 @@ contract test_cases.arc4_types.mutation.Arc4MutationContract:
         
         subroutine test_cases.arc4_types.mutation.Arc4MutationContract.dynamic_array_bool() -> void:
             block@0: // L166
-                let dynamic_bool_array#0: any = 0x000280
+                let dynamic_bool_array#0: bytes = 0x000280
                 let tmp%2#0: uint64 = (== dynamic_bool_array#0 0x000280)
                 (assert tmp%2#0)
                 let dynamic_bool_array#1: bytes = algopy_lib_arc4.dynamic_array_concat_bits(dynamic_bool_array#0, 0x8000, 2u, 0u)
                 let tmp%5#0: uint64 = (== dynamic_bool_array#1 0x0004a0)
                 (assert tmp%5#0)
-                let array_data%1#2: any = 0x000480
-                let array_data%1#3: any = (setbit array_data%1#2 18u 1u)
-                let array_data%1#4: any = (setbit array_data%1#3 19u 0u)
+                let array_data%1#2: bytes = 0x000480
+                let array_data%1#3: bytes = (setbit array_data%1#2 18u 1u)
+                let array_data%1#4: bytes = (setbit array_data%1#3 19u 0u)
                 let tmp%10#0: uint64 = (== dynamic_bool_array#1 array_data%1#4)
                 (assert tmp%10#0)
                 let array_length%0#0: uint64 = (extract_uint16 dynamic_bool_array#1 0u)
                 let data%1#0: bytes = ((extract 2 0) dynamic_bool_array#1)
                 let dynamic_bool_array#2: bytes = algopy_lib_arc4.dynamic_array_concat_bits(dynamic_bool_array#1, data%1#0, array_length%0#0, 1u)
-                let array_data%2#2: any = 0x000880
-                let array_data%2#3: any = (setbit array_data%2#2 18u 1u)
-                let array_data%2#4: any = (setbit array_data%2#3 19u 0u)
-                let array_data%2#5: any = (setbit array_data%2#4 20u 1u)
-                let array_data%2#6: any = (setbit array_data%2#5 21u 0u)
-                let array_data%2#7: any = (setbit array_data%2#6 22u 1u)
-                let array_data%2#8: any = (setbit array_data%2#7 23u 0u)
+                let array_data%2#2: bytes = 0x000880
+                let array_data%2#3: bytes = (setbit array_data%2#2 18u 1u)
+                let array_data%2#4: bytes = (setbit array_data%2#3 19u 0u)
+                let array_data%2#5: bytes = (setbit array_data%2#4 20u 1u)
+                let array_data%2#6: bytes = (setbit array_data%2#5 21u 0u)
+                let array_data%2#7: bytes = (setbit array_data%2#6 22u 1u)
+                let array_data%2#8: bytes = (setbit array_data%2#7 23u 0u)
                 let tmp%19#0: uint64 = (== dynamic_bool_array#2 array_data%2#8)
                 (assert tmp%19#0)
                 let dynamic_bool_array#3: bytes = algopy_lib_arc4.dynamic_array_concat_bits(dynamic_bool_array#2, 0x80, 1u, 0u)
-                let array_data%3#2: any = 0x000980
-                let array_data%3#3: any = (setbit array_data%3#2 18u 1u)
-                let array_data%3#4: any = (setbit array_data%3#3 19u 0u)
-                let array_data%3#5: any = (setbit array_data%3#4 20u 1u)
-                let array_data%3#6: any = (setbit array_data%3#5 21u 0u)
-                let array_data%3#7: any = (setbit array_data%3#6 22u 1u)
-                let array_data%3#8: any = (setbit array_data%3#7 23u 0u)
+                let array_data%3#2: bytes = 0x000980
+                let array_data%3#3: bytes = (setbit array_data%3#2 18u 1u)
+                let array_data%3#4: bytes = (setbit array_data%3#3 19u 0u)
+                let array_data%3#5: bytes = (setbit array_data%3#4 20u 1u)
+                let array_data%3#6: bytes = (setbit array_data%3#5 21u 0u)
+                let array_data%3#7: bytes = (setbit array_data%3#6 22u 1u)
+                let array_data%3#8: bytes = (setbit array_data%3#7 23u 0u)
                 let array_data%3#9: bytes = (concat array_data%3#8 0x80)
                 let tmp%30#0: uint64 = (== dynamic_bool_array#3 array_data%3#9)
                 (assert tmp%30#0)
@@ -103,12 +103,12 @@ contract test_cases.arc4_types.mutation.Arc4MutationContract:
                 let (popped%1#1: bytes, dynamic_bool_array#5: bytes) = algopy_lib_arc4.dynamic_array_pop_bit(dynamic_bool_array#4)
                 let tmp%34#0: uint64 = (== popped%1#1 0x00)
                 (assert tmp%34#0)
-                let array_data%4#2: any = 0x000780
-                let array_data%4#3: any = (setbit array_data%4#2 18u 1u)
-                let array_data%4#4: any = (setbit array_data%4#3 19u 0u)
-                let array_data%4#5: any = (setbit array_data%4#4 20u 1u)
-                let array_data%4#6: any = (setbit array_data%4#5 21u 0u)
-                let array_data%4#7: any = (setbit array_data%4#6 22u 1u)
+                let array_data%4#2: bytes = 0x000780
+                let array_data%4#3: bytes = (setbit array_data%4#2 18u 1u)
+                let array_data%4#4: bytes = (setbit array_data%4#3 19u 0u)
+                let array_data%4#5: bytes = (setbit array_data%4#4 20u 1u)
+                let array_data%4#6: bytes = (setbit array_data%4#5 21u 0u)
+                let array_data%4#7: bytes = (setbit array_data%4#6 22u 1u)
                 let tmp%42#0: uint64 = (== dynamic_bool_array#5 array_data%4#7)
                 (assert tmp%42#0)
                 return 
@@ -337,14 +337,14 @@ contract test_cases.arc4_types.mutation.Arc4MutationContract:
                 let static_uint8_array#1: bytes = ((replace2 1) 0x0102 0xff)
                 let tmp%1#0: uint64 = (== static_uint8_array#1 0x01ff)
                 (assert tmp%1#0)
-                let dynamic_bool_array#0: any = 0x000280
+                let dynamic_bool_array#0: bytes = 0x000280
                 let array_length%1#0: uint64 = (extract_uint16 dynamic_bool_array#0 0u)
                 (assert array_length%1#0) // Index access is out of bounds
-                let dynamic_bool_array#1: any = (setbit dynamic_bool_array#0 16u 0u)
+                let dynamic_bool_array#1: bytes = (setbit dynamic_bool_array#0 16u 0u)
                 let tmp%4#0: uint64 = (== dynamic_bool_array#1 0x000200)
                 (assert tmp%4#0)
-                let static_bool_array#0: any = 0xc0
-                let static_bool_array#1: any = (setbit static_bool_array#0 1u 0u)
+                let static_bool_array#0: bytes = 0xc0
+                let static_bool_array#1: bytes = (setbit static_bool_array#0 1u 0u)
                 let tmp%7#0: uint64 = (== static_bool_array#1 0x80)
                 (assert tmp%7#0)
                 return 
@@ -356,7 +356,7 @@ contract test_cases.arc4_types.mutation.Arc4MutationContract:
                 let encoded_tuple_buffer%0#4: bytes = (concat encoded_tuple_buffer%0#3 value_as_uint16%1#0)
                 let encoded_tuple_buffer%0#5: bytes = (concat encoded_tuple_buffer%0#4 "\x00\x05Happy")
                 let test_struct#0: bytes = (concat encoded_tuple_buffer%0#5 "\x00\x04Days")
-                let test_struct#1: any = (setbit test_struct#0 0u 0u)
+                let test_struct#1: bytes = (setbit test_struct#0 0u 0u)
                 let test_struct#2: bytes = ((replace2 1) test_struct#1 0x0c)
                 let encoded_tuple_buffer%1#3: bytes = 0x000c0006
                 let value_as_uint16%3#0: bytes = 0x000d
diff --git a/test_cases/arc4_types/out/Arc4MutationContract.ssa.opt_pass_4.ir b/test_cases/arc4_types/out/Arc4MutationContract.ssa.opt_pass_4.ir
index 4628596e16..de9edaa352 100644
--- a/test_cases/arc4_types/out/Arc4MutationContract.ssa.opt_pass_4.ir
+++ b/test_cases/arc4_types/out/Arc4MutationContract.ssa.opt_pass_4.ir
@@ -63,28 +63,28 @@ contract test_cases.arc4_types.mutation.Arc4MutationContract:
                 let dynamic_bool_array#1: bytes = algopy_lib_arc4.dynamic_array_concat_bits(0x000280, 0x8000, 2u, 0u)
                 let tmp%5#0: uint64 = (== dynamic_bool_array#1 0x0004a0)
                 (assert tmp%5#0)
-                let array_data%1#3: any = 0x0004a0
-                let array_data%1#4: any = (setbit array_data%1#3 19u 0u)
+                let array_data%1#3: bytes = 0x0004a0
+                let array_data%1#4: bytes = (setbit array_data%1#3 19u 0u)
                 let tmp%10#0: uint64 = (== dynamic_bool_array#1 array_data%1#4)
                 (assert tmp%10#0)
                 let array_length%0#0: uint64 = (extract_uint16 dynamic_bool_array#1 0u)
                 let data%1#0: bytes = ((extract 2 0) dynamic_bool_array#1)
                 let dynamic_bool_array#2: bytes = algopy_lib_arc4.dynamic_array_concat_bits(dynamic_bool_array#1, data%1#0, array_length%0#0, 1u)
-                let array_data%2#3: any = 0x0008a0
-                let array_data%2#4: any = (setbit array_data%2#3 19u 0u)
-                let array_data%2#5: any = (setbit array_data%2#4 20u 1u)
-                let array_data%2#6: any = (setbit array_data%2#5 21u 0u)
-                let array_data%2#7: any = (setbit array_data%2#6 22u 1u)
-                let array_data%2#8: any = (setbit array_data%2#7 23u 0u)
+                let array_data%2#3: bytes = 0x0008a0
+                let array_data%2#4: bytes = (setbit array_data%2#3 19u 0u)
+                let array_data%2#5: bytes = (setbit array_data%2#4 20u 1u)
+                let array_data%2#6: bytes = (setbit array_data%2#5 21u 0u)
+                let array_data%2#7: bytes = (setbit array_data%2#6 22u 1u)
+                let array_data%2#8: bytes = (setbit array_data%2#7 23u 0u)
                 let tmp%19#0: uint64 = (== dynamic_bool_array#2 array_data%2#8)
                 (assert tmp%19#0)
                 let dynamic_bool_array#3: bytes = algopy_lib_arc4.dynamic_array_concat_bits(dynamic_bool_array#2, 0x80, 1u, 0u)
-                let array_data%3#3: any = 0x0009a0
-                let array_data%3#4: any = (setbit array_data%3#3 19u 0u)
-                let array_data%3#5: any = (setbit array_data%3#4 20u 1u)
-                let array_data%3#6: any = (setbit array_data%3#5 21u 0u)
-                let array_data%3#7: any = (setbit array_data%3#6 22u 1u)
-                let array_data%3#8: any = (setbit array_data%3#7 23u 0u)
+                let array_data%3#3: bytes = 0x0009a0
+                let array_data%3#4: bytes = (setbit array_data%3#3 19u 0u)
+                let array_data%3#5: bytes = (setbit array_data%3#4 20u 1u)
+                let array_data%3#6: bytes = (setbit array_data%3#5 21u 0u)
+                let array_data%3#7: bytes = (setbit array_data%3#6 22u 1u)
+                let array_data%3#8: bytes = (setbit array_data%3#7 23u 0u)
                 let array_data%3#9: bytes = (concat array_data%3#8 0x80)
                 let tmp%30#0: uint64 = (== dynamic_bool_array#3 array_data%3#9)
                 (assert tmp%30#0)
@@ -94,11 +94,11 @@ contract test_cases.arc4_types.mutation.Arc4MutationContract:
                 let (popped%1#1: bytes, dynamic_bool_array#5: bytes) = algopy_lib_arc4.dynamic_array_pop_bit(dynamic_bool_array#4)
                 let tmp%34#0: uint64 = (== popped%1#1 0x00)
                 (assert tmp%34#0)
-                let array_data%4#3: any = 0x0007a0
-                let array_data%4#4: any = (setbit array_data%4#3 19u 0u)
-                let array_data%4#5: any = (setbit array_data%4#4 20u 1u)
-                let array_data%4#6: any = (setbit array_data%4#5 21u 0u)
-                let array_data%4#7: any = (setbit array_data%4#6 22u 1u)
+                let array_data%4#3: bytes = 0x0007a0
+                let array_data%4#4: bytes = (setbit array_data%4#3 19u 0u)
+                let array_data%4#5: bytes = (setbit array_data%4#4 20u 1u)
+                let array_data%4#6: bytes = (setbit array_data%4#5 21u 0u)
+                let array_data%4#7: bytes = (setbit array_data%4#6 22u 1u)
                 let tmp%42#0: uint64 = (== dynamic_bool_array#5 array_data%4#7)
                 (assert tmp%42#0)
                 return 
@@ -313,10 +313,10 @@ contract test_cases.arc4_types.mutation.Arc4MutationContract:
                 (assert tmp%1#0)
                 let array_length%1#0: uint64 = 2u
                 (assert array_length%1#0) // Index access is out of bounds
-                let dynamic_bool_array#1: any = 0x000200
+                let dynamic_bool_array#1: bytes = 0x000200
                 let tmp%4#0: uint64 = (== dynamic_bool_array#1 0x000200)
                 (assert tmp%4#0)
-                let static_bool_array#1: any = 0x80
+                let static_bool_array#1: bytes = 0x80
                 let tmp%7#0: uint64 = (== static_bool_array#1 0x80)
                 (assert tmp%7#0)
                 return 
@@ -326,7 +326,7 @@ contract test_cases.arc4_types.mutation.Arc4MutationContract:
                 let encoded_tuple_buffer%0#4: bytes = 0x80320006000d
                 let encoded_tuple_buffer%0#5: bytes = (concat encoded_tuple_buffer%0#4 "\x00\x05Happy")
                 let test_struct#0: bytes = (concat encoded_tuple_buffer%0#5 "\x00\x04Days")
-                let test_struct#1: any = (setbit test_struct#0 0u 0u)
+                let test_struct#1: bytes = (setbit test_struct#0 0u 0u)
                 let test_struct#2: bytes = ((replace2 1) test_struct#1 0x0c)
                 let encoded_tuple_buffer%1#4: bytes = 0x000c0006000d
                 let encoded_tuple_buffer%1#5: bytes = (concat encoded_tuple_buffer%1#4 "\x00\x05Happy")
diff --git a/test_cases/arc4_types/out/Arc4MutationContract.ssa.opt_pass_5.ir b/test_cases/arc4_types/out/Arc4MutationContract.ssa.opt_pass_5.ir
index a967585be0..b06d3a6474 100644
--- a/test_cases/arc4_types/out/Arc4MutationContract.ssa.opt_pass_5.ir
+++ b/test_cases/arc4_types/out/Arc4MutationContract.ssa.opt_pass_5.ir
@@ -57,25 +57,25 @@ contract test_cases.arc4_types.mutation.Arc4MutationContract:
                 let dynamic_bool_array#1: bytes = algopy_lib_arc4.dynamic_array_concat_bits(0x000280, 0x8000, 2u, 0u)
                 let tmp%5#0: uint64 = (== dynamic_bool_array#1 0x0004a0)
                 (assert tmp%5#0)
-                let array_data%1#4: any = 0x0004a0
+                let array_data%1#4: bytes = 0x0004a0
                 let tmp%10#0: uint64 = (== dynamic_bool_array#1 array_data%1#4)
                 (assert tmp%10#0)
                 let array_length%0#0: uint64 = (extract_uint16 dynamic_bool_array#1 0u)
                 let data%1#0: bytes = ((extract 2 0) dynamic_bool_array#1)
                 let dynamic_bool_array#2: bytes = algopy_lib_arc4.dynamic_array_concat_bits(dynamic_bool_array#1, data%1#0, array_length%0#0, 1u)
-                let array_data%2#4: any = 0x0008a0
-                let array_data%2#5: any = (setbit array_data%2#4 20u 1u)
-                let array_data%2#6: any = (setbit array_data%2#5 21u 0u)
-                let array_data%2#7: any = (setbit array_data%2#6 22u 1u)
-                let array_data%2#8: any = (setbit array_data%2#7 23u 0u)
+                let array_data%2#4: bytes = 0x0008a0
+                let array_data%2#5: bytes = (setbit array_data%2#4 20u 1u)
+                let array_data%2#6: bytes = (setbit array_data%2#5 21u 0u)
+                let array_data%2#7: bytes = (setbit array_data%2#6 22u 1u)
+                let array_data%2#8: bytes = (setbit array_data%2#7 23u 0u)
                 let tmp%19#0: uint64 = (== dynamic_bool_array#2 array_data%2#8)
                 (assert tmp%19#0)
                 let dynamic_bool_array#3: bytes = algopy_lib_arc4.dynamic_array_concat_bits(dynamic_bool_array#2, 0x80, 1u, 0u)
-                let array_data%3#4: any = 0x0009a0
-                let array_data%3#5: any = (setbit array_data%3#4 20u 1u)
-                let array_data%3#6: any = (setbit array_data%3#5 21u 0u)
-                let array_data%3#7: any = (setbit array_data%3#6 22u 1u)
-                let array_data%3#8: any = (setbit array_data%3#7 23u 0u)
+                let array_data%3#4: bytes = 0x0009a0
+                let array_data%3#5: bytes = (setbit array_data%3#4 20u 1u)
+                let array_data%3#6: bytes = (setbit array_data%3#5 21u 0u)
+                let array_data%3#7: bytes = (setbit array_data%3#6 22u 1u)
+                let array_data%3#8: bytes = (setbit array_data%3#7 23u 0u)
                 let array_data%3#9: bytes = (concat array_data%3#8 0x80)
                 let tmp%30#0: uint64 = (== dynamic_bool_array#3 array_data%3#9)
                 (assert tmp%30#0)
@@ -85,10 +85,10 @@ contract test_cases.arc4_types.mutation.Arc4MutationContract:
                 let (popped%1#1: bytes, dynamic_bool_array#5: bytes) = algopy_lib_arc4.dynamic_array_pop_bit(dynamic_bool_array#4)
                 let tmp%34#0: uint64 = (== popped%1#1 0x00)
                 (assert tmp%34#0)
-                let array_data%4#4: any = 0x0007a0
-                let array_data%4#5: any = (setbit array_data%4#4 20u 1u)
-                let array_data%4#6: any = (setbit array_data%4#5 21u 0u)
-                let array_data%4#7: any = (setbit array_data%4#6 22u 1u)
+                let array_data%4#4: bytes = 0x0007a0
+                let array_data%4#5: bytes = (setbit array_data%4#4 20u 1u)
+                let array_data%4#6: bytes = (setbit array_data%4#5 21u 0u)
+                let array_data%4#7: bytes = (setbit array_data%4#6 22u 1u)
                 let tmp%42#0: uint64 = (== dynamic_bool_array#5 array_data%4#7)
                 (assert tmp%42#0)
                 return 
@@ -292,7 +292,7 @@ contract test_cases.arc4_types.mutation.Arc4MutationContract:
             block@0: // L116
                 let encoded_tuple_buffer%0#5: bytes = 0x80320006000d00054861707079
                 let test_struct#0: bytes = (concat encoded_tuple_buffer%0#5 "\x00\x04Days")
-                let test_struct#1: any = (setbit test_struct#0 0u 0u)
+                let test_struct#1: bytes = (setbit test_struct#0 0u 0u)
                 let test_struct#2: bytes = ((replace2 1) test_struct#1 0x0c)
                 let encoded_tuple_buffer%1#5: bytes = 0x000c0006000d00054861707079
                 let encoded_tuple_buffer%1#6: bytes = (concat encoded_tuple_buffer%1#5 "\x00\x04Days")
diff --git a/test_cases/arc4_types/out/Arc4MutationContract.ssa.opt_pass_6.ir b/test_cases/arc4_types/out/Arc4MutationContract.ssa.opt_pass_6.ir
index 2e53a0bc32..fcd0fe1202 100644
--- a/test_cases/arc4_types/out/Arc4MutationContract.ssa.opt_pass_6.ir
+++ b/test_cases/arc4_types/out/Arc4MutationContract.ssa.opt_pass_6.ir
@@ -55,17 +55,17 @@ contract test_cases.arc4_types.mutation.Arc4MutationContract:
                 let array_length%0#0: uint64 = (extract_uint16 dynamic_bool_array#1 0u)
                 let data%1#0: bytes = ((extract 2 0) dynamic_bool_array#1)
                 let dynamic_bool_array#2: bytes = algopy_lib_arc4.dynamic_array_concat_bits(dynamic_bool_array#1, data%1#0, array_length%0#0, 1u)
-                let array_data%2#5: any = 0x0008a8
-                let array_data%2#6: any = (setbit array_data%2#5 21u 0u)
-                let array_data%2#7: any = (setbit array_data%2#6 22u 1u)
-                let array_data%2#8: any = (setbit array_data%2#7 23u 0u)
+                let array_data%2#5: bytes = 0x0008a8
+                let array_data%2#6: bytes = (setbit array_data%2#5 21u 0u)
+                let array_data%2#7: bytes = (setbit array_data%2#6 22u 1u)
+                let array_data%2#8: bytes = (setbit array_data%2#7 23u 0u)
                 let tmp%19#0: uint64 = (== dynamic_bool_array#2 array_data%2#8)
                 (assert tmp%19#0)
                 let dynamic_bool_array#3: bytes = algopy_lib_arc4.dynamic_array_concat_bits(dynamic_bool_array#2, 0x80, 1u, 0u)
-                let array_data%3#5: any = 0x0009a8
-                let array_data%3#6: any = (setbit array_data%3#5 21u 0u)
-                let array_data%3#7: any = (setbit array_data%3#6 22u 1u)
-                let array_data%3#8: any = (setbit array_data%3#7 23u 0u)
+                let array_data%3#5: bytes = 0x0009a8
+                let array_data%3#6: bytes = (setbit array_data%3#5 21u 0u)
+                let array_data%3#7: bytes = (setbit array_data%3#6 22u 1u)
+                let array_data%3#8: bytes = (setbit array_data%3#7 23u 0u)
                 let array_data%3#9: bytes = (concat array_data%3#8 0x80)
                 let tmp%30#0: uint64 = (== dynamic_bool_array#3 array_data%3#9)
                 (assert tmp%30#0)
@@ -75,9 +75,9 @@ contract test_cases.arc4_types.mutation.Arc4MutationContract:
                 let (popped%1#1: bytes, dynamic_bool_array#5: bytes) = algopy_lib_arc4.dynamic_array_pop_bit(dynamic_bool_array#4)
                 let tmp%34#0: uint64 = (== popped%1#1 0x00)
                 (assert tmp%34#0)
-                let array_data%4#5: any = 0x0007a8
-                let array_data%4#6: any = (setbit array_data%4#5 21u 0u)
-                let array_data%4#7: any = (setbit array_data%4#6 22u 1u)
+                let array_data%4#5: bytes = 0x0007a8
+                let array_data%4#6: bytes = (setbit array_data%4#5 21u 0u)
+                let array_data%4#7: bytes = (setbit array_data%4#6 22u 1u)
                 let tmp%42#0: uint64 = (== dynamic_bool_array#5 array_data%4#7)
                 (assert tmp%42#0)
                 return 
@@ -259,7 +259,7 @@ contract test_cases.arc4_types.mutation.Arc4MutationContract:
         subroutine test_cases.arc4_types.mutation.Arc4MutationContract.struct_assign() -> void:
             block@0: // L116
                 let test_struct#0: bytes = 0x80320006000d00054861707079000444617973
-                let test_struct#1: any = (setbit test_struct#0 0u 0u)
+                let test_struct#1: bytes = (setbit test_struct#0 0u 0u)
                 let test_struct#2: bytes = ((replace2 1) test_struct#1 0x0c)
                 let encoded_tuple_buffer%1#6: bytes = 0x000c0006000d00054861707079000444617973
                 let tmp%2#0: uint64 = (== test_struct#2 encoded_tuple_buffer%1#6)
diff --git a/test_cases/arc4_types/out/Arc4MutationContract.ssa.opt_pass_7.ir b/test_cases/arc4_types/out/Arc4MutationContract.ssa.opt_pass_7.ir
index 3456ceb1ff..55c119c1e8 100644
--- a/test_cases/arc4_types/out/Arc4MutationContract.ssa.opt_pass_7.ir
+++ b/test_cases/arc4_types/out/Arc4MutationContract.ssa.opt_pass_7.ir
@@ -51,15 +51,15 @@ contract test_cases.arc4_types.mutation.Arc4MutationContract:
                 let array_length%0#0: uint64 = (extract_uint16 dynamic_bool_array#1 0u)
                 let data%1#0: bytes = ((extract 2 0) dynamic_bool_array#1)
                 let dynamic_bool_array#2: bytes = algopy_lib_arc4.dynamic_array_concat_bits(dynamic_bool_array#1, data%1#0, array_length%0#0, 1u)
-                let array_data%2#6: any = 0x0008a8
-                let array_data%2#7: any = (setbit array_data%2#6 22u 1u)
-                let array_data%2#8: any = (setbit array_data%2#7 23u 0u)
+                let array_data%2#6: bytes = 0x0008a8
+                let array_data%2#7: bytes = (setbit array_data%2#6 22u 1u)
+                let array_data%2#8: bytes = (setbit array_data%2#7 23u 0u)
                 let tmp%19#0: uint64 = (== dynamic_bool_array#2 array_data%2#8)
                 (assert tmp%19#0)
                 let dynamic_bool_array#3: bytes = algopy_lib_arc4.dynamic_array_concat_bits(dynamic_bool_array#2, 0x80, 1u, 0u)
-                let array_data%3#6: any = 0x0009a8
-                let array_data%3#7: any = (setbit array_data%3#6 22u 1u)
-                let array_data%3#8: any = (setbit array_data%3#7 23u 0u)
+                let array_data%3#6: bytes = 0x0009a8
+                let array_data%3#7: bytes = (setbit array_data%3#6 22u 1u)
+                let array_data%3#8: bytes = (setbit array_data%3#7 23u 0u)
                 let array_data%3#9: bytes = (concat array_data%3#8 0x80)
                 let tmp%30#0: uint64 = (== dynamic_bool_array#3 array_data%3#9)
                 (assert tmp%30#0)
@@ -69,8 +69,8 @@ contract test_cases.arc4_types.mutation.Arc4MutationContract:
                 let (popped%1#1: bytes, dynamic_bool_array#5: bytes) = algopy_lib_arc4.dynamic_array_pop_bit(dynamic_bool_array#4)
                 let tmp%34#0: uint64 = (== popped%1#1 0x00)
                 (assert tmp%34#0)
-                let array_data%4#6: any = 0x0007a8
-                let array_data%4#7: any = (setbit array_data%4#6 22u 1u)
+                let array_data%4#6: bytes = 0x0007a8
+                let array_data%4#7: bytes = (setbit array_data%4#6 22u 1u)
                 let tmp%42#0: uint64 = (== dynamic_bool_array#5 array_data%4#7)
                 (assert tmp%42#0)
                 return 
@@ -234,7 +234,7 @@ contract test_cases.arc4_types.mutation.Arc4MutationContract:
         
         subroutine test_cases.arc4_types.mutation.Arc4MutationContract.struct_assign() -> void:
             block@0: // L116
-                let test_struct#1: any = 0x00320006000d00054861707079000444617973
+                let test_struct#1: bytes = 0x00320006000d00054861707079000444617973
                 let test_struct#2: bytes = ((replace2 1) test_struct#1 0x0c)
                 let tmp%2#0: uint64 = (== test_struct#2 0x000c0006000d00054861707079000444617973)
                 (assert tmp%2#0)
diff --git a/test_cases/arc4_types/out/Arc4MutationContract.ssa.opt_pass_8.ir b/test_cases/arc4_types/out/Arc4MutationContract.ssa.opt_pass_8.ir
index e2c29f75ce..80d5a9dd18 100644
--- a/test_cases/arc4_types/out/Arc4MutationContract.ssa.opt_pass_8.ir
+++ b/test_cases/arc4_types/out/Arc4MutationContract.ssa.opt_pass_8.ir
@@ -48,13 +48,13 @@ contract test_cases.arc4_types.mutation.Arc4MutationContract:
                 let array_length%0#0: uint64 = (extract_uint16 dynamic_bool_array#1 0u)
                 let data%1#0: bytes = ((extract 2 0) dynamic_bool_array#1)
                 let dynamic_bool_array#2: bytes = algopy_lib_arc4.dynamic_array_concat_bits(dynamic_bool_array#1, data%1#0, array_length%0#0, 1u)
-                let array_data%2#7: any = 0x0008aa
-                let array_data%2#8: any = (setbit array_data%2#7 23u 0u)
+                let array_data%2#7: bytes = 0x0008aa
+                let array_data%2#8: bytes = (setbit array_data%2#7 23u 0u)
                 let tmp%19#0: uint64 = (== dynamic_bool_array#2 array_data%2#8)
                 (assert tmp%19#0)
                 let dynamic_bool_array#3: bytes = algopy_lib_arc4.dynamic_array_concat_bits(dynamic_bool_array#2, 0x80, 1u, 0u)
-                let array_data%3#7: any = 0x0009aa
-                let array_data%3#8: any = (setbit array_data%3#7 23u 0u)
+                let array_data%3#7: bytes = 0x0009aa
+                let array_data%3#8: bytes = (setbit array_data%3#7 23u 0u)
                 let array_data%3#9: bytes = (concat array_data%3#8 0x80)
                 let tmp%30#0: uint64 = (== dynamic_bool_array#3 array_data%3#9)
                 (assert tmp%30#0)
@@ -64,7 +64,7 @@ contract test_cases.arc4_types.mutation.Arc4MutationContract:
                 let (popped%1#1: bytes, dynamic_bool_array#5: bytes) = algopy_lib_arc4.dynamic_array_pop_bit(dynamic_bool_array#4)
                 let tmp%34#0: uint64 = (== popped%1#1 0x00)
                 (assert tmp%34#0)
-                let array_data%4#7: any = 0x0007aa
+                let array_data%4#7: bytes = 0x0007aa
                 let tmp%42#0: uint64 = (== dynamic_bool_array#5 array_data%4#7)
                 (assert tmp%42#0)
                 return 
diff --git a/test_cases/arc4_types/out/Arc4MutationContract.ssa.opt_pass_9.ir b/test_cases/arc4_types/out/Arc4MutationContract.ssa.opt_pass_9.ir
index 4d4b845e4b..836c5c09cb 100644
--- a/test_cases/arc4_types/out/Arc4MutationContract.ssa.opt_pass_9.ir
+++ b/test_cases/arc4_types/out/Arc4MutationContract.ssa.opt_pass_9.ir
@@ -44,11 +44,11 @@ contract test_cases.arc4_types.mutation.Arc4MutationContract:
                 let array_length%0#0: uint64 = (extract_uint16 dynamic_bool_array#1 0u)
                 let data%1#0: bytes = ((extract 2 0) dynamic_bool_array#1)
                 let dynamic_bool_array#2: bytes = algopy_lib_arc4.dynamic_array_concat_bits(dynamic_bool_array#1, data%1#0, array_length%0#0, 1u)
-                let array_data%2#8: any = 0x0008aa
+                let array_data%2#8: bytes = 0x0008aa
                 let tmp%19#0: uint64 = (== dynamic_bool_array#2 array_data%2#8)
                 (assert tmp%19#0)
                 let dynamic_bool_array#3: bytes = algopy_lib_arc4.dynamic_array_concat_bits(dynamic_bool_array#2, 0x80, 1u, 0u)
-                let array_data%3#8: any = 0x0009aa
+                let array_data%3#8: bytes = 0x0009aa
                 let array_data%3#9: bytes = (concat array_data%3#8 0x80)
                 let tmp%30#0: uint64 = (== dynamic_bool_array#3 array_data%3#9)
                 (assert tmp%30#0)
diff --git a/test_cases/arc4_types/out/Arc4StructsFromAnotherModule.ssa.ir b/test_cases/arc4_types/out/Arc4StructsFromAnotherModule.ssa.ir
index a304ebb82a..15d69656b5 100644
--- a/test_cases/arc4_types/out/Arc4StructsFromAnotherModule.ssa.ir
+++ b/test_cases/arc4_types/out/Arc4StructsFromAnotherModule.ssa.ir
@@ -2,20 +2,20 @@ contract test_cases.arc4_types.structs2.Arc4StructsFromAnotherModule:
     program approval:
         subroutine test_cases.arc4_types.structs2.Arc4StructsFromAnotherModule.approval_program() -> uint64:
             block@0: // L7
-                let tmp%0#0: any = (setbit 0x00 0u 1u)
-                let tmp%1#0: any = (setbit 0x00 0u 0u)
-                let tmp%2#0: any = (setbit 0x00 0u 1u)
-                let tmp%3#0: any = (setbit 0x00 0u 0u)
+                let tmp%0#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%1#0: bytes = (setbit 0x00 0u 0u)
+                let tmp%2#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%3#0: bytes = (setbit 0x00 0u 0u)
                 let current_tail_offset%0#0: uint64 = 1u
                 let encoded_tuple_buffer%0#0: bytes = 0x
                 let encoded_tuple_buffer%0#1: bytes = (concat encoded_tuple_buffer%0#0 tmp%0#0)
                 let is_true%0#0: uint64 = (getbit tmp%1#0 0u)
-                let encoded_tuple_buffer%0#2: any = (setbit encoded_tuple_buffer%0#1 1u is_true%0#0)
+                let encoded_tuple_buffer%0#2: bytes = (setbit encoded_tuple_buffer%0#1 1u is_true%0#0)
                 let is_true%1#0: uint64 = (getbit tmp%2#0 0u)
-                let encoded_tuple_buffer%0#3: any = (setbit encoded_tuple_buffer%0#2 2u is_true%1#0)
+                let encoded_tuple_buffer%0#3: bytes = (setbit encoded_tuple_buffer%0#2 2u is_true%1#0)
                 let is_true%2#0: uint64 = (getbit tmp%3#0 0u)
-                let encoded_tuple_buffer%0#4: any = (setbit encoded_tuple_buffer%0#3 3u is_true%2#0)
-                let flags#0: any = encoded_tuple_buffer%0#4
+                let encoded_tuple_buffer%0#4: bytes = (setbit encoded_tuple_buffer%0#3 3u is_true%2#0)
+                let flags#0: bytes = encoded_tuple_buffer%0#4
                 (log flags#0)
                 return 1u
     
diff --git a/test_cases/arc4_types/out/Arc4StructsFromAnotherModule.ssa.opt_pass_1.ir b/test_cases/arc4_types/out/Arc4StructsFromAnotherModule.ssa.opt_pass_1.ir
index 4aa525259d..8bf62c5299 100644
--- a/test_cases/arc4_types/out/Arc4StructsFromAnotherModule.ssa.opt_pass_1.ir
+++ b/test_cases/arc4_types/out/Arc4StructsFromAnotherModule.ssa.opt_pass_1.ir
@@ -2,17 +2,17 @@ contract test_cases.arc4_types.structs2.Arc4StructsFromAnotherModule:
     program approval:
         subroutine test_cases.arc4_types.structs2.Arc4StructsFromAnotherModule.approval_program() -> uint64:
             block@0: // L7
-                let tmp%0#0: any = 0x80
-                let tmp%1#0: any = 0x00
-                let tmp%2#0: any = 0x80
-                let tmp%3#0: any = 0x00
+                let tmp%0#0: bytes = 0x80
+                let tmp%1#0: bytes = 0x00
+                let tmp%2#0: bytes = 0x80
+                let tmp%3#0: bytes = 0x00
                 let encoded_tuple_buffer%0#1: bytes = tmp%0#0
                 let is_true%0#0: uint64 = (getbit tmp%1#0 0u)
-                let encoded_tuple_buffer%0#2: any = (setbit encoded_tuple_buffer%0#1 1u is_true%0#0)
+                let encoded_tuple_buffer%0#2: bytes = (setbit encoded_tuple_buffer%0#1 1u is_true%0#0)
                 let is_true%1#0: uint64 = (getbit tmp%2#0 0u)
-                let encoded_tuple_buffer%0#3: any = (setbit encoded_tuple_buffer%0#2 2u is_true%1#0)
+                let encoded_tuple_buffer%0#3: bytes = (setbit encoded_tuple_buffer%0#2 2u is_true%1#0)
                 let is_true%2#0: uint64 = (getbit tmp%3#0 0u)
-                let flags#0: any = (setbit encoded_tuple_buffer%0#3 3u is_true%2#0)
+                let flags#0: bytes = (setbit encoded_tuple_buffer%0#3 3u is_true%2#0)
                 (log flags#0)
                 return 1u
     
diff --git a/test_cases/arc4_types/out/Arc4StructsFromAnotherModule.ssa.opt_pass_2.ir b/test_cases/arc4_types/out/Arc4StructsFromAnotherModule.ssa.opt_pass_2.ir
index 1da805e407..38c7306f1b 100644
--- a/test_cases/arc4_types/out/Arc4StructsFromAnotherModule.ssa.opt_pass_2.ir
+++ b/test_cases/arc4_types/out/Arc4StructsFromAnotherModule.ssa.opt_pass_2.ir
@@ -3,11 +3,11 @@ contract test_cases.arc4_types.structs2.Arc4StructsFromAnotherModule:
         subroutine test_cases.arc4_types.structs2.Arc4StructsFromAnotherModule.approval_program() -> uint64:
             block@0: // L7
                 let is_true%0#0: uint64 = 0u
-                let encoded_tuple_buffer%0#2: any = (setbit 0x80 1u is_true%0#0)
+                let encoded_tuple_buffer%0#2: bytes = (setbit 0x80 1u is_true%0#0)
                 let is_true%1#0: uint64 = 1u
-                let encoded_tuple_buffer%0#3: any = (setbit encoded_tuple_buffer%0#2 2u is_true%1#0)
+                let encoded_tuple_buffer%0#3: bytes = (setbit encoded_tuple_buffer%0#2 2u is_true%1#0)
                 let is_true%2#0: uint64 = 0u
-                let flags#0: any = (setbit encoded_tuple_buffer%0#3 3u is_true%2#0)
+                let flags#0: bytes = (setbit encoded_tuple_buffer%0#3 3u is_true%2#0)
                 (log flags#0)
                 return 1u
     
diff --git a/test_cases/arc4_types/out/Arc4StructsFromAnotherModule.ssa.opt_pass_3.ir b/test_cases/arc4_types/out/Arc4StructsFromAnotherModule.ssa.opt_pass_3.ir
index aff71a9005..537672c475 100644
--- a/test_cases/arc4_types/out/Arc4StructsFromAnotherModule.ssa.opt_pass_3.ir
+++ b/test_cases/arc4_types/out/Arc4StructsFromAnotherModule.ssa.opt_pass_3.ir
@@ -2,9 +2,9 @@ contract test_cases.arc4_types.structs2.Arc4StructsFromAnotherModule:
     program approval:
         subroutine test_cases.arc4_types.structs2.Arc4StructsFromAnotherModule.approval_program() -> uint64:
             block@0: // L7
-                let encoded_tuple_buffer%0#2: any = 0x80
-                let encoded_tuple_buffer%0#3: any = (setbit encoded_tuple_buffer%0#2 2u 1u)
-                let flags#0: any = (setbit encoded_tuple_buffer%0#3 3u 0u)
+                let encoded_tuple_buffer%0#2: bytes = 0x80
+                let encoded_tuple_buffer%0#3: bytes = (setbit encoded_tuple_buffer%0#2 2u 1u)
+                let flags#0: bytes = (setbit encoded_tuple_buffer%0#3 3u 0u)
                 (log flags#0)
                 return 1u
     
diff --git a/test_cases/arc4_types/out/Arc4StructsFromAnotherModule.ssa.opt_pass_4.ir b/test_cases/arc4_types/out/Arc4StructsFromAnotherModule.ssa.opt_pass_4.ir
index 5ea9752eee..416ac06fcb 100644
--- a/test_cases/arc4_types/out/Arc4StructsFromAnotherModule.ssa.opt_pass_4.ir
+++ b/test_cases/arc4_types/out/Arc4StructsFromAnotherModule.ssa.opt_pass_4.ir
@@ -2,8 +2,8 @@ contract test_cases.arc4_types.structs2.Arc4StructsFromAnotherModule:
     program approval:
         subroutine test_cases.arc4_types.structs2.Arc4StructsFromAnotherModule.approval_program() -> uint64:
             block@0: // L7
-                let encoded_tuple_buffer%0#3: any = 0xa0
-                let flags#0: any = (setbit encoded_tuple_buffer%0#3 3u 0u)
+                let encoded_tuple_buffer%0#3: bytes = 0xa0
+                let flags#0: bytes = (setbit encoded_tuple_buffer%0#3 3u 0u)
                 (log flags#0)
                 return 1u
     
diff --git a/test_cases/arc4_types/out/Arc4StructsFromAnotherModule.ssa.opt_pass_5.ir b/test_cases/arc4_types/out/Arc4StructsFromAnotherModule.ssa.opt_pass_5.ir
index a0dacf1dc9..56ff173d55 100644
--- a/test_cases/arc4_types/out/Arc4StructsFromAnotherModule.ssa.opt_pass_5.ir
+++ b/test_cases/arc4_types/out/Arc4StructsFromAnotherModule.ssa.opt_pass_5.ir
@@ -2,7 +2,7 @@ contract test_cases.arc4_types.structs2.Arc4StructsFromAnotherModule:
     program approval:
         subroutine test_cases.arc4_types.structs2.Arc4StructsFromAnotherModule.approval_program() -> uint64:
             block@0: // L7
-                let flags#0: any = 0xa0
+                let flags#0: bytes = 0xa0
                 (log flags#0)
                 return 1u
     
diff --git a/test_cases/arc4_types/out/Arc4StructsTypeContract.approval.mir b/test_cases/arc4_types/out/Arc4StructsTypeContract.approval.mir
index 206853bc6f..dc20c1c2d8 100644
--- a/test_cases/arc4_types/out/Arc4StructsTypeContract.approval.mir
+++ b/test_cases/arc4_types/out/Arc4StructsTypeContract.approval.mir
@@ -122,7 +122,7 @@ check_block@0:
     getbit                                       //                                                                                                                        (𝕡) flags#0 | {getbit}                                                                                                                                                                 flags.a                                                                             arc4_types/structs.py:56
     //                                           virtual: store is_true%0#0 to l-stack (no copy)               (𝕡) flags#0 | is_true%0#0                                                                                                                                                flags.a                                                                   arc4_types/structs.py:56
     byte 0x00                                    //                                                                                                                        (𝕡) flags#0 | is_true%0#0,0x00                                                                                                                                                         flags.a                                                                             arc4_types/structs.py:56
-    int 0                                        //                                                                                                                        (𝕡) flags#0 | is_true%0#0,0x00,0
+    int 0                                        //                                                                                                                        (𝕡) flags#0 | is_true%0#0,0x00,0                                                                                                                                                       flags.a                                                                             arc4_types/structs.py:56
     uncover 2                                    //                                                            load is_true%0#0 from l-stack (no copy)                     (𝕡) flags#0 | 0x00,0,is_true%0#0                                                                                                                                                       flags.a                                                                             arc4_types/structs.py:56
     setbit                                       //                                                                                                                        (𝕡) flags#0 | {setbit}                                                                                                                                                                 flags.a                                                                             arc4_types/structs.py:56
     //                                           virtual: store tmp%0#0 to l-stack (no copy)                   (𝕡) flags#0 | tmp%0#0                                                                                                                                                    flags.a                                                                   arc4_types/structs.py:56
@@ -137,7 +137,7 @@ check_block@0:
     getbit                                       //                                                                                                                        (𝕡) flags#0 | {getbit}                                                                                                                                                                 flags.b                                                                             arc4_types/structs.py:57
     //                                           virtual: store is_true%1#0 to l-stack (no copy)               (𝕡) flags#0 | is_true%1#0                                                                                                                                                flags.b                                                                   arc4_types/structs.py:57
     byte 0x00                                    //                                                                                                                        (𝕡) flags#0 | is_true%1#0,0x00                                                                                                                                                         flags.b                                                                             arc4_types/structs.py:57
-    int 0                                        //                                                                                                                        (𝕡) flags#0 | is_true%1#0,0x00,0
+    int 0                                        //                                                                                                                        (𝕡) flags#0 | is_true%1#0,0x00,0                                                                                                                                                       flags.b                                                                             arc4_types/structs.py:57
     uncover 2                                    //                                                            load is_true%1#0 from l-stack (no copy)                     (𝕡) flags#0 | 0x00,0,is_true%1#0                                                                                                                                                       flags.b                                                                             arc4_types/structs.py:57
     setbit                                       //                                                                                                                        (𝕡) flags#0 | {setbit}                                                                                                                                                                 flags.b                                                                             arc4_types/structs.py:57
     //                                           virtual: store tmp%2#0 to l-stack (no copy)                   (𝕡) flags#0 | tmp%2#0                                                                                                                                                    flags.b                                                                   arc4_types/structs.py:57
@@ -155,7 +155,7 @@ check_block@0:
     getbit                                       //                                                                                                                        (𝕡) flags#0 | {getbit}                                                                                                                                                                 flags.c                                                                             arc4_types/structs.py:58
     //                                           virtual: store is_true%2#0 to l-stack (no copy)               (𝕡) flags#0 | is_true%2#0                                                                                                                                                flags.c                                                                   arc4_types/structs.py:58
     byte 0x00                                    //                                                                                                                        (𝕡) flags#0 | is_true%2#0,0x00                                                                                                                                                         flags.c                                                                             arc4_types/structs.py:58
-    int 0                                        //                                                                                                                        (𝕡) flags#0 | is_true%2#0,0x00,0
+    int 0                                        //                                                                                                                        (𝕡) flags#0 | is_true%2#0,0x00,0                                                                                                                                                       flags.c                                                                             arc4_types/structs.py:58
     uncover 2                                    //                                                            load is_true%2#0 from l-stack (no copy)                     (𝕡) flags#0 | 0x00,0,is_true%2#0                                                                                                                                                       flags.c                                                                             arc4_types/structs.py:58
     setbit                                       //                                                                                                                        (𝕡) flags#0 | {setbit}                                                                                                                                                                 flags.c                                                                             arc4_types/structs.py:58
     //                                           virtual: store tmp%5#0 to l-stack (no copy)                   (𝕡) flags#0 | tmp%5#0                                                                                                                                                    flags.c                                                                   arc4_types/structs.py:58
@@ -170,7 +170,7 @@ check_block@0:
     getbit                                       //                                                                                                                        (𝕡) flags#0 | {getbit}                                                                                                                                                                 flags.d                                                                             arc4_types/structs.py:59
     //                                           virtual: store is_true%3#0 to l-stack (no copy)               (𝕡) flags#0 | is_true%3#0                                                                                                                                                flags.d                                                                   arc4_types/structs.py:59
     byte 0x00                                    //                                                                                                                        (𝕡) flags#0 | is_true%3#0,0x00                                                                                                                                                         flags.d                                                                             arc4_types/structs.py:59
-    int 0                                        //                                                                                                                        (𝕡) flags#0 | is_true%3#0,0x00,0
+    int 0                                        //                                                                                                                        (𝕡) flags#0 | is_true%3#0,0x00,0                                                                                                                                                       flags.d                                                                             arc4_types/structs.py:59
     uncover 2                                    //                                                            load is_true%3#0 from l-stack (no copy)                     (𝕡) flags#0 | 0x00,0,is_true%3#0                                                                                                                                                       flags.d                                                                             arc4_types/structs.py:59
     setbit                                       //                                                                                                                        (𝕡) flags#0 | {setbit}                                                                                                                                                                 flags.d                                                                             arc4_types/structs.py:59
     //                                           virtual: store tmp%7#0 to l-stack (no copy)                   (𝕡) flags#0 | tmp%7#0                                                                                                                                                    flags.d                                                                   arc4_types/structs.py:59
@@ -215,7 +215,7 @@ nested_decode_block@0:
     getbit                                       //                                                                                                                        (𝕡) vector_flags#0 | {getbit}                                                                                                                                                          vector_flags.flags.c                                                                arc4_types/structs.py:65
     //                                           virtual: store is_true%0#0 to l-stack (no copy)               (𝕡) vector_flags#0 | is_true%0#0                                                                                                                                         vector_flags.flags.c                                                      arc4_types/structs.py:65
     byte 0x00                                    //                                                                                                                        (𝕡) vector_flags#0 | is_true%0#0,0x00                                                                                                                                                  vector_flags.flags.c                                                                arc4_types/structs.py:65
-    int 0                                        //                                                                                                                        (𝕡) vector_flags#0 | is_true%0#0,0x00,0
+    int 0                                        //                                                                                                                        (𝕡) vector_flags#0 | is_true%0#0,0x00,0                                                                                                                                                vector_flags.flags.c                                                                arc4_types/structs.py:65
     uncover 2                                    //                                                            load is_true%0#0 from l-stack (no copy)                     (𝕡) vector_flags#0 | 0x00,0,is_true%0#0                                                                                                                                                vector_flags.flags.c                                                                arc4_types/structs.py:65
     setbit                                       //                                                                                                                        (𝕡) vector_flags#0 | {setbit}                                                                                                                                                          vector_flags.flags.c                                                                arc4_types/structs.py:65
     //                                           virtual: store tmp%5#0 to l-stack (no copy)                   (𝕡) vector_flags#0 | tmp%5#0                                                                                                                                             vector_flags.flags.c                                                      arc4_types/structs.py:65
diff --git a/test_cases/arc4_types/out/Arc4StructsTypeContract.destructured.ir b/test_cases/arc4_types/out/Arc4StructsTypeContract.destructured.ir
index 06b0f583ce..7adef55597 100644
--- a/test_cases/arc4_types/out/Arc4StructsTypeContract.destructured.ir
+++ b/test_cases/arc4_types/out/Arc4StructsTypeContract.destructured.ir
@@ -43,20 +43,20 @@ contract test_cases.arc4_types.structs.Arc4StructsTypeContract:
         subroutine test_cases.arc4_types.structs.check(flags: bytes) -> bytes:
             block@0: // L54
                 let is_true%0#0: uint64 = (getbit flags#0 0u)
-                let tmp%0#0: any = (setbit 0x00 0u is_true%0#0)
+                let tmp%0#0: bytes = (setbit 0x00 0u is_true%0#0)
                 let tmp%1#0: uint64 = (getbit tmp%0#0 0u)
                 (assert tmp%1#0)
                 let is_true%1#0: uint64 = (getbit flags#0 1u)
-                let tmp%2#0: any = (setbit 0x00 0u is_true%1#0)
+                let tmp%2#0: bytes = (setbit 0x00 0u is_true%1#0)
                 let tmp%3#0: uint64 = (getbit tmp%2#0 0u)
                 let tmp%4#0: uint64 = (! tmp%3#0)
                 (assert tmp%4#0)
                 let is_true%2#0: uint64 = (getbit flags#0 2u)
-                let tmp%5#0: any = (setbit 0x00 0u is_true%2#0)
+                let tmp%5#0: bytes = (setbit 0x00 0u is_true%2#0)
                 let tmp%6#0: uint64 = (getbit tmp%5#0 0u)
                 (assert tmp%6#0)
                 let is_true%3#0: uint64 = (getbit flags#0 3u)
-                let tmp%7#0: any = (setbit 0x00 0u is_true%3#0)
+                let tmp%7#0: bytes = (setbit 0x00 0u is_true%3#0)
                 let tmp%8#0: uint64 = (getbit tmp%7#0 0u)
                 let tmp%9#0: uint64 = (! tmp%8#0)
                 (assert tmp%9#0)
@@ -71,7 +71,7 @@ contract test_cases.arc4_types.structs.Arc4StructsTypeContract:
                 (assert tmp%3#0)
                 let tmp%4#0: bytes = ((extract 16 1) vector_flags#0)
                 let is_true%0#0: uint64 = (getbit tmp%4#0 2u)
-                let tmp%5#0: any = (setbit 0x00 0u is_true%0#0)
+                let tmp%5#0: bytes = (setbit 0x00 0u is_true%0#0)
                 let tmp%6#0: uint64 = (getbit tmp%5#0 0u)
                 (assert tmp%6#0)
                 return vector_flags#0
diff --git a/test_cases/arc4_types/out/Arc4StructsTypeContract.ssa.ir b/test_cases/arc4_types/out/Arc4StructsTypeContract.ssa.ir
index d8dfc7b933..94f7dbddb4 100644
--- a/test_cases/arc4_types/out/Arc4StructsTypeContract.ssa.ir
+++ b/test_cases/arc4_types/out/Arc4StructsTypeContract.ssa.ir
@@ -37,28 +37,28 @@ contract test_cases.arc4_types.structs.Arc4StructsTypeContract:
                 let tuple_index%0#3: uint64 = (+ tuple_index%0#1 1u)
                 goto_nth [block@2][tuple_index%0#1] else goto block@5
             block@5: // after_for_L30
-                let tmp%2#0: any = (setbit 0x00 0u 1u)
-                let tmp%3#0: any = (setbit 0x00 0u 0u)
-                let tmp%4#0: any = (setbit 0x00 0u 1u)
-                let tmp%5#0: any = (setbit 0x00 0u 0u)
+                let tmp%2#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%3#0: bytes = (setbit 0x00 0u 0u)
+                let tmp%4#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%5#0: bytes = (setbit 0x00 0u 0u)
                 let current_tail_offset%2#0: uint64 = 1u
                 let encoded_tuple_buffer%2#0: bytes = 0x
                 let encoded_tuple_buffer%2#1: bytes = (concat encoded_tuple_buffer%2#0 tmp%2#0)
                 let is_true%0#0: uint64 = (getbit tmp%3#0 0u)
-                let encoded_tuple_buffer%2#2: any = (setbit encoded_tuple_buffer%2#1 1u is_true%0#0)
+                let encoded_tuple_buffer%2#2: bytes = (setbit encoded_tuple_buffer%2#1 1u is_true%0#0)
                 let is_true%1#0: uint64 = (getbit tmp%4#0 0u)
-                let encoded_tuple_buffer%2#3: any = (setbit encoded_tuple_buffer%2#2 2u is_true%1#0)
+                let encoded_tuple_buffer%2#3: bytes = (setbit encoded_tuple_buffer%2#2 2u is_true%1#0)
                 let is_true%2#0: uint64 = (getbit tmp%5#0 0u)
-                let encoded_tuple_buffer%2#4: any = (setbit encoded_tuple_buffer%2#3 3u is_true%2#0)
-                let flags#0: any = encoded_tuple_buffer%2#4
-                let copy%2#0: any = flags#0
+                let encoded_tuple_buffer%2#4: bytes = (setbit encoded_tuple_buffer%2#3 3u is_true%2#0)
+                let flags#0: bytes = encoded_tuple_buffer%2#4
+                let copy%2#0: bytes = flags#0
                 let check%0#0: bytes = test_cases.arc4_types.structs.check(copy%2#0)
                 let copy%2#1: bytes = check%0#0
                 (log flags#0)
                 let tmp%6#0: uint64 = (== coord_1#0 coord_1#0)
                 (assert tmp%6#0)
                 let copy%3#0: bytes = coord_1#0
-                let copy%4#0: any = flags#0
+                let copy%4#0: bytes = flags#0
                 let current_tail_offset%3#0: uint64 = 17u
                 let encoded_tuple_buffer%3#0: bytes = 0x
                 let encoded_tuple_buffer%3#1: bytes = (concat encoded_tuple_buffer%3#0 copy%3#0)
@@ -92,20 +92,20 @@ contract test_cases.arc4_types.structs.Arc4StructsTypeContract:
         subroutine test_cases.arc4_types.structs.check(flags: bytes) -> bytes:
             block@0: // L54
                 let is_true%0#0: uint64 = (getbit flags#0 0u)
-                let tmp%0#0: any = (setbit 0x00 0u is_true%0#0)
+                let tmp%0#0: bytes = (setbit 0x00 0u is_true%0#0)
                 let tmp%1#0: uint64 = (getbit tmp%0#0 0u)
                 (assert tmp%1#0)
                 let is_true%1#0: uint64 = (getbit flags#0 1u)
-                let tmp%2#0: any = (setbit 0x00 0u is_true%1#0)
+                let tmp%2#0: bytes = (setbit 0x00 0u is_true%1#0)
                 let tmp%3#0: uint64 = (getbit tmp%2#0 0u)
                 let tmp%4#0: uint64 = (! tmp%3#0)
                 (assert tmp%4#0)
                 let is_true%2#0: uint64 = (getbit flags#0 2u)
-                let tmp%5#0: any = (setbit 0x00 0u is_true%2#0)
+                let tmp%5#0: bytes = (setbit 0x00 0u is_true%2#0)
                 let tmp%6#0: uint64 = (getbit tmp%5#0 0u)
                 (assert tmp%6#0)
                 let is_true%3#0: uint64 = (getbit flags#0 3u)
-                let tmp%7#0: any = (setbit 0x00 0u is_true%3#0)
+                let tmp%7#0: bytes = (setbit 0x00 0u is_true%3#0)
                 let tmp%8#0: uint64 = (getbit tmp%7#0 0u)
                 let tmp%9#0: uint64 = (! tmp%8#0)
                 (assert tmp%9#0)
@@ -120,7 +120,7 @@ contract test_cases.arc4_types.structs.Arc4StructsTypeContract:
                 (assert tmp%3#0)
                 let tmp%4#0: bytes = (extract3 vector_flags#0 16u 1u)
                 let is_true%0#0: uint64 = (getbit tmp%4#0 2u)
-                let tmp%5#0: any = (setbit 0x00 0u is_true%0#0)
+                let tmp%5#0: bytes = (setbit 0x00 0u is_true%0#0)
                 let tmp%6#0: uint64 = (getbit tmp%5#0 0u)
                 (assert tmp%6#0)
                 return vector_flags#0
diff --git a/test_cases/arc4_types/out/Arc4StructsTypeContract.ssa.opt_pass_1.ir b/test_cases/arc4_types/out/Arc4StructsTypeContract.ssa.opt_pass_1.ir
index 853a0c4be4..750e5daf42 100644
--- a/test_cases/arc4_types/out/Arc4StructsTypeContract.ssa.opt_pass_1.ir
+++ b/test_cases/arc4_types/out/Arc4StructsTypeContract.ssa.opt_pass_1.ir
@@ -20,17 +20,17 @@ contract test_cases.arc4_types.structs.Arc4StructsTypeContract:
                 let tuple_index%0#3: uint64 = (+ tuple_index%0#1 1u)
                 goto tuple_index%0#1 ? block@5 : block@2
             block@5: // after_for_L30
-                let tmp%2#0: any = 0x80
-                let tmp%3#0: any = 0x00
-                let tmp%4#0: any = 0x80
-                let tmp%5#0: any = 0x00
+                let tmp%2#0: bytes = 0x80
+                let tmp%3#0: bytes = 0x00
+                let tmp%4#0: bytes = 0x80
+                let tmp%5#0: bytes = 0x00
                 let encoded_tuple_buffer%2#1: bytes = tmp%2#0
                 let is_true%0#0: uint64 = (getbit tmp%3#0 0u)
-                let encoded_tuple_buffer%2#2: any = (setbit encoded_tuple_buffer%2#1 1u is_true%0#0)
+                let encoded_tuple_buffer%2#2: bytes = (setbit encoded_tuple_buffer%2#1 1u is_true%0#0)
                 let is_true%1#0: uint64 = (getbit tmp%4#0 0u)
-                let encoded_tuple_buffer%2#3: any = (setbit encoded_tuple_buffer%2#2 2u is_true%1#0)
+                let encoded_tuple_buffer%2#3: bytes = (setbit encoded_tuple_buffer%2#2 2u is_true%1#0)
                 let is_true%2#0: uint64 = (getbit tmp%5#0 0u)
-                let flags#0: any = (setbit encoded_tuple_buffer%2#3 3u is_true%2#0)
+                let flags#0: bytes = (setbit encoded_tuple_buffer%2#3 3u is_true%2#0)
                 let check%0#0: bytes = test_cases.arc4_types.structs.check(flags#0)
                 (log flags#0)
                 let tmp%6#0: uint64 = 1u
@@ -63,20 +63,20 @@ contract test_cases.arc4_types.structs.Arc4StructsTypeContract:
         subroutine test_cases.arc4_types.structs.check(flags: bytes) -> bytes:
             block@0: // L54
                 let is_true%0#0: uint64 = (getbit flags#0 0u)
-                let tmp%0#0: any = (setbit 0x00 0u is_true%0#0)
+                let tmp%0#0: bytes = (setbit 0x00 0u is_true%0#0)
                 let tmp%1#0: uint64 = (getbit tmp%0#0 0u)
                 (assert tmp%1#0)
                 let is_true%1#0: uint64 = (getbit flags#0 1u)
-                let tmp%2#0: any = (setbit 0x00 0u is_true%1#0)
+                let tmp%2#0: bytes = (setbit 0x00 0u is_true%1#0)
                 let tmp%3#0: uint64 = (getbit tmp%2#0 0u)
                 let tmp%4#0: uint64 = (! tmp%3#0)
                 (assert tmp%4#0)
                 let is_true%2#0: uint64 = (getbit flags#0 2u)
-                let tmp%5#0: any = (setbit 0x00 0u is_true%2#0)
+                let tmp%5#0: bytes = (setbit 0x00 0u is_true%2#0)
                 let tmp%6#0: uint64 = (getbit tmp%5#0 0u)
                 (assert tmp%6#0)
                 let is_true%3#0: uint64 = (getbit flags#0 3u)
-                let tmp%7#0: any = (setbit 0x00 0u is_true%3#0)
+                let tmp%7#0: bytes = (setbit 0x00 0u is_true%3#0)
                 let tmp%8#0: uint64 = (getbit tmp%7#0 0u)
                 let tmp%9#0: uint64 = (! tmp%8#0)
                 (assert tmp%9#0)
@@ -91,7 +91,7 @@ contract test_cases.arc4_types.structs.Arc4StructsTypeContract:
                 (assert tmp%3#0)
                 let tmp%4#0: bytes = ((extract 16 1) vector_flags#0)
                 let is_true%0#0: uint64 = (getbit tmp%4#0 2u)
-                let tmp%5#0: any = (setbit 0x00 0u is_true%0#0)
+                let tmp%5#0: bytes = (setbit 0x00 0u is_true%0#0)
                 let tmp%6#0: uint64 = (getbit tmp%5#0 0u)
                 (assert tmp%6#0)
                 return vector_flags#0
diff --git a/test_cases/arc4_types/out/Arc4StructsTypeContract.ssa.opt_pass_2.ir b/test_cases/arc4_types/out/Arc4StructsTypeContract.ssa.opt_pass_2.ir
index 161f79a875..19f5919e26 100644
--- a/test_cases/arc4_types/out/Arc4StructsTypeContract.ssa.opt_pass_2.ir
+++ b/test_cases/arc4_types/out/Arc4StructsTypeContract.ssa.opt_pass_2.ir
@@ -19,11 +19,11 @@ contract test_cases.arc4_types.structs.Arc4StructsTypeContract:
                 goto tuple_index%0#1 ? block@5 : block@2
             block@5: // after_for_L30
                 let is_true%0#0: uint64 = 0u
-                let encoded_tuple_buffer%2#2: any = (setbit 0x80 1u is_true%0#0)
+                let encoded_tuple_buffer%2#2: bytes = (setbit 0x80 1u is_true%0#0)
                 let is_true%1#0: uint64 = 1u
-                let encoded_tuple_buffer%2#3: any = (setbit encoded_tuple_buffer%2#2 2u is_true%1#0)
+                let encoded_tuple_buffer%2#3: bytes = (setbit encoded_tuple_buffer%2#2 2u is_true%1#0)
                 let is_true%2#0: uint64 = 0u
-                let flags#0: any = (setbit encoded_tuple_buffer%2#3 3u is_true%2#0)
+                let flags#0: bytes = (setbit encoded_tuple_buffer%2#3 3u is_true%2#0)
                 let check%0#0: bytes = test_cases.arc4_types.structs.check(flags#0)
                 (log flags#0)
                 let encoded_tuple_buffer%3#2: bytes = (concat coord_1#0 flags#0)
@@ -52,20 +52,20 @@ contract test_cases.arc4_types.structs.Arc4StructsTypeContract:
         subroutine test_cases.arc4_types.structs.check(flags: bytes) -> bytes:
             block@0: // L54
                 let is_true%0#0: uint64 = (getbit flags#0 0u)
-                let tmp%0#0: any = (setbit 0x00 0u is_true%0#0)
+                let tmp%0#0: bytes = (setbit 0x00 0u is_true%0#0)
                 let tmp%1#0: uint64 = (getbit tmp%0#0 0u)
                 (assert tmp%1#0)
                 let is_true%1#0: uint64 = (getbit flags#0 1u)
-                let tmp%2#0: any = (setbit 0x00 0u is_true%1#0)
+                let tmp%2#0: bytes = (setbit 0x00 0u is_true%1#0)
                 let tmp%3#0: uint64 = (getbit tmp%2#0 0u)
                 let tmp%4#0: uint64 = (! tmp%3#0)
                 (assert tmp%4#0)
                 let is_true%2#0: uint64 = (getbit flags#0 2u)
-                let tmp%5#0: any = (setbit 0x00 0u is_true%2#0)
+                let tmp%5#0: bytes = (setbit 0x00 0u is_true%2#0)
                 let tmp%6#0: uint64 = (getbit tmp%5#0 0u)
                 (assert tmp%6#0)
                 let is_true%3#0: uint64 = (getbit flags#0 3u)
-                let tmp%7#0: any = (setbit 0x00 0u is_true%3#0)
+                let tmp%7#0: bytes = (setbit 0x00 0u is_true%3#0)
                 let tmp%8#0: uint64 = (getbit tmp%7#0 0u)
                 let tmp%9#0: uint64 = (! tmp%8#0)
                 (assert tmp%9#0)
@@ -80,7 +80,7 @@ contract test_cases.arc4_types.structs.Arc4StructsTypeContract:
                 (assert tmp%3#0)
                 let tmp%4#0: bytes = ((extract 16 1) vector_flags#0)
                 let is_true%0#0: uint64 = (getbit tmp%4#0 2u)
-                let tmp%5#0: any = (setbit 0x00 0u is_true%0#0)
+                let tmp%5#0: bytes = (setbit 0x00 0u is_true%0#0)
                 let tmp%6#0: uint64 = (getbit tmp%5#0 0u)
                 (assert tmp%6#0)
                 return vector_flags#0
diff --git a/test_cases/arc4_types/out/Arc4StructsTypeContract.ssa.opt_pass_3.ir b/test_cases/arc4_types/out/Arc4StructsTypeContract.ssa.opt_pass_3.ir
index 55f5c862c5..11aba647e5 100644
--- a/test_cases/arc4_types/out/Arc4StructsTypeContract.ssa.opt_pass_3.ir
+++ b/test_cases/arc4_types/out/Arc4StructsTypeContract.ssa.opt_pass_3.ir
@@ -16,9 +16,9 @@ contract test_cases.arc4_types.structs.Arc4StructsTypeContract:
                 let tuple_index%0#3: uint64 = (+ tuple_index%0#1 1u)
                 goto tuple_index%0#1 ? block@5 : block@2
             block@5: // after_for_L30
-                let encoded_tuple_buffer%2#2: any = 0x80
-                let encoded_tuple_buffer%2#3: any = (setbit encoded_tuple_buffer%2#2 2u 1u)
-                let flags#0: any = (setbit encoded_tuple_buffer%2#3 3u 0u)
+                let encoded_tuple_buffer%2#2: bytes = 0x80
+                let encoded_tuple_buffer%2#3: bytes = (setbit encoded_tuple_buffer%2#2 2u 1u)
+                let flags#0: bytes = (setbit encoded_tuple_buffer%2#3 3u 0u)
                 let check%0#0: bytes = test_cases.arc4_types.structs.check(flags#0)
                 (log flags#0)
                 let encoded_tuple_buffer%3#2: bytes = (concat 0x000000083cfbf217000000230384b842 flags#0)
@@ -47,20 +47,20 @@ contract test_cases.arc4_types.structs.Arc4StructsTypeContract:
         subroutine test_cases.arc4_types.structs.check(flags: bytes) -> bytes:
             block@0: // L54
                 let is_true%0#0: uint64 = (getbit flags#0 0u)
-                let tmp%0#0: any = (setbit 0x00 0u is_true%0#0)
+                let tmp%0#0: bytes = (setbit 0x00 0u is_true%0#0)
                 let tmp%1#0: uint64 = (getbit tmp%0#0 0u)
                 (assert tmp%1#0)
                 let is_true%1#0: uint64 = (getbit flags#0 1u)
-                let tmp%2#0: any = (setbit 0x00 0u is_true%1#0)
+                let tmp%2#0: bytes = (setbit 0x00 0u is_true%1#0)
                 let tmp%3#0: uint64 = (getbit tmp%2#0 0u)
                 let tmp%4#0: uint64 = (! tmp%3#0)
                 (assert tmp%4#0)
                 let is_true%2#0: uint64 = (getbit flags#0 2u)
-                let tmp%5#0: any = (setbit 0x00 0u is_true%2#0)
+                let tmp%5#0: bytes = (setbit 0x00 0u is_true%2#0)
                 let tmp%6#0: uint64 = (getbit tmp%5#0 0u)
                 (assert tmp%6#0)
                 let is_true%3#0: uint64 = (getbit flags#0 3u)
-                let tmp%7#0: any = (setbit 0x00 0u is_true%3#0)
+                let tmp%7#0: bytes = (setbit 0x00 0u is_true%3#0)
                 let tmp%8#0: uint64 = (getbit tmp%7#0 0u)
                 let tmp%9#0: uint64 = (! tmp%8#0)
                 (assert tmp%9#0)
@@ -75,7 +75,7 @@ contract test_cases.arc4_types.structs.Arc4StructsTypeContract:
                 (assert tmp%3#0)
                 let tmp%4#0: bytes = ((extract 16 1) vector_flags#0)
                 let is_true%0#0: uint64 = (getbit tmp%4#0 2u)
-                let tmp%5#0: any = (setbit 0x00 0u is_true%0#0)
+                let tmp%5#0: bytes = (setbit 0x00 0u is_true%0#0)
                 let tmp%6#0: uint64 = (getbit tmp%5#0 0u)
                 (assert tmp%6#0)
                 return vector_flags#0
diff --git a/test_cases/arc4_types/out/Arc4StructsTypeContract.ssa.opt_pass_4.ir b/test_cases/arc4_types/out/Arc4StructsTypeContract.ssa.opt_pass_4.ir
index 1480e86680..6107496bca 100644
--- a/test_cases/arc4_types/out/Arc4StructsTypeContract.ssa.opt_pass_4.ir
+++ b/test_cases/arc4_types/out/Arc4StructsTypeContract.ssa.opt_pass_4.ir
@@ -16,8 +16,8 @@ contract test_cases.arc4_types.structs.Arc4StructsTypeContract:
                 let tuple_index%0#3: uint64 = (+ tuple_index%0#1 1u)
                 goto tuple_index%0#1 ? block@5 : block@2
             block@5: // after_for_L30
-                let encoded_tuple_buffer%2#3: any = 0xa0
-                let flags#0: any = (setbit encoded_tuple_buffer%2#3 3u 0u)
+                let encoded_tuple_buffer%2#3: bytes = 0xa0
+                let flags#0: bytes = (setbit encoded_tuple_buffer%2#3 3u 0u)
                 let check%0#0: bytes = test_cases.arc4_types.structs.check(flags#0)
                 (log flags#0)
                 let encoded_tuple_buffer%3#2: bytes = (concat 0x000000083cfbf217000000230384b842 flags#0)
@@ -46,20 +46,20 @@ contract test_cases.arc4_types.structs.Arc4StructsTypeContract:
         subroutine test_cases.arc4_types.structs.check(flags: bytes) -> bytes:
             block@0: // L54
                 let is_true%0#0: uint64 = (getbit flags#0 0u)
-                let tmp%0#0: any = (setbit 0x00 0u is_true%0#0)
+                let tmp%0#0: bytes = (setbit 0x00 0u is_true%0#0)
                 let tmp%1#0: uint64 = (getbit tmp%0#0 0u)
                 (assert tmp%1#0)
                 let is_true%1#0: uint64 = (getbit flags#0 1u)
-                let tmp%2#0: any = (setbit 0x00 0u is_true%1#0)
+                let tmp%2#0: bytes = (setbit 0x00 0u is_true%1#0)
                 let tmp%3#0: uint64 = (getbit tmp%2#0 0u)
                 let tmp%4#0: uint64 = (! tmp%3#0)
                 (assert tmp%4#0)
                 let is_true%2#0: uint64 = (getbit flags#0 2u)
-                let tmp%5#0: any = (setbit 0x00 0u is_true%2#0)
+                let tmp%5#0: bytes = (setbit 0x00 0u is_true%2#0)
                 let tmp%6#0: uint64 = (getbit tmp%5#0 0u)
                 (assert tmp%6#0)
                 let is_true%3#0: uint64 = (getbit flags#0 3u)
-                let tmp%7#0: any = (setbit 0x00 0u is_true%3#0)
+                let tmp%7#0: bytes = (setbit 0x00 0u is_true%3#0)
                 let tmp%8#0: uint64 = (getbit tmp%7#0 0u)
                 let tmp%9#0: uint64 = (! tmp%8#0)
                 (assert tmp%9#0)
@@ -74,7 +74,7 @@ contract test_cases.arc4_types.structs.Arc4StructsTypeContract:
                 (assert tmp%3#0)
                 let tmp%4#0: bytes = ((extract 16 1) vector_flags#0)
                 let is_true%0#0: uint64 = (getbit tmp%4#0 2u)
-                let tmp%5#0: any = (setbit 0x00 0u is_true%0#0)
+                let tmp%5#0: bytes = (setbit 0x00 0u is_true%0#0)
                 let tmp%6#0: uint64 = (getbit tmp%5#0 0u)
                 (assert tmp%6#0)
                 return vector_flags#0
diff --git a/test_cases/arc4_types/out/Arc4StructsTypeContract.ssa.opt_pass_5.ir b/test_cases/arc4_types/out/Arc4StructsTypeContract.ssa.opt_pass_5.ir
index 13f355cc12..205a877866 100644
--- a/test_cases/arc4_types/out/Arc4StructsTypeContract.ssa.opt_pass_5.ir
+++ b/test_cases/arc4_types/out/Arc4StructsTypeContract.ssa.opt_pass_5.ir
@@ -16,7 +16,7 @@ contract test_cases.arc4_types.structs.Arc4StructsTypeContract:
                 let tuple_index%0#3: uint64 = (+ tuple_index%0#1 1u)
                 goto tuple_index%0#1 ? block@5 : block@2
             block@5: // after_for_L30
-                let flags#0: any = 0xa0
+                let flags#0: bytes = 0xa0
                 let check%0#0: bytes = test_cases.arc4_types.structs.check(flags#0)
                 (log flags#0)
                 let encoded_tuple_buffer%3#2: bytes = (concat 0x000000083cfbf217000000230384b842 flags#0)
@@ -45,20 +45,20 @@ contract test_cases.arc4_types.structs.Arc4StructsTypeContract:
         subroutine test_cases.arc4_types.structs.check(flags: bytes) -> bytes:
             block@0: // L54
                 let is_true%0#0: uint64 = (getbit flags#0 0u)
-                let tmp%0#0: any = (setbit 0x00 0u is_true%0#0)
+                let tmp%0#0: bytes = (setbit 0x00 0u is_true%0#0)
                 let tmp%1#0: uint64 = (getbit tmp%0#0 0u)
                 (assert tmp%1#0)
                 let is_true%1#0: uint64 = (getbit flags#0 1u)
-                let tmp%2#0: any = (setbit 0x00 0u is_true%1#0)
+                let tmp%2#0: bytes = (setbit 0x00 0u is_true%1#0)
                 let tmp%3#0: uint64 = (getbit tmp%2#0 0u)
                 let tmp%4#0: uint64 = (! tmp%3#0)
                 (assert tmp%4#0)
                 let is_true%2#0: uint64 = (getbit flags#0 2u)
-                let tmp%5#0: any = (setbit 0x00 0u is_true%2#0)
+                let tmp%5#0: bytes = (setbit 0x00 0u is_true%2#0)
                 let tmp%6#0: uint64 = (getbit tmp%5#0 0u)
                 (assert tmp%6#0)
                 let is_true%3#0: uint64 = (getbit flags#0 3u)
-                let tmp%7#0: any = (setbit 0x00 0u is_true%3#0)
+                let tmp%7#0: bytes = (setbit 0x00 0u is_true%3#0)
                 let tmp%8#0: uint64 = (getbit tmp%7#0 0u)
                 let tmp%9#0: uint64 = (! tmp%8#0)
                 (assert tmp%9#0)
@@ -73,7 +73,7 @@ contract test_cases.arc4_types.structs.Arc4StructsTypeContract:
                 (assert tmp%3#0)
                 let tmp%4#0: bytes = ((extract 16 1) vector_flags#0)
                 let is_true%0#0: uint64 = (getbit tmp%4#0 2u)
-                let tmp%5#0: any = (setbit 0x00 0u is_true%0#0)
+                let tmp%5#0: bytes = (setbit 0x00 0u is_true%0#0)
                 let tmp%6#0: uint64 = (getbit tmp%5#0 0u)
                 (assert tmp%6#0)
                 return vector_flags#0
diff --git a/test_cases/arc4_types/out/Arc4StructsTypeContract.ssa.opt_pass_6.ir b/test_cases/arc4_types/out/Arc4StructsTypeContract.ssa.opt_pass_6.ir
index 136f64d817..38e5e40014 100644
--- a/test_cases/arc4_types/out/Arc4StructsTypeContract.ssa.opt_pass_6.ir
+++ b/test_cases/arc4_types/out/Arc4StructsTypeContract.ssa.opt_pass_6.ir
@@ -44,20 +44,20 @@ contract test_cases.arc4_types.structs.Arc4StructsTypeContract:
         subroutine test_cases.arc4_types.structs.check(flags: bytes) -> bytes:
             block@0: // L54
                 let is_true%0#0: uint64 = (getbit flags#0 0u)
-                let tmp%0#0: any = (setbit 0x00 0u is_true%0#0)
+                let tmp%0#0: bytes = (setbit 0x00 0u is_true%0#0)
                 let tmp%1#0: uint64 = (getbit tmp%0#0 0u)
                 (assert tmp%1#0)
                 let is_true%1#0: uint64 = (getbit flags#0 1u)
-                let tmp%2#0: any = (setbit 0x00 0u is_true%1#0)
+                let tmp%2#0: bytes = (setbit 0x00 0u is_true%1#0)
                 let tmp%3#0: uint64 = (getbit tmp%2#0 0u)
                 let tmp%4#0: uint64 = (! tmp%3#0)
                 (assert tmp%4#0)
                 let is_true%2#0: uint64 = (getbit flags#0 2u)
-                let tmp%5#0: any = (setbit 0x00 0u is_true%2#0)
+                let tmp%5#0: bytes = (setbit 0x00 0u is_true%2#0)
                 let tmp%6#0: uint64 = (getbit tmp%5#0 0u)
                 (assert tmp%6#0)
                 let is_true%3#0: uint64 = (getbit flags#0 3u)
-                let tmp%7#0: any = (setbit 0x00 0u is_true%3#0)
+                let tmp%7#0: bytes = (setbit 0x00 0u is_true%3#0)
                 let tmp%8#0: uint64 = (getbit tmp%7#0 0u)
                 let tmp%9#0: uint64 = (! tmp%8#0)
                 (assert tmp%9#0)
@@ -72,7 +72,7 @@ contract test_cases.arc4_types.structs.Arc4StructsTypeContract:
                 (assert tmp%3#0)
                 let tmp%4#0: bytes = ((extract 16 1) vector_flags#0)
                 let is_true%0#0: uint64 = (getbit tmp%4#0 2u)
-                let tmp%5#0: any = (setbit 0x00 0u is_true%0#0)
+                let tmp%5#0: bytes = (setbit 0x00 0u is_true%0#0)
                 let tmp%6#0: uint64 = (getbit tmp%5#0 0u)
                 (assert tmp%6#0)
                 return vector_flags#0
diff --git a/test_cases/arc4_types/out/Arc4StructsTypeContract.ssa.opt_pass_7.ir b/test_cases/arc4_types/out/Arc4StructsTypeContract.ssa.opt_pass_7.ir
index e8ebee52e8..2df88a62ed 100644
--- a/test_cases/arc4_types/out/Arc4StructsTypeContract.ssa.opt_pass_7.ir
+++ b/test_cases/arc4_types/out/Arc4StructsTypeContract.ssa.opt_pass_7.ir
@@ -43,20 +43,20 @@ contract test_cases.arc4_types.structs.Arc4StructsTypeContract:
         subroutine test_cases.arc4_types.structs.check(flags: bytes) -> bytes:
             block@0: // L54
                 let is_true%0#0: uint64 = (getbit flags#0 0u)
-                let tmp%0#0: any = (setbit 0x00 0u is_true%0#0)
+                let tmp%0#0: bytes = (setbit 0x00 0u is_true%0#0)
                 let tmp%1#0: uint64 = (getbit tmp%0#0 0u)
                 (assert tmp%1#0)
                 let is_true%1#0: uint64 = (getbit flags#0 1u)
-                let tmp%2#0: any = (setbit 0x00 0u is_true%1#0)
+                let tmp%2#0: bytes = (setbit 0x00 0u is_true%1#0)
                 let tmp%3#0: uint64 = (getbit tmp%2#0 0u)
                 let tmp%4#0: uint64 = (! tmp%3#0)
                 (assert tmp%4#0)
                 let is_true%2#0: uint64 = (getbit flags#0 2u)
-                let tmp%5#0: any = (setbit 0x00 0u is_true%2#0)
+                let tmp%5#0: bytes = (setbit 0x00 0u is_true%2#0)
                 let tmp%6#0: uint64 = (getbit tmp%5#0 0u)
                 (assert tmp%6#0)
                 let is_true%3#0: uint64 = (getbit flags#0 3u)
-                let tmp%7#0: any = (setbit 0x00 0u is_true%3#0)
+                let tmp%7#0: bytes = (setbit 0x00 0u is_true%3#0)
                 let tmp%8#0: uint64 = (getbit tmp%7#0 0u)
                 let tmp%9#0: uint64 = (! tmp%8#0)
                 (assert tmp%9#0)
@@ -71,7 +71,7 @@ contract test_cases.arc4_types.structs.Arc4StructsTypeContract:
                 (assert tmp%3#0)
                 let tmp%4#0: bytes = ((extract 16 1) vector_flags#0)
                 let is_true%0#0: uint64 = (getbit tmp%4#0 2u)
-                let tmp%5#0: any = (setbit 0x00 0u is_true%0#0)
+                let tmp%5#0: bytes = (setbit 0x00 0u is_true%0#0)
                 let tmp%6#0: uint64 = (getbit tmp%5#0 0u)
                 (assert tmp%6#0)
                 return vector_flags#0
diff --git a/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.ir b/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.ir
index 3a6394ea7b..6fbb266ee9 100644
--- a/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.ir
+++ b/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.ir
@@ -22,33 +22,33 @@ contract test_cases.arc4_types.tuples.Arc4TuplesTypeContract:
                 let my_tuple#0: bytes = encoded_tuple_buffer%0#7
                 let tmp%0#0: uint64 = (== my_tuple#0 0x01020007000eff000568656c6c6f0005776f726c64)
                 (assert tmp%0#0)
-                let tmp%1#0: any = (setbit 0x00 0u 1u)
-                let tmp%2#0: any = (setbit 0x00 0u 0u)
-                let tmp%3#0: any = (setbit 0x00 0u 1u)
-                let tmp%4#0: any = (setbit 0x00 0u 1u)
-                let tmp%5#0: any = (setbit 0x00 0u 1u)
-                let tmp%6#0: any = (setbit 0x00 0u 1u)
-                let tmp%7#0: any = (setbit 0x00 0u 0u)
-                let tmp%8#0: any = (setbit 0x00 0u 1u)
-                let tmp%9#0: any = (setbit 0x00 0u 1u)
+                let tmp%1#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%2#0: bytes = (setbit 0x00 0u 0u)
+                let tmp%3#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%4#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%5#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%6#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%7#0: bytes = (setbit 0x00 0u 0u)
+                let tmp%8#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%9#0: bytes = (setbit 0x00 0u 1u)
                 let current_tail_offset%1#0: uint64 = 4u
                 let encoded_tuple_buffer%1#0: bytes = 0x
                 let encoded_tuple_buffer%1#1: bytes = (concat encoded_tuple_buffer%1#0 0x04)
                 let encoded_tuple_buffer%1#2: bytes = (concat encoded_tuple_buffer%1#1 tmp%1#0)
                 let is_true%0#0: uint64 = (getbit tmp%2#0 0u)
-                let encoded_tuple_buffer%1#3: any = (setbit encoded_tuple_buffer%1#2 9u is_true%0#0)
+                let encoded_tuple_buffer%1#3: bytes = (setbit encoded_tuple_buffer%1#2 9u is_true%0#0)
                 let is_true%1#0: uint64 = (getbit tmp%3#0 0u)
-                let encoded_tuple_buffer%1#4: any = (setbit encoded_tuple_buffer%1#3 10u is_true%1#0)
+                let encoded_tuple_buffer%1#4: bytes = (setbit encoded_tuple_buffer%1#3 10u is_true%1#0)
                 let is_true%2#0: uint64 = (getbit tmp%4#0 0u)
-                let encoded_tuple_buffer%1#5: any = (setbit encoded_tuple_buffer%1#4 11u is_true%2#0)
+                let encoded_tuple_buffer%1#5: bytes = (setbit encoded_tuple_buffer%1#4 11u is_true%2#0)
                 let is_true%3#0: uint64 = (getbit tmp%5#0 0u)
-                let encoded_tuple_buffer%1#6: any = (setbit encoded_tuple_buffer%1#5 12u is_true%3#0)
+                let encoded_tuple_buffer%1#6: bytes = (setbit encoded_tuple_buffer%1#5 12u is_true%3#0)
                 let is_true%4#0: uint64 = (getbit tmp%6#0 0u)
-                let encoded_tuple_buffer%1#7: any = (setbit encoded_tuple_buffer%1#6 13u is_true%4#0)
+                let encoded_tuple_buffer%1#7: bytes = (setbit encoded_tuple_buffer%1#6 13u is_true%4#0)
                 let is_true%5#0: uint64 = (getbit tmp%7#0 0u)
-                let encoded_tuple_buffer%1#8: any = (setbit encoded_tuple_buffer%1#7 14u is_true%5#0)
+                let encoded_tuple_buffer%1#8: bytes = (setbit encoded_tuple_buffer%1#7 14u is_true%5#0)
                 let is_true%6#0: uint64 = (getbit tmp%8#0 0u)
-                let encoded_tuple_buffer%1#9: any = (setbit encoded_tuple_buffer%1#8 15u is_true%6#0)
+                let encoded_tuple_buffer%1#9: bytes = (setbit encoded_tuple_buffer%1#8 15u is_true%6#0)
                 let encoded_tuple_buffer%1#10: bytes = (concat encoded_tuple_buffer%1#9 tmp%9#0)
                 let encoded_tuple_buffer%1#11: bytes = (concat encoded_tuple_buffer%1#10 0x10)
                 let boolean_packing#0: bytes = encoded_tuple_buffer%1#11
@@ -56,34 +56,34 @@ contract test_cases.arc4_types.tuples.Arc4TuplesTypeContract:
                 (assert tmp%10#0)
                 let item0%0#0: bytes = (extract3 boolean_packing#0 0u 1u)
                 let is_true%7#0: uint64 = (getbit boolean_packing#0 8u)
-                let item1%0#0: any = (setbit 0x00 0u is_true%7#0)
+                let item1%0#0: bytes = (setbit 0x00 0u is_true%7#0)
                 let is_true%8#0: uint64 = (getbit boolean_packing#0 9u)
-                let item2%0#0: any = (setbit 0x00 0u is_true%8#0)
+                let item2%0#0: bytes = (setbit 0x00 0u is_true%8#0)
                 let is_true%9#0: uint64 = (getbit boolean_packing#0 10u)
-                let item3%0#0: any = (setbit 0x00 0u is_true%9#0)
+                let item3%0#0: bytes = (setbit 0x00 0u is_true%9#0)
                 let is_true%10#0: uint64 = (getbit boolean_packing#0 11u)
-                let item4%0#0: any = (setbit 0x00 0u is_true%10#0)
+                let item4%0#0: bytes = (setbit 0x00 0u is_true%10#0)
                 let is_true%11#0: uint64 = (getbit boolean_packing#0 12u)
-                let item5%0#0: any = (setbit 0x00 0u is_true%11#0)
+                let item5%0#0: bytes = (setbit 0x00 0u is_true%11#0)
                 let is_true%12#0: uint64 = (getbit boolean_packing#0 13u)
-                let item6%0#0: any = (setbit 0x00 0u is_true%12#0)
+                let item6%0#0: bytes = (setbit 0x00 0u is_true%12#0)
                 let is_true%13#0: uint64 = (getbit boolean_packing#0 14u)
-                let item7%0#0: any = (setbit 0x00 0u is_true%13#0)
+                let item7%0#0: bytes = (setbit 0x00 0u is_true%13#0)
                 let is_true%14#0: uint64 = (getbit boolean_packing#0 15u)
-                let item8%0#0: any = (setbit 0x00 0u is_true%14#0)
+                let item8%0#0: bytes = (setbit 0x00 0u is_true%14#0)
                 let is_true%15#0: uint64 = (getbit boolean_packing#0 16u)
-                let item9%0#0: any = (setbit 0x00 0u is_true%15#0)
+                let item9%0#0: bytes = (setbit 0x00 0u is_true%15#0)
                 let item10%0#0: bytes = (extract3 boolean_packing#0 3u 1u)
                 let a#0: bytes = item0%0#0
-                let b#0: any = item1%0#0
-                let c#0: any = item2%0#0
-                let d#0: any = item3%0#0
-                let e#0: any = item4%0#0
-                let f#0: any = item5%0#0
-                let g#0: any = item6%0#0
-                let h#0: any = item7%0#0
-                let i#0: any = item8%0#0
-                let j#0: any = item9%0#0
+                let b#0: bytes = item1%0#0
+                let c#0: bytes = item2%0#0
+                let d#0: bytes = item3%0#0
+                let e#0: bytes = item4%0#0
+                let f#0: bytes = item5%0#0
+                let g#0: bytes = item6%0#0
+                let h#0: bytes = item7%0#0
+                let i#0: bytes = item8%0#0
+                let j#0: bytes = item9%0#0
                 let k#0: bytes = item10%0#0
                 let tmp%11#0: bytes = (extract3 boolean_packing#0 3u 1u)
                 let tmp%12#0: uint64 = (b== tmp%11#0 k#0)
@@ -94,40 +94,40 @@ contract test_cases.arc4_types.tuples.Arc4TuplesTypeContract:
                 let tmp%15#0: uint64 = (== b#0 0x00)
                 goto tmp%15#0 ? block@1 : block@2
             block@1: // ternary_true_L39
-                let ternary_result%0#0: any = b#0
+                let ternary_result%0#0: bytes = b#0
                 goto block@18
             block@2: // ternary_false_L39
                 let tmp%16#0: uint64 = (== d#0 0x00)
                 goto tmp%16#0 ? block@3 : block@4
             block@3: // ternary_true_L39
-                let ternary_result%1#0: any = d#0
+                let ternary_result%1#0: bytes = d#0
                 goto block@17
             block@4: // ternary_false_L39
                 let tmp%17#0: uint64 = (== e#0 0x00)
                 goto tmp%17#0 ? block@5 : block@6
             block@5: // ternary_true_L39
-                let ternary_result%2#0: any = e#0
+                let ternary_result%2#0: bytes = e#0
                 goto block@16
             block@6: // ternary_false_L39
                 let tmp%18#0: uint64 = (== f#0 0x00)
                 goto tmp%18#0 ? block@7 : block@8
             block@7: // ternary_true_L39
-                let ternary_result%3#0: any = f#0
+                let ternary_result%3#0: bytes = f#0
                 goto block@15
             block@8: // ternary_false_L39
                 let tmp%19#0: uint64 = (== g#0 0x00)
                 goto tmp%19#0 ? block@9 : block@10
             block@9: // ternary_true_L39
-                let ternary_result%4#0: any = g#0
+                let ternary_result%4#0: bytes = g#0
                 goto block@14
             block@10: // ternary_false_L39
                 let tmp%20#0: uint64 = (== i#0 0x00)
                 goto tmp%20#0 ? block@11 : block@12
             block@11: // ternary_true_L39
-                let ternary_result%5#0: any = i#0
+                let ternary_result%5#0: bytes = i#0
                 goto block@13
             block@12: // ternary_false_L39
-                let ternary_result%5#1: any = j#0
+                let ternary_result%5#1: bytes = j#0
                 goto block@13
             block@13: // ternary_merge_L39
                 let ternary_result%5#2: bytes = φ(ternary_result%5#0 <- block@11, ternary_result%5#1 <- block@12)
@@ -156,10 +156,10 @@ contract test_cases.arc4_types.tuples.Arc4TuplesTypeContract:
                 let tmp%22#0: uint64 = (!= c#0 0x00)
                 goto tmp%22#0 ? block@19 : block@20
             block@19: // ternary_true_L40
-                let ternary_result%6#0: any = c#0
+                let ternary_result%6#0: bytes = c#0
                 goto block@21
             block@20: // ternary_false_L40
-                let ternary_result%6#1: any = h#0
+                let ternary_result%6#1: bytes = h#0
                 goto block@21
             block@21: // ternary_merge_L40
                 let ternary_result%6#2: bytes = φ(ternary_result%6#0 <- block@19, ternary_result%6#1 <- block@20)
@@ -170,42 +170,42 @@ contract test_cases.arc4_types.tuples.Arc4TuplesTypeContract:
                 (assert tmp%25#0) // k is 16
                 let item0%1#0: bytes = (extract3 boolean_packing#0 0u 1u)
                 let is_true%16#0: uint64 = (getbit boolean_packing#0 8u)
-                let item1%1#0: any = (setbit 0x00 0u is_true%16#0)
+                let item1%1#0: bytes = (setbit 0x00 0u is_true%16#0)
                 let is_true%17#0: uint64 = (getbit boolean_packing#0 9u)
-                let item2%1#0: any = (setbit 0x00 0u is_true%17#0)
+                let item2%1#0: bytes = (setbit 0x00 0u is_true%17#0)
                 let is_true%18#0: uint64 = (getbit boolean_packing#0 10u)
-                let item3%1#0: any = (setbit 0x00 0u is_true%18#0)
+                let item3%1#0: bytes = (setbit 0x00 0u is_true%18#0)
                 let is_true%19#0: uint64 = (getbit boolean_packing#0 11u)
-                let item4%1#0: any = (setbit 0x00 0u is_true%19#0)
+                let item4%1#0: bytes = (setbit 0x00 0u is_true%19#0)
                 let is_true%20#0: uint64 = (getbit boolean_packing#0 12u)
-                let item5%1#0: any = (setbit 0x00 0u is_true%20#0)
+                let item5%1#0: bytes = (setbit 0x00 0u is_true%20#0)
                 let is_true%21#0: uint64 = (getbit boolean_packing#0 13u)
-                let item6%1#0: any = (setbit 0x00 0u is_true%21#0)
+                let item6%1#0: bytes = (setbit 0x00 0u is_true%21#0)
                 let is_true%22#0: uint64 = (getbit boolean_packing#0 14u)
-                let item7%1#0: any = (setbit 0x00 0u is_true%22#0)
+                let item7%1#0: bytes = (setbit 0x00 0u is_true%22#0)
                 let is_true%23#0: uint64 = (getbit boolean_packing#0 15u)
-                let item8%1#0: any = (setbit 0x00 0u is_true%23#0)
+                let item8%1#0: bytes = (setbit 0x00 0u is_true%23#0)
                 let is_true%24#0: uint64 = (getbit boolean_packing#0 16u)
-                let item9%1#0: any = (setbit 0x00 0u is_true%24#0)
+                let item9%1#0: bytes = (setbit 0x00 0u is_true%24#0)
                 let item10%1#0: bytes = (extract3 boolean_packing#0 3u 1u)
                 let current_tail_offset%2#0: uint64 = 4u
                 let encoded_tuple_buffer%2#0: bytes = 0x
                 let encoded_tuple_buffer%2#1: bytes = (concat encoded_tuple_buffer%2#0 item0%1#0)
                 let encoded_tuple_buffer%2#2: bytes = (concat encoded_tuple_buffer%2#1 item1%1#0)
                 let is_true%25#0: uint64 = (getbit item2%1#0 0u)
-                let encoded_tuple_buffer%2#3: any = (setbit encoded_tuple_buffer%2#2 9u is_true%25#0)
+                let encoded_tuple_buffer%2#3: bytes = (setbit encoded_tuple_buffer%2#2 9u is_true%25#0)
                 let is_true%26#0: uint64 = (getbit item3%1#0 0u)
-                let encoded_tuple_buffer%2#4: any = (setbit encoded_tuple_buffer%2#3 10u is_true%26#0)
+                let encoded_tuple_buffer%2#4: bytes = (setbit encoded_tuple_buffer%2#3 10u is_true%26#0)
                 let is_true%27#0: uint64 = (getbit item4%1#0 0u)
-                let encoded_tuple_buffer%2#5: any = (setbit encoded_tuple_buffer%2#4 11u is_true%27#0)
+                let encoded_tuple_buffer%2#5: bytes = (setbit encoded_tuple_buffer%2#4 11u is_true%27#0)
                 let is_true%28#0: uint64 = (getbit item5%1#0 0u)
-                let encoded_tuple_buffer%2#6: any = (setbit encoded_tuple_buffer%2#5 12u is_true%28#0)
+                let encoded_tuple_buffer%2#6: bytes = (setbit encoded_tuple_buffer%2#5 12u is_true%28#0)
                 let is_true%29#0: uint64 = (getbit item6%1#0 0u)
-                let encoded_tuple_buffer%2#7: any = (setbit encoded_tuple_buffer%2#6 13u is_true%29#0)
+                let encoded_tuple_buffer%2#7: bytes = (setbit encoded_tuple_buffer%2#6 13u is_true%29#0)
                 let is_true%30#0: uint64 = (getbit item7%1#0 0u)
-                let encoded_tuple_buffer%2#8: any = (setbit encoded_tuple_buffer%2#7 14u is_true%30#0)
+                let encoded_tuple_buffer%2#8: bytes = (setbit encoded_tuple_buffer%2#7 14u is_true%30#0)
                 let is_true%31#0: uint64 = (getbit item8%1#0 0u)
-                let encoded_tuple_buffer%2#9: any = (setbit encoded_tuple_buffer%2#8 15u is_true%31#0)
+                let encoded_tuple_buffer%2#9: bytes = (setbit encoded_tuple_buffer%2#8 15u is_true%31#0)
                 let encoded_tuple_buffer%2#10: bytes = (concat encoded_tuple_buffer%2#9 item9%1#0)
                 let encoded_tuple_buffer%2#11: bytes = (concat encoded_tuple_buffer%2#10 item10%1#0)
                 let tmp%26#0: uint64 = (== boolean_packing#0 encoded_tuple_buffer%2#11)
diff --git a/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_1.ir b/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_1.ir
index a902fe9d8d..16a85dd9f9 100644
--- a/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_1.ir
+++ b/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_1.ir
@@ -17,54 +17,54 @@ contract test_cases.arc4_types.tuples.Arc4TuplesTypeContract:
                 let my_tuple#0: bytes = (concat encoded_tuple_buffer%0#6 "\x00\x05world")
                 let tmp%0#0: uint64 = (== my_tuple#0 0x01020007000eff000568656c6c6f0005776f726c64)
                 (assert tmp%0#0)
-                let tmp%1#0: any = 0x80
-                let tmp%2#0: any = 0x00
-                let tmp%3#0: any = 0x80
-                let tmp%4#0: any = 0x80
-                let tmp%5#0: any = 0x80
-                let tmp%6#0: any = 0x80
-                let tmp%7#0: any = 0x00
-                let tmp%8#0: any = 0x80
-                let tmp%9#0: any = 0x80
+                let tmp%1#0: bytes = 0x80
+                let tmp%2#0: bytes = 0x00
+                let tmp%3#0: bytes = 0x80
+                let tmp%4#0: bytes = 0x80
+                let tmp%5#0: bytes = 0x80
+                let tmp%6#0: bytes = 0x80
+                let tmp%7#0: bytes = 0x00
+                let tmp%8#0: bytes = 0x80
+                let tmp%9#0: bytes = 0x80
                 let encoded_tuple_buffer%1#1: bytes = 0x04
                 let encoded_tuple_buffer%1#2: bytes = (concat encoded_tuple_buffer%1#1 tmp%1#0)
                 let is_true%0#0: uint64 = (getbit tmp%2#0 0u)
-                let encoded_tuple_buffer%1#3: any = (setbit encoded_tuple_buffer%1#2 9u is_true%0#0)
+                let encoded_tuple_buffer%1#3: bytes = (setbit encoded_tuple_buffer%1#2 9u is_true%0#0)
                 let is_true%1#0: uint64 = (getbit tmp%3#0 0u)
-                let encoded_tuple_buffer%1#4: any = (setbit encoded_tuple_buffer%1#3 10u is_true%1#0)
+                let encoded_tuple_buffer%1#4: bytes = (setbit encoded_tuple_buffer%1#3 10u is_true%1#0)
                 let is_true%2#0: uint64 = (getbit tmp%4#0 0u)
-                let encoded_tuple_buffer%1#5: any = (setbit encoded_tuple_buffer%1#4 11u is_true%2#0)
+                let encoded_tuple_buffer%1#5: bytes = (setbit encoded_tuple_buffer%1#4 11u is_true%2#0)
                 let is_true%3#0: uint64 = (getbit tmp%5#0 0u)
-                let encoded_tuple_buffer%1#6: any = (setbit encoded_tuple_buffer%1#5 12u is_true%3#0)
+                let encoded_tuple_buffer%1#6: bytes = (setbit encoded_tuple_buffer%1#5 12u is_true%3#0)
                 let is_true%4#0: uint64 = (getbit tmp%6#0 0u)
-                let encoded_tuple_buffer%1#7: any = (setbit encoded_tuple_buffer%1#6 13u is_true%4#0)
+                let encoded_tuple_buffer%1#7: bytes = (setbit encoded_tuple_buffer%1#6 13u is_true%4#0)
                 let is_true%5#0: uint64 = (getbit tmp%7#0 0u)
-                let encoded_tuple_buffer%1#8: any = (setbit encoded_tuple_buffer%1#7 14u is_true%5#0)
+                let encoded_tuple_buffer%1#8: bytes = (setbit encoded_tuple_buffer%1#7 14u is_true%5#0)
                 let is_true%6#0: uint64 = (getbit tmp%8#0 0u)
-                let encoded_tuple_buffer%1#9: any = (setbit encoded_tuple_buffer%1#8 15u is_true%6#0)
+                let encoded_tuple_buffer%1#9: bytes = (setbit encoded_tuple_buffer%1#8 15u is_true%6#0)
                 let encoded_tuple_buffer%1#10: bytes = (concat encoded_tuple_buffer%1#9 tmp%9#0)
                 let boolean_packing#0: bytes = (concat encoded_tuple_buffer%1#10 0x10)
                 let tmp%10#0: uint64 = (== boolean_packing#0 0x04bd8010)
                 (assert tmp%10#0)
                 let a#0: bytes = ((extract 0 1) boolean_packing#0)
                 let is_true%7#0: uint64 = (getbit boolean_packing#0 8u)
-                let b#0: any = (setbit 0x00 0u is_true%7#0)
+                let b#0: bytes = (setbit 0x00 0u is_true%7#0)
                 let is_true%8#0: uint64 = (getbit boolean_packing#0 9u)
-                let c#0: any = (setbit 0x00 0u is_true%8#0)
+                let c#0: bytes = (setbit 0x00 0u is_true%8#0)
                 let is_true%9#0: uint64 = (getbit boolean_packing#0 10u)
-                let d#0: any = (setbit 0x00 0u is_true%9#0)
+                let d#0: bytes = (setbit 0x00 0u is_true%9#0)
                 let is_true%10#0: uint64 = (getbit boolean_packing#0 11u)
-                let e#0: any = (setbit 0x00 0u is_true%10#0)
+                let e#0: bytes = (setbit 0x00 0u is_true%10#0)
                 let is_true%11#0: uint64 = (getbit boolean_packing#0 12u)
-                let f#0: any = (setbit 0x00 0u is_true%11#0)
+                let f#0: bytes = (setbit 0x00 0u is_true%11#0)
                 let is_true%12#0: uint64 = (getbit boolean_packing#0 13u)
-                let g#0: any = (setbit 0x00 0u is_true%12#0)
+                let g#0: bytes = (setbit 0x00 0u is_true%12#0)
                 let is_true%13#0: uint64 = (getbit boolean_packing#0 14u)
-                let h#0: any = (setbit 0x00 0u is_true%13#0)
+                let h#0: bytes = (setbit 0x00 0u is_true%13#0)
                 let is_true%14#0: uint64 = (getbit boolean_packing#0 15u)
-                let i#0: any = (setbit 0x00 0u is_true%14#0)
+                let i#0: bytes = (setbit 0x00 0u is_true%14#0)
                 let is_true%15#0: uint64 = (getbit boolean_packing#0 16u)
-                let j#0: any = (setbit 0x00 0u is_true%15#0)
+                let j#0: bytes = (setbit 0x00 0u is_true%15#0)
                 let k#0: bytes = ((extract 3 1) boolean_packing#0)
                 let tmp%12#0: uint64 = (b== k#0 k#0)
                 (assert tmp%12#0)
@@ -136,19 +136,19 @@ contract test_cases.arc4_types.tuples.Arc4TuplesTypeContract:
                 (assert tmp%25#0) // k is 16
                 let encoded_tuple_buffer%2#2: bytes = (concat a#0 b#0)
                 let is_true%25#0: uint64 = (getbit c#0 0u)
-                let encoded_tuple_buffer%2#3: any = (setbit encoded_tuple_buffer%2#2 9u is_true%25#0)
+                let encoded_tuple_buffer%2#3: bytes = (setbit encoded_tuple_buffer%2#2 9u is_true%25#0)
                 let is_true%26#0: uint64 = (getbit d#0 0u)
-                let encoded_tuple_buffer%2#4: any = (setbit encoded_tuple_buffer%2#3 10u is_true%26#0)
+                let encoded_tuple_buffer%2#4: bytes = (setbit encoded_tuple_buffer%2#3 10u is_true%26#0)
                 let is_true%27#0: uint64 = (getbit e#0 0u)
-                let encoded_tuple_buffer%2#5: any = (setbit encoded_tuple_buffer%2#4 11u is_true%27#0)
+                let encoded_tuple_buffer%2#5: bytes = (setbit encoded_tuple_buffer%2#4 11u is_true%27#0)
                 let is_true%28#0: uint64 = (getbit f#0 0u)
-                let encoded_tuple_buffer%2#6: any = (setbit encoded_tuple_buffer%2#5 12u is_true%28#0)
+                let encoded_tuple_buffer%2#6: bytes = (setbit encoded_tuple_buffer%2#5 12u is_true%28#0)
                 let is_true%29#0: uint64 = (getbit g#0 0u)
-                let encoded_tuple_buffer%2#7: any = (setbit encoded_tuple_buffer%2#6 13u is_true%29#0)
+                let encoded_tuple_buffer%2#7: bytes = (setbit encoded_tuple_buffer%2#6 13u is_true%29#0)
                 let is_true%30#0: uint64 = (getbit h#0 0u)
-                let encoded_tuple_buffer%2#8: any = (setbit encoded_tuple_buffer%2#7 14u is_true%30#0)
+                let encoded_tuple_buffer%2#8: bytes = (setbit encoded_tuple_buffer%2#7 14u is_true%30#0)
                 let is_true%31#0: uint64 = (getbit i#0 0u)
-                let encoded_tuple_buffer%2#9: any = (setbit encoded_tuple_buffer%2#8 15u is_true%31#0)
+                let encoded_tuple_buffer%2#9: bytes = (setbit encoded_tuple_buffer%2#8 15u is_true%31#0)
                 let encoded_tuple_buffer%2#10: bytes = (concat encoded_tuple_buffer%2#9 j#0)
                 let encoded_tuple_buffer%2#11: bytes = (concat encoded_tuple_buffer%2#10 k#0)
                 let tmp%26#0: uint64 = (== boolean_packing#0 encoded_tuple_buffer%2#11)
diff --git a/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_10.ir b/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_10.ir
index d6494f232e..01fb09ba52 100644
--- a/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_10.ir
+++ b/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_10.ir
@@ -8,23 +8,23 @@ contract test_cases.arc4_types.tuples.Arc4TuplesTypeContract:
                 (assert tmp%10#0)
                 let a#0: bytes = ((extract 0 1) boolean_packing#0)
                 let is_true%7#0: uint64 = (getbit boolean_packing#0 8u)
-                let b#0: any = (setbit 0x00 0u is_true%7#0)
+                let b#0: bytes = (setbit 0x00 0u is_true%7#0)
                 let is_true%8#0: uint64 = (getbit boolean_packing#0 9u)
-                let c#0: any = (setbit 0x00 0u is_true%8#0)
+                let c#0: bytes = (setbit 0x00 0u is_true%8#0)
                 let is_true%9#0: uint64 = (getbit boolean_packing#0 10u)
-                let d#0: any = (setbit 0x00 0u is_true%9#0)
+                let d#0: bytes = (setbit 0x00 0u is_true%9#0)
                 let is_true%10#0: uint64 = (getbit boolean_packing#0 11u)
-                let e#0: any = (setbit 0x00 0u is_true%10#0)
+                let e#0: bytes = (setbit 0x00 0u is_true%10#0)
                 let is_true%11#0: uint64 = (getbit boolean_packing#0 12u)
-                let f#0: any = (setbit 0x00 0u is_true%11#0)
+                let f#0: bytes = (setbit 0x00 0u is_true%11#0)
                 let is_true%12#0: uint64 = (getbit boolean_packing#0 13u)
-                let g#0: any = (setbit 0x00 0u is_true%12#0)
+                let g#0: bytes = (setbit 0x00 0u is_true%12#0)
                 let is_true%13#0: uint64 = (getbit boolean_packing#0 14u)
-                let h#0: any = (setbit 0x00 0u is_true%13#0)
+                let h#0: bytes = (setbit 0x00 0u is_true%13#0)
                 let is_true%14#0: uint64 = (getbit boolean_packing#0 15u)
-                let i#0: any = (setbit 0x00 0u is_true%14#0)
+                let i#0: bytes = (setbit 0x00 0u is_true%14#0)
                 let is_true%15#0: uint64 = (getbit boolean_packing#0 16u)
-                let j#0: any = (setbit 0x00 0u is_true%15#0)
+                let j#0: bytes = (setbit 0x00 0u is_true%15#0)
                 let k#0: bytes = ((extract 3 1) boolean_packing#0)
                 let tmp%13#0: uint64 = (btoi a#0)
                 let tmp%14#0: uint64 = (== tmp%13#0 4u)
@@ -94,19 +94,19 @@ contract test_cases.arc4_types.tuples.Arc4TuplesTypeContract:
                 (assert tmp%25#0) // k is 16
                 let encoded_tuple_buffer%2#2: bytes = (concat a#0 b#0)
                 let is_true%25#0: uint64 = (getbit c#0 0u)
-                let encoded_tuple_buffer%2#3: any = (setbit encoded_tuple_buffer%2#2 9u is_true%25#0)
+                let encoded_tuple_buffer%2#3: bytes = (setbit encoded_tuple_buffer%2#2 9u is_true%25#0)
                 let is_true%26#0: uint64 = (getbit d#0 0u)
-                let encoded_tuple_buffer%2#4: any = (setbit encoded_tuple_buffer%2#3 10u is_true%26#0)
+                let encoded_tuple_buffer%2#4: bytes = (setbit encoded_tuple_buffer%2#3 10u is_true%26#0)
                 let is_true%27#0: uint64 = (getbit e#0 0u)
-                let encoded_tuple_buffer%2#5: any = (setbit encoded_tuple_buffer%2#4 11u is_true%27#0)
+                let encoded_tuple_buffer%2#5: bytes = (setbit encoded_tuple_buffer%2#4 11u is_true%27#0)
                 let is_true%28#0: uint64 = (getbit f#0 0u)
-                let encoded_tuple_buffer%2#6: any = (setbit encoded_tuple_buffer%2#5 12u is_true%28#0)
+                let encoded_tuple_buffer%2#6: bytes = (setbit encoded_tuple_buffer%2#5 12u is_true%28#0)
                 let is_true%29#0: uint64 = (getbit g#0 0u)
-                let encoded_tuple_buffer%2#7: any = (setbit encoded_tuple_buffer%2#6 13u is_true%29#0)
+                let encoded_tuple_buffer%2#7: bytes = (setbit encoded_tuple_buffer%2#6 13u is_true%29#0)
                 let is_true%30#0: uint64 = (getbit h#0 0u)
-                let encoded_tuple_buffer%2#8: any = (setbit encoded_tuple_buffer%2#7 14u is_true%30#0)
+                let encoded_tuple_buffer%2#8: bytes = (setbit encoded_tuple_buffer%2#7 14u is_true%30#0)
                 let is_true%31#0: uint64 = (getbit i#0 0u)
-                let encoded_tuple_buffer%2#9: any = (setbit encoded_tuple_buffer%2#8 15u is_true%31#0)
+                let encoded_tuple_buffer%2#9: bytes = (setbit encoded_tuple_buffer%2#8 15u is_true%31#0)
                 let encoded_tuple_buffer%2#10: bytes = (concat encoded_tuple_buffer%2#9 j#0)
                 let encoded_tuple_buffer%2#11: bytes = (concat encoded_tuple_buffer%2#10 k#0)
                 let tmp%26#0: uint64 = (== boolean_packing#0 encoded_tuple_buffer%2#11)
diff --git a/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_11.ir b/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_11.ir
index 0e089ad1bc..858efdc44f 100644
--- a/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_11.ir
+++ b/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_11.ir
@@ -7,23 +7,23 @@ contract test_cases.arc4_types.tuples.Arc4TuplesTypeContract:
                 (assert tmp%10#0)
                 let a#0: bytes = ((extract 0 1) boolean_packing#0)
                 let is_true%7#0: uint64 = (getbit boolean_packing#0 8u)
-                let b#0: any = (setbit 0x00 0u is_true%7#0)
+                let b#0: bytes = (setbit 0x00 0u is_true%7#0)
                 let is_true%8#0: uint64 = (getbit boolean_packing#0 9u)
-                let c#0: any = (setbit 0x00 0u is_true%8#0)
+                let c#0: bytes = (setbit 0x00 0u is_true%8#0)
                 let is_true%9#0: uint64 = (getbit boolean_packing#0 10u)
-                let d#0: any = (setbit 0x00 0u is_true%9#0)
+                let d#0: bytes = (setbit 0x00 0u is_true%9#0)
                 let is_true%10#0: uint64 = (getbit boolean_packing#0 11u)
-                let e#0: any = (setbit 0x00 0u is_true%10#0)
+                let e#0: bytes = (setbit 0x00 0u is_true%10#0)
                 let is_true%11#0: uint64 = (getbit boolean_packing#0 12u)
-                let f#0: any = (setbit 0x00 0u is_true%11#0)
+                let f#0: bytes = (setbit 0x00 0u is_true%11#0)
                 let is_true%12#0: uint64 = (getbit boolean_packing#0 13u)
-                let g#0: any = (setbit 0x00 0u is_true%12#0)
+                let g#0: bytes = (setbit 0x00 0u is_true%12#0)
                 let is_true%13#0: uint64 = (getbit boolean_packing#0 14u)
-                let h#0: any = (setbit 0x00 0u is_true%13#0)
+                let h#0: bytes = (setbit 0x00 0u is_true%13#0)
                 let is_true%14#0: uint64 = (getbit boolean_packing#0 15u)
-                let i#0: any = (setbit 0x00 0u is_true%14#0)
+                let i#0: bytes = (setbit 0x00 0u is_true%14#0)
                 let is_true%15#0: uint64 = (getbit boolean_packing#0 16u)
-                let j#0: any = (setbit 0x00 0u is_true%15#0)
+                let j#0: bytes = (setbit 0x00 0u is_true%15#0)
                 let k#0: bytes = ((extract 3 1) boolean_packing#0)
                 let tmp%13#0: uint64 = (btoi a#0)
                 let tmp%14#0: uint64 = (== tmp%13#0 4u)
@@ -93,19 +93,19 @@ contract test_cases.arc4_types.tuples.Arc4TuplesTypeContract:
                 (assert tmp%25#0) // k is 16
                 let encoded_tuple_buffer%2#2: bytes = (concat a#0 b#0)
                 let is_true%25#0: uint64 = (getbit c#0 0u)
-                let encoded_tuple_buffer%2#3: any = (setbit encoded_tuple_buffer%2#2 9u is_true%25#0)
+                let encoded_tuple_buffer%2#3: bytes = (setbit encoded_tuple_buffer%2#2 9u is_true%25#0)
                 let is_true%26#0: uint64 = (getbit d#0 0u)
-                let encoded_tuple_buffer%2#4: any = (setbit encoded_tuple_buffer%2#3 10u is_true%26#0)
+                let encoded_tuple_buffer%2#4: bytes = (setbit encoded_tuple_buffer%2#3 10u is_true%26#0)
                 let is_true%27#0: uint64 = (getbit e#0 0u)
-                let encoded_tuple_buffer%2#5: any = (setbit encoded_tuple_buffer%2#4 11u is_true%27#0)
+                let encoded_tuple_buffer%2#5: bytes = (setbit encoded_tuple_buffer%2#4 11u is_true%27#0)
                 let is_true%28#0: uint64 = (getbit f#0 0u)
-                let encoded_tuple_buffer%2#6: any = (setbit encoded_tuple_buffer%2#5 12u is_true%28#0)
+                let encoded_tuple_buffer%2#6: bytes = (setbit encoded_tuple_buffer%2#5 12u is_true%28#0)
                 let is_true%29#0: uint64 = (getbit g#0 0u)
-                let encoded_tuple_buffer%2#7: any = (setbit encoded_tuple_buffer%2#6 13u is_true%29#0)
+                let encoded_tuple_buffer%2#7: bytes = (setbit encoded_tuple_buffer%2#6 13u is_true%29#0)
                 let is_true%30#0: uint64 = (getbit h#0 0u)
-                let encoded_tuple_buffer%2#8: any = (setbit encoded_tuple_buffer%2#7 14u is_true%30#0)
+                let encoded_tuple_buffer%2#8: bytes = (setbit encoded_tuple_buffer%2#7 14u is_true%30#0)
                 let is_true%31#0: uint64 = (getbit i#0 0u)
-                let encoded_tuple_buffer%2#9: any = (setbit encoded_tuple_buffer%2#8 15u is_true%31#0)
+                let encoded_tuple_buffer%2#9: bytes = (setbit encoded_tuple_buffer%2#8 15u is_true%31#0)
                 let encoded_tuple_buffer%2#10: bytes = (concat encoded_tuple_buffer%2#9 j#0)
                 let encoded_tuple_buffer%2#11: bytes = (concat encoded_tuple_buffer%2#10 k#0)
                 let tmp%26#0: uint64 = (== boolean_packing#0 encoded_tuple_buffer%2#11)
diff --git a/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_12.ir b/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_12.ir
index 424a414ad0..2d66f96a65 100644
--- a/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_12.ir
+++ b/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_12.ir
@@ -6,23 +6,23 @@ contract test_cases.arc4_types.tuples.Arc4TuplesTypeContract:
                 (assert tmp%10#0)
                 let a#0: bytes = 0x04
                 let is_true%7#0: uint64 = 1u
-                let b#0: any = (setbit 0x00 0u is_true%7#0)
+                let b#0: bytes = (setbit 0x00 0u is_true%7#0)
                 let is_true%8#0: uint64 = 0u
-                let c#0: any = (setbit 0x00 0u is_true%8#0)
+                let c#0: bytes = (setbit 0x00 0u is_true%8#0)
                 let is_true%9#0: uint64 = 1u
-                let d#0: any = (setbit 0x00 0u is_true%9#0)
+                let d#0: bytes = (setbit 0x00 0u is_true%9#0)
                 let is_true%10#0: uint64 = 1u
-                let e#0: any = (setbit 0x00 0u is_true%10#0)
+                let e#0: bytes = (setbit 0x00 0u is_true%10#0)
                 let is_true%11#0: uint64 = 1u
-                let f#0: any = (setbit 0x00 0u is_true%11#0)
+                let f#0: bytes = (setbit 0x00 0u is_true%11#0)
                 let is_true%12#0: uint64 = 1u
-                let g#0: any = (setbit 0x00 0u is_true%12#0)
+                let g#0: bytes = (setbit 0x00 0u is_true%12#0)
                 let is_true%13#0: uint64 = 0u
-                let h#0: any = (setbit 0x00 0u is_true%13#0)
+                let h#0: bytes = (setbit 0x00 0u is_true%13#0)
                 let is_true%14#0: uint64 = 1u
-                let i#0: any = (setbit 0x00 0u is_true%14#0)
+                let i#0: bytes = (setbit 0x00 0u is_true%14#0)
                 let is_true%15#0: uint64 = 1u
-                let j#0: any = (setbit 0x00 0u is_true%15#0)
+                let j#0: bytes = (setbit 0x00 0u is_true%15#0)
                 let k#0: bytes = 0x10
                 let tmp%13#0: uint64 = (btoi a#0)
                 let tmp%14#0: uint64 = (== tmp%13#0 4u)
@@ -92,19 +92,19 @@ contract test_cases.arc4_types.tuples.Arc4TuplesTypeContract:
                 (assert tmp%25#0) // k is 16
                 let encoded_tuple_buffer%2#2: bytes = (concat a#0 b#0)
                 let is_true%25#0: uint64 = (getbit c#0 0u)
-                let encoded_tuple_buffer%2#3: any = (setbit encoded_tuple_buffer%2#2 9u is_true%25#0)
+                let encoded_tuple_buffer%2#3: bytes = (setbit encoded_tuple_buffer%2#2 9u is_true%25#0)
                 let is_true%26#0: uint64 = (getbit d#0 0u)
-                let encoded_tuple_buffer%2#4: any = (setbit encoded_tuple_buffer%2#3 10u is_true%26#0)
+                let encoded_tuple_buffer%2#4: bytes = (setbit encoded_tuple_buffer%2#3 10u is_true%26#0)
                 let is_true%27#0: uint64 = (getbit e#0 0u)
-                let encoded_tuple_buffer%2#5: any = (setbit encoded_tuple_buffer%2#4 11u is_true%27#0)
+                let encoded_tuple_buffer%2#5: bytes = (setbit encoded_tuple_buffer%2#4 11u is_true%27#0)
                 let is_true%28#0: uint64 = (getbit f#0 0u)
-                let encoded_tuple_buffer%2#6: any = (setbit encoded_tuple_buffer%2#5 12u is_true%28#0)
+                let encoded_tuple_buffer%2#6: bytes = (setbit encoded_tuple_buffer%2#5 12u is_true%28#0)
                 let is_true%29#0: uint64 = (getbit g#0 0u)
-                let encoded_tuple_buffer%2#7: any = (setbit encoded_tuple_buffer%2#6 13u is_true%29#0)
+                let encoded_tuple_buffer%2#7: bytes = (setbit encoded_tuple_buffer%2#6 13u is_true%29#0)
                 let is_true%30#0: uint64 = (getbit h#0 0u)
-                let encoded_tuple_buffer%2#8: any = (setbit encoded_tuple_buffer%2#7 14u is_true%30#0)
+                let encoded_tuple_buffer%2#8: bytes = (setbit encoded_tuple_buffer%2#7 14u is_true%30#0)
                 let is_true%31#0: uint64 = (getbit i#0 0u)
-                let encoded_tuple_buffer%2#9: any = (setbit encoded_tuple_buffer%2#8 15u is_true%31#0)
+                let encoded_tuple_buffer%2#9: bytes = (setbit encoded_tuple_buffer%2#8 15u is_true%31#0)
                 let encoded_tuple_buffer%2#10: bytes = (concat encoded_tuple_buffer%2#9 j#0)
                 let encoded_tuple_buffer%2#11: bytes = (concat encoded_tuple_buffer%2#10 k#0)
                 let tmp%26#0: uint64 = (== 0x04bd8010 encoded_tuple_buffer%2#11)
diff --git a/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_13.ir b/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_13.ir
index 871fe1a2dc..5107a276e1 100644
--- a/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_13.ir
+++ b/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_13.ir
@@ -2,15 +2,15 @@ contract test_cases.arc4_types.tuples.Arc4TuplesTypeContract:
     program approval:
         subroutine test_cases.arc4_types.tuples.Arc4TuplesTypeContract.approval_program() -> uint64:
             block@0: // L14
-                let b#0: any = 0x80
-                let c#0: any = 0x00
-                let d#0: any = 0x80
-                let e#0: any = 0x80
-                let f#0: any = 0x80
-                let g#0: any = 0x80
-                let h#0: any = 0x00
-                let i#0: any = 0x80
-                let j#0: any = 0x80
+                let b#0: bytes = 0x80
+                let c#0: bytes = 0x00
+                let d#0: bytes = 0x80
+                let e#0: bytes = 0x80
+                let f#0: bytes = 0x80
+                let g#0: bytes = 0x80
+                let h#0: bytes = 0x00
+                let i#0: bytes = 0x80
+                let j#0: bytes = 0x80
                 let tmp%13#0: uint64 = 4u
                 let tmp%14#0: uint64 = (== tmp%13#0 4u)
                 (assert tmp%14#0) // a is 4
@@ -79,19 +79,19 @@ contract test_cases.arc4_types.tuples.Arc4TuplesTypeContract:
                 (assert tmp%25#0) // k is 16
                 let encoded_tuple_buffer%2#2: bytes = (concat 0x04 b#0)
                 let is_true%25#0: uint64 = (getbit c#0 0u)
-                let encoded_tuple_buffer%2#3: any = (setbit encoded_tuple_buffer%2#2 9u is_true%25#0)
+                let encoded_tuple_buffer%2#3: bytes = (setbit encoded_tuple_buffer%2#2 9u is_true%25#0)
                 let is_true%26#0: uint64 = (getbit d#0 0u)
-                let encoded_tuple_buffer%2#4: any = (setbit encoded_tuple_buffer%2#3 10u is_true%26#0)
+                let encoded_tuple_buffer%2#4: bytes = (setbit encoded_tuple_buffer%2#3 10u is_true%26#0)
                 let is_true%27#0: uint64 = (getbit e#0 0u)
-                let encoded_tuple_buffer%2#5: any = (setbit encoded_tuple_buffer%2#4 11u is_true%27#0)
+                let encoded_tuple_buffer%2#5: bytes = (setbit encoded_tuple_buffer%2#4 11u is_true%27#0)
                 let is_true%28#0: uint64 = (getbit f#0 0u)
-                let encoded_tuple_buffer%2#6: any = (setbit encoded_tuple_buffer%2#5 12u is_true%28#0)
+                let encoded_tuple_buffer%2#6: bytes = (setbit encoded_tuple_buffer%2#5 12u is_true%28#0)
                 let is_true%29#0: uint64 = (getbit g#0 0u)
-                let encoded_tuple_buffer%2#7: any = (setbit encoded_tuple_buffer%2#6 13u is_true%29#0)
+                let encoded_tuple_buffer%2#7: bytes = (setbit encoded_tuple_buffer%2#6 13u is_true%29#0)
                 let is_true%30#0: uint64 = (getbit h#0 0u)
-                let encoded_tuple_buffer%2#8: any = (setbit encoded_tuple_buffer%2#7 14u is_true%30#0)
+                let encoded_tuple_buffer%2#8: bytes = (setbit encoded_tuple_buffer%2#7 14u is_true%30#0)
                 let is_true%31#0: uint64 = (getbit i#0 0u)
-                let encoded_tuple_buffer%2#9: any = (setbit encoded_tuple_buffer%2#8 15u is_true%31#0)
+                let encoded_tuple_buffer%2#9: bytes = (setbit encoded_tuple_buffer%2#8 15u is_true%31#0)
                 let encoded_tuple_buffer%2#10: bytes = (concat encoded_tuple_buffer%2#9 j#0)
                 let encoded_tuple_buffer%2#11: bytes = (concat encoded_tuple_buffer%2#10 0x10)
                 let tmp%26#0: uint64 = (== 0x04bd8010 encoded_tuple_buffer%2#11)
diff --git a/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_14.ir b/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_14.ir
index ca80124c88..895a1b0391 100644
--- a/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_14.ir
+++ b/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_14.ir
@@ -2,15 +2,15 @@ contract test_cases.arc4_types.tuples.Arc4TuplesTypeContract:
     program approval:
         subroutine test_cases.arc4_types.tuples.Arc4TuplesTypeContract.approval_program() -> uint64:
             block@0: // L14
-                let b#0: any = 0x80
-                let c#0: any = 0x00
-                let d#0: any = 0x80
-                let e#0: any = 0x80
-                let f#0: any = 0x80
-                let g#0: any = 0x80
-                let h#0: any = 0x00
-                let i#0: any = 0x80
-                let j#0: any = 0x80
+                let b#0: bytes = 0x80
+                let c#0: bytes = 0x00
+                let d#0: bytes = 0x80
+                let e#0: bytes = 0x80
+                let f#0: bytes = 0x80
+                let g#0: bytes = 0x80
+                let h#0: bytes = 0x00
+                let i#0: bytes = 0x80
+                let j#0: bytes = 0x80
                 let tmp%14#0: uint64 = 1u
                 (assert tmp%14#0) // a is 4
                 let tmp%15#0: uint64 = 0u
@@ -69,19 +69,19 @@ contract test_cases.arc4_types.tuples.Arc4TuplesTypeContract:
                 (assert tmp%25#0) // k is 16
                 let encoded_tuple_buffer%2#2: bytes = 0x0480
                 let is_true%25#0: uint64 = 0u
-                let encoded_tuple_buffer%2#3: any = (setbit encoded_tuple_buffer%2#2 9u is_true%25#0)
+                let encoded_tuple_buffer%2#3: bytes = (setbit encoded_tuple_buffer%2#2 9u is_true%25#0)
                 let is_true%26#0: uint64 = 1u
-                let encoded_tuple_buffer%2#4: any = (setbit encoded_tuple_buffer%2#3 10u is_true%26#0)
+                let encoded_tuple_buffer%2#4: bytes = (setbit encoded_tuple_buffer%2#3 10u is_true%26#0)
                 let is_true%27#0: uint64 = 1u
-                let encoded_tuple_buffer%2#5: any = (setbit encoded_tuple_buffer%2#4 11u is_true%27#0)
+                let encoded_tuple_buffer%2#5: bytes = (setbit encoded_tuple_buffer%2#4 11u is_true%27#0)
                 let is_true%28#0: uint64 = 1u
-                let encoded_tuple_buffer%2#6: any = (setbit encoded_tuple_buffer%2#5 12u is_true%28#0)
+                let encoded_tuple_buffer%2#6: bytes = (setbit encoded_tuple_buffer%2#5 12u is_true%28#0)
                 let is_true%29#0: uint64 = 1u
-                let encoded_tuple_buffer%2#7: any = (setbit encoded_tuple_buffer%2#6 13u is_true%29#0)
+                let encoded_tuple_buffer%2#7: bytes = (setbit encoded_tuple_buffer%2#6 13u is_true%29#0)
                 let is_true%30#0: uint64 = 0u
-                let encoded_tuple_buffer%2#8: any = (setbit encoded_tuple_buffer%2#7 14u is_true%30#0)
+                let encoded_tuple_buffer%2#8: bytes = (setbit encoded_tuple_buffer%2#7 14u is_true%30#0)
                 let is_true%31#0: uint64 = 1u
-                let encoded_tuple_buffer%2#9: any = (setbit encoded_tuple_buffer%2#8 15u is_true%31#0)
+                let encoded_tuple_buffer%2#9: bytes = (setbit encoded_tuple_buffer%2#8 15u is_true%31#0)
                 let encoded_tuple_buffer%2#10: bytes = (concat encoded_tuple_buffer%2#9 0x80)
                 let encoded_tuple_buffer%2#11: bytes = (concat encoded_tuple_buffer%2#10 0x10)
                 let tmp%26#0: uint64 = (== 0x04bd8010 encoded_tuple_buffer%2#11)
diff --git a/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_15.ir b/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_15.ir
index c192e3dfac..07b84a40e8 100644
--- a/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_15.ir
+++ b/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_15.ir
@@ -2,12 +2,12 @@ contract test_cases.arc4_types.tuples.Arc4TuplesTypeContract:
     program approval:
         subroutine test_cases.arc4_types.tuples.Arc4TuplesTypeContract.approval_program() -> uint64:
             block@0: // L14
-                let d#0: any = 0x80
-                let e#0: any = 0x80
-                let f#0: any = 0x80
-                let g#0: any = 0x80
-                let i#0: any = 0x80
-                let j#0: any = 0x80
+                let d#0: bytes = 0x80
+                let e#0: bytes = 0x80
+                let f#0: bytes = 0x80
+                let g#0: bytes = 0x80
+                let i#0: bytes = 0x80
+                let j#0: bytes = 0x80
                 goto block@13
             block@13: // ternary_merge_L39
                 goto block@14
@@ -18,13 +18,13 @@ contract test_cases.arc4_types.tuples.Arc4TuplesTypeContract:
             block@16: // ternary_merge_L39
                 goto block@17
             block@17: // ternary_merge_L39
-                let encoded_tuple_buffer%2#3: any = 0x0480
-                let encoded_tuple_buffer%2#4: any = (setbit encoded_tuple_buffer%2#3 10u 1u)
-                let encoded_tuple_buffer%2#5: any = (setbit encoded_tuple_buffer%2#4 11u 1u)
-                let encoded_tuple_buffer%2#6: any = (setbit encoded_tuple_buffer%2#5 12u 1u)
-                let encoded_tuple_buffer%2#7: any = (setbit encoded_tuple_buffer%2#6 13u 1u)
-                let encoded_tuple_buffer%2#8: any = (setbit encoded_tuple_buffer%2#7 14u 0u)
-                let encoded_tuple_buffer%2#9: any = (setbit encoded_tuple_buffer%2#8 15u 1u)
+                let encoded_tuple_buffer%2#3: bytes = 0x0480
+                let encoded_tuple_buffer%2#4: bytes = (setbit encoded_tuple_buffer%2#3 10u 1u)
+                let encoded_tuple_buffer%2#5: bytes = (setbit encoded_tuple_buffer%2#4 11u 1u)
+                let encoded_tuple_buffer%2#6: bytes = (setbit encoded_tuple_buffer%2#5 12u 1u)
+                let encoded_tuple_buffer%2#7: bytes = (setbit encoded_tuple_buffer%2#6 13u 1u)
+                let encoded_tuple_buffer%2#8: bytes = (setbit encoded_tuple_buffer%2#7 14u 0u)
+                let encoded_tuple_buffer%2#9: bytes = (setbit encoded_tuple_buffer%2#8 15u 1u)
                 let encoded_tuple_buffer%2#10: bytes = (concat encoded_tuple_buffer%2#9 0x80)
                 let encoded_tuple_buffer%2#11: bytes = (concat encoded_tuple_buffer%2#10 0x10)
                 let tmp%26#0: uint64 = (== 0x04bd8010 encoded_tuple_buffer%2#11)
diff --git a/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_16.ir b/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_16.ir
index 07857672e9..1f7a28b763 100644
--- a/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_16.ir
+++ b/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_16.ir
@@ -2,12 +2,12 @@ contract test_cases.arc4_types.tuples.Arc4TuplesTypeContract:
     program approval:
         subroutine test_cases.arc4_types.tuples.Arc4TuplesTypeContract.approval_program() -> uint64:
             block@0: // L14
-                let encoded_tuple_buffer%2#4: any = 0x04a0
-                let encoded_tuple_buffer%2#5: any = (setbit encoded_tuple_buffer%2#4 11u 1u)
-                let encoded_tuple_buffer%2#6: any = (setbit encoded_tuple_buffer%2#5 12u 1u)
-                let encoded_tuple_buffer%2#7: any = (setbit encoded_tuple_buffer%2#6 13u 1u)
-                let encoded_tuple_buffer%2#8: any = (setbit encoded_tuple_buffer%2#7 14u 0u)
-                let encoded_tuple_buffer%2#9: any = (setbit encoded_tuple_buffer%2#8 15u 1u)
+                let encoded_tuple_buffer%2#4: bytes = 0x04a0
+                let encoded_tuple_buffer%2#5: bytes = (setbit encoded_tuple_buffer%2#4 11u 1u)
+                let encoded_tuple_buffer%2#6: bytes = (setbit encoded_tuple_buffer%2#5 12u 1u)
+                let encoded_tuple_buffer%2#7: bytes = (setbit encoded_tuple_buffer%2#6 13u 1u)
+                let encoded_tuple_buffer%2#8: bytes = (setbit encoded_tuple_buffer%2#7 14u 0u)
+                let encoded_tuple_buffer%2#9: bytes = (setbit encoded_tuple_buffer%2#8 15u 1u)
                 let encoded_tuple_buffer%2#10: bytes = (concat encoded_tuple_buffer%2#9 0x80)
                 let encoded_tuple_buffer%2#11: bytes = (concat encoded_tuple_buffer%2#10 0x10)
                 let tmp%26#0: uint64 = (== 0x04bd8010 encoded_tuple_buffer%2#11)
diff --git a/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_17.ir b/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_17.ir
index 41dab77574..e39e487988 100644
--- a/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_17.ir
+++ b/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_17.ir
@@ -2,11 +2,11 @@ contract test_cases.arc4_types.tuples.Arc4TuplesTypeContract:
     program approval:
         subroutine test_cases.arc4_types.tuples.Arc4TuplesTypeContract.approval_program() -> uint64:
             block@0: // L14
-                let encoded_tuple_buffer%2#5: any = 0x04b0
-                let encoded_tuple_buffer%2#6: any = (setbit encoded_tuple_buffer%2#5 12u 1u)
-                let encoded_tuple_buffer%2#7: any = (setbit encoded_tuple_buffer%2#6 13u 1u)
-                let encoded_tuple_buffer%2#8: any = (setbit encoded_tuple_buffer%2#7 14u 0u)
-                let encoded_tuple_buffer%2#9: any = (setbit encoded_tuple_buffer%2#8 15u 1u)
+                let encoded_tuple_buffer%2#5: bytes = 0x04b0
+                let encoded_tuple_buffer%2#6: bytes = (setbit encoded_tuple_buffer%2#5 12u 1u)
+                let encoded_tuple_buffer%2#7: bytes = (setbit encoded_tuple_buffer%2#6 13u 1u)
+                let encoded_tuple_buffer%2#8: bytes = (setbit encoded_tuple_buffer%2#7 14u 0u)
+                let encoded_tuple_buffer%2#9: bytes = (setbit encoded_tuple_buffer%2#8 15u 1u)
                 let encoded_tuple_buffer%2#10: bytes = (concat encoded_tuple_buffer%2#9 0x80)
                 let encoded_tuple_buffer%2#11: bytes = (concat encoded_tuple_buffer%2#10 0x10)
                 let tmp%26#0: uint64 = (== 0x04bd8010 encoded_tuple_buffer%2#11)
diff --git a/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_18.ir b/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_18.ir
index 01684dced0..43ed2b8070 100644
--- a/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_18.ir
+++ b/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_18.ir
@@ -2,10 +2,10 @@ contract test_cases.arc4_types.tuples.Arc4TuplesTypeContract:
     program approval:
         subroutine test_cases.arc4_types.tuples.Arc4TuplesTypeContract.approval_program() -> uint64:
             block@0: // L14
-                let encoded_tuple_buffer%2#6: any = 0x04b8
-                let encoded_tuple_buffer%2#7: any = (setbit encoded_tuple_buffer%2#6 13u 1u)
-                let encoded_tuple_buffer%2#8: any = (setbit encoded_tuple_buffer%2#7 14u 0u)
-                let encoded_tuple_buffer%2#9: any = (setbit encoded_tuple_buffer%2#8 15u 1u)
+                let encoded_tuple_buffer%2#6: bytes = 0x04b8
+                let encoded_tuple_buffer%2#7: bytes = (setbit encoded_tuple_buffer%2#6 13u 1u)
+                let encoded_tuple_buffer%2#8: bytes = (setbit encoded_tuple_buffer%2#7 14u 0u)
+                let encoded_tuple_buffer%2#9: bytes = (setbit encoded_tuple_buffer%2#8 15u 1u)
                 let encoded_tuple_buffer%2#10: bytes = (concat encoded_tuple_buffer%2#9 0x80)
                 let encoded_tuple_buffer%2#11: bytes = (concat encoded_tuple_buffer%2#10 0x10)
                 let tmp%26#0: uint64 = (== 0x04bd8010 encoded_tuple_buffer%2#11)
diff --git a/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_19.ir b/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_19.ir
index f69be38e64..88a032db96 100644
--- a/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_19.ir
+++ b/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_19.ir
@@ -2,9 +2,9 @@ contract test_cases.arc4_types.tuples.Arc4TuplesTypeContract:
     program approval:
         subroutine test_cases.arc4_types.tuples.Arc4TuplesTypeContract.approval_program() -> uint64:
             block@0: // L14
-                let encoded_tuple_buffer%2#7: any = 0x04bc
-                let encoded_tuple_buffer%2#8: any = (setbit encoded_tuple_buffer%2#7 14u 0u)
-                let encoded_tuple_buffer%2#9: any = (setbit encoded_tuple_buffer%2#8 15u 1u)
+                let encoded_tuple_buffer%2#7: bytes = 0x04bc
+                let encoded_tuple_buffer%2#8: bytes = (setbit encoded_tuple_buffer%2#7 14u 0u)
+                let encoded_tuple_buffer%2#9: bytes = (setbit encoded_tuple_buffer%2#8 15u 1u)
                 let encoded_tuple_buffer%2#10: bytes = (concat encoded_tuple_buffer%2#9 0x80)
                 let encoded_tuple_buffer%2#11: bytes = (concat encoded_tuple_buffer%2#10 0x10)
                 let tmp%26#0: uint64 = (== 0x04bd8010 encoded_tuple_buffer%2#11)
diff --git a/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_2.ir b/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_2.ir
index 54546448b7..1f6c89c867 100644
--- a/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_2.ir
+++ b/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_2.ir
@@ -15,42 +15,42 @@ contract test_cases.arc4_types.tuples.Arc4TuplesTypeContract:
                 (assert tmp%0#0)
                 let encoded_tuple_buffer%1#2: bytes = 0x0480
                 let is_true%0#0: uint64 = 0u
-                let encoded_tuple_buffer%1#3: any = (setbit encoded_tuple_buffer%1#2 9u is_true%0#0)
+                let encoded_tuple_buffer%1#3: bytes = (setbit encoded_tuple_buffer%1#2 9u is_true%0#0)
                 let is_true%1#0: uint64 = 1u
-                let encoded_tuple_buffer%1#4: any = (setbit encoded_tuple_buffer%1#3 10u is_true%1#0)
+                let encoded_tuple_buffer%1#4: bytes = (setbit encoded_tuple_buffer%1#3 10u is_true%1#0)
                 let is_true%2#0: uint64 = 1u
-                let encoded_tuple_buffer%1#5: any = (setbit encoded_tuple_buffer%1#4 11u is_true%2#0)
+                let encoded_tuple_buffer%1#5: bytes = (setbit encoded_tuple_buffer%1#4 11u is_true%2#0)
                 let is_true%3#0: uint64 = 1u
-                let encoded_tuple_buffer%1#6: any = (setbit encoded_tuple_buffer%1#5 12u is_true%3#0)
+                let encoded_tuple_buffer%1#6: bytes = (setbit encoded_tuple_buffer%1#5 12u is_true%3#0)
                 let is_true%4#0: uint64 = 1u
-                let encoded_tuple_buffer%1#7: any = (setbit encoded_tuple_buffer%1#6 13u is_true%4#0)
+                let encoded_tuple_buffer%1#7: bytes = (setbit encoded_tuple_buffer%1#6 13u is_true%4#0)
                 let is_true%5#0: uint64 = 0u
-                let encoded_tuple_buffer%1#8: any = (setbit encoded_tuple_buffer%1#7 14u is_true%5#0)
+                let encoded_tuple_buffer%1#8: bytes = (setbit encoded_tuple_buffer%1#7 14u is_true%5#0)
                 let is_true%6#0: uint64 = 1u
-                let encoded_tuple_buffer%1#9: any = (setbit encoded_tuple_buffer%1#8 15u is_true%6#0)
+                let encoded_tuple_buffer%1#9: bytes = (setbit encoded_tuple_buffer%1#8 15u is_true%6#0)
                 let encoded_tuple_buffer%1#10: bytes = (concat encoded_tuple_buffer%1#9 0x80)
                 let boolean_packing#0: bytes = (concat encoded_tuple_buffer%1#10 0x10)
                 let tmp%10#0: uint64 = (== boolean_packing#0 0x04bd8010)
                 (assert tmp%10#0)
                 let a#0: bytes = ((extract 0 1) boolean_packing#0)
                 let is_true%7#0: uint64 = (getbit boolean_packing#0 8u)
-                let b#0: any = (setbit 0x00 0u is_true%7#0)
+                let b#0: bytes = (setbit 0x00 0u is_true%7#0)
                 let is_true%8#0: uint64 = (getbit boolean_packing#0 9u)
-                let c#0: any = (setbit 0x00 0u is_true%8#0)
+                let c#0: bytes = (setbit 0x00 0u is_true%8#0)
                 let is_true%9#0: uint64 = (getbit boolean_packing#0 10u)
-                let d#0: any = (setbit 0x00 0u is_true%9#0)
+                let d#0: bytes = (setbit 0x00 0u is_true%9#0)
                 let is_true%10#0: uint64 = (getbit boolean_packing#0 11u)
-                let e#0: any = (setbit 0x00 0u is_true%10#0)
+                let e#0: bytes = (setbit 0x00 0u is_true%10#0)
                 let is_true%11#0: uint64 = (getbit boolean_packing#0 12u)
-                let f#0: any = (setbit 0x00 0u is_true%11#0)
+                let f#0: bytes = (setbit 0x00 0u is_true%11#0)
                 let is_true%12#0: uint64 = (getbit boolean_packing#0 13u)
-                let g#0: any = (setbit 0x00 0u is_true%12#0)
+                let g#0: bytes = (setbit 0x00 0u is_true%12#0)
                 let is_true%13#0: uint64 = (getbit boolean_packing#0 14u)
-                let h#0: any = (setbit 0x00 0u is_true%13#0)
+                let h#0: bytes = (setbit 0x00 0u is_true%13#0)
                 let is_true%14#0: uint64 = (getbit boolean_packing#0 15u)
-                let i#0: any = (setbit 0x00 0u is_true%14#0)
+                let i#0: bytes = (setbit 0x00 0u is_true%14#0)
                 let is_true%15#0: uint64 = (getbit boolean_packing#0 16u)
-                let j#0: any = (setbit 0x00 0u is_true%15#0)
+                let j#0: bytes = (setbit 0x00 0u is_true%15#0)
                 let k#0: bytes = ((extract 3 1) boolean_packing#0)
                 let tmp%12#0: uint64 = 1u
                 (assert tmp%12#0)
@@ -122,19 +122,19 @@ contract test_cases.arc4_types.tuples.Arc4TuplesTypeContract:
                 (assert tmp%25#0) // k is 16
                 let encoded_tuple_buffer%2#2: bytes = (concat a#0 b#0)
                 let is_true%25#0: uint64 = (getbit c#0 0u)
-                let encoded_tuple_buffer%2#3: any = (setbit encoded_tuple_buffer%2#2 9u is_true%25#0)
+                let encoded_tuple_buffer%2#3: bytes = (setbit encoded_tuple_buffer%2#2 9u is_true%25#0)
                 let is_true%26#0: uint64 = (getbit d#0 0u)
-                let encoded_tuple_buffer%2#4: any = (setbit encoded_tuple_buffer%2#3 10u is_true%26#0)
+                let encoded_tuple_buffer%2#4: bytes = (setbit encoded_tuple_buffer%2#3 10u is_true%26#0)
                 let is_true%27#0: uint64 = (getbit e#0 0u)
-                let encoded_tuple_buffer%2#5: any = (setbit encoded_tuple_buffer%2#4 11u is_true%27#0)
+                let encoded_tuple_buffer%2#5: bytes = (setbit encoded_tuple_buffer%2#4 11u is_true%27#0)
                 let is_true%28#0: uint64 = (getbit f#0 0u)
-                let encoded_tuple_buffer%2#6: any = (setbit encoded_tuple_buffer%2#5 12u is_true%28#0)
+                let encoded_tuple_buffer%2#6: bytes = (setbit encoded_tuple_buffer%2#5 12u is_true%28#0)
                 let is_true%29#0: uint64 = (getbit g#0 0u)
-                let encoded_tuple_buffer%2#7: any = (setbit encoded_tuple_buffer%2#6 13u is_true%29#0)
+                let encoded_tuple_buffer%2#7: bytes = (setbit encoded_tuple_buffer%2#6 13u is_true%29#0)
                 let is_true%30#0: uint64 = (getbit h#0 0u)
-                let encoded_tuple_buffer%2#8: any = (setbit encoded_tuple_buffer%2#7 14u is_true%30#0)
+                let encoded_tuple_buffer%2#8: bytes = (setbit encoded_tuple_buffer%2#7 14u is_true%30#0)
                 let is_true%31#0: uint64 = (getbit i#0 0u)
-                let encoded_tuple_buffer%2#9: any = (setbit encoded_tuple_buffer%2#8 15u is_true%31#0)
+                let encoded_tuple_buffer%2#9: bytes = (setbit encoded_tuple_buffer%2#8 15u is_true%31#0)
                 let encoded_tuple_buffer%2#10: bytes = (concat encoded_tuple_buffer%2#9 j#0)
                 let encoded_tuple_buffer%2#11: bytes = (concat encoded_tuple_buffer%2#10 k#0)
                 let tmp%26#0: uint64 = (== boolean_packing#0 encoded_tuple_buffer%2#11)
diff --git a/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_20.ir b/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_20.ir
index 82e7b66c52..8ed73b8713 100644
--- a/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_20.ir
+++ b/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_20.ir
@@ -2,8 +2,8 @@ contract test_cases.arc4_types.tuples.Arc4TuplesTypeContract:
     program approval:
         subroutine test_cases.arc4_types.tuples.Arc4TuplesTypeContract.approval_program() -> uint64:
             block@0: // L14
-                let encoded_tuple_buffer%2#8: any = 0x04bc
-                let encoded_tuple_buffer%2#9: any = (setbit encoded_tuple_buffer%2#8 15u 1u)
+                let encoded_tuple_buffer%2#8: bytes = 0x04bc
+                let encoded_tuple_buffer%2#9: bytes = (setbit encoded_tuple_buffer%2#8 15u 1u)
                 let encoded_tuple_buffer%2#10: bytes = (concat encoded_tuple_buffer%2#9 0x80)
                 let encoded_tuple_buffer%2#11: bytes = (concat encoded_tuple_buffer%2#10 0x10)
                 let tmp%26#0: uint64 = (== 0x04bd8010 encoded_tuple_buffer%2#11)
diff --git a/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_21.ir b/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_21.ir
index fa7fdb1534..511f1c23ca 100644
--- a/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_21.ir
+++ b/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_21.ir
@@ -2,7 +2,7 @@ contract test_cases.arc4_types.tuples.Arc4TuplesTypeContract:
     program approval:
         subroutine test_cases.arc4_types.tuples.Arc4TuplesTypeContract.approval_program() -> uint64:
             block@0: // L14
-                let encoded_tuple_buffer%2#9: any = 0x04bd
+                let encoded_tuple_buffer%2#9: bytes = 0x04bd
                 let encoded_tuple_buffer%2#10: bytes = (concat encoded_tuple_buffer%2#9 0x80)
                 let encoded_tuple_buffer%2#11: bytes = (concat encoded_tuple_buffer%2#10 0x10)
                 let tmp%26#0: uint64 = (== 0x04bd8010 encoded_tuple_buffer%2#11)
diff --git a/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_3.ir b/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_3.ir
index c69db07578..9d61abbf02 100644
--- a/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_3.ir
+++ b/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_3.ir
@@ -10,36 +10,36 @@ contract test_cases.arc4_types.tuples.Arc4TuplesTypeContract:
                 let my_tuple#0: bytes = (concat encoded_tuple_buffer%0#6 "\x00\x05world")
                 let tmp%0#0: uint64 = (== my_tuple#0 0x01020007000eff000568656c6c6f0005776f726c64)
                 (assert tmp%0#0)
-                let encoded_tuple_buffer%1#3: any = 0x0480
-                let encoded_tuple_buffer%1#4: any = (setbit encoded_tuple_buffer%1#3 10u 1u)
-                let encoded_tuple_buffer%1#5: any = (setbit encoded_tuple_buffer%1#4 11u 1u)
-                let encoded_tuple_buffer%1#6: any = (setbit encoded_tuple_buffer%1#5 12u 1u)
-                let encoded_tuple_buffer%1#7: any = (setbit encoded_tuple_buffer%1#6 13u 1u)
-                let encoded_tuple_buffer%1#8: any = (setbit encoded_tuple_buffer%1#7 14u 0u)
-                let encoded_tuple_buffer%1#9: any = (setbit encoded_tuple_buffer%1#8 15u 1u)
+                let encoded_tuple_buffer%1#3: bytes = 0x0480
+                let encoded_tuple_buffer%1#4: bytes = (setbit encoded_tuple_buffer%1#3 10u 1u)
+                let encoded_tuple_buffer%1#5: bytes = (setbit encoded_tuple_buffer%1#4 11u 1u)
+                let encoded_tuple_buffer%1#6: bytes = (setbit encoded_tuple_buffer%1#5 12u 1u)
+                let encoded_tuple_buffer%1#7: bytes = (setbit encoded_tuple_buffer%1#6 13u 1u)
+                let encoded_tuple_buffer%1#8: bytes = (setbit encoded_tuple_buffer%1#7 14u 0u)
+                let encoded_tuple_buffer%1#9: bytes = (setbit encoded_tuple_buffer%1#8 15u 1u)
                 let encoded_tuple_buffer%1#10: bytes = (concat encoded_tuple_buffer%1#9 0x80)
                 let boolean_packing#0: bytes = (concat encoded_tuple_buffer%1#10 0x10)
                 let tmp%10#0: uint64 = (== boolean_packing#0 0x04bd8010)
                 (assert tmp%10#0)
                 let a#0: bytes = ((extract 0 1) boolean_packing#0)
                 let is_true%7#0: uint64 = (getbit boolean_packing#0 8u)
-                let b#0: any = (setbit 0x00 0u is_true%7#0)
+                let b#0: bytes = (setbit 0x00 0u is_true%7#0)
                 let is_true%8#0: uint64 = (getbit boolean_packing#0 9u)
-                let c#0: any = (setbit 0x00 0u is_true%8#0)
+                let c#0: bytes = (setbit 0x00 0u is_true%8#0)
                 let is_true%9#0: uint64 = (getbit boolean_packing#0 10u)
-                let d#0: any = (setbit 0x00 0u is_true%9#0)
+                let d#0: bytes = (setbit 0x00 0u is_true%9#0)
                 let is_true%10#0: uint64 = (getbit boolean_packing#0 11u)
-                let e#0: any = (setbit 0x00 0u is_true%10#0)
+                let e#0: bytes = (setbit 0x00 0u is_true%10#0)
                 let is_true%11#0: uint64 = (getbit boolean_packing#0 12u)
-                let f#0: any = (setbit 0x00 0u is_true%11#0)
+                let f#0: bytes = (setbit 0x00 0u is_true%11#0)
                 let is_true%12#0: uint64 = (getbit boolean_packing#0 13u)
-                let g#0: any = (setbit 0x00 0u is_true%12#0)
+                let g#0: bytes = (setbit 0x00 0u is_true%12#0)
                 let is_true%13#0: uint64 = (getbit boolean_packing#0 14u)
-                let h#0: any = (setbit 0x00 0u is_true%13#0)
+                let h#0: bytes = (setbit 0x00 0u is_true%13#0)
                 let is_true%14#0: uint64 = (getbit boolean_packing#0 15u)
-                let i#0: any = (setbit 0x00 0u is_true%14#0)
+                let i#0: bytes = (setbit 0x00 0u is_true%14#0)
                 let is_true%15#0: uint64 = (getbit boolean_packing#0 16u)
-                let j#0: any = (setbit 0x00 0u is_true%15#0)
+                let j#0: bytes = (setbit 0x00 0u is_true%15#0)
                 let k#0: bytes = ((extract 3 1) boolean_packing#0)
                 let tmp%13#0: uint64 = (btoi a#0)
                 let tmp%14#0: uint64 = (== tmp%13#0 4u)
@@ -109,19 +109,19 @@ contract test_cases.arc4_types.tuples.Arc4TuplesTypeContract:
                 (assert tmp%25#0) // k is 16
                 let encoded_tuple_buffer%2#2: bytes = (concat a#0 b#0)
                 let is_true%25#0: uint64 = (getbit c#0 0u)
-                let encoded_tuple_buffer%2#3: any = (setbit encoded_tuple_buffer%2#2 9u is_true%25#0)
+                let encoded_tuple_buffer%2#3: bytes = (setbit encoded_tuple_buffer%2#2 9u is_true%25#0)
                 let is_true%26#0: uint64 = (getbit d#0 0u)
-                let encoded_tuple_buffer%2#4: any = (setbit encoded_tuple_buffer%2#3 10u is_true%26#0)
+                let encoded_tuple_buffer%2#4: bytes = (setbit encoded_tuple_buffer%2#3 10u is_true%26#0)
                 let is_true%27#0: uint64 = (getbit e#0 0u)
-                let encoded_tuple_buffer%2#5: any = (setbit encoded_tuple_buffer%2#4 11u is_true%27#0)
+                let encoded_tuple_buffer%2#5: bytes = (setbit encoded_tuple_buffer%2#4 11u is_true%27#0)
                 let is_true%28#0: uint64 = (getbit f#0 0u)
-                let encoded_tuple_buffer%2#6: any = (setbit encoded_tuple_buffer%2#5 12u is_true%28#0)
+                let encoded_tuple_buffer%2#6: bytes = (setbit encoded_tuple_buffer%2#5 12u is_true%28#0)
                 let is_true%29#0: uint64 = (getbit g#0 0u)
-                let encoded_tuple_buffer%2#7: any = (setbit encoded_tuple_buffer%2#6 13u is_true%29#0)
+                let encoded_tuple_buffer%2#7: bytes = (setbit encoded_tuple_buffer%2#6 13u is_true%29#0)
                 let is_true%30#0: uint64 = (getbit h#0 0u)
-                let encoded_tuple_buffer%2#8: any = (setbit encoded_tuple_buffer%2#7 14u is_true%30#0)
+                let encoded_tuple_buffer%2#8: bytes = (setbit encoded_tuple_buffer%2#7 14u is_true%30#0)
                 let is_true%31#0: uint64 = (getbit i#0 0u)
-                let encoded_tuple_buffer%2#9: any = (setbit encoded_tuple_buffer%2#8 15u is_true%31#0)
+                let encoded_tuple_buffer%2#9: bytes = (setbit encoded_tuple_buffer%2#8 15u is_true%31#0)
                 let encoded_tuple_buffer%2#10: bytes = (concat encoded_tuple_buffer%2#9 j#0)
                 let encoded_tuple_buffer%2#11: bytes = (concat encoded_tuple_buffer%2#10 k#0)
                 let tmp%26#0: uint64 = (== boolean_packing#0 encoded_tuple_buffer%2#11)
diff --git a/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_4.ir b/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_4.ir
index a12eca1399..e8c42436ee 100644
--- a/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_4.ir
+++ b/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_4.ir
@@ -8,35 +8,35 @@ contract test_cases.arc4_types.tuples.Arc4TuplesTypeContract:
                 let my_tuple#0: bytes = (concat encoded_tuple_buffer%0#6 "\x00\x05world")
                 let tmp%0#0: uint64 = (== my_tuple#0 0x01020007000eff000568656c6c6f0005776f726c64)
                 (assert tmp%0#0)
-                let encoded_tuple_buffer%1#4: any = 0x04a0
-                let encoded_tuple_buffer%1#5: any = (setbit encoded_tuple_buffer%1#4 11u 1u)
-                let encoded_tuple_buffer%1#6: any = (setbit encoded_tuple_buffer%1#5 12u 1u)
-                let encoded_tuple_buffer%1#7: any = (setbit encoded_tuple_buffer%1#6 13u 1u)
-                let encoded_tuple_buffer%1#8: any = (setbit encoded_tuple_buffer%1#7 14u 0u)
-                let encoded_tuple_buffer%1#9: any = (setbit encoded_tuple_buffer%1#8 15u 1u)
+                let encoded_tuple_buffer%1#4: bytes = 0x04a0
+                let encoded_tuple_buffer%1#5: bytes = (setbit encoded_tuple_buffer%1#4 11u 1u)
+                let encoded_tuple_buffer%1#6: bytes = (setbit encoded_tuple_buffer%1#5 12u 1u)
+                let encoded_tuple_buffer%1#7: bytes = (setbit encoded_tuple_buffer%1#6 13u 1u)
+                let encoded_tuple_buffer%1#8: bytes = (setbit encoded_tuple_buffer%1#7 14u 0u)
+                let encoded_tuple_buffer%1#9: bytes = (setbit encoded_tuple_buffer%1#8 15u 1u)
                 let encoded_tuple_buffer%1#10: bytes = (concat encoded_tuple_buffer%1#9 0x80)
                 let boolean_packing#0: bytes = (concat encoded_tuple_buffer%1#10 0x10)
                 let tmp%10#0: uint64 = (== boolean_packing#0 0x04bd8010)
                 (assert tmp%10#0)
                 let a#0: bytes = ((extract 0 1) boolean_packing#0)
                 let is_true%7#0: uint64 = (getbit boolean_packing#0 8u)
-                let b#0: any = (setbit 0x00 0u is_true%7#0)
+                let b#0: bytes = (setbit 0x00 0u is_true%7#0)
                 let is_true%8#0: uint64 = (getbit boolean_packing#0 9u)
-                let c#0: any = (setbit 0x00 0u is_true%8#0)
+                let c#0: bytes = (setbit 0x00 0u is_true%8#0)
                 let is_true%9#0: uint64 = (getbit boolean_packing#0 10u)
-                let d#0: any = (setbit 0x00 0u is_true%9#0)
+                let d#0: bytes = (setbit 0x00 0u is_true%9#0)
                 let is_true%10#0: uint64 = (getbit boolean_packing#0 11u)
-                let e#0: any = (setbit 0x00 0u is_true%10#0)
+                let e#0: bytes = (setbit 0x00 0u is_true%10#0)
                 let is_true%11#0: uint64 = (getbit boolean_packing#0 12u)
-                let f#0: any = (setbit 0x00 0u is_true%11#0)
+                let f#0: bytes = (setbit 0x00 0u is_true%11#0)
                 let is_true%12#0: uint64 = (getbit boolean_packing#0 13u)
-                let g#0: any = (setbit 0x00 0u is_true%12#0)
+                let g#0: bytes = (setbit 0x00 0u is_true%12#0)
                 let is_true%13#0: uint64 = (getbit boolean_packing#0 14u)
-                let h#0: any = (setbit 0x00 0u is_true%13#0)
+                let h#0: bytes = (setbit 0x00 0u is_true%13#0)
                 let is_true%14#0: uint64 = (getbit boolean_packing#0 15u)
-                let i#0: any = (setbit 0x00 0u is_true%14#0)
+                let i#0: bytes = (setbit 0x00 0u is_true%14#0)
                 let is_true%15#0: uint64 = (getbit boolean_packing#0 16u)
-                let j#0: any = (setbit 0x00 0u is_true%15#0)
+                let j#0: bytes = (setbit 0x00 0u is_true%15#0)
                 let k#0: bytes = ((extract 3 1) boolean_packing#0)
                 let tmp%13#0: uint64 = (btoi a#0)
                 let tmp%14#0: uint64 = (== tmp%13#0 4u)
@@ -106,19 +106,19 @@ contract test_cases.arc4_types.tuples.Arc4TuplesTypeContract:
                 (assert tmp%25#0) // k is 16
                 let encoded_tuple_buffer%2#2: bytes = (concat a#0 b#0)
                 let is_true%25#0: uint64 = (getbit c#0 0u)
-                let encoded_tuple_buffer%2#3: any = (setbit encoded_tuple_buffer%2#2 9u is_true%25#0)
+                let encoded_tuple_buffer%2#3: bytes = (setbit encoded_tuple_buffer%2#2 9u is_true%25#0)
                 let is_true%26#0: uint64 = (getbit d#0 0u)
-                let encoded_tuple_buffer%2#4: any = (setbit encoded_tuple_buffer%2#3 10u is_true%26#0)
+                let encoded_tuple_buffer%2#4: bytes = (setbit encoded_tuple_buffer%2#3 10u is_true%26#0)
                 let is_true%27#0: uint64 = (getbit e#0 0u)
-                let encoded_tuple_buffer%2#5: any = (setbit encoded_tuple_buffer%2#4 11u is_true%27#0)
+                let encoded_tuple_buffer%2#5: bytes = (setbit encoded_tuple_buffer%2#4 11u is_true%27#0)
                 let is_true%28#0: uint64 = (getbit f#0 0u)
-                let encoded_tuple_buffer%2#6: any = (setbit encoded_tuple_buffer%2#5 12u is_true%28#0)
+                let encoded_tuple_buffer%2#6: bytes = (setbit encoded_tuple_buffer%2#5 12u is_true%28#0)
                 let is_true%29#0: uint64 = (getbit g#0 0u)
-                let encoded_tuple_buffer%2#7: any = (setbit encoded_tuple_buffer%2#6 13u is_true%29#0)
+                let encoded_tuple_buffer%2#7: bytes = (setbit encoded_tuple_buffer%2#6 13u is_true%29#0)
                 let is_true%30#0: uint64 = (getbit h#0 0u)
-                let encoded_tuple_buffer%2#8: any = (setbit encoded_tuple_buffer%2#7 14u is_true%30#0)
+                let encoded_tuple_buffer%2#8: bytes = (setbit encoded_tuple_buffer%2#7 14u is_true%30#0)
                 let is_true%31#0: uint64 = (getbit i#0 0u)
-                let encoded_tuple_buffer%2#9: any = (setbit encoded_tuple_buffer%2#8 15u is_true%31#0)
+                let encoded_tuple_buffer%2#9: bytes = (setbit encoded_tuple_buffer%2#8 15u is_true%31#0)
                 let encoded_tuple_buffer%2#10: bytes = (concat encoded_tuple_buffer%2#9 j#0)
                 let encoded_tuple_buffer%2#11: bytes = (concat encoded_tuple_buffer%2#10 k#0)
                 let tmp%26#0: uint64 = (== boolean_packing#0 encoded_tuple_buffer%2#11)
diff --git a/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_5.ir b/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_5.ir
index 6970e8cbb6..87f2f5bea5 100644
--- a/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_5.ir
+++ b/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_5.ir
@@ -7,34 +7,34 @@ contract test_cases.arc4_types.tuples.Arc4TuplesTypeContract:
                 let my_tuple#0: bytes = (concat encoded_tuple_buffer%0#6 "\x00\x05world")
                 let tmp%0#0: uint64 = (== my_tuple#0 0x01020007000eff000568656c6c6f0005776f726c64)
                 (assert tmp%0#0)
-                let encoded_tuple_buffer%1#5: any = 0x04b0
-                let encoded_tuple_buffer%1#6: any = (setbit encoded_tuple_buffer%1#5 12u 1u)
-                let encoded_tuple_buffer%1#7: any = (setbit encoded_tuple_buffer%1#6 13u 1u)
-                let encoded_tuple_buffer%1#8: any = (setbit encoded_tuple_buffer%1#7 14u 0u)
-                let encoded_tuple_buffer%1#9: any = (setbit encoded_tuple_buffer%1#8 15u 1u)
+                let encoded_tuple_buffer%1#5: bytes = 0x04b0
+                let encoded_tuple_buffer%1#6: bytes = (setbit encoded_tuple_buffer%1#5 12u 1u)
+                let encoded_tuple_buffer%1#7: bytes = (setbit encoded_tuple_buffer%1#6 13u 1u)
+                let encoded_tuple_buffer%1#8: bytes = (setbit encoded_tuple_buffer%1#7 14u 0u)
+                let encoded_tuple_buffer%1#9: bytes = (setbit encoded_tuple_buffer%1#8 15u 1u)
                 let encoded_tuple_buffer%1#10: bytes = (concat encoded_tuple_buffer%1#9 0x80)
                 let boolean_packing#0: bytes = (concat encoded_tuple_buffer%1#10 0x10)
                 let tmp%10#0: uint64 = (== boolean_packing#0 0x04bd8010)
                 (assert tmp%10#0)
                 let a#0: bytes = ((extract 0 1) boolean_packing#0)
                 let is_true%7#0: uint64 = (getbit boolean_packing#0 8u)
-                let b#0: any = (setbit 0x00 0u is_true%7#0)
+                let b#0: bytes = (setbit 0x00 0u is_true%7#0)
                 let is_true%8#0: uint64 = (getbit boolean_packing#0 9u)
-                let c#0: any = (setbit 0x00 0u is_true%8#0)
+                let c#0: bytes = (setbit 0x00 0u is_true%8#0)
                 let is_true%9#0: uint64 = (getbit boolean_packing#0 10u)
-                let d#0: any = (setbit 0x00 0u is_true%9#0)
+                let d#0: bytes = (setbit 0x00 0u is_true%9#0)
                 let is_true%10#0: uint64 = (getbit boolean_packing#0 11u)
-                let e#0: any = (setbit 0x00 0u is_true%10#0)
+                let e#0: bytes = (setbit 0x00 0u is_true%10#0)
                 let is_true%11#0: uint64 = (getbit boolean_packing#0 12u)
-                let f#0: any = (setbit 0x00 0u is_true%11#0)
+                let f#0: bytes = (setbit 0x00 0u is_true%11#0)
                 let is_true%12#0: uint64 = (getbit boolean_packing#0 13u)
-                let g#0: any = (setbit 0x00 0u is_true%12#0)
+                let g#0: bytes = (setbit 0x00 0u is_true%12#0)
                 let is_true%13#0: uint64 = (getbit boolean_packing#0 14u)
-                let h#0: any = (setbit 0x00 0u is_true%13#0)
+                let h#0: bytes = (setbit 0x00 0u is_true%13#0)
                 let is_true%14#0: uint64 = (getbit boolean_packing#0 15u)
-                let i#0: any = (setbit 0x00 0u is_true%14#0)
+                let i#0: bytes = (setbit 0x00 0u is_true%14#0)
                 let is_true%15#0: uint64 = (getbit boolean_packing#0 16u)
-                let j#0: any = (setbit 0x00 0u is_true%15#0)
+                let j#0: bytes = (setbit 0x00 0u is_true%15#0)
                 let k#0: bytes = ((extract 3 1) boolean_packing#0)
                 let tmp%13#0: uint64 = (btoi a#0)
                 let tmp%14#0: uint64 = (== tmp%13#0 4u)
@@ -104,19 +104,19 @@ contract test_cases.arc4_types.tuples.Arc4TuplesTypeContract:
                 (assert tmp%25#0) // k is 16
                 let encoded_tuple_buffer%2#2: bytes = (concat a#0 b#0)
                 let is_true%25#0: uint64 = (getbit c#0 0u)
-                let encoded_tuple_buffer%2#3: any = (setbit encoded_tuple_buffer%2#2 9u is_true%25#0)
+                let encoded_tuple_buffer%2#3: bytes = (setbit encoded_tuple_buffer%2#2 9u is_true%25#0)
                 let is_true%26#0: uint64 = (getbit d#0 0u)
-                let encoded_tuple_buffer%2#4: any = (setbit encoded_tuple_buffer%2#3 10u is_true%26#0)
+                let encoded_tuple_buffer%2#4: bytes = (setbit encoded_tuple_buffer%2#3 10u is_true%26#0)
                 let is_true%27#0: uint64 = (getbit e#0 0u)
-                let encoded_tuple_buffer%2#5: any = (setbit encoded_tuple_buffer%2#4 11u is_true%27#0)
+                let encoded_tuple_buffer%2#5: bytes = (setbit encoded_tuple_buffer%2#4 11u is_true%27#0)
                 let is_true%28#0: uint64 = (getbit f#0 0u)
-                let encoded_tuple_buffer%2#6: any = (setbit encoded_tuple_buffer%2#5 12u is_true%28#0)
+                let encoded_tuple_buffer%2#6: bytes = (setbit encoded_tuple_buffer%2#5 12u is_true%28#0)
                 let is_true%29#0: uint64 = (getbit g#0 0u)
-                let encoded_tuple_buffer%2#7: any = (setbit encoded_tuple_buffer%2#6 13u is_true%29#0)
+                let encoded_tuple_buffer%2#7: bytes = (setbit encoded_tuple_buffer%2#6 13u is_true%29#0)
                 let is_true%30#0: uint64 = (getbit h#0 0u)
-                let encoded_tuple_buffer%2#8: any = (setbit encoded_tuple_buffer%2#7 14u is_true%30#0)
+                let encoded_tuple_buffer%2#8: bytes = (setbit encoded_tuple_buffer%2#7 14u is_true%30#0)
                 let is_true%31#0: uint64 = (getbit i#0 0u)
-                let encoded_tuple_buffer%2#9: any = (setbit encoded_tuple_buffer%2#8 15u is_true%31#0)
+                let encoded_tuple_buffer%2#9: bytes = (setbit encoded_tuple_buffer%2#8 15u is_true%31#0)
                 let encoded_tuple_buffer%2#10: bytes = (concat encoded_tuple_buffer%2#9 j#0)
                 let encoded_tuple_buffer%2#11: bytes = (concat encoded_tuple_buffer%2#10 k#0)
                 let tmp%26#0: uint64 = (== boolean_packing#0 encoded_tuple_buffer%2#11)
diff --git a/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_6.ir b/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_6.ir
index 42bc71ea5a..30136a7cb6 100644
--- a/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_6.ir
+++ b/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_6.ir
@@ -6,33 +6,33 @@ contract test_cases.arc4_types.tuples.Arc4TuplesTypeContract:
                 let my_tuple#0: bytes = (concat encoded_tuple_buffer%0#6 "\x00\x05world")
                 let tmp%0#0: uint64 = (== my_tuple#0 0x01020007000eff000568656c6c6f0005776f726c64)
                 (assert tmp%0#0)
-                let encoded_tuple_buffer%1#6: any = 0x04b8
-                let encoded_tuple_buffer%1#7: any = (setbit encoded_tuple_buffer%1#6 13u 1u)
-                let encoded_tuple_buffer%1#8: any = (setbit encoded_tuple_buffer%1#7 14u 0u)
-                let encoded_tuple_buffer%1#9: any = (setbit encoded_tuple_buffer%1#8 15u 1u)
+                let encoded_tuple_buffer%1#6: bytes = 0x04b8
+                let encoded_tuple_buffer%1#7: bytes = (setbit encoded_tuple_buffer%1#6 13u 1u)
+                let encoded_tuple_buffer%1#8: bytes = (setbit encoded_tuple_buffer%1#7 14u 0u)
+                let encoded_tuple_buffer%1#9: bytes = (setbit encoded_tuple_buffer%1#8 15u 1u)
                 let encoded_tuple_buffer%1#10: bytes = (concat encoded_tuple_buffer%1#9 0x80)
                 let boolean_packing#0: bytes = (concat encoded_tuple_buffer%1#10 0x10)
                 let tmp%10#0: uint64 = (== boolean_packing#0 0x04bd8010)
                 (assert tmp%10#0)
                 let a#0: bytes = ((extract 0 1) boolean_packing#0)
                 let is_true%7#0: uint64 = (getbit boolean_packing#0 8u)
-                let b#0: any = (setbit 0x00 0u is_true%7#0)
+                let b#0: bytes = (setbit 0x00 0u is_true%7#0)
                 let is_true%8#0: uint64 = (getbit boolean_packing#0 9u)
-                let c#0: any = (setbit 0x00 0u is_true%8#0)
+                let c#0: bytes = (setbit 0x00 0u is_true%8#0)
                 let is_true%9#0: uint64 = (getbit boolean_packing#0 10u)
-                let d#0: any = (setbit 0x00 0u is_true%9#0)
+                let d#0: bytes = (setbit 0x00 0u is_true%9#0)
                 let is_true%10#0: uint64 = (getbit boolean_packing#0 11u)
-                let e#0: any = (setbit 0x00 0u is_true%10#0)
+                let e#0: bytes = (setbit 0x00 0u is_true%10#0)
                 let is_true%11#0: uint64 = (getbit boolean_packing#0 12u)
-                let f#0: any = (setbit 0x00 0u is_true%11#0)
+                let f#0: bytes = (setbit 0x00 0u is_true%11#0)
                 let is_true%12#0: uint64 = (getbit boolean_packing#0 13u)
-                let g#0: any = (setbit 0x00 0u is_true%12#0)
+                let g#0: bytes = (setbit 0x00 0u is_true%12#0)
                 let is_true%13#0: uint64 = (getbit boolean_packing#0 14u)
-                let h#0: any = (setbit 0x00 0u is_true%13#0)
+                let h#0: bytes = (setbit 0x00 0u is_true%13#0)
                 let is_true%14#0: uint64 = (getbit boolean_packing#0 15u)
-                let i#0: any = (setbit 0x00 0u is_true%14#0)
+                let i#0: bytes = (setbit 0x00 0u is_true%14#0)
                 let is_true%15#0: uint64 = (getbit boolean_packing#0 16u)
-                let j#0: any = (setbit 0x00 0u is_true%15#0)
+                let j#0: bytes = (setbit 0x00 0u is_true%15#0)
                 let k#0: bytes = ((extract 3 1) boolean_packing#0)
                 let tmp%13#0: uint64 = (btoi a#0)
                 let tmp%14#0: uint64 = (== tmp%13#0 4u)
@@ -102,19 +102,19 @@ contract test_cases.arc4_types.tuples.Arc4TuplesTypeContract:
                 (assert tmp%25#0) // k is 16
                 let encoded_tuple_buffer%2#2: bytes = (concat a#0 b#0)
                 let is_true%25#0: uint64 = (getbit c#0 0u)
-                let encoded_tuple_buffer%2#3: any = (setbit encoded_tuple_buffer%2#2 9u is_true%25#0)
+                let encoded_tuple_buffer%2#3: bytes = (setbit encoded_tuple_buffer%2#2 9u is_true%25#0)
                 let is_true%26#0: uint64 = (getbit d#0 0u)
-                let encoded_tuple_buffer%2#4: any = (setbit encoded_tuple_buffer%2#3 10u is_true%26#0)
+                let encoded_tuple_buffer%2#4: bytes = (setbit encoded_tuple_buffer%2#3 10u is_true%26#0)
                 let is_true%27#0: uint64 = (getbit e#0 0u)
-                let encoded_tuple_buffer%2#5: any = (setbit encoded_tuple_buffer%2#4 11u is_true%27#0)
+                let encoded_tuple_buffer%2#5: bytes = (setbit encoded_tuple_buffer%2#4 11u is_true%27#0)
                 let is_true%28#0: uint64 = (getbit f#0 0u)
-                let encoded_tuple_buffer%2#6: any = (setbit encoded_tuple_buffer%2#5 12u is_true%28#0)
+                let encoded_tuple_buffer%2#6: bytes = (setbit encoded_tuple_buffer%2#5 12u is_true%28#0)
                 let is_true%29#0: uint64 = (getbit g#0 0u)
-                let encoded_tuple_buffer%2#7: any = (setbit encoded_tuple_buffer%2#6 13u is_true%29#0)
+                let encoded_tuple_buffer%2#7: bytes = (setbit encoded_tuple_buffer%2#6 13u is_true%29#0)
                 let is_true%30#0: uint64 = (getbit h#0 0u)
-                let encoded_tuple_buffer%2#8: any = (setbit encoded_tuple_buffer%2#7 14u is_true%30#0)
+                let encoded_tuple_buffer%2#8: bytes = (setbit encoded_tuple_buffer%2#7 14u is_true%30#0)
                 let is_true%31#0: uint64 = (getbit i#0 0u)
-                let encoded_tuple_buffer%2#9: any = (setbit encoded_tuple_buffer%2#8 15u is_true%31#0)
+                let encoded_tuple_buffer%2#9: bytes = (setbit encoded_tuple_buffer%2#8 15u is_true%31#0)
                 let encoded_tuple_buffer%2#10: bytes = (concat encoded_tuple_buffer%2#9 j#0)
                 let encoded_tuple_buffer%2#11: bytes = (concat encoded_tuple_buffer%2#10 k#0)
                 let tmp%26#0: uint64 = (== boolean_packing#0 encoded_tuple_buffer%2#11)
diff --git a/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_7.ir b/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_7.ir
index d3593f5508..f1e6bd3d3f 100644
--- a/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_7.ir
+++ b/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_7.ir
@@ -5,32 +5,32 @@ contract test_cases.arc4_types.tuples.Arc4TuplesTypeContract:
                 let my_tuple#0: bytes = 0x01020007000eff000568656c6c6f0005776f726c64
                 let tmp%0#0: uint64 = (== my_tuple#0 0x01020007000eff000568656c6c6f0005776f726c64)
                 (assert tmp%0#0)
-                let encoded_tuple_buffer%1#7: any = 0x04bc
-                let encoded_tuple_buffer%1#8: any = (setbit encoded_tuple_buffer%1#7 14u 0u)
-                let encoded_tuple_buffer%1#9: any = (setbit encoded_tuple_buffer%1#8 15u 1u)
+                let encoded_tuple_buffer%1#7: bytes = 0x04bc
+                let encoded_tuple_buffer%1#8: bytes = (setbit encoded_tuple_buffer%1#7 14u 0u)
+                let encoded_tuple_buffer%1#9: bytes = (setbit encoded_tuple_buffer%1#8 15u 1u)
                 let encoded_tuple_buffer%1#10: bytes = (concat encoded_tuple_buffer%1#9 0x80)
                 let boolean_packing#0: bytes = (concat encoded_tuple_buffer%1#10 0x10)
                 let tmp%10#0: uint64 = (== boolean_packing#0 0x04bd8010)
                 (assert tmp%10#0)
                 let a#0: bytes = ((extract 0 1) boolean_packing#0)
                 let is_true%7#0: uint64 = (getbit boolean_packing#0 8u)
-                let b#0: any = (setbit 0x00 0u is_true%7#0)
+                let b#0: bytes = (setbit 0x00 0u is_true%7#0)
                 let is_true%8#0: uint64 = (getbit boolean_packing#0 9u)
-                let c#0: any = (setbit 0x00 0u is_true%8#0)
+                let c#0: bytes = (setbit 0x00 0u is_true%8#0)
                 let is_true%9#0: uint64 = (getbit boolean_packing#0 10u)
-                let d#0: any = (setbit 0x00 0u is_true%9#0)
+                let d#0: bytes = (setbit 0x00 0u is_true%9#0)
                 let is_true%10#0: uint64 = (getbit boolean_packing#0 11u)
-                let e#0: any = (setbit 0x00 0u is_true%10#0)
+                let e#0: bytes = (setbit 0x00 0u is_true%10#0)
                 let is_true%11#0: uint64 = (getbit boolean_packing#0 12u)
-                let f#0: any = (setbit 0x00 0u is_true%11#0)
+                let f#0: bytes = (setbit 0x00 0u is_true%11#0)
                 let is_true%12#0: uint64 = (getbit boolean_packing#0 13u)
-                let g#0: any = (setbit 0x00 0u is_true%12#0)
+                let g#0: bytes = (setbit 0x00 0u is_true%12#0)
                 let is_true%13#0: uint64 = (getbit boolean_packing#0 14u)
-                let h#0: any = (setbit 0x00 0u is_true%13#0)
+                let h#0: bytes = (setbit 0x00 0u is_true%13#0)
                 let is_true%14#0: uint64 = (getbit boolean_packing#0 15u)
-                let i#0: any = (setbit 0x00 0u is_true%14#0)
+                let i#0: bytes = (setbit 0x00 0u is_true%14#0)
                 let is_true%15#0: uint64 = (getbit boolean_packing#0 16u)
-                let j#0: any = (setbit 0x00 0u is_true%15#0)
+                let j#0: bytes = (setbit 0x00 0u is_true%15#0)
                 let k#0: bytes = ((extract 3 1) boolean_packing#0)
                 let tmp%13#0: uint64 = (btoi a#0)
                 let tmp%14#0: uint64 = (== tmp%13#0 4u)
@@ -100,19 +100,19 @@ contract test_cases.arc4_types.tuples.Arc4TuplesTypeContract:
                 (assert tmp%25#0) // k is 16
                 let encoded_tuple_buffer%2#2: bytes = (concat a#0 b#0)
                 let is_true%25#0: uint64 = (getbit c#0 0u)
-                let encoded_tuple_buffer%2#3: any = (setbit encoded_tuple_buffer%2#2 9u is_true%25#0)
+                let encoded_tuple_buffer%2#3: bytes = (setbit encoded_tuple_buffer%2#2 9u is_true%25#0)
                 let is_true%26#0: uint64 = (getbit d#0 0u)
-                let encoded_tuple_buffer%2#4: any = (setbit encoded_tuple_buffer%2#3 10u is_true%26#0)
+                let encoded_tuple_buffer%2#4: bytes = (setbit encoded_tuple_buffer%2#3 10u is_true%26#0)
                 let is_true%27#0: uint64 = (getbit e#0 0u)
-                let encoded_tuple_buffer%2#5: any = (setbit encoded_tuple_buffer%2#4 11u is_true%27#0)
+                let encoded_tuple_buffer%2#5: bytes = (setbit encoded_tuple_buffer%2#4 11u is_true%27#0)
                 let is_true%28#0: uint64 = (getbit f#0 0u)
-                let encoded_tuple_buffer%2#6: any = (setbit encoded_tuple_buffer%2#5 12u is_true%28#0)
+                let encoded_tuple_buffer%2#6: bytes = (setbit encoded_tuple_buffer%2#5 12u is_true%28#0)
                 let is_true%29#0: uint64 = (getbit g#0 0u)
-                let encoded_tuple_buffer%2#7: any = (setbit encoded_tuple_buffer%2#6 13u is_true%29#0)
+                let encoded_tuple_buffer%2#7: bytes = (setbit encoded_tuple_buffer%2#6 13u is_true%29#0)
                 let is_true%30#0: uint64 = (getbit h#0 0u)
-                let encoded_tuple_buffer%2#8: any = (setbit encoded_tuple_buffer%2#7 14u is_true%30#0)
+                let encoded_tuple_buffer%2#8: bytes = (setbit encoded_tuple_buffer%2#7 14u is_true%30#0)
                 let is_true%31#0: uint64 = (getbit i#0 0u)
-                let encoded_tuple_buffer%2#9: any = (setbit encoded_tuple_buffer%2#8 15u is_true%31#0)
+                let encoded_tuple_buffer%2#9: bytes = (setbit encoded_tuple_buffer%2#8 15u is_true%31#0)
                 let encoded_tuple_buffer%2#10: bytes = (concat encoded_tuple_buffer%2#9 j#0)
                 let encoded_tuple_buffer%2#11: bytes = (concat encoded_tuple_buffer%2#10 k#0)
                 let tmp%26#0: uint64 = (== boolean_packing#0 encoded_tuple_buffer%2#11)
diff --git a/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_8.ir b/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_8.ir
index 7052c71a5f..ed6f5c6e8c 100644
--- a/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_8.ir
+++ b/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_8.ir
@@ -4,31 +4,31 @@ contract test_cases.arc4_types.tuples.Arc4TuplesTypeContract:
             block@0: // L14
                 let tmp%0#0: uint64 = 1u
                 (assert tmp%0#0)
-                let encoded_tuple_buffer%1#8: any = 0x04bc
-                let encoded_tuple_buffer%1#9: any = (setbit encoded_tuple_buffer%1#8 15u 1u)
+                let encoded_tuple_buffer%1#8: bytes = 0x04bc
+                let encoded_tuple_buffer%1#9: bytes = (setbit encoded_tuple_buffer%1#8 15u 1u)
                 let encoded_tuple_buffer%1#10: bytes = (concat encoded_tuple_buffer%1#9 0x80)
                 let boolean_packing#0: bytes = (concat encoded_tuple_buffer%1#10 0x10)
                 let tmp%10#0: uint64 = (== boolean_packing#0 0x04bd8010)
                 (assert tmp%10#0)
                 let a#0: bytes = ((extract 0 1) boolean_packing#0)
                 let is_true%7#0: uint64 = (getbit boolean_packing#0 8u)
-                let b#0: any = (setbit 0x00 0u is_true%7#0)
+                let b#0: bytes = (setbit 0x00 0u is_true%7#0)
                 let is_true%8#0: uint64 = (getbit boolean_packing#0 9u)
-                let c#0: any = (setbit 0x00 0u is_true%8#0)
+                let c#0: bytes = (setbit 0x00 0u is_true%8#0)
                 let is_true%9#0: uint64 = (getbit boolean_packing#0 10u)
-                let d#0: any = (setbit 0x00 0u is_true%9#0)
+                let d#0: bytes = (setbit 0x00 0u is_true%9#0)
                 let is_true%10#0: uint64 = (getbit boolean_packing#0 11u)
-                let e#0: any = (setbit 0x00 0u is_true%10#0)
+                let e#0: bytes = (setbit 0x00 0u is_true%10#0)
                 let is_true%11#0: uint64 = (getbit boolean_packing#0 12u)
-                let f#0: any = (setbit 0x00 0u is_true%11#0)
+                let f#0: bytes = (setbit 0x00 0u is_true%11#0)
                 let is_true%12#0: uint64 = (getbit boolean_packing#0 13u)
-                let g#0: any = (setbit 0x00 0u is_true%12#0)
+                let g#0: bytes = (setbit 0x00 0u is_true%12#0)
                 let is_true%13#0: uint64 = (getbit boolean_packing#0 14u)
-                let h#0: any = (setbit 0x00 0u is_true%13#0)
+                let h#0: bytes = (setbit 0x00 0u is_true%13#0)
                 let is_true%14#0: uint64 = (getbit boolean_packing#0 15u)
-                let i#0: any = (setbit 0x00 0u is_true%14#0)
+                let i#0: bytes = (setbit 0x00 0u is_true%14#0)
                 let is_true%15#0: uint64 = (getbit boolean_packing#0 16u)
-                let j#0: any = (setbit 0x00 0u is_true%15#0)
+                let j#0: bytes = (setbit 0x00 0u is_true%15#0)
                 let k#0: bytes = ((extract 3 1) boolean_packing#0)
                 let tmp%13#0: uint64 = (btoi a#0)
                 let tmp%14#0: uint64 = (== tmp%13#0 4u)
@@ -98,19 +98,19 @@ contract test_cases.arc4_types.tuples.Arc4TuplesTypeContract:
                 (assert tmp%25#0) // k is 16
                 let encoded_tuple_buffer%2#2: bytes = (concat a#0 b#0)
                 let is_true%25#0: uint64 = (getbit c#0 0u)
-                let encoded_tuple_buffer%2#3: any = (setbit encoded_tuple_buffer%2#2 9u is_true%25#0)
+                let encoded_tuple_buffer%2#3: bytes = (setbit encoded_tuple_buffer%2#2 9u is_true%25#0)
                 let is_true%26#0: uint64 = (getbit d#0 0u)
-                let encoded_tuple_buffer%2#4: any = (setbit encoded_tuple_buffer%2#3 10u is_true%26#0)
+                let encoded_tuple_buffer%2#4: bytes = (setbit encoded_tuple_buffer%2#3 10u is_true%26#0)
                 let is_true%27#0: uint64 = (getbit e#0 0u)
-                let encoded_tuple_buffer%2#5: any = (setbit encoded_tuple_buffer%2#4 11u is_true%27#0)
+                let encoded_tuple_buffer%2#5: bytes = (setbit encoded_tuple_buffer%2#4 11u is_true%27#0)
                 let is_true%28#0: uint64 = (getbit f#0 0u)
-                let encoded_tuple_buffer%2#6: any = (setbit encoded_tuple_buffer%2#5 12u is_true%28#0)
+                let encoded_tuple_buffer%2#6: bytes = (setbit encoded_tuple_buffer%2#5 12u is_true%28#0)
                 let is_true%29#0: uint64 = (getbit g#0 0u)
-                let encoded_tuple_buffer%2#7: any = (setbit encoded_tuple_buffer%2#6 13u is_true%29#0)
+                let encoded_tuple_buffer%2#7: bytes = (setbit encoded_tuple_buffer%2#6 13u is_true%29#0)
                 let is_true%30#0: uint64 = (getbit h#0 0u)
-                let encoded_tuple_buffer%2#8: any = (setbit encoded_tuple_buffer%2#7 14u is_true%30#0)
+                let encoded_tuple_buffer%2#8: bytes = (setbit encoded_tuple_buffer%2#7 14u is_true%30#0)
                 let is_true%31#0: uint64 = (getbit i#0 0u)
-                let encoded_tuple_buffer%2#9: any = (setbit encoded_tuple_buffer%2#8 15u is_true%31#0)
+                let encoded_tuple_buffer%2#9: bytes = (setbit encoded_tuple_buffer%2#8 15u is_true%31#0)
                 let encoded_tuple_buffer%2#10: bytes = (concat encoded_tuple_buffer%2#9 j#0)
                 let encoded_tuple_buffer%2#11: bytes = (concat encoded_tuple_buffer%2#10 k#0)
                 let tmp%26#0: uint64 = (== boolean_packing#0 encoded_tuple_buffer%2#11)
diff --git a/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_9.ir b/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_9.ir
index ea645a8a35..a5039166da 100644
--- a/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_9.ir
+++ b/test_cases/arc4_types/out/Arc4TuplesTypeContract.ssa.opt_pass_9.ir
@@ -2,30 +2,30 @@ contract test_cases.arc4_types.tuples.Arc4TuplesTypeContract:
     program approval:
         subroutine test_cases.arc4_types.tuples.Arc4TuplesTypeContract.approval_program() -> uint64:
             block@0: // L14
-                let encoded_tuple_buffer%1#9: any = 0x04bd
+                let encoded_tuple_buffer%1#9: bytes = 0x04bd
                 let encoded_tuple_buffer%1#10: bytes = (concat encoded_tuple_buffer%1#9 0x80)
                 let boolean_packing#0: bytes = (concat encoded_tuple_buffer%1#10 0x10)
                 let tmp%10#0: uint64 = (== boolean_packing#0 0x04bd8010)
                 (assert tmp%10#0)
                 let a#0: bytes = ((extract 0 1) boolean_packing#0)
                 let is_true%7#0: uint64 = (getbit boolean_packing#0 8u)
-                let b#0: any = (setbit 0x00 0u is_true%7#0)
+                let b#0: bytes = (setbit 0x00 0u is_true%7#0)
                 let is_true%8#0: uint64 = (getbit boolean_packing#0 9u)
-                let c#0: any = (setbit 0x00 0u is_true%8#0)
+                let c#0: bytes = (setbit 0x00 0u is_true%8#0)
                 let is_true%9#0: uint64 = (getbit boolean_packing#0 10u)
-                let d#0: any = (setbit 0x00 0u is_true%9#0)
+                let d#0: bytes = (setbit 0x00 0u is_true%9#0)
                 let is_true%10#0: uint64 = (getbit boolean_packing#0 11u)
-                let e#0: any = (setbit 0x00 0u is_true%10#0)
+                let e#0: bytes = (setbit 0x00 0u is_true%10#0)
                 let is_true%11#0: uint64 = (getbit boolean_packing#0 12u)
-                let f#0: any = (setbit 0x00 0u is_true%11#0)
+                let f#0: bytes = (setbit 0x00 0u is_true%11#0)
                 let is_true%12#0: uint64 = (getbit boolean_packing#0 13u)
-                let g#0: any = (setbit 0x00 0u is_true%12#0)
+                let g#0: bytes = (setbit 0x00 0u is_true%12#0)
                 let is_true%13#0: uint64 = (getbit boolean_packing#0 14u)
-                let h#0: any = (setbit 0x00 0u is_true%13#0)
+                let h#0: bytes = (setbit 0x00 0u is_true%13#0)
                 let is_true%14#0: uint64 = (getbit boolean_packing#0 15u)
-                let i#0: any = (setbit 0x00 0u is_true%14#0)
+                let i#0: bytes = (setbit 0x00 0u is_true%14#0)
                 let is_true%15#0: uint64 = (getbit boolean_packing#0 16u)
-                let j#0: any = (setbit 0x00 0u is_true%15#0)
+                let j#0: bytes = (setbit 0x00 0u is_true%15#0)
                 let k#0: bytes = ((extract 3 1) boolean_packing#0)
                 let tmp%13#0: uint64 = (btoi a#0)
                 let tmp%14#0: uint64 = (== tmp%13#0 4u)
@@ -95,19 +95,19 @@ contract test_cases.arc4_types.tuples.Arc4TuplesTypeContract:
                 (assert tmp%25#0) // k is 16
                 let encoded_tuple_buffer%2#2: bytes = (concat a#0 b#0)
                 let is_true%25#0: uint64 = (getbit c#0 0u)
-                let encoded_tuple_buffer%2#3: any = (setbit encoded_tuple_buffer%2#2 9u is_true%25#0)
+                let encoded_tuple_buffer%2#3: bytes = (setbit encoded_tuple_buffer%2#2 9u is_true%25#0)
                 let is_true%26#0: uint64 = (getbit d#0 0u)
-                let encoded_tuple_buffer%2#4: any = (setbit encoded_tuple_buffer%2#3 10u is_true%26#0)
+                let encoded_tuple_buffer%2#4: bytes = (setbit encoded_tuple_buffer%2#3 10u is_true%26#0)
                 let is_true%27#0: uint64 = (getbit e#0 0u)
-                let encoded_tuple_buffer%2#5: any = (setbit encoded_tuple_buffer%2#4 11u is_true%27#0)
+                let encoded_tuple_buffer%2#5: bytes = (setbit encoded_tuple_buffer%2#4 11u is_true%27#0)
                 let is_true%28#0: uint64 = (getbit f#0 0u)
-                let encoded_tuple_buffer%2#6: any = (setbit encoded_tuple_buffer%2#5 12u is_true%28#0)
+                let encoded_tuple_buffer%2#6: bytes = (setbit encoded_tuple_buffer%2#5 12u is_true%28#0)
                 let is_true%29#0: uint64 = (getbit g#0 0u)
-                let encoded_tuple_buffer%2#7: any = (setbit encoded_tuple_buffer%2#6 13u is_true%29#0)
+                let encoded_tuple_buffer%2#7: bytes = (setbit encoded_tuple_buffer%2#6 13u is_true%29#0)
                 let is_true%30#0: uint64 = (getbit h#0 0u)
-                let encoded_tuple_buffer%2#8: any = (setbit encoded_tuple_buffer%2#7 14u is_true%30#0)
+                let encoded_tuple_buffer%2#8: bytes = (setbit encoded_tuple_buffer%2#7 14u is_true%30#0)
                 let is_true%31#0: uint64 = (getbit i#0 0u)
-                let encoded_tuple_buffer%2#9: any = (setbit encoded_tuple_buffer%2#8 15u is_true%31#0)
+                let encoded_tuple_buffer%2#9: bytes = (setbit encoded_tuple_buffer%2#8 15u is_true%31#0)
                 let encoded_tuple_buffer%2#10: bytes = (concat encoded_tuple_buffer%2#9 j#0)
                 let encoded_tuple_buffer%2#11: bytes = (concat encoded_tuple_buffer%2#10 k#0)
                 let tmp%26#0: uint64 = (== boolean_packing#0 encoded_tuple_buffer%2#11)
diff --git a/test_cases/arc4_types/out_O2/Arc4BoolTypeContract.destructured.ir b/test_cases/arc4_types/out_O2/Arc4BoolTypeContract.destructured.ir
index 8428fd8dfc..1554ca7754 100644
--- a/test_cases/arc4_types/out_O2/Arc4BoolTypeContract.destructured.ir
+++ b/test_cases/arc4_types/out_O2/Arc4BoolTypeContract.destructured.ir
@@ -12,10 +12,10 @@ contract test_cases.arc4_types.bool.Arc4BoolTypeContract:
                 let tmp%1#0: uint64 = (getbit false#0 0u)
                 let tmp%2#0: uint64 = (! tmp%1#0)
                 (assert tmp%2#0)
-                let tmp%4#0: any = (setbit 0x00 0u tmp%0#0)
+                let tmp%4#0: bytes = (setbit 0x00 0u tmp%0#0)
                 let tmp%5#0: uint64 = (== true#0 tmp%4#0)
                 (assert tmp%5#0)
-                let tmp%7#0: any = (setbit 0x00 0u tmp%1#0)
+                let tmp%7#0: bytes = (setbit 0x00 0u tmp%1#0)
                 let tmp%8#0: uint64 = (== false#0 tmp%7#0)
                 (assert tmp%8#0)
                 return 
diff --git a/test_cases/arc4_types/out_O2/Arc4StructsTypeContract.destructured.ir b/test_cases/arc4_types/out_O2/Arc4StructsTypeContract.destructured.ir
index 06b0f583ce..7adef55597 100644
--- a/test_cases/arc4_types/out_O2/Arc4StructsTypeContract.destructured.ir
+++ b/test_cases/arc4_types/out_O2/Arc4StructsTypeContract.destructured.ir
@@ -43,20 +43,20 @@ contract test_cases.arc4_types.structs.Arc4StructsTypeContract:
         subroutine test_cases.arc4_types.structs.check(flags: bytes) -> bytes:
             block@0: // L54
                 let is_true%0#0: uint64 = (getbit flags#0 0u)
-                let tmp%0#0: any = (setbit 0x00 0u is_true%0#0)
+                let tmp%0#0: bytes = (setbit 0x00 0u is_true%0#0)
                 let tmp%1#0: uint64 = (getbit tmp%0#0 0u)
                 (assert tmp%1#0)
                 let is_true%1#0: uint64 = (getbit flags#0 1u)
-                let tmp%2#0: any = (setbit 0x00 0u is_true%1#0)
+                let tmp%2#0: bytes = (setbit 0x00 0u is_true%1#0)
                 let tmp%3#0: uint64 = (getbit tmp%2#0 0u)
                 let tmp%4#0: uint64 = (! tmp%3#0)
                 (assert tmp%4#0)
                 let is_true%2#0: uint64 = (getbit flags#0 2u)
-                let tmp%5#0: any = (setbit 0x00 0u is_true%2#0)
+                let tmp%5#0: bytes = (setbit 0x00 0u is_true%2#0)
                 let tmp%6#0: uint64 = (getbit tmp%5#0 0u)
                 (assert tmp%6#0)
                 let is_true%3#0: uint64 = (getbit flags#0 3u)
-                let tmp%7#0: any = (setbit 0x00 0u is_true%3#0)
+                let tmp%7#0: bytes = (setbit 0x00 0u is_true%3#0)
                 let tmp%8#0: uint64 = (getbit tmp%7#0 0u)
                 let tmp%9#0: uint64 = (! tmp%8#0)
                 (assert tmp%9#0)
@@ -71,7 +71,7 @@ contract test_cases.arc4_types.structs.Arc4StructsTypeContract:
                 (assert tmp%3#0)
                 let tmp%4#0: bytes = ((extract 16 1) vector_flags#0)
                 let is_true%0#0: uint64 = (getbit tmp%4#0 2u)
-                let tmp%5#0: any = (setbit 0x00 0u is_true%0#0)
+                let tmp%5#0: bytes = (setbit 0x00 0u is_true%0#0)
                 let tmp%6#0: uint64 = (getbit tmp%5#0 0u)
                 (assert tmp%6#0)
                 return vector_flags#0
diff --git a/test_cases/arc4_types/out_unoptimized/Arc4BoolEvalContract.destructured.ir b/test_cases/arc4_types/out_unoptimized/Arc4BoolEvalContract.destructured.ir
index dc21289083..79fc6adcef 100644
--- a/test_cases/arc4_types/out_unoptimized/Arc4BoolEvalContract.destructured.ir
+++ b/test_cases/arc4_types/out_unoptimized/Arc4BoolEvalContract.destructured.ir
@@ -2,10 +2,10 @@ contract test_cases.arc4_types.bool_eval.Arc4BoolEvalContract:
     program approval:
         subroutine test_cases.arc4_types.bool_eval.Arc4BoolEvalContract.approval_program() -> uint64:
             block@0: // L12
-                let tmp%0#0: any = (setbit 0x00 0u 0u)
+                let tmp%0#0: bytes = (setbit 0x00 0u 0u)
                 let tmp%1#0: uint64 = (== tmp%0#0 0x00)
                 (assert tmp%1#0)
-                let tmp%2#0: any = (setbit 0x00 0u 1u)
+                let tmp%2#0: bytes = (setbit 0x00 0u 1u)
                 let tmp%3#0: uint64 = (!= tmp%2#0 0x00)
                 (assert tmp%3#0)
                 let tmp%4#0: uint64 = (== "\x00\x00" 0x0000)
@@ -79,8 +79,8 @@ contract test_cases.arc4_types.bool_eval.Arc4BoolEvalContract:
                 let dynamic_arr#0: bytes = concat_result%0#0
                 let tmp%35#0: uint64 = (!= dynamic_arr#0 0x0000)
                 (assert tmp%35#0)
-                let tmp%36#0: any = (setbit 0x00 0u 0u)
-                let tmp%37#0: any = (setbit 0x00 0u 0u)
+                let tmp%36#0: bytes = (setbit 0x00 0u 0u)
+                let tmp%37#0: bytes = (setbit 0x00 0u 0u)
                 let tmp%38#0: uint64 = (== tmp%36#0 tmp%37#0)
                 (assert tmp%38#0)
                 return 1u
diff --git a/test_cases/arc4_types/out_unoptimized/Arc4BoolTypeContract.destructured.ir b/test_cases/arc4_types/out_unoptimized/Arc4BoolTypeContract.destructured.ir
index 1fb9c5e9a2..1e34e45890 100644
--- a/test_cases/arc4_types/out_unoptimized/Arc4BoolTypeContract.destructured.ir
+++ b/test_cases/arc4_types/out_unoptimized/Arc4BoolTypeContract.destructured.ir
@@ -2,21 +2,21 @@ contract test_cases.arc4_types.bool.Arc4BoolTypeContract:
     program approval:
         subroutine test_cases.arc4_types.bool.Arc4BoolTypeContract.approval_program() -> uint64:
             block@0: // L12
-                let tmp%0#0: any = (setbit 0x00 0u 1u)
-                let tmp%1#0: any = (setbit 0x00 0u 0u)
+                let tmp%0#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%1#0: bytes = (setbit 0x00 0u 0u)
                 test_cases.arc4_types.bool.Arc4BoolTypeContract.test_stuff(tmp%0#0, tmp%1#0)
-                let tmp%2#0: any = (setbit 0x00 0u 1u)
-                let tmp%3#0: any = (setbit 0x00 0u 1u)
-                let tmp%4#0: any = (setbit 0x00 0u 1u)
-                let tmp%5#0: any = (setbit 0x00 0u 1u)
-                let tmp%6#0: any = (setbit 0x00 0u 1u)
-                let tmp%7#0: any = (setbit 0x00 0u 1u)
-                let tmp%8#0: any = (setbit 0x00 0u 1u)
-                let tmp%9#0: any = (setbit 0x00 0u 1u)
-                let tmp%10#0: any = (setbit 0x00 0u 1u)
-                let tmp%11#0: any = (setbit 0x00 0u 1u)
-                let tmp%12#0: any = (setbit 0x00 0u 1u)
-                let tmp%13#0: any = (setbit 0x00 0u 1u)
+                let tmp%2#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%3#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%4#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%5#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%6#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%7#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%8#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%9#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%10#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%11#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%12#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%13#0: bytes = (setbit 0x00 0u 1u)
                 let array_data%0#0: bytes = 0x
                 let array_data%0#0: bytes = (concat array_data%0#0 tmp%2#0)
                 let is_true%0#0: uint64 = (getbit tmp%3#0 0u)
@@ -40,13 +40,13 @@ contract test_cases.arc4_types.bool.Arc4BoolTypeContract:
                 let array_data%0#0: bytes = (setbit array_data%0#0 10u is_true%8#0)
                 let is_true%9#0: uint64 = (getbit tmp%13#0 0u)
                 let array_data%0#0: bytes = (setbit array_data%0#0 11u is_true%9#0)
-                let static_boolean_array#0: any = array_data%0#0
+                let static_boolean_array#0: bytes = array_data%0#0
                 let tmp%14#0: uint64 = (== static_boolean_array#0 0xfff0)
                 (assert tmp%14#0)
                 let item_index%0#0: uint64 = (* 0u 1u)
                 let is_true%10#0: uint64 = (getbit static_boolean_array#0 item_index%0#0)
-                let tmp%15#0: any = (setbit 0x00 0u is_true%10#0)
-                let tmp%16#0: any = (setbit 0x00 0u 1u)
+                let tmp%15#0: bytes = (setbit 0x00 0u is_true%10#0)
+                let tmp%16#0: bytes = (setbit 0x00 0u 1u)
                 let tmp%17#0: uint64 = (== tmp%15#0 tmp%16#0)
                 (assert tmp%17#0) // Single boolean can be unpacked
                 let tmp%18#0: uint64 = (- 12u 1u)
@@ -55,20 +55,20 @@ contract test_cases.arc4_types.bool.Arc4BoolTypeContract:
                 (assert index_is_in_bounds%0#0) // Index access is out of bounds
                 let item_index%1#0: uint64 = (* tmp%18#0 1u)
                 let is_true%11#0: uint64 = (getbit static_boolean_array#0 item_index%1#0)
-                let tmp%19#0: any = (setbit 0x00 0u is_true%11#0)
-                let tmp%20#0: any = (setbit 0x00 0u 1u)
+                let tmp%19#0: bytes = (setbit 0x00 0u is_true%11#0)
+                let tmp%20#0: bytes = (setbit 0x00 0u 1u)
                 let tmp%21#0: uint64 = (== tmp%19#0 tmp%20#0)
                 (assert tmp%21#0) // Single boolean can be unpacked
-                let tmp%22#0: any = (setbit 0x00 0u 1u)
-                let tmp%23#0: any = (setbit 0x00 0u 0u)
-                let tmp%24#0: any = (setbit 0x00 0u 1u)
+                let tmp%22#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%23#0: bytes = (setbit 0x00 0u 0u)
+                let tmp%24#0: bytes = (setbit 0x00 0u 1u)
                 let array_data%1#0: bytes = 0x0003
                 let array_data%1#0: bytes = (concat array_data%1#0 tmp%22#0)
                 let is_true%12#0: uint64 = (getbit tmp%23#0 0u)
                 let array_data%1#0: bytes = (setbit array_data%1#0 17u is_true%12#0)
                 let is_true%13#0: uint64 = (getbit tmp%24#0 0u)
                 let array_data%1#0: bytes = (setbit array_data%1#0 18u is_true%13#0)
-                let dynamic_boolean_array#0: any = array_data%1#0
+                let dynamic_boolean_array#0: bytes = array_data%1#0
                 let tmp%25#0: uint64 = (== dynamic_boolean_array#0 0x0003a0)
                 (assert tmp%25#0)
                 return 1u
@@ -81,11 +81,11 @@ contract test_cases.arc4_types.bool.Arc4BoolTypeContract:
                 let tmp%2#0: uint64 = (! tmp%1#0)
                 (assert tmp%2#0)
                 let tmp%3#0: uint64 = (getbit true#0 0u)
-                let tmp%4#0: any = (setbit 0x00 0u tmp%3#0)
+                let tmp%4#0: bytes = (setbit 0x00 0u tmp%3#0)
                 let tmp%5#0: uint64 = (== true#0 tmp%4#0)
                 (assert tmp%5#0)
                 let tmp%6#0: uint64 = (getbit false#0 0u)
-                let tmp%7#0: any = (setbit 0x00 0u tmp%6#0)
+                let tmp%7#0: bytes = (setbit 0x00 0u tmp%6#0)
                 let tmp%8#0: uint64 = (== false#0 tmp%7#0)
                 (assert tmp%8#0)
                 return 
diff --git a/test_cases/arc4_types/out_unoptimized/Arc4MutableParamsContract.destructured.ir b/test_cases/arc4_types/out_unoptimized/Arc4MutableParamsContract.destructured.ir
index 288dfb6575..34f863a58d 100644
--- a/test_cases/arc4_types/out_unoptimized/Arc4MutableParamsContract.destructured.ir
+++ b/test_cases/arc4_types/out_unoptimized/Arc4MutableParamsContract.destructured.ir
@@ -13,7 +13,7 @@ contract test_cases.arc4_types.mutable_params.Arc4MutableParamsContract:
                 let array_data%0#0: bytes = (concat array_data%0#0 0x03)
                 let array_data%0#0: bytes = (concat array_data%0#0 0x04)
                 let my_array#0: bytes = array_data%0#0
-                let tmp%0#0: any = (setbit 0x00 0u 1u)
+                let tmp%0#0: bytes = (setbit 0x00 0u 1u)
                 let current_tail_offset%0#0: uint64 = 6u
                 let encoded_tuple_buffer%0#0: bytes = 0x
                 let encoded_tuple_buffer%0#0: bytes = (concat encoded_tuple_buffer%0#0 tmp%0#0)
diff --git a/test_cases/arc4_types/out_unoptimized/Arc4MutationContract.destructured.ir b/test_cases/arc4_types/out_unoptimized/Arc4MutationContract.destructured.ir
index 447204f7cf..ad62a46676 100644
--- a/test_cases/arc4_types/out_unoptimized/Arc4MutationContract.destructured.ir
+++ b/test_cases/arc4_types/out_unoptimized/Arc4MutationContract.destructured.ir
@@ -90,28 +90,28 @@ contract test_cases.arc4_types.mutation.Arc4MutationContract:
         
         subroutine test_cases.arc4_types.mutation.Arc4MutationContract.dynamic_array_bool() -> void:
             block@0: // L166
-                let tmp%0#0: any = (setbit 0x00 0u 1u)
-                let tmp%1#0: any = (setbit 0x00 0u 0u)
+                let tmp%0#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%1#0: bytes = (setbit 0x00 0u 0u)
                 let array_data%0#0: bytes = 0x0002
                 let array_data%0#0: bytes = (concat array_data%0#0 tmp%0#0)
                 let is_true%0#0: uint64 = (getbit tmp%1#0 0u)
                 let array_data%0#0: bytes = (setbit array_data%0#0 17u is_true%0#0)
-                let dynamic_bool_array#0: any = array_data%0#0
+                let dynamic_bool_array#0: bytes = array_data%0#0
                 let tmp%2#0: uint64 = (== dynamic_bool_array#0 0x000280)
                 (assert tmp%2#0)
-                let tmp%3#0: any = (setbit 0x00 0u 1u)
-                let tmp%4#0: any = (setbit 0x00 0u 0u)
+                let tmp%3#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%4#0: bytes = (setbit 0x00 0u 0u)
                 let data%0#0: bytes = 0x
                 let data%0#0: bytes = (concat data%0#0 tmp%3#0)
                 let data%0#0: bytes = (concat data%0#0 tmp%4#0)
                 let concat_result%0#0: bytes = algopy_lib_arc4.dynamic_array_concat_bits(dynamic_bool_array#0, data%0#0, 2u, 0u)
-                let dynamic_bool_array#0: any = concat_result%0#0
+                let dynamic_bool_array#0: bytes = concat_result%0#0
                 let tmp%5#0: uint64 = (== dynamic_bool_array#0 0x0004a0)
                 (assert tmp%5#0)
-                let tmp%6#0: any = (setbit 0x00 0u 1u)
-                let tmp%7#0: any = (setbit 0x00 0u 0u)
-                let tmp%8#0: any = (setbit 0x00 0u 1u)
-                let tmp%9#0: any = (setbit 0x00 0u 0u)
+                let tmp%6#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%7#0: bytes = (setbit 0x00 0u 0u)
+                let tmp%8#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%9#0: bytes = (setbit 0x00 0u 0u)
                 let array_data%1#0: bytes = 0x0004
                 let array_data%1#0: bytes = (concat array_data%1#0 tmp%6#0)
                 let is_true%1#0: uint64 = (getbit tmp%7#0 0u)
@@ -125,15 +125,15 @@ contract test_cases.arc4_types.mutation.Arc4MutationContract:
                 let array_length%0#0: uint64 = (extract_uint16 dynamic_bool_array#0 0u)
                 let data%1#0: bytes = ((extract 2 0) dynamic_bool_array#0)
                 let concat_result%1#0: bytes = algopy_lib_arc4.dynamic_array_concat_bits(dynamic_bool_array#0, data%1#0, array_length%0#0, 1u)
-                let dynamic_bool_array#0: any = concat_result%1#0
-                let tmp%11#0: any = (setbit 0x00 0u 1u)
-                let tmp%12#0: any = (setbit 0x00 0u 0u)
-                let tmp%13#0: any = (setbit 0x00 0u 1u)
-                let tmp%14#0: any = (setbit 0x00 0u 0u)
-                let tmp%15#0: any = (setbit 0x00 0u 1u)
-                let tmp%16#0: any = (setbit 0x00 0u 0u)
-                let tmp%17#0: any = (setbit 0x00 0u 1u)
-                let tmp%18#0: any = (setbit 0x00 0u 0u)
+                let dynamic_bool_array#0: bytes = concat_result%1#0
+                let tmp%11#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%12#0: bytes = (setbit 0x00 0u 0u)
+                let tmp%13#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%14#0: bytes = (setbit 0x00 0u 0u)
+                let tmp%15#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%16#0: bytes = (setbit 0x00 0u 0u)
+                let tmp%17#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%18#0: bytes = (setbit 0x00 0u 0u)
                 let array_data%2#0: bytes = 0x0008
                 let array_data%2#0: bytes = (concat array_data%2#0 tmp%11#0)
                 let is_true%4#0: uint64 = (getbit tmp%12#0 0u)
@@ -152,20 +152,20 @@ contract test_cases.arc4_types.mutation.Arc4MutationContract:
                 let array_data%2#0: bytes = (setbit array_data%2#0 23u is_true%10#0)
                 let tmp%19#0: uint64 = (== dynamic_bool_array#0 array_data%2#0)
                 (assert tmp%19#0)
-                let tmp%20#0: any = (setbit 0x00 0u 1u)
+                let tmp%20#0: bytes = (setbit 0x00 0u 1u)
                 let data%2#0: bytes = 0x
                 let data%2#0: bytes = (concat data%2#0 tmp%20#0)
                 let concat_result%2#0: bytes = algopy_lib_arc4.dynamic_array_concat_bits(dynamic_bool_array#0, data%2#0, 1u, 0u)
-                let dynamic_bool_array#0: any = concat_result%2#0
-                let tmp%21#0: any = (setbit 0x00 0u 1u)
-                let tmp%22#0: any = (setbit 0x00 0u 0u)
-                let tmp%23#0: any = (setbit 0x00 0u 1u)
-                let tmp%24#0: any = (setbit 0x00 0u 0u)
-                let tmp%25#0: any = (setbit 0x00 0u 1u)
-                let tmp%26#0: any = (setbit 0x00 0u 0u)
-                let tmp%27#0: any = (setbit 0x00 0u 1u)
-                let tmp%28#0: any = (setbit 0x00 0u 0u)
-                let tmp%29#0: any = (setbit 0x00 0u 1u)
+                let dynamic_bool_array#0: bytes = concat_result%2#0
+                let tmp%21#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%22#0: bytes = (setbit 0x00 0u 0u)
+                let tmp%23#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%24#0: bytes = (setbit 0x00 0u 0u)
+                let tmp%25#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%26#0: bytes = (setbit 0x00 0u 0u)
+                let tmp%27#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%28#0: bytes = (setbit 0x00 0u 0u)
+                let tmp%29#0: bytes = (setbit 0x00 0u 1u)
                 let array_data%3#0: bytes = 0x0009
                 let array_data%3#0: bytes = (concat array_data%3#0 tmp%21#0)
                 let is_true%11#0: uint64 = (getbit tmp%22#0 0u)
@@ -186,22 +186,22 @@ contract test_cases.arc4_types.mutation.Arc4MutationContract:
                 let tmp%30#0: uint64 = (== dynamic_bool_array#0 array_data%3#0)
                 (assert tmp%30#0)
                 let (popped%0#1: bytes, data%3#1: bytes) = algopy_lib_arc4.dynamic_array_pop_bit(dynamic_bool_array#0)
-                let dynamic_bool_array#0: any = data%3#1
-                let tmp%31#0: any = (setbit 0x00 0u 1u)
+                let dynamic_bool_array#0: bytes = data%3#1
+                let tmp%31#0: bytes = (setbit 0x00 0u 1u)
                 let tmp%32#0: uint64 = (== popped%0#1 tmp%31#0)
                 (assert tmp%32#0)
                 let (popped%1#1: bytes, data%4#1: bytes) = algopy_lib_arc4.dynamic_array_pop_bit(dynamic_bool_array#0)
-                let dynamic_bool_array#0: any = data%4#1
-                let tmp%33#0: any = (setbit 0x00 0u 0u)
+                let dynamic_bool_array#0: bytes = data%4#1
+                let tmp%33#0: bytes = (setbit 0x00 0u 0u)
                 let tmp%34#0: uint64 = (== popped%1#1 tmp%33#0)
                 (assert tmp%34#0)
-                let tmp%35#0: any = (setbit 0x00 0u 1u)
-                let tmp%36#0: any = (setbit 0x00 0u 0u)
-                let tmp%37#0: any = (setbit 0x00 0u 1u)
-                let tmp%38#0: any = (setbit 0x00 0u 0u)
-                let tmp%39#0: any = (setbit 0x00 0u 1u)
-                let tmp%40#0: any = (setbit 0x00 0u 0u)
-                let tmp%41#0: any = (setbit 0x00 0u 1u)
+                let tmp%35#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%36#0: bytes = (setbit 0x00 0u 0u)
+                let tmp%37#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%38#0: bytes = (setbit 0x00 0u 0u)
+                let tmp%39#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%40#0: bytes = (setbit 0x00 0u 0u)
+                let tmp%41#0: bytes = (setbit 0x00 0u 1u)
                 let array_data%4#0: bytes = 0x0007
                 let array_data%4#0: bytes = (concat array_data%4#0 tmp%35#0)
                 let is_true%18#0: uint64 = (getbit tmp%36#0 0u)
@@ -578,40 +578,40 @@ contract test_cases.arc4_types.mutation.Arc4MutationContract:
                 let static_uint8_array#0: bytes = updated_target%1#0
                 let tmp%1#0: uint64 = (== static_uint8_array#0 0x01ff)
                 (assert tmp%1#0)
-                let tmp%2#0: any = (setbit 0x00 0u 1u)
-                let tmp%3#0: any = (setbit 0x00 0u 0u)
+                let tmp%2#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%3#0: bytes = (setbit 0x00 0u 0u)
                 let array_data%2#0: bytes = 0x0002
                 let array_data%2#0: bytes = (concat array_data%2#0 tmp%2#0)
                 let is_true%0#0: uint64 = (getbit tmp%3#0 0u)
                 let array_data%2#0: bytes = (setbit array_data%2#0 17u is_true%0#0)
-                let dynamic_bool_array#0: any = array_data%2#0
-                let assigned_value%2#0: any = (setbit 0x00 0u 0u)
+                let dynamic_bool_array#0: bytes = array_data%2#0
+                let assigned_value%2#0: bytes = (setbit 0x00 0u 0u)
                 let array_length%1#0: uint64 = (extract_uint16 dynamic_bool_array#0 0u)
                 let index_is_in_bounds%1#0: uint64 = (< 0u array_length%1#0)
                 (assert index_is_in_bounds%1#0) // Index access is out of bounds
                 let is_true%1#0: uint64 = (getbit assigned_value%2#0 0u)
-                let updated_target%2#0: any = (setbit dynamic_bool_array#0 16u is_true%1#0)
-                let dynamic_bool_array#0: any = updated_target%2#0
+                let updated_target%2#0: bytes = (setbit dynamic_bool_array#0 16u is_true%1#0)
+                let dynamic_bool_array#0: bytes = updated_target%2#0
                 let tmp%4#0: uint64 = (== dynamic_bool_array#0 0x000200)
                 (assert tmp%4#0)
-                let tmp%5#0: any = (setbit 0x00 0u 1u)
-                let tmp%6#0: any = (setbit 0x00 0u 1u)
+                let tmp%5#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%6#0: bytes = (setbit 0x00 0u 1u)
                 let array_data%3#0: bytes = 0x
                 let array_data%3#0: bytes = (concat array_data%3#0 tmp%5#0)
                 let is_true%2#0: uint64 = (getbit tmp%6#0 0u)
                 let array_data%3#0: bytes = (setbit array_data%3#0 1u is_true%2#0)
-                let static_bool_array#0: any = array_data%3#0
-                let assigned_value%3#0: any = (setbit 0x00 0u 0u)
+                let static_bool_array#0: bytes = array_data%3#0
+                let assigned_value%3#0: bytes = (setbit 0x00 0u 0u)
                 let is_true%3#0: uint64 = (getbit assigned_value%3#0 0u)
-                let updated_target%3#0: any = (setbit static_bool_array#0 1u is_true%3#0)
-                let static_bool_array#0: any = updated_target%3#0
+                let updated_target%3#0: bytes = (setbit static_bool_array#0 1u is_true%3#0)
+                let static_bool_array#0: bytes = updated_target%3#0
                 let tmp%7#0: uint64 = (== static_bool_array#0 0x80)
                 (assert tmp%7#0)
                 return 
         
         subroutine test_cases.arc4_types.mutation.Arc4MutationContract.struct_assign() -> void:
             block@0: // L116
-                let tmp%0#0: any = (setbit 0x00 0u 1u)
+                let tmp%0#0: bytes = (setbit 0x00 0u 1u)
                 let current_tail_offset%0#0: uint64 = 6u
                 let encoded_tuple_buffer%0#0: bytes = 0x
                 let encoded_tuple_buffer%0#0: bytes = (concat encoded_tuple_buffer%0#0 tmp%0#0)
@@ -627,14 +627,14 @@ contract test_cases.arc4_types.mutation.Arc4MutationContract:
                 let encoded_tuple_buffer%0#0: bytes = (concat encoded_tuple_buffer%0#0 "\x00\x05Happy")
                 let encoded_tuple_buffer%0#0: bytes = (concat encoded_tuple_buffer%0#0 "\x00\x04Days")
                 let test_struct#0: bytes = encoded_tuple_buffer%0#0
-                let assigned_value%0#0: any = (setbit 0x00 0u 0u)
+                let assigned_value%0#0: bytes = (setbit 0x00 0u 0u)
                 let is_true%0#0: uint64 = (getbit assigned_value%0#0 0u)
-                let updated_data%0#0: any = (setbit test_struct#0 0u is_true%0#0)
+                let updated_data%0#0: bytes = (setbit test_struct#0 0u is_true%0#0)
                 let test_struct#0: bytes = updated_data%0#0
                 let assigned_value%1#0: bytes = 0x0c
                 let updated_data%1#0: bytes = ((replace2 1) test_struct#0 assigned_value%1#0)
                 let test_struct#0: bytes = updated_data%1#0
-                let tmp%1#0: any = (setbit 0x00 0u 0u)
+                let tmp%1#0: bytes = (setbit 0x00 0u 0u)
                 let current_tail_offset%1#0: uint64 = 6u
                 let encoded_tuple_buffer%1#0: bytes = 0x
                 let encoded_tuple_buffer%1#0: bytes = (concat encoded_tuple_buffer%1#0 tmp%1#0)
@@ -670,7 +670,7 @@ contract test_cases.arc4_types.mutation.Arc4MutationContract:
                 let data_up_to_item%1#0: bytes = (extract3 test_struct#0 0u item_offset%1#0)
                 let updated_data%3#0: bytes = (concat data_up_to_item%1#0 assigned_value%3#0)
                 let test_struct#0: bytes = updated_data%3#0
-                let tmp%3#0: any = (setbit 0x00 0u 0u)
+                let tmp%3#0: bytes = (setbit 0x00 0u 0u)
                 let current_tail_offset%2#0: uint64 = 6u
                 let encoded_tuple_buffer%2#0: bytes = 0x
                 let encoded_tuple_buffer%2#0: bytes = (concat encoded_tuple_buffer%2#0 tmp%3#0)
diff --git a/test_cases/arc4_types/out_unoptimized/Arc4StructsFromAnotherModule.destructured.ir b/test_cases/arc4_types/out_unoptimized/Arc4StructsFromAnotherModule.destructured.ir
index 4fbea9e1ff..6386aa736f 100644
--- a/test_cases/arc4_types/out_unoptimized/Arc4StructsFromAnotherModule.destructured.ir
+++ b/test_cases/arc4_types/out_unoptimized/Arc4StructsFromAnotherModule.destructured.ir
@@ -2,10 +2,10 @@ contract test_cases.arc4_types.structs2.Arc4StructsFromAnotherModule:
     program approval:
         subroutine test_cases.arc4_types.structs2.Arc4StructsFromAnotherModule.approval_program() -> uint64:
             block@0: // L7
-                let tmp%0#0: any = (setbit 0x00 0u 1u)
-                let tmp%1#0: any = (setbit 0x00 0u 0u)
-                let tmp%2#0: any = (setbit 0x00 0u 1u)
-                let tmp%3#0: any = (setbit 0x00 0u 0u)
+                let tmp%0#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%1#0: bytes = (setbit 0x00 0u 0u)
+                let tmp%2#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%3#0: bytes = (setbit 0x00 0u 0u)
                 let encoded_tuple_buffer%0#0: bytes = 0x
                 let encoded_tuple_buffer%0#0: bytes = (concat encoded_tuple_buffer%0#0 tmp%0#0)
                 let is_true%0#0: uint64 = (getbit tmp%1#0 0u)
@@ -14,7 +14,7 @@ contract test_cases.arc4_types.structs2.Arc4StructsFromAnotherModule:
                 let encoded_tuple_buffer%0#0: bytes = (setbit encoded_tuple_buffer%0#0 2u is_true%1#0)
                 let is_true%2#0: uint64 = (getbit tmp%3#0 0u)
                 let encoded_tuple_buffer%0#0: bytes = (setbit encoded_tuple_buffer%0#0 3u is_true%2#0)
-                let flags#0: any = encoded_tuple_buffer%0#0
+                let flags#0: bytes = encoded_tuple_buffer%0#0
                 (log flags#0)
                 return 1u
     
diff --git a/test_cases/arc4_types/out_unoptimized/Arc4StructsTypeContract.destructured.ir b/test_cases/arc4_types/out_unoptimized/Arc4StructsTypeContract.destructured.ir
index 64f5df7adc..52c09597cc 100644
--- a/test_cases/arc4_types/out_unoptimized/Arc4StructsTypeContract.destructured.ir
+++ b/test_cases/arc4_types/out_unoptimized/Arc4StructsTypeContract.destructured.ir
@@ -32,10 +32,10 @@ contract test_cases.arc4_types.structs.Arc4StructsTypeContract:
                 let tuple_index%0#3: uint64 = (+ tuple_index%0#0 1u)
                 goto_nth [block@2][tuple_index%0#0] else goto block@5
             block@5: // after_for_L30
-                let tmp%2#0: any = (setbit 0x00 0u 1u)
-                let tmp%3#0: any = (setbit 0x00 0u 0u)
-                let tmp%4#0: any = (setbit 0x00 0u 1u)
-                let tmp%5#0: any = (setbit 0x00 0u 0u)
+                let tmp%2#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%3#0: bytes = (setbit 0x00 0u 0u)
+                let tmp%4#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%5#0: bytes = (setbit 0x00 0u 0u)
                 let encoded_tuple_buffer%2#0: bytes = 0x
                 let encoded_tuple_buffer%2#0: bytes = (concat encoded_tuple_buffer%2#0 tmp%2#0)
                 let is_true%0#0: uint64 = (getbit tmp%3#0 0u)
@@ -44,14 +44,14 @@ contract test_cases.arc4_types.structs.Arc4StructsTypeContract:
                 let encoded_tuple_buffer%2#0: bytes = (setbit encoded_tuple_buffer%2#0 2u is_true%1#0)
                 let is_true%2#0: uint64 = (getbit tmp%5#0 0u)
                 let encoded_tuple_buffer%2#0: bytes = (setbit encoded_tuple_buffer%2#0 3u is_true%2#0)
-                let flags#0: any = encoded_tuple_buffer%2#0
-                let copy%2#0: any = flags#0
+                let flags#0: bytes = encoded_tuple_buffer%2#0
+                let copy%2#0: bytes = flags#0
                 let check%0#0: bytes = test_cases.arc4_types.structs.check(copy%2#0)
                 (log flags#0)
                 let tmp%6#0: uint64 = (== coord_1#0 coord_1#0)
                 (assert tmp%6#0)
                 let copy%3#0: bytes = coord_1#0
-                let copy%4#0: any = flags#0
+                let copy%4#0: bytes = flags#0
                 let encoded_tuple_buffer%3#0: bytes = 0x
                 let encoded_tuple_buffer%3#0: bytes = (concat encoded_tuple_buffer%3#0 copy%3#0)
                 let encoded_tuple_buffer%3#0: bytes = (concat encoded_tuple_buffer%3#0 copy%4#0)
@@ -82,20 +82,20 @@ contract test_cases.arc4_types.structs.Arc4StructsTypeContract:
         subroutine test_cases.arc4_types.structs.check(flags: bytes) -> bytes:
             block@0: // L54
                 let is_true%0#0: uint64 = (getbit flags#0 0u)
-                let tmp%0#0: any = (setbit 0x00 0u is_true%0#0)
+                let tmp%0#0: bytes = (setbit 0x00 0u is_true%0#0)
                 let tmp%1#0: uint64 = (getbit tmp%0#0 0u)
                 (assert tmp%1#0)
                 let is_true%1#0: uint64 = (getbit flags#0 1u)
-                let tmp%2#0: any = (setbit 0x00 0u is_true%1#0)
+                let tmp%2#0: bytes = (setbit 0x00 0u is_true%1#0)
                 let tmp%3#0: uint64 = (getbit tmp%2#0 0u)
                 let tmp%4#0: uint64 = (! tmp%3#0)
                 (assert tmp%4#0)
                 let is_true%2#0: uint64 = (getbit flags#0 2u)
-                let tmp%5#0: any = (setbit 0x00 0u is_true%2#0)
+                let tmp%5#0: bytes = (setbit 0x00 0u is_true%2#0)
                 let tmp%6#0: uint64 = (getbit tmp%5#0 0u)
                 (assert tmp%6#0)
                 let is_true%3#0: uint64 = (getbit flags#0 3u)
-                let tmp%7#0: any = (setbit 0x00 0u is_true%3#0)
+                let tmp%7#0: bytes = (setbit 0x00 0u is_true%3#0)
                 let tmp%8#0: uint64 = (getbit tmp%7#0 0u)
                 let tmp%9#0: uint64 = (! tmp%8#0)
                 (assert tmp%9#0)
@@ -110,7 +110,7 @@ contract test_cases.arc4_types.structs.Arc4StructsTypeContract:
                 (assert tmp%3#0)
                 let tmp%4#0: bytes = (extract3 vector_flags#0 16u 1u)
                 let is_true%0#0: uint64 = (getbit tmp%4#0 2u)
-                let tmp%5#0: any = (setbit 0x00 0u is_true%0#0)
+                let tmp%5#0: bytes = (setbit 0x00 0u is_true%0#0)
                 let tmp%6#0: uint64 = (getbit tmp%5#0 0u)
                 (assert tmp%6#0)
                 return vector_flags#0
diff --git a/test_cases/arc4_types/out_unoptimized/Arc4TuplesTypeContract.destructured.ir b/test_cases/arc4_types/out_unoptimized/Arc4TuplesTypeContract.destructured.ir
index 1d56c8d313..f5478dd22c 100644
--- a/test_cases/arc4_types/out_unoptimized/Arc4TuplesTypeContract.destructured.ir
+++ b/test_cases/arc4_types/out_unoptimized/Arc4TuplesTypeContract.destructured.ir
@@ -20,15 +20,15 @@ contract test_cases.arc4_types.tuples.Arc4TuplesTypeContract:
                 let my_tuple#0: bytes = encoded_tuple_buffer%0#0
                 let tmp%0#0: uint64 = (== my_tuple#0 0x01020007000eff000568656c6c6f0005776f726c64)
                 (assert tmp%0#0)
-                let tmp%1#0: any = (setbit 0x00 0u 1u)
-                let tmp%2#0: any = (setbit 0x00 0u 0u)
-                let tmp%3#0: any = (setbit 0x00 0u 1u)
-                let tmp%4#0: any = (setbit 0x00 0u 1u)
-                let tmp%5#0: any = (setbit 0x00 0u 1u)
-                let tmp%6#0: any = (setbit 0x00 0u 1u)
-                let tmp%7#0: any = (setbit 0x00 0u 0u)
-                let tmp%8#0: any = (setbit 0x00 0u 1u)
-                let tmp%9#0: any = (setbit 0x00 0u 1u)
+                let tmp%1#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%2#0: bytes = (setbit 0x00 0u 0u)
+                let tmp%3#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%4#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%5#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%6#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%7#0: bytes = (setbit 0x00 0u 0u)
+                let tmp%8#0: bytes = (setbit 0x00 0u 1u)
+                let tmp%9#0: bytes = (setbit 0x00 0u 1u)
                 let encoded_tuple_buffer%1#0: bytes = 0x
                 let encoded_tuple_buffer%1#0: bytes = (concat encoded_tuple_buffer%1#0 0x04)
                 let encoded_tuple_buffer%1#0: bytes = (concat encoded_tuple_buffer%1#0 tmp%1#0)
@@ -53,34 +53,34 @@ contract test_cases.arc4_types.tuples.Arc4TuplesTypeContract:
                 (assert tmp%10#0)
                 let item0%0#0: bytes = (extract3 boolean_packing#0 0u 1u)
                 let is_true%7#0: uint64 = (getbit boolean_packing#0 8u)
-                let item1%0#0: any = (setbit 0x00 0u is_true%7#0)
+                let item1%0#0: bytes = (setbit 0x00 0u is_true%7#0)
                 let is_true%8#0: uint64 = (getbit boolean_packing#0 9u)
-                let item2%0#0: any = (setbit 0x00 0u is_true%8#0)
+                let item2%0#0: bytes = (setbit 0x00 0u is_true%8#0)
                 let is_true%9#0: uint64 = (getbit boolean_packing#0 10u)
-                let item3%0#0: any = (setbit 0x00 0u is_true%9#0)
+                let item3%0#0: bytes = (setbit 0x00 0u is_true%9#0)
                 let is_true%10#0: uint64 = (getbit boolean_packing#0 11u)
-                let item4%0#0: any = (setbit 0x00 0u is_true%10#0)
+                let item4%0#0: bytes = (setbit 0x00 0u is_true%10#0)
                 let is_true%11#0: uint64 = (getbit boolean_packing#0 12u)
-                let item5%0#0: any = (setbit 0x00 0u is_true%11#0)
+                let item5%0#0: bytes = (setbit 0x00 0u is_true%11#0)
                 let is_true%12#0: uint64 = (getbit boolean_packing#0 13u)
-                let item6%0#0: any = (setbit 0x00 0u is_true%12#0)
+                let item6%0#0: bytes = (setbit 0x00 0u is_true%12#0)
                 let is_true%13#0: uint64 = (getbit boolean_packing#0 14u)
-                let item7%0#0: any = (setbit 0x00 0u is_true%13#0)
+                let item7%0#0: bytes = (setbit 0x00 0u is_true%13#0)
                 let is_true%14#0: uint64 = (getbit boolean_packing#0 15u)
-                let item8%0#0: any = (setbit 0x00 0u is_true%14#0)
+                let item8%0#0: bytes = (setbit 0x00 0u is_true%14#0)
                 let is_true%15#0: uint64 = (getbit boolean_packing#0 16u)
-                let item9%0#0: any = (setbit 0x00 0u is_true%15#0)
+                let item9%0#0: bytes = (setbit 0x00 0u is_true%15#0)
                 let item10%0#0: bytes = (extract3 boolean_packing#0 3u 1u)
                 let a#0: bytes = item0%0#0
-                let b#0: any = item1%0#0
-                let c#0: any = item2%0#0
-                let d#0: any = item3%0#0
-                let e#0: any = item4%0#0
-                let f#0: any = item5%0#0
-                let g#0: any = item6%0#0
-                let h#0: any = item7%0#0
-                let i#0: any = item8%0#0
-                let j#0: any = item9%0#0
+                let b#0: bytes = item1%0#0
+                let c#0: bytes = item2%0#0
+                let d#0: bytes = item3%0#0
+                let e#0: bytes = item4%0#0
+                let f#0: bytes = item5%0#0
+                let g#0: bytes = item6%0#0
+                let h#0: bytes = item7%0#0
+                let i#0: bytes = item8%0#0
+                let j#0: bytes = item9%0#0
                 let k#0: bytes = item10%0#0
                 let tmp%11#0: bytes = (extract3 boolean_packing#0 3u 1u)
                 let tmp%12#0: uint64 = (b== tmp%11#0 k#0)
@@ -91,55 +91,55 @@ contract test_cases.arc4_types.tuples.Arc4TuplesTypeContract:
                 let tmp%15#0: uint64 = (== b#0 0x00)
                 goto tmp%15#0 ? block@1 : block@2
             block@1: // ternary_true_L39
-                let ternary_result%0#0: any = b#0
+                let ternary_result%0#0: bytes = b#0
                 goto block@18
             block@2: // ternary_false_L39
                 let tmp%16#0: uint64 = (== d#0 0x00)
                 goto tmp%16#0 ? block@3 : block@4
             block@3: // ternary_true_L39
-                let ternary_result%1#0: any = d#0
+                let ternary_result%1#0: bytes = d#0
                 goto block@17
             block@4: // ternary_false_L39
                 let tmp%17#0: uint64 = (== e#0 0x00)
                 goto tmp%17#0 ? block@5 : block@6
             block@5: // ternary_true_L39
-                let ternary_result%2#0: any = e#0
+                let ternary_result%2#0: bytes = e#0
                 goto block@16
             block@6: // ternary_false_L39
                 let tmp%18#0: uint64 = (== f#0 0x00)
                 goto tmp%18#0 ? block@7 : block@8
             block@7: // ternary_true_L39
-                let ternary_result%3#0: any = f#0
+                let ternary_result%3#0: bytes = f#0
                 goto block@15
             block@8: // ternary_false_L39
                 let tmp%19#0: uint64 = (== g#0 0x00)
                 goto tmp%19#0 ? block@9 : block@10
             block@9: // ternary_true_L39
-                let ternary_result%4#0: any = g#0
+                let ternary_result%4#0: bytes = g#0
                 goto block@14
             block@10: // ternary_false_L39
                 let tmp%20#0: uint64 = (== i#0 0x00)
                 goto tmp%20#0 ? block@11 : block@12
             block@11: // ternary_true_L39
-                let ternary_result%5#0: any = i#0
+                let ternary_result%5#0: bytes = i#0
                 goto block@13
             block@12: // ternary_false_L39
-                let ternary_result%5#0: any = j#0
+                let ternary_result%5#0: bytes = j#0
                 goto block@13
             block@13: // ternary_merge_L39
-                let ternary_result%4#0: any = ternary_result%5#0
+                let ternary_result%4#0: bytes = ternary_result%5#0
                 goto block@14
             block@14: // ternary_merge_L39
-                let ternary_result%3#0: any = ternary_result%4#0
+                let ternary_result%3#0: bytes = ternary_result%4#0
                 goto block@15
             block@15: // ternary_merge_L39
-                let ternary_result%2#0: any = ternary_result%3#0
+                let ternary_result%2#0: bytes = ternary_result%3#0
                 goto block@16
             block@16: // ternary_merge_L39
-                let ternary_result%1#0: any = ternary_result%2#0
+                let ternary_result%1#0: bytes = ternary_result%2#0
                 goto block@17
             block@17: // ternary_merge_L39
-                let ternary_result%0#0: any = ternary_result%1#0
+                let ternary_result%0#0: bytes = ternary_result%1#0
                 goto block@18
             block@18: // ternary_merge_L39
                 let tmp%21#0: uint64 = (!= ternary_result%0#0 0x00)
@@ -147,10 +147,10 @@ contract test_cases.arc4_types.tuples.Arc4TuplesTypeContract:
                 let tmp%22#0: uint64 = (!= c#0 0x00)
                 goto tmp%22#0 ? block@19 : block@20
             block@19: // ternary_true_L40
-                let ternary_result%6#0: any = c#0
+                let ternary_result%6#0: bytes = c#0
                 goto block@21
             block@20: // ternary_false_L40
-                let ternary_result%6#0: any = h#0
+                let ternary_result%6#0: bytes = h#0
                 goto block@21
             block@21: // ternary_merge_L40
                 let tmp%23#0: uint64 = (== ternary_result%6#0 0x00)
@@ -160,23 +160,23 @@ contract test_cases.arc4_types.tuples.Arc4TuplesTypeContract:
                 (assert tmp%25#0) // k is 16
                 let item0%1#0: bytes = (extract3 boolean_packing#0 0u 1u)
                 let is_true%16#0: uint64 = (getbit boolean_packing#0 8u)
-                let item1%1#0: any = (setbit 0x00 0u is_true%16#0)
+                let item1%1#0: bytes = (setbit 0x00 0u is_true%16#0)
                 let is_true%17#0: uint64 = (getbit boolean_packing#0 9u)
-                let item2%1#0: any = (setbit 0x00 0u is_true%17#0)
+                let item2%1#0: bytes = (setbit 0x00 0u is_true%17#0)
                 let is_true%18#0: uint64 = (getbit boolean_packing#0 10u)
-                let item3%1#0: any = (setbit 0x00 0u is_true%18#0)
+                let item3%1#0: bytes = (setbit 0x00 0u is_true%18#0)
                 let is_true%19#0: uint64 = (getbit boolean_packing#0 11u)
-                let item4%1#0: any = (setbit 0x00 0u is_true%19#0)
+                let item4%1#0: bytes = (setbit 0x00 0u is_true%19#0)
                 let is_true%20#0: uint64 = (getbit boolean_packing#0 12u)
-                let item5%1#0: any = (setbit 0x00 0u is_true%20#0)
+                let item5%1#0: bytes = (setbit 0x00 0u is_true%20#0)
                 let is_true%21#0: uint64 = (getbit boolean_packing#0 13u)
-                let item6%1#0: any = (setbit 0x00 0u is_true%21#0)
+                let item6%1#0: bytes = (setbit 0x00 0u is_true%21#0)
                 let is_true%22#0: uint64 = (getbit boolean_packing#0 14u)
-                let item7%1#0: any = (setbit 0x00 0u is_true%22#0)
+                let item7%1#0: bytes = (setbit 0x00 0u is_true%22#0)
                 let is_true%23#0: uint64 = (getbit boolean_packing#0 15u)
-                let item8%1#0: any = (setbit 0x00 0u is_true%23#0)
+                let item8%1#0: bytes = (setbit 0x00 0u is_true%23#0)
                 let is_true%24#0: uint64 = (getbit boolean_packing#0 16u)
-                let item9%1#0: any = (setbit 0x00 0u is_true%24#0)
+                let item9%1#0: bytes = (setbit 0x00 0u is_true%24#0)
                 let item10%1#0: bytes = (extract3 boolean_packing#0 3u 1u)
                 let encoded_tuple_buffer%2#0: bytes = 0x
                 let encoded_tuple_buffer%2#0: bytes = (concat encoded_tuple_buffer%2#0 item0%1#0)
diff --git a/test_cases/arc4_types/puya.log b/test_cases/arc4_types/puya.log
index 99cec40065..95c80b634f 100644
--- a/test_cases/arc4_types/puya.log
+++ b/test_cases/arc4_types/puya.log
@@ -12701,15 +12701,15 @@ debug: Found equivalence set: is_true%14#0, is_true%23#0
 debug: Replacing {is_true%23#0} with is_true%14#0 made 1 modifications
 debug: Found equivalence set: is_true%15#0, is_true%24#0
 debug: Replacing {is_true%24#0} with is_true%15#0 made 1 modifications
-debug: Replacing redundant declaration let item1%1#0: any = (setbit 0x00 0u is_true%7#0) with copy of existing registers [Register(atype=any, name='b', version=0, source_location=arc4_types/tuples.py:36:11-12)]
-debug: Replacing redundant declaration let item2%1#0: any = (setbit 0x00 0u is_true%8#0) with copy of existing registers [Register(atype=any, name='c', version=0, source_location=arc4_types/tuples.py:36:14-15)]
-debug: Replacing redundant declaration let item3%1#0: any = (setbit 0x00 0u is_true%9#0) with copy of existing registers [Register(atype=any, name='d', version=0, source_location=arc4_types/tuples.py:36:17-18)]
-debug: Replacing redundant declaration let item4%1#0: any = (setbit 0x00 0u is_true%10#0) with copy of existing registers [Register(atype=any, name='e', version=0, source_location=arc4_types/tuples.py:36:20-21)]
-debug: Replacing redundant declaration let item5%1#0: any = (setbit 0x00 0u is_true%11#0) with copy of existing registers [Register(atype=any, name='f', version=0, source_location=arc4_types/tuples.py:36:23-24)]
-debug: Replacing redundant declaration let item6%1#0: any = (setbit 0x00 0u is_true%12#0) with copy of existing registers [Register(atype=any, name='g', version=0, source_location=arc4_types/tuples.py:36:26-27)]
-debug: Replacing redundant declaration let item7%1#0: any = (setbit 0x00 0u is_true%13#0) with copy of existing registers [Register(atype=any, name='h', version=0, source_location=arc4_types/tuples.py:36:29-30)]
-debug: Replacing redundant declaration let item8%1#0: any = (setbit 0x00 0u is_true%14#0) with copy of existing registers [Register(atype=any, name='i', version=0, source_location=arc4_types/tuples.py:36:32-33)]
-debug: Replacing redundant declaration let item9%1#0: any = (setbit 0x00 0u is_true%15#0) with copy of existing registers [Register(atype=any, name='j', version=0, source_location=arc4_types/tuples.py:36:35-36)]
+debug: Replacing redundant declaration let item1%1#0: bytes = (setbit 0x00 0u is_true%7#0) with copy of existing registers [Register(atype=bytes, name='b', version=0, source_location=arc4_types/tuples.py:36:11-12)]
+debug: Replacing redundant declaration let item2%1#0: bytes = (setbit 0x00 0u is_true%8#0) with copy of existing registers [Register(atype=bytes, name='c', version=0, source_location=arc4_types/tuples.py:36:14-15)]
+debug: Replacing redundant declaration let item3%1#0: bytes = (setbit 0x00 0u is_true%9#0) with copy of existing registers [Register(atype=bytes, name='d', version=0, source_location=arc4_types/tuples.py:36:17-18)]
+debug: Replacing redundant declaration let item4%1#0: bytes = (setbit 0x00 0u is_true%10#0) with copy of existing registers [Register(atype=bytes, name='e', version=0, source_location=arc4_types/tuples.py:36:20-21)]
+debug: Replacing redundant declaration let item5%1#0: bytes = (setbit 0x00 0u is_true%11#0) with copy of existing registers [Register(atype=bytes, name='f', version=0, source_location=arc4_types/tuples.py:36:23-24)]
+debug: Replacing redundant declaration let item6%1#0: bytes = (setbit 0x00 0u is_true%12#0) with copy of existing registers [Register(atype=bytes, name='g', version=0, source_location=arc4_types/tuples.py:36:26-27)]
+debug: Replacing redundant declaration let item7%1#0: bytes = (setbit 0x00 0u is_true%13#0) with copy of existing registers [Register(atype=bytes, name='h', version=0, source_location=arc4_types/tuples.py:36:29-30)]
+debug: Replacing redundant declaration let item8%1#0: bytes = (setbit 0x00 0u is_true%14#0) with copy of existing registers [Register(atype=bytes, name='i', version=0, source_location=arc4_types/tuples.py:36:32-33)]
+debug: Replacing redundant declaration let item9%1#0: bytes = (setbit 0x00 0u is_true%15#0) with copy of existing registers [Register(atype=bytes, name='j', version=0, source_location=arc4_types/tuples.py:36:35-36)]
 debug: Found equivalence set: b#0, item1%1#0
 debug: Replacing {item1%1#0} with b#0 made 1 modifications
 debug: Found equivalence set: c#0, item2%1#0
diff --git a/test_cases/avm_types_in_abi/out/TestContract.approval.mir b/test_cases/avm_types_in_abi/out/TestContract.approval.mir
index fc394f6a4f..c59eee391b 100644
--- a/test_cases/avm_types_in_abi/out/TestContract.approval.mir
+++ b/test_cases/avm_types_in_abi/out/TestContract.approval.mir
@@ -50,7 +50,7 @@ main_create_route@1:
     getbit                                                                       //                                                                                                                                                                                  tmp%6#0,tmp%8#0,tmp%10#0,tmp%11#0,{getbit}                                                                                                                                                                                  class TestContract(arc4.ARC4Contract):                                                               avm_types_in_abi/contract.py:4
     //                                                                           virtual: store is_true%0#0 to l-stack (no copy)               tmp%6#0,tmp%8#0,tmp%10#0,tmp%11#0,is_true%0#0                                                                                                                                                                                                                                            class TestContract(arc4.ARC4Contract):                   avm_types_in_abi/contract.py:4
     byte 0x00                                                                    //                                                                                                                                                                                  tmp%6#0,tmp%8#0,tmp%10#0,tmp%11#0,is_true%0#0,0x00                                                                                                                                                                          class TestContract(arc4.ARC4Contract):                                                               avm_types_in_abi/contract.py:4
-    int 0                                                                        //                                                                                                                                                                                  tmp%6#0,tmp%8#0,tmp%10#0,tmp%11#0,is_true%0#0,0x00,0
+    int 0                                                                        //                                                                                                                                                                                  tmp%6#0,tmp%8#0,tmp%10#0,tmp%11#0,is_true%0#0,0x00,0                                                                                                                                                                        class TestContract(arc4.ARC4Contract):                                                               avm_types_in_abi/contract.py:4
     uncover 2                                                                    //                                                            load is_true%0#0 from l-stack (no copy)                                                                               tmp%6#0,tmp%8#0,tmp%10#0,tmp%11#0,0x00,0,is_true%0#0                                                                                                                                                                        class TestContract(arc4.ARC4Contract):                                                               avm_types_in_abi/contract.py:4
     setbit                                                                       //                                                                                                                                                                                  tmp%6#0,tmp%8#0,tmp%10#0,tmp%11#0,{setbit}                                                                                                                                                                                  class TestContract(arc4.ARC4Contract):                                                               avm_types_in_abi/contract.py:4
     swap                                                                         //                                                            store item0%0#0 to l-stack (no copy)                                                                                  tmp%6#0,tmp%8#0,tmp%10#0,item0%0#0,tmp%11#0                                                                                                                                                                                 class TestContract(arc4.ARC4Contract):                                                               avm_types_in_abi/contract.py:4
@@ -95,7 +95,7 @@ main_create_route@1:
     swap                                                                         //                                                            store awst_tmp%4#0 to l-stack (no copy)                                                                               awst_tmp%5#0,awst_tmp%4#0,{create}.0                                                                                                                                                                                        arc4.abimethod(allow_actions=["NoOp"], create="require")                                             avm_types_in_abi/contract.py:5
     //                                                                           virtual: store awst_tmp%3#0 to l-stack (no copy)              awst_tmp%5#0,awst_tmp%4#0,awst_tmp%3#0                                                                                                                                                                                                                                                   arc4.abimethod(allow_actions=["NoOp"], create="require") avm_types_in_abi/contract.py:5
     byte 0x00                                                                    //                                                                                                                                                                                  awst_tmp%5#0,awst_tmp%4#0,awst_tmp%3#0,0x00                                                                                                                                                                                 arc4.abimethod(allow_actions=["NoOp"], create="require")                                             avm_types_in_abi/contract.py:5
-    int 0                                                                        //                                                                                                                                                                                  awst_tmp%5#0,awst_tmp%4#0,awst_tmp%3#0,0x00,0
+    int 0                                                                        //                                                                                                                                                                                  awst_tmp%5#0,awst_tmp%4#0,awst_tmp%3#0,0x00,0                                                                                                                                                                               arc4.abimethod(allow_actions=["NoOp"], create="require")                                             avm_types_in_abi/contract.py:5
     uncover 2                                                                    //                                                            load awst_tmp%3#0 from l-stack (no copy)                                                                              awst_tmp%5#0,awst_tmp%4#0,0x00,0,awst_tmp%3#0                                                                                                                                                                               arc4.abimethod(allow_actions=["NoOp"], create="require")                                             avm_types_in_abi/contract.py:5
     setbit                                                                       //                                                                                                                                                                                  awst_tmp%5#0,awst_tmp%4#0,{setbit}                                                                                                                                                                                          arc4.abimethod(allow_actions=["NoOp"], create="require")                                             avm_types_in_abi/contract.py:5
     cover 2                                                                      //                                                            store tmp%15#0 to l-stack (no copy)                                                                                   tmp%15#0,awst_tmp%5#0,awst_tmp%4#0                                                                                                                                                                                          arc4.abimethod(allow_actions=["NoOp"], create="require")                                             avm_types_in_abi/contract.py:5
diff --git a/test_cases/avm_types_in_abi/out/TestContract.destructured.ir b/test_cases/avm_types_in_abi/out/TestContract.destructured.ir
index a1a396be00..d96c620930 100644
--- a/test_cases/avm_types_in_abi/out/TestContract.destructured.ir
+++ b/test_cases/avm_types_in_abi/out/TestContract.destructured.ir
@@ -19,7 +19,7 @@ contract test_cases.avm_types_in_abi.contract.TestContract:
                 let tmp%10#0: bytes = ((extract 2 0) tmp%9#0)
                 let tmp%11#0: bytes = (txna ApplicationArgs 4)
                 let is_true%0#0: uint64 = (getbit tmp%11#0 0u)
-                let item0%0#0: any = (setbit 0x00 0u is_true%0#0)
+                let item0%0#0: bytes = (setbit 0x00 0u is_true%0#0)
                 let item1%0#0: bytes = ((extract 1 8) tmp%11#0)
                 let item_index%0#0: uint64 = (extract_uint16 tmp%11#0 9u)
                 let item_length%0#0: uint64 = (extract_uint16 tmp%11#0 item_index%0#0)
@@ -29,7 +29,7 @@ contract test_cases.avm_types_in_abi.contract.TestContract:
                 let tmp%13#0: uint64 = (btoi item1%0#0)
                 let tmp%14#0: bytes = ((extract 2 0) item2%0#0)
                 let (awst_tmp%3#0: uint64, awst_tmp%4#0: uint64, awst_tmp%5#0: bytes) = test_cases.avm_types_in_abi.contract.TestContract.create(tmp%6#0, tmp%8#0, tmp%10#0, tmp%12#0, tmp%13#0, tmp%14#0)
-                let tmp%15#0: any = (setbit 0x00 0u awst_tmp%3#0)
+                let tmp%15#0: bytes = (setbit 0x00 0u awst_tmp%3#0)
                 let val_as_bytes%0#0: bytes = (itob awst_tmp%4#0)
                 let tmp%16#0: uint64 = (len awst_tmp%5#0)
                 let tmp%17#0: bytes = (itob tmp%16#0)
diff --git a/test_cases/avm_types_in_abi/out/TestContract.ssa.ir b/test_cases/avm_types_in_abi/out/TestContract.ssa.ir
index a7838cae2f..bd5d76e7df 100644
--- a/test_cases/avm_types_in_abi/out/TestContract.ssa.ir
+++ b/test_cases/avm_types_in_abi/out/TestContract.ssa.ir
@@ -19,18 +19,18 @@ contract test_cases.avm_types_in_abi.contract.TestContract:
                 let tmp%10#0: bytes = ((extract 2 0) tmp%9#0)
                 let tmp%11#0: bytes = (txna ApplicationArgs 4)
                 let is_true%0#0: uint64 = (getbit tmp%11#0 0u)
-                let item0%0#0: any = (setbit 0x00 0u is_true%0#0)
+                let item0%0#0: bytes = (setbit 0x00 0u is_true%0#0)
                 let item1%0#0: bytes = (extract3 tmp%11#0 1u 8u)
                 let item_index%0#0: uint64 = (extract_uint16 tmp%11#0 9u)
                 let item_length%0#0: uint64 = (extract_uint16 tmp%11#0 item_index%0#0)
                 let item_length_plus_2%0#0: uint64 = (+ item_length%0#0 2u)
                 let item2%0#0: bytes = (extract3 tmp%11#0 item_index%0#0 item_length_plus_2%0#0)
-                let (awst_tmp%0#0: any, awst_tmp%1#0: bytes, awst_tmp%2#0: bytes) = (item0%0#0, item1%0#0, item2%0#0)
+                let (awst_tmp%0#0: bytes, awst_tmp%1#0: bytes, awst_tmp%2#0: bytes) = (item0%0#0, item1%0#0, item2%0#0)
                 let tmp%12#0: uint64 = (getbit awst_tmp%0#0 0u)
                 let tmp%13#0: uint64 = (btoi awst_tmp%1#0)
                 let tmp%14#0: bytes = ((extract 2 0) awst_tmp%2#0)
                 let (awst_tmp%3#0: uint64, awst_tmp%4#0: uint64, awst_tmp%5#0: bytes) = test_cases.avm_types_in_abi.contract.TestContract.create(tmp%6#0, tmp%8#0, tmp%10#0, tmp%12#0, tmp%13#0, tmp%14#0)
-                let tmp%15#0: any = (setbit 0x00 0u awst_tmp%3#0)
+                let tmp%15#0: bytes = (setbit 0x00 0u awst_tmp%3#0)
                 let val_as_bytes%0#0: bytes = (itob awst_tmp%4#0)
                 let awst_tmp%6#0: bytes = awst_tmp%5#0
                 let tmp%16#0: uint64 = (len awst_tmp%6#0)
diff --git a/test_cases/avm_types_in_abi/out/TestContract.ssa.opt_pass_1.ir b/test_cases/avm_types_in_abi/out/TestContract.ssa.opt_pass_1.ir
index 1ba74c5220..cde5d13957 100644
--- a/test_cases/avm_types_in_abi/out/TestContract.ssa.opt_pass_1.ir
+++ b/test_cases/avm_types_in_abi/out/TestContract.ssa.opt_pass_1.ir
@@ -19,7 +19,7 @@ contract test_cases.avm_types_in_abi.contract.TestContract:
                 let tmp%10#0: bytes = ((extract 2 0) tmp%9#0)
                 let tmp%11#0: bytes = (txna ApplicationArgs 4)
                 let is_true%0#0: uint64 = (getbit tmp%11#0 0u)
-                let item0%0#0: any = (setbit 0x00 0u is_true%0#0)
+                let item0%0#0: bytes = (setbit 0x00 0u is_true%0#0)
                 let item1%0#0: bytes = ((extract 1 8) tmp%11#0)
                 let item_index%0#0: uint64 = (extract_uint16 tmp%11#0 9u)
                 let item_length%0#0: uint64 = (extract_uint16 tmp%11#0 item_index%0#0)
@@ -29,7 +29,7 @@ contract test_cases.avm_types_in_abi.contract.TestContract:
                 let tmp%13#0: uint64 = (btoi item1%0#0)
                 let tmp%14#0: bytes = ((extract 2 0) item2%0#0)
                 let (awst_tmp%3#0: uint64, awst_tmp%4#0: uint64, awst_tmp%5#0: bytes) = test_cases.avm_types_in_abi.contract.TestContract.create(tmp%6#0, tmp%8#0, tmp%10#0, tmp%12#0, tmp%13#0, tmp%14#0)
-                let tmp%15#0: any = (setbit 0x00 0u awst_tmp%3#0)
+                let tmp%15#0: bytes = (setbit 0x00 0u awst_tmp%3#0)
                 let val_as_bytes%0#0: bytes = (itob awst_tmp%4#0)
                 let tmp%16#0: uint64 = (len awst_tmp%5#0)
                 let tmp%17#0: bytes = (itob tmp%16#0)
diff --git a/test_cases/avm_types_in_abi/out/TestContract.ssa.opt_pass_2.ir b/test_cases/avm_types_in_abi/out/TestContract.ssa.opt_pass_2.ir
index bb024e79e3..caaec2be1a 100644
--- a/test_cases/avm_types_in_abi/out/TestContract.ssa.opt_pass_2.ir
+++ b/test_cases/avm_types_in_abi/out/TestContract.ssa.opt_pass_2.ir
@@ -19,7 +19,7 @@ contract test_cases.avm_types_in_abi.contract.TestContract:
                 let tmp%10#0: bytes = ((extract 2 0) tmp%9#0)
                 let tmp%11#0: bytes = (txna ApplicationArgs 4)
                 let is_true%0#0: uint64 = (getbit tmp%11#0 0u)
-                let item0%0#0: any = (setbit 0x00 0u is_true%0#0)
+                let item0%0#0: bytes = (setbit 0x00 0u is_true%0#0)
                 let item1%0#0: bytes = ((extract 1 8) tmp%11#0)
                 let item_index%0#0: uint64 = (extract_uint16 tmp%11#0 9u)
                 let item_length%0#0: uint64 = (extract_uint16 tmp%11#0 item_index%0#0)
@@ -29,7 +29,7 @@ contract test_cases.avm_types_in_abi.contract.TestContract:
                 let tmp%13#0: uint64 = (btoi item1%0#0)
                 let tmp%14#0: bytes = ((extract 2 0) item2%0#0)
                 let (awst_tmp%3#0: uint64, awst_tmp%4#0: uint64, awst_tmp%5#0: bytes) = test_cases.avm_types_in_abi.contract.TestContract.create(tmp%6#0, tmp%8#0, tmp%10#0, tmp%12#0, tmp%13#0, tmp%14#0)
-                let tmp%15#0: any = (setbit 0x00 0u awst_tmp%3#0)
+                let tmp%15#0: bytes = (setbit 0x00 0u awst_tmp%3#0)
                 let val_as_bytes%0#0: bytes = (itob awst_tmp%4#0)
                 let tmp%16#0: uint64 = (len awst_tmp%5#0)
                 let tmp%17#0: bytes = (itob tmp%16#0)
diff --git a/test_cases/avm_types_in_abi/out_O2/TestContract.destructured.ir b/test_cases/avm_types_in_abi/out_O2/TestContract.destructured.ir
index a1a396be00..d96c620930 100644
--- a/test_cases/avm_types_in_abi/out_O2/TestContract.destructured.ir
+++ b/test_cases/avm_types_in_abi/out_O2/TestContract.destructured.ir
@@ -19,7 +19,7 @@ contract test_cases.avm_types_in_abi.contract.TestContract:
                 let tmp%10#0: bytes = ((extract 2 0) tmp%9#0)
                 let tmp%11#0: bytes = (txna ApplicationArgs 4)
                 let is_true%0#0: uint64 = (getbit tmp%11#0 0u)
-                let item0%0#0: any = (setbit 0x00 0u is_true%0#0)
+                let item0%0#0: bytes = (setbit 0x00 0u is_true%0#0)
                 let item1%0#0: bytes = ((extract 1 8) tmp%11#0)
                 let item_index%0#0: uint64 = (extract_uint16 tmp%11#0 9u)
                 let item_length%0#0: uint64 = (extract_uint16 tmp%11#0 item_index%0#0)
@@ -29,7 +29,7 @@ contract test_cases.avm_types_in_abi.contract.TestContract:
                 let tmp%13#0: uint64 = (btoi item1%0#0)
                 let tmp%14#0: bytes = ((extract 2 0) item2%0#0)
                 let (awst_tmp%3#0: uint64, awst_tmp%4#0: uint64, awst_tmp%5#0: bytes) = test_cases.avm_types_in_abi.contract.TestContract.create(tmp%6#0, tmp%8#0, tmp%10#0, tmp%12#0, tmp%13#0, tmp%14#0)
-                let tmp%15#0: any = (setbit 0x00 0u awst_tmp%3#0)
+                let tmp%15#0: bytes = (setbit 0x00 0u awst_tmp%3#0)
                 let val_as_bytes%0#0: bytes = (itob awst_tmp%4#0)
                 let tmp%16#0: uint64 = (len awst_tmp%5#0)
                 let tmp%17#0: bytes = (itob tmp%16#0)
diff --git a/test_cases/avm_types_in_abi/out_unoptimized/TestContract.destructured.ir b/test_cases/avm_types_in_abi/out_unoptimized/TestContract.destructured.ir
index f59f89ab0c..3ef3b03320 100644
--- a/test_cases/avm_types_in_abi/out_unoptimized/TestContract.destructured.ir
+++ b/test_cases/avm_types_in_abi/out_unoptimized/TestContract.destructured.ir
@@ -19,20 +19,20 @@ contract test_cases.avm_types_in_abi.contract.TestContract:
                 let tmp%10#0: bytes = ((extract 2 0) tmp%9#0)
                 let tmp%11#0: bytes = (txna ApplicationArgs 4)
                 let is_true%0#0: uint64 = (getbit tmp%11#0 0u)
-                let item0%0#0: any = (setbit 0x00 0u is_true%0#0)
+                let item0%0#0: bytes = (setbit 0x00 0u is_true%0#0)
                 let item1%0#0: bytes = (extract3 tmp%11#0 1u 8u)
                 let item_index%0#0: uint64 = (extract_uint16 tmp%11#0 9u)
                 let item_length%0#0: uint64 = (extract_uint16 tmp%11#0 item_index%0#0)
                 let item_length_plus_2%0#0: uint64 = (+ item_length%0#0 2u)
                 let item2%0#0: bytes = (extract3 tmp%11#0 item_index%0#0 item_length_plus_2%0#0)
-                let awst_tmp%0#0: any = item0%0#0
+                let awst_tmp%0#0: bytes = item0%0#0
                 let awst_tmp%1#0: bytes = item1%0#0
                 let awst_tmp%2#0: bytes = item2%0#0
                 let tmp%12#0: uint64 = (getbit awst_tmp%0#0 0u)
                 let tmp%13#0: uint64 = (btoi awst_tmp%1#0)
                 let tmp%14#0: bytes = ((extract 2 0) awst_tmp%2#0)
                 let (awst_tmp%3#0: uint64, awst_tmp%4#0: uint64, awst_tmp%5#0: bytes) = test_cases.avm_types_in_abi.contract.TestContract.create(tmp%6#0, tmp%8#0, tmp%10#0, tmp%12#0, tmp%13#0, tmp%14#0)
-                let tmp%15#0: any = (setbit 0x00 0u awst_tmp%3#0)
+                let tmp%15#0: bytes = (setbit 0x00 0u awst_tmp%3#0)
                 let val_as_bytes%0#0: bytes = (itob awst_tmp%4#0)
                 let awst_tmp%6#0: bytes = awst_tmp%5#0
                 let tmp%16#0: uint64 = (len awst_tmp%6#0)
diff --git a/test_cases/everything/out/MyContract.destructured.ir b/test_cases/everything/out/MyContract.destructured.ir
index 251b8c97ec..f49a51dd99 100644
--- a/test_cases/everything/out/MyContract.destructured.ir
+++ b/test_cases/everything/out/MyContract.destructured.ir
@@ -86,7 +86,7 @@ contract test_cases.everything.contract.Everything:
                 let tmp%1#0: uint64 = (== tmp%0#0 OptIn)
                 goto tmp%1#0 ? block@1 : block@4
             block@1: // if_body_L50
-                let (sender_name#0: any, sender_name_existed#0: uint64) = (app_local_get_ex 0u 0u "name")
+                let (sender_name#0: bytes, sender_name_existed#0: uint64) = (app_local_get_ex 0u 0u "name")
                 goto sender_name_existed#0 ? block@4 : block@2
             block@2: // if_body_L52
                 let (counter_value%0#0: uint64, counter_exists%0#0: uint64) = (app_global_get_ex 0u "counter")
@@ -106,7 +106,7 @@ contract test_cases.everything.contract.Everything:
         subroutine test_cases.everything.contract.Everything.say_hello() -> bytes:
             block@0: // L56
                 test_cases.everything.contract.Everything._check_ban_list()
-                let (name#0: any, exists#0: uint64) = (app_local_get_ex 0u 0u "name")
+                let (name#0: bytes, exists#0: uint64) = (app_local_get_ex 0u 0u "name")
                 goto exists#0 ? block@2 : block@1
             block@1: // if_body_L60
                 return "\x00\x0fHowdy stranger!"
diff --git a/test_cases/everything/out/MyContract.ssa.ir b/test_cases/everything/out/MyContract.ssa.ir
index 13f07e9020..92f76a3825 100644
--- a/test_cases/everything/out/MyContract.ssa.ir
+++ b/test_cases/everything/out/MyContract.ssa.ir
@@ -91,8 +91,8 @@ contract test_cases.everything.contract.Everything:
                 let tmp%1#0: uint64 = (== tmp%0#0 OptIn)
                 goto tmp%1#0 ? block@1 : block@4
             block@1: // if_body_L50
-                let (tuple_assignment%0#0: any, tuple_assignment%1#0: uint64) = (app_local_get_ex 0u 0u "name")
-                let sender_name#0: any = tuple_assignment%0#0
+                let (tuple_assignment%0#0: bytes, tuple_assignment%1#0: uint64) = (app_local_get_ex 0u 0u "name")
+                let sender_name#0: bytes = tuple_assignment%0#0
                 let sender_name_existed#0: uint64 = tuple_assignment%1#0
                 goto sender_name_existed#0 ? block@3 : block@2
             block@2: // if_body_L52
@@ -115,8 +115,8 @@ contract test_cases.everything.contract.Everything:
         subroutine test_cases.everything.contract.Everything.say_hello() -> bytes:
             block@0: // L56
                 test_cases.everything.contract.Everything._check_ban_list()
-                let (tuple_assignment%0#0: any, tuple_assignment%1#0: uint64) = (app_local_get_ex 0u 0u "name")
-                let name#0: any = tuple_assignment%0#0
+                let (tuple_assignment%0#0: bytes, tuple_assignment%1#0: uint64) = (app_local_get_ex 0u 0u "name")
+                let name#0: bytes = tuple_assignment%0#0
                 let exists#0: uint64 = tuple_assignment%1#0
                 goto exists#0 ? block@2 : block@1
             block@1: // if_body_L60
diff --git a/test_cases/everything/out/MyContract.ssa.opt_pass_1.ir b/test_cases/everything/out/MyContract.ssa.opt_pass_1.ir
index 6fdec3d002..a4d9ce0d66 100644
--- a/test_cases/everything/out/MyContract.ssa.opt_pass_1.ir
+++ b/test_cases/everything/out/MyContract.ssa.opt_pass_1.ir
@@ -86,7 +86,7 @@ contract test_cases.everything.contract.Everything:
                 let tmp%1#0: uint64 = (== tmp%0#0 OptIn)
                 goto tmp%1#0 ? block@1 : block@4
             block@1: // if_body_L50
-                let (sender_name#0: any, sender_name_existed#0: uint64) = (app_local_get_ex 0u 0u "name")
+                let (sender_name#0: bytes, sender_name_existed#0: uint64) = (app_local_get_ex 0u 0u "name")
                 goto sender_name_existed#0 ? block@4 : block@2
             block@2: // if_body_L52
                 let (counter_value%0#0: uint64, counter_exists%0#0: uint64) = (app_global_get_ex 0u "counter")
@@ -106,7 +106,7 @@ contract test_cases.everything.contract.Everything:
         subroutine test_cases.everything.contract.Everything.say_hello() -> bytes:
             block@0: // L56
                 test_cases.everything.contract.Everything._check_ban_list()
-                let (name#0: any, exists#0: uint64) = (app_local_get_ex 0u 0u "name")
+                let (name#0: bytes, exists#0: uint64) = (app_local_get_ex 0u 0u "name")
                 goto exists#0 ? block@2 : block@1
             block@1: // if_body_L60
                 return "\x00\x0fHowdy stranger!"
diff --git a/test_cases/everything/out/MyContract.ssa.opt_pass_2.ir b/test_cases/everything/out/MyContract.ssa.opt_pass_2.ir
index 251b8c97ec..f49a51dd99 100644
--- a/test_cases/everything/out/MyContract.ssa.opt_pass_2.ir
+++ b/test_cases/everything/out/MyContract.ssa.opt_pass_2.ir
@@ -86,7 +86,7 @@ contract test_cases.everything.contract.Everything:
                 let tmp%1#0: uint64 = (== tmp%0#0 OptIn)
                 goto tmp%1#0 ? block@1 : block@4
             block@1: // if_body_L50
-                let (sender_name#0: any, sender_name_existed#0: uint64) = (app_local_get_ex 0u 0u "name")
+                let (sender_name#0: bytes, sender_name_existed#0: uint64) = (app_local_get_ex 0u 0u "name")
                 goto sender_name_existed#0 ? block@4 : block@2
             block@2: // if_body_L52
                 let (counter_value%0#0: uint64, counter_exists%0#0: uint64) = (app_global_get_ex 0u "counter")
@@ -106,7 +106,7 @@ contract test_cases.everything.contract.Everything:
         subroutine test_cases.everything.contract.Everything.say_hello() -> bytes:
             block@0: // L56
                 test_cases.everything.contract.Everything._check_ban_list()
-                let (name#0: any, exists#0: uint64) = (app_local_get_ex 0u 0u "name")
+                let (name#0: bytes, exists#0: uint64) = (app_local_get_ex 0u 0u "name")
                 goto exists#0 ? block@2 : block@1
             block@1: // if_body_L60
                 return "\x00\x0fHowdy stranger!"
diff --git a/test_cases/everything/out_O2/MyContract.destructured.ir b/test_cases/everything/out_O2/MyContract.destructured.ir
index 251b8c97ec..f49a51dd99 100644
--- a/test_cases/everything/out_O2/MyContract.destructured.ir
+++ b/test_cases/everything/out_O2/MyContract.destructured.ir
@@ -86,7 +86,7 @@ contract test_cases.everything.contract.Everything:
                 let tmp%1#0: uint64 = (== tmp%0#0 OptIn)
                 goto tmp%1#0 ? block@1 : block@4
             block@1: // if_body_L50
-                let (sender_name#0: any, sender_name_existed#0: uint64) = (app_local_get_ex 0u 0u "name")
+                let (sender_name#0: bytes, sender_name_existed#0: uint64) = (app_local_get_ex 0u 0u "name")
                 goto sender_name_existed#0 ? block@4 : block@2
             block@2: // if_body_L52
                 let (counter_value%0#0: uint64, counter_exists%0#0: uint64) = (app_global_get_ex 0u "counter")
@@ -106,7 +106,7 @@ contract test_cases.everything.contract.Everything:
         subroutine test_cases.everything.contract.Everything.say_hello() -> bytes:
             block@0: // L56
                 test_cases.everything.contract.Everything._check_ban_list()
-                let (name#0: any, exists#0: uint64) = (app_local_get_ex 0u 0u "name")
+                let (name#0: bytes, exists#0: uint64) = (app_local_get_ex 0u 0u "name")
                 goto exists#0 ? block@2 : block@1
             block@1: // if_body_L60
                 return "\x00\x0fHowdy stranger!"
diff --git a/test_cases/everything/out_unoptimized/MyContract.destructured.ir b/test_cases/everything/out_unoptimized/MyContract.destructured.ir
index 5239b1d40d..dcb30fbc71 100644
--- a/test_cases/everything/out_unoptimized/MyContract.destructured.ir
+++ b/test_cases/everything/out_unoptimized/MyContract.destructured.ir
@@ -91,7 +91,7 @@ contract test_cases.everything.contract.Everything:
                 let tmp%1#0: uint64 = (== tmp%0#0 OptIn)
                 goto tmp%1#0 ? block@1 : block@4
             block@1: // if_body_L50
-                let (tuple_assignment%0#0: any, tuple_assignment%1#0: uint64) = (app_local_get_ex 0u 0u "name")
+                let (tuple_assignment%0#0: bytes, tuple_assignment%1#0: uint64) = (app_local_get_ex 0u 0u "name")
                 let sender_name_existed#0: uint64 = tuple_assignment%1#0
                 goto sender_name_existed#0 ? block@3 : block@2
             block@2: // if_body_L52
@@ -114,8 +114,8 @@ contract test_cases.everything.contract.Everything:
         subroutine test_cases.everything.contract.Everything.say_hello() -> bytes:
             block@0: // L56
                 test_cases.everything.contract.Everything._check_ban_list()
-                let (tuple_assignment%0#0: any, tuple_assignment%1#0: uint64) = (app_local_get_ex 0u 0u "name")
-                let name#0: any = tuple_assignment%0#0
+                let (tuple_assignment%0#0: bytes, tuple_assignment%1#0: uint64) = (app_local_get_ex 0u 0u "name")
+                let name#0: bytes = tuple_assignment%0#0
                 let exists#0: uint64 = tuple_assignment%1#0
                 goto exists#0 ? block@2 : block@1
             block@1: // if_body_L60
diff --git a/test_cases/regression_118/out/Contract.approval.mir b/test_cases/regression_118/out/Contract.approval.mir
index 954c102905..db4d275d87 100644
--- a/test_cases/regression_118/out/Contract.approval.mir
+++ b/test_cases/regression_118/out/Contract.approval.mir
@@ -71,7 +71,7 @@ verify_block@0:
     txn NumAppArgs                                 //                                                                                                    (𝕡) values#0 | {txn}                                                                                        Txn.num_app_args                                                                    regression_118/contract.py:9
     //                                             virtual: store tmp%0#0 to l-stack (no copy)                   (𝕡) values#0 | tmp%0#0                                                                                      Txn.num_app_args                        regression_118/contract.py:9
     byte 0x00                                      //                                                                                                    (𝕡) values#0 | tmp%0#0,0x00                                                                                 Bool(\nbool(Txn.num_app_args)\n)                                                    regression_118/contract.py:8-10
-    int 0                                          //                                                                                                    (𝕡) values#0 | tmp%0#0,0x00,0
+    int 0                                          //                                                                                                    (𝕡) values#0 | tmp%0#0,0x00,0                                                                               Bool(\nbool(Txn.num_app_args)\n)                                                    regression_118/contract.py:8-10
     uncover 2                                      //                                                            load tmp%0#0 from l-stack (no copy)     (𝕡) values#0 | 0x00,0,tmp%0#0                                                                               val1 = Bool(\nbool(Txn.num_app_args)\n)                                             regression_118/contract.py:8-10
     setbit                                         //                                                                                                    (𝕡) values#0 | {setbit}                                                                                     Bool(\nbool(Txn.num_app_args)\n)                                                    regression_118/contract.py:8-10
     //                                             virtual: store val1#0 to x-stack (no copy)                    (𝕡) values#0 | (𝕏) val1#0 |                                                                                 val1 = Bool(\nbool(Txn.num_app_args)\n) regression_118/contract.py:8-10
diff --git a/test_cases/regression_118/out/Contract.destructured.ir b/test_cases/regression_118/out/Contract.destructured.ir
index bc574eeea9..3ef7b7fd61 100644
--- a/test_cases/regression_118/out/Contract.destructured.ir
+++ b/test_cases/regression_118/out/Contract.destructured.ir
@@ -30,7 +30,7 @@ contract test_cases.regression_118.contract.Contract:
         subroutine test_cases.regression_118.contract.Contract.verify(values: bytes) -> bytes:
             block@0: // L6
                 let tmp%0#0: uint64 = (txn NumAppArgs)
-                let val1#0: any = (setbit 0x00 0u tmp%0#0)
+                let val1#0: bytes = (setbit 0x00 0u tmp%0#0)
                 let tmp%1#0: uint64 = (extract_uint16 values#0 0u)
                 let tmp%2#0: uint64 = (!= tmp%1#0 2u)
                 goto tmp%2#0 ? block@1 : block@2
diff --git a/test_cases/regression_118/out/Contract.ssa.ir b/test_cases/regression_118/out/Contract.ssa.ir
index 7b5e6bc4af..1cab6f1f38 100644
--- a/test_cases/regression_118/out/Contract.ssa.ir
+++ b/test_cases/regression_118/out/Contract.ssa.ir
@@ -36,7 +36,7 @@ contract test_cases.regression_118.contract.Contract:
         subroutine test_cases.regression_118.contract.Contract.verify(values: bytes) -> bytes:
             block@0: // L6
                 let tmp%0#0: uint64 = (txn NumAppArgs)
-                let val1#0: any = (setbit 0x00 0u tmp%0#0)
+                let val1#0: bytes = (setbit 0x00 0u tmp%0#0)
                 let tmp%1#0: uint64 = (extract_uint16 values#0 0u)
                 let tmp%2#0: uint64 = (!= tmp%1#0 2u)
                 goto tmp%2#0 ? block@1 : block@2
diff --git a/test_cases/regression_118/out/Contract.ssa.opt_pass_1.ir b/test_cases/regression_118/out/Contract.ssa.opt_pass_1.ir
index a3f22c4e9c..333f5d6f34 100644
--- a/test_cases/regression_118/out/Contract.ssa.opt_pass_1.ir
+++ b/test_cases/regression_118/out/Contract.ssa.opt_pass_1.ir
@@ -30,7 +30,7 @@ contract test_cases.regression_118.contract.Contract:
         subroutine test_cases.regression_118.contract.Contract.verify(values: bytes) -> bytes:
             block@0: // L6
                 let tmp%0#0: uint64 = (txn NumAppArgs)
-                let val1#0: any = (setbit 0x00 0u tmp%0#0)
+                let val1#0: bytes = (setbit 0x00 0u tmp%0#0)
                 let tmp%1#0: uint64 = (extract_uint16 values#0 0u)
                 let tmp%2#0: uint64 = (!= tmp%1#0 2u)
                 goto tmp%2#0 ? block@1 : block@2
diff --git a/test_cases/regression_118/out/Contract.ssa.opt_pass_2.ir b/test_cases/regression_118/out/Contract.ssa.opt_pass_2.ir
index e56d279a61..5f37193e88 100644
--- a/test_cases/regression_118/out/Contract.ssa.opt_pass_2.ir
+++ b/test_cases/regression_118/out/Contract.ssa.opt_pass_2.ir
@@ -30,7 +30,7 @@ contract test_cases.regression_118.contract.Contract:
         subroutine test_cases.regression_118.contract.Contract.verify(values: bytes) -> bytes:
             block@0: // L6
                 let tmp%0#0: uint64 = (txn NumAppArgs)
-                let val1#0: any = (setbit 0x00 0u tmp%0#0)
+                let val1#0: bytes = (setbit 0x00 0u tmp%0#0)
                 let tmp%1#0: uint64 = (extract_uint16 values#0 0u)
                 let tmp%2#0: uint64 = (!= tmp%1#0 2u)
                 goto tmp%2#0 ? block@1 : block@2
diff --git a/test_cases/regression_118/out_O2/Contract.destructured.ir b/test_cases/regression_118/out_O2/Contract.destructured.ir
index bc574eeea9..3ef7b7fd61 100644
--- a/test_cases/regression_118/out_O2/Contract.destructured.ir
+++ b/test_cases/regression_118/out_O2/Contract.destructured.ir
@@ -30,7 +30,7 @@ contract test_cases.regression_118.contract.Contract:
         subroutine test_cases.regression_118.contract.Contract.verify(values: bytes) -> bytes:
             block@0: // L6
                 let tmp%0#0: uint64 = (txn NumAppArgs)
-                let val1#0: any = (setbit 0x00 0u tmp%0#0)
+                let val1#0: bytes = (setbit 0x00 0u tmp%0#0)
                 let tmp%1#0: uint64 = (extract_uint16 values#0 0u)
                 let tmp%2#0: uint64 = (!= tmp%1#0 2u)
                 goto tmp%2#0 ? block@1 : block@2
diff --git a/test_cases/regression_118/out_unoptimized/Contract.destructured.ir b/test_cases/regression_118/out_unoptimized/Contract.destructured.ir
index 0379a7fbd0..bf7dcfb00b 100644
--- a/test_cases/regression_118/out_unoptimized/Contract.destructured.ir
+++ b/test_cases/regression_118/out_unoptimized/Contract.destructured.ir
@@ -36,7 +36,7 @@ contract test_cases.regression_118.contract.Contract:
         subroutine test_cases.regression_118.contract.Contract.verify(values: bytes) -> bytes:
             block@0: // L6
                 let tmp%0#0: uint64 = (txn NumAppArgs)
-                let val1#0: any = (setbit 0x00 0u tmp%0#0)
+                let val1#0: bytes = (setbit 0x00 0u tmp%0#0)
                 let tmp%1#0: uint64 = (extract_uint16 values#0 0u)
                 let tmp%2#0: uint64 = (!= tmp%1#0 2u)
                 goto tmp%2#0 ? block@1 : block@2
diff --git a/test_cases/typed_abi_call/out/Greeter.ssa.ir b/test_cases/typed_abi_call/out/Greeter.ssa.ir
index c246f52c4a..9bc65e7f98 100644
--- a/test_cases/typed_abi_call/out/Greeter.ssa.ir
+++ b/test_cases/typed_abi_call/out/Greeter.ssa.ir
@@ -1289,9 +1289,9 @@ contract test_cases.typed_abi_call.typed_c2c.Greeter:
                 itxn_begin
                 let inner_txn_params%4%%param_TypeEnum_idx_0#0: uint64 = appl
                 let inner_txn_params%4%%TypeEnum_length#0: uint64 = 1u
-                let tmp%8#0: any = (setbit 0x00 0u 1u)
+                let tmp%8#0: bytes = (setbit 0x00 0u 1u)
                 let inner_txn_params%4%%param_ApplicationArgs_idx_0#0: bytes = method "log_bool(bool)void"
-                let inner_txn_params%4%%param_ApplicationArgs_idx_1#0: any = tmp%8#0
+                let inner_txn_params%4%%param_ApplicationArgs_idx_1#0: bytes = tmp%8#0
                 let inner_txn_params%4%%ApplicationArgs_length#0: uint64 = 2u
                 let inner_txn_params%4%%param_Fee_idx_0#0: uint64 = 0u
                 let inner_txn_params%4%%Fee_length#0: uint64 = 1u
diff --git a/test_cases/typed_abi_call/out/Greeter.ssa.opt_pass_1.ir b/test_cases/typed_abi_call/out/Greeter.ssa.opt_pass_1.ir
index 5fc0429a60..0f39e14b8e 100644
--- a/test_cases/typed_abi_call/out/Greeter.ssa.opt_pass_1.ir
+++ b/test_cases/typed_abi_call/out/Greeter.ssa.opt_pass_1.ir
@@ -193,7 +193,7 @@ contract test_cases.typed_abi_call.typed_c2c.Greeter:
                 let tmp%7#0: uint64 = (== txn%%LastLog#3 "4")
                 (assert tmp%7#0)
                 itxn_begin
-                let tmp%8#0: any = 0x80
+                let tmp%8#0: bytes = 0x80
                 ((itxn_field ApplicationID) app#0)
                 ((itxn_field Fee) 0u)
                 ((itxn_field ApplicationArgs) method "log_bool(bool)void")
diff --git a/test_cases/typed_abi_call/out_unoptimized/Greeter.destructured.ir b/test_cases/typed_abi_call/out_unoptimized/Greeter.destructured.ir
index e19b25d703..98b8edf45a 100644
--- a/test_cases/typed_abi_call/out_unoptimized/Greeter.destructured.ir
+++ b/test_cases/typed_abi_call/out_unoptimized/Greeter.destructured.ir
@@ -285,9 +285,9 @@ contract test_cases.typed_abi_call.typed_c2c.Greeter:
                 (assert tmp%7#0)
                 itxn_begin
                 let inner_txn_params%4%%param_TypeEnum_idx_0#0: uint64 = appl
-                let tmp%8#0: any = (setbit 0x00 0u 1u)
+                let tmp%8#0: bytes = (setbit 0x00 0u 1u)
                 let inner_txn_params%4%%param_ApplicationArgs_idx_0#0: bytes = method "log_bool(bool)void"
-                let inner_txn_params%4%%param_ApplicationArgs_idx_1#0: any = tmp%8#0
+                let inner_txn_params%4%%param_ApplicationArgs_idx_1#0: bytes = tmp%8#0
                 let inner_txn_params%4%%param_Fee_idx_0#0: uint64 = 0u
                 let inner_txn_params%4%%param_ApplicationID_idx_0#0: uint64 = app#0
                 ((itxn_field ApplicationID) inner_txn_params%4%%param_ApplicationID_idx_0#0)