From fedabe772f76c06908e9d7f1c30161a6e7f575d0 Mon Sep 17 00:00:00 2001
From: Yi Xu <xy_xuyi@foxmail.com>
Date: Mon, 23 May 2022 14:47:32 +0800
Subject: [PATCH] [Bug] [type] Fix frontend type check for reading a whole
 bit_struct

---
 taichi/ir/frontend_ir.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/taichi/ir/frontend_ir.cpp b/taichi/ir/frontend_ir.cpp
index 745e82e6dc752..e5fcb6d18cf83 100644
--- a/taichi/ir/frontend_ir.cpp
+++ b/taichi/ir/frontend_ir.cpp
@@ -318,7 +318,8 @@ void GlobalVariableExpression::flatten(FlattenContext *ctx) {
 void GlobalPtrExpression::type_check(CompileConfig *) {
   // Currently, dimension compatibility check happens in Python
   if (snode != nullptr) {
-    ret_type = snode->dt;
+    TI_ASSERT(snode->dt->is<BitStructType>());
+    ret_type = snode->dt->cast<BitStructType>()->get_physical_type();
   } else if (var.is<GlobalVariableExpression>()) {
     ret_type =
         var.cast<GlobalVariableExpression>()->snode->dt->get_compute_type();