From b2f9c9770abc647faec8f8f1f274b7f3e3eb6aa8 Mon Sep 17 00:00:00 2001
From: Kiva <imkiva@islovely.icu>
Date: Fri, 19 Jan 2024 20:51:17 +0800
Subject: [PATCH] [Clang][XTHeadVector] Add vector unit-stride segment
 load/store intrinsics (#56)

* [Clang][XTHeadVector] Add `th_vlseg<nf>e<eew>_v`

* [Clang][XTHeadVector] Add `th_vlseg<nf>e<eew>ff_v`

* [Clang][XTHeadVector] Add `th_vlseg<nf><b/h/w>_v`

* [Clang][XTHeadVector] Fix Unit-stride segment load

* [Clang][XTHeadVector] Test Unit-stride segment load

* [Clang][XTHeadVector] Add Unit-stride segment store

* [Clang][XTHeadVector] Test Unit-stride segment store

* [NFC][XTHeadVector] Update README
---
 README.md                                     |   2 +
 .../clang/Basic/riscv_vector_xtheadv.td       | 215 ++++++++++++++++++
 .../zvlsseg/unit-stride/vlseg2b.c             |  16 ++
 .../zvlsseg/unit-stride/vlseg2e16.c           |  96 ++++++++
 .../zvlsseg/unit-stride/vlseg2e16ff.c         | 150 ++++++++++++
 .../zvlsseg/unit-stride/vlseg2e32.c           |  96 ++++++++
 .../zvlsseg/unit-stride/vlseg2e32ff.c         | 150 ++++++++++++
 .../zvlsseg/unit-stride/vlseg2e64.c           |  96 ++++++++
 .../zvlsseg/unit-stride/vlseg2e64ff.c         | 150 ++++++++++++
 .../zvlsseg/unit-stride/vlseg2e8.c            |  66 ++++++
 .../zvlsseg/unit-stride/vlseg2e8ff.c          | 102 +++++++++
 .../zvlsseg/unit-stride/vlseg3e16.c           |  66 ++++++
 .../zvlsseg/unit-stride/vlseg3e16ff.c         | 114 ++++++++++
 .../zvlsseg/unit-stride/vlseg3e32.c           |  66 ++++++
 .../zvlsseg/unit-stride/vlseg3e32ff.c         | 114 ++++++++++
 .../zvlsseg/unit-stride/vlseg3e64.c           |  66 ++++++
 .../zvlsseg/unit-stride/vlseg3e64ff.c         | 114 ++++++++++
 .../zvlsseg/unit-stride/vlseg3e8.c            |  46 ++++
 .../zvlsseg/unit-stride/vlseg3e8ff.c          |  78 +++++++
 .../zvlsseg/unit-stride/vlseg4e16.c           |  66 ++++++
 .../zvlsseg/unit-stride/vlseg4e16ff.c         | 126 ++++++++++
 .../zvlsseg/unit-stride/vlseg4e32.c           |  66 ++++++
 .../zvlsseg/unit-stride/vlseg4e32ff.c         | 127 +++++++++++
 .../zvlsseg/unit-stride/vlseg4e64.c           |  66 ++++++
 .../zvlsseg/unit-stride/vlseg4e64ff.c         | 126 ++++++++++
 .../zvlsseg/unit-stride/vlseg4e8.c            |  46 ++++
 .../zvlsseg/unit-stride/vlseg4e8ff.c          |  86 +++++++
 .../zvlsseg/unit-stride/vlseg5e16.c           |  36 +++
 .../zvlsseg/unit-stride/vlseg5e16ff.c         |  72 ++++++
 .../zvlsseg/unit-stride/vlseg5e32.c           |  38 ++++
 .../zvlsseg/unit-stride/vlseg5e32ff.c         |  72 ++++++
 .../zvlsseg/unit-stride/vlseg5e64.c           |  36 +++
 .../zvlsseg/unit-stride/vlseg5e64ff.c         |  72 ++++++
 .../zvlsseg/unit-stride/vlseg5e8.c            |  26 +++
 .../zvlsseg/unit-stride/vlseg5e8ff.c          |  50 ++++
 .../zvlsseg/unit-stride/vlseg6e16.c           |  36 +++
 .../zvlsseg/unit-stride/vlseg6e16ff.c         |  78 +++++++
 .../zvlsseg/unit-stride/vlseg6e32.c           |  36 +++
 .../zvlsseg/unit-stride/vlseg6e32ff.c         |  78 +++++++
 .../zvlsseg/unit-stride/vlseg6e64.c           |  36 +++
 .../zvlsseg/unit-stride/vlseg6e64ff.c         |  78 +++++++
 .../zvlsseg/unit-stride/vlseg6e8.c            |  26 +++
 .../zvlsseg/unit-stride/vlseg6e8ff.c          |  54 +++++
 .../zvlsseg/unit-stride/vlseg7e16.c           |  36 +++
 .../zvlsseg/unit-stride/vlseg7e16ff.c         |  84 +++++++
 .../zvlsseg/unit-stride/vlseg7e32.c           |  36 +++
 .../zvlsseg/unit-stride/vlseg7e32ff.c         |  84 +++++++
 .../zvlsseg/unit-stride/vlseg7e64.c           |  36 +++
 .../zvlsseg/unit-stride/vlseg7e64ff.c         |  84 +++++++
 .../zvlsseg/unit-stride/vlseg7e8.c            |  27 +++
 .../zvlsseg/unit-stride/vlseg7e8ff.c          |  58 +++++
 .../zvlsseg/unit-stride/vlseg8e16.c           |  36 +++
 .../zvlsseg/unit-stride/vlseg8e16ff.c         |  90 ++++++++
 .../zvlsseg/unit-stride/vlseg8e32.c           |  36 +++
 .../zvlsseg/unit-stride/vlseg8e32ff.c         |  90 ++++++++
 .../zvlsseg/unit-stride/vlseg8e64.c           |  36 +++
 .../zvlsseg/unit-stride/vlseg8e64ff.c         |  90 ++++++++
 .../zvlsseg/unit-stride/vlseg8e8.c            |  27 +++
 .../zvlsseg/unit-stride/vlseg8e8ff.c          |  62 +++++
 .../zvlsseg/unit-stride/vsseg2e8.c            |  90 ++++++++
 .../include/llvm/IR/IntrinsicsRISCVXTHeadV.td |  10 +-
 61 files changed, 4344 insertions(+), 4 deletions(-)
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg2b.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg2e16.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg2e16ff.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg2e32.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg2e32ff.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg2e64.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg2e64ff.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg2e8.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg2e8ff.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg3e16.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg3e16ff.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg3e32.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg3e32ff.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg3e64.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg3e64ff.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg3e8.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg3e8ff.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg4e16.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg4e16ff.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg4e32.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg4e32ff.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg4e64.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg4e64ff.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg4e8.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg4e8ff.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg5e16.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg5e16ff.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg5e32.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg5e32ff.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg5e64.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg5e64ff.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg5e8.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg5e8ff.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg6e16.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg6e16ff.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg6e32.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg6e32ff.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg6e64.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg6e64ff.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg6e8.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg6e8ff.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg7e16.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg7e16ff.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg7e32.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg7e32ff.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg7e64.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg7e64ff.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg7e8.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg7e8ff.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg8e16.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg8e16ff.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg8e32.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg8e32ff.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg8e64.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg8e64ff.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg8e8.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg8e8ff.c
 create mode 100644 clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vsseg2e8.c

diff --git a/README.md b/README.md
index 70fcf0b2d4eba2..e1c163734497f1 100644
--- a/README.md
+++ b/README.md
@@ -52,6 +52,8 @@ Any feature not listed below but present in the specification should be consider
     - (Done) `7.2. Vector Strided Load/Store Operations`
     - (Done) `7.3. Vector Indexed Load/Store Operations`
     - (Done) `7.4 Unit-stride Fault-Only-First Loads Operations`
+    - (WIP) `7.5. Vector Load/Store Segment Operations (Zvlsseg)`
+      - (Done) `7.5.1. Vector Unit-Stride Segment Loads and Stores`
 
 ## Q & A
 
diff --git a/clang/include/clang/Basic/riscv_vector_xtheadv.td b/clang/include/clang/Basic/riscv_vector_xtheadv.td
index 9f0226f4580326..89c372942a02ec 100644
--- a/clang/include/clang/Basic/riscv_vector_xtheadv.td
+++ b/clang/include/clang/Basic/riscv_vector_xtheadv.td
@@ -58,6 +58,7 @@ multiclass RVVIntBinBuiltinSet
     : RVVSignedBinBuiltinSet,
       RVVUnsignedBinBuiltinSet;
 
+defvar NFList = [2, 3, 4, 5, 6, 7, 8];
 defvar TypeList = ["c", "s", "i", "l", "x", "f", "d"];
 defvar EEWList = [["8", "(Log2EEW:3)"],
                   ["16", "(Log2EEW:4)"],
@@ -560,6 +561,220 @@ defm th_vle16ff: RVVVLEFFBuiltin<"th_vleff", ["s","x"]>;  // i16, f16
 defm th_vle32ff: RVVVLEFFBuiltin<"th_vleff", ["i", "f"]>; // i32, f32
 defm th_vle64ff: RVVVLEFFBuiltin<"th_vleff", ["l", "d"]>; // i64, f64
 
+// 7.5.1 Vector Unit-stride Segment Loads (Zvlsseg)
+
+multiclass RVVUSSegLoad<string ir, string bhwe, bit with_eew, list<string> types> {
+  foreach type = types in {
+    defvar eew = !cond(!eq(type, "c") : "8",
+                       !eq(type, "s") : "16",
+                       !eq(type, "i") : "32",
+                       !eq(type, "l") : "64",
+                       !eq(type, "x") : "16",
+                       !eq(type, "f") : "32",
+                       !eq(type, "d") : "64");
+      foreach nf = NFList in {
+        let Name = ir # nf # bhwe # !if(with_eew, eew, "") # "_v",
+            IRName = ir # nf # bhwe,
+            MaskedIRName = ir # nf # bhwe # "_mask",
+            NF = nf,
+            ManualCodegen = [{
+    {
+      llvm::Type *ElementVectorType = cast<StructType>(ResultType)->elements()[0];
+      IntrinsicTypes = {ElementVectorType, Ops.back()->getType()};
+      SmallVector<llvm::Value*, 12> Operands;
+
+      bool NoPassthru =
+        (IsMasked && (PolicyAttrs & RVV_VTA) && (PolicyAttrs & RVV_VMA)) |
+        (!IsMasked && (PolicyAttrs & RVV_VTA));
+      unsigned Offset = IsMasked ? NoPassthru ? 1 : 2 : NoPassthru ? 0 : 1;
+
+      if (NoPassthru) { // Push poison into passthru
+        Operands.append(NF, llvm::PoisonValue::get(ElementVectorType));
+      } else { // Push intrinsics operands into passthru
+        llvm::Value *PassthruOperand = IsMasked ? Ops[1] : Ops[0];
+        for (unsigned I = 0; I < NF; ++I)
+          Operands.push_back(Builder.CreateExtractValue(PassthruOperand, {I}));
+      }
+
+      Operands.push_back(Ops[Offset]); // Ptr
+      if (IsMasked)
+        Operands.push_back(Ops[0]);
+      Operands.push_back(Ops[Offset + 1]); // VL
+      if (IsMasked)
+        Operands.push_back(ConstantInt::get(Ops.back()->getType(), PolicyAttrs));
+
+      llvm::Function *F = CGM.getIntrinsic(ID, IntrinsicTypes);
+
+      llvm::Value *LoadValue = Builder.CreateCall(F, Operands, "");
+      if (ReturnValue.isNull())
+        return LoadValue;
+      else
+        return Builder.CreateStore(LoadValue, ReturnValue.getValue());
+    }
+    }] in {
+        defvar T = "(Tuple:" # nf # ")";
+        def : RVVBuiltin<T # "v", T # "vPCe", type>;
+        if !not(IsFloat<type>.val) then {
+          def : RVVBuiltin<T # "Uv", T # "UvPCUe", type>;
+        }
+      }
+    }
+  }
+}
+
+// 7.5.1 Vector Unit-stride Segment Stores (Zvlsseg)
+multiclass RVVUSSegStore<string ir, string bhwe, bit with_eew, list<string> types> {
+  foreach type = types in {
+    defvar eew = !cond(!eq(type, "c") : "8",
+                       !eq(type, "s") : "16",
+                       !eq(type, "i") : "32",
+                       !eq(type, "l") : "64",
+                       !eq(type, "x") : "16",
+                       !eq(type, "f") : "32",
+                       !eq(type, "d") : "64");
+      foreach nf = NFList in {
+      let Name = ir # nf # bhwe # !if(with_eew, eew, "") # "_v",
+          IRName = ir # nf # bhwe,
+          MaskedIRName = ir # nf # bhwe # "_mask",
+          NF = nf,
+          HasMaskedOffOperand = false,
+          ManualCodegen = [{
+    {
+      // Masked
+      // Builtin: (mask, ptr, v_tuple, vl)
+      // Intrinsic: (val0, val1, ..., ptr, mask, vl)
+      // Unmasked
+      // Builtin: (ptr, v_tuple, vl)
+      // Intrinsic: (val0, val1, ..., ptr, vl)
+      unsigned Offset = IsMasked ? 1 : 0;
+      llvm::Value *VTupleOperand = Ops[Offset + 1];
+
+      SmallVector<llvm::Value*, 12> Operands;
+      for (unsigned I = 0; I < NF; ++I) {
+        llvm::Value *V = Builder.CreateExtractValue(VTupleOperand, {I});
+        Operands.push_back(V);
+      }
+      Operands.push_back(Ops[Offset]); // Ptr
+      if (IsMasked)
+        Operands.push_back(Ops[0]);
+      Operands.push_back(Ops[Offset + 2]); // VL
+
+      IntrinsicTypes = {Operands[0]->getType(), Operands.back()->getType()};
+      llvm::Function *F = CGM.getIntrinsic(ID, IntrinsicTypes);
+      return Builder.CreateCall(F, Operands, "");
+   }
+      }] in {
+        defvar T = "(Tuple:" # nf # ")";
+        def : RVVBuiltin<T # "v", "0Pe" # T # "v", type>;
+        if !not(IsFloat<type>.val) then {
+          def : RVVBuiltin<T # "Uv", "0PUe" # T # "Uv", type>;
+        }
+      }
+    }
+  }
+}
+
+// 7.5.1 Vector Unit-stride Segment Loads Fault-Only-First  (Zvlsseg)
+multiclass RVVUSSegLoadFF<string ir, string bhwe, bit with_eew, list<string> types> {
+  foreach type = types in {
+    defvar eew = !cond(!eq(type, "c") : "8",
+                       !eq(type, "s") : "16",
+                       !eq(type, "i") : "32",
+                       !eq(type, "l") : "64",
+                       !eq(type, "x") : "16",
+                       !eq(type, "f") : "32",
+                       !eq(type, "d") : "64");
+      foreach nf = NFList in {
+        let Name = ir # nf # bhwe # !if(with_eew, eew, "") # "ff_v",
+            IRName = ir # nf # bhwe # "ff",
+            MaskedIRName = ir # nf # "eff_mask",
+            NF = nf,
+            ManualCodegen = [{
+    {
+      llvm::Type *ElementVectorType = cast<StructType>(ResultType)->elements()[0];
+      IntrinsicTypes = {ElementVectorType, Ops.back()->getType()};
+      SmallVector<llvm::Value*, 12> Operands;
+
+      bool NoPassthru =
+        (IsMasked && (PolicyAttrs & RVV_VTA) && (PolicyAttrs & RVV_VMA)) |
+        (!IsMasked && (PolicyAttrs & RVV_VTA));
+      unsigned Offset = IsMasked ? NoPassthru ? 1 : 2 : NoPassthru ? 0 : 1;
+
+      if (NoPassthru) { // Push poison into passthru
+        Operands.append(NF, llvm::PoisonValue::get(ElementVectorType));
+      } else { // Push intrinsics operands into passthru
+        llvm::Value *PassthruOperand = IsMasked ? Ops[1] : Ops[0];
+        for (unsigned I = 0; I < NF; ++I)
+          Operands.push_back(Builder.CreateExtractValue(PassthruOperand, {I}));
+      }
+
+      Operands.push_back(Ops[Offset]); // Ptr
+      if (IsMasked)
+        Operands.push_back(Ops[0]);
+      Operands.push_back(Ops[Offset + 2]); // vl
+      if (IsMasked)
+        Operands.push_back(ConstantInt::get(Ops.back()->getType(), PolicyAttrs));
+
+      llvm::Function *F = CGM.getIntrinsic(ID, IntrinsicTypes);
+
+      llvm::Value *LoadValue = Builder.CreateCall(F, Operands, "");
+      // Get alignment from the new vl operand
+      clang::CharUnits Align =
+          CGM.getNaturalPointeeTypeAlignment(E->getArg(Offset + 1)->getType());
+
+      llvm::Value *ReturnTuple = llvm::PoisonValue::get(ResultType);
+      for (unsigned I = 0; I < NF; ++I) {
+        llvm::Value *V = Builder.CreateExtractValue(LoadValue, {I});
+        ReturnTuple = Builder.CreateInsertValue(ReturnTuple, V, {I});
+      }
+
+      // Store new_vl
+      llvm::Value *V = Builder.CreateExtractValue(LoadValue, {NF});
+      Builder.CreateStore(V, Address(Ops[Offset + 1], V->getType(), Align));
+
+      if (ReturnValue.isNull())
+        return ReturnTuple;
+      else
+        return Builder.CreateStore(ReturnTuple, ReturnValue.getValue());
+    }
+    }] in {
+        defvar T = "(Tuple:" # nf # ")";
+        def : RVVBuiltin<T # "v", T # "vPCePz", type>;
+        if !not(IsFloat<type>.val) then {
+          def : RVVBuiltin<T # "Uv", T # "UvPCUePz", type>;
+        }
+      }
+    }
+  }
+}
+
+// 7.5. Vector Load/Store Segment Operations (Zvlsseg)
+
+let UnMaskedPolicyScheme = HasPassthruOperand,
+    IsTuple = true in {
+  // Unit-stride segment load
+  defm :   RVVUSSegLoad<"th_vlseg", "b", 0, TypeList>;
+  defm :   RVVUSSegLoad<"th_vlseg", "h", 0, TypeList>;
+  defm :   RVVUSSegLoad<"th_vlseg", "w", 0, TypeList>;
+  defm :   RVVUSSegLoad<"th_vlseg", "e", 1, TypeList>;
+  defm : RVVUSSegLoadFF<"th_vlseg", "e", 1, TypeList>;
+
+  // TODO: indexed segment load
+  // defm : RVVSSegLoadEEW<"th_vlsseg", TypeList>;
+}
+
+let UnMaskedPolicyScheme = NonePolicy,
+    MaskedPolicyScheme = NonePolicy,
+    IsTuple = true in {
+  defm : RVVUSSegStore<"th_vsseg", "b", 0, TypeList>;
+  defm : RVVUSSegStore<"th_vsseg", "h", 0, TypeList>;
+  defm : RVVUSSegStore<"th_vsseg", "w", 0, TypeList>;
+  defm : RVVUSSegStore<"th_vsseg", "e", 1, TypeList>;
+
+  // TODO: indexed segment store
+  // defm : RVVSSegStoreEEW<"th_vssseg", TypeList>;
+}
+
 //===----------------------------------------------------------------------===//
 // 12. Vector Integer Arithmetic Operations
 //===----------------------------------------------------------------------===//
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg2b.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg2b.c
new file mode 100644
index 00000000000000..3f9988848a8977
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg2b.c
@@ -0,0 +1,16 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x i8>, <vscale x 8 x i8> } @test_th_vlseg2b_v_i8m1x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x i8>, <vscale x 8 x i8> } @llvm.riscv.th.vlseg2b.nxv8i8.i64(<vscale x 8 x i8> poison, <vscale x 8 x i8> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP0]]
+//
+vint8m1x2_t test_th_vlseg2b_v_i8m1x2(const int8_t *base, size_t vl) {
+  return __riscv_th_vlseg2b_v_i8m1x2(base, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg2e16.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg2e16.c
new file mode 100644
index 00000000000000..e518c3601552f7
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg2e16.c
@@ -0,0 +1,96 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x half>, <vscale x 4 x half> } @test_th_vlseg2e16_v_f16m1x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x half>, <vscale x 4 x half> } @llvm.riscv.th.vlseg2e.nxv4f16.i64(<vscale x 4 x half> poison, <vscale x 4 x half> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x half>, <vscale x 4 x half> } [[TMP0]]
+//
+vfloat16m1x2_t test_th_vlseg2e16_v_f16m1x2(const _Float16 *base, size_t vl) {
+  return __riscv_th_vlseg2e16_v_f16m1x2(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x half>, <vscale x 8 x half> } @test_th_vlseg2e16_v_f16m2x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x half>, <vscale x 8 x half> } @llvm.riscv.th.vlseg2e.nxv8f16.i64(<vscale x 8 x half> poison, <vscale x 8 x half> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x half>, <vscale x 8 x half> } [[TMP0]]
+//
+vfloat16m2x2_t test_th_vlseg2e16_v_f16m2x2(const _Float16 *base, size_t vl) {
+  return __riscv_th_vlseg2e16_v_f16m2x2(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 16 x half>, <vscale x 16 x half> } @test_th_vlseg2e16_v_f16m4x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 16 x half>, <vscale x 16 x half> } @llvm.riscv.th.vlseg2e.nxv16f16.i64(<vscale x 16 x half> poison, <vscale x 16 x half> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 16 x half>, <vscale x 16 x half> } [[TMP0]]
+//
+vfloat16m4x2_t test_th_vlseg2e16_v_f16m4x2(const _Float16 *base, size_t vl) {
+  return __riscv_th_vlseg2e16_v_f16m4x2(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x i16>, <vscale x 4 x i16> } @test_th_vlseg2e16_v_i16m1x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x i16>, <vscale x 4 x i16> } @llvm.riscv.th.vlseg2e.nxv4i16.i64(<vscale x 4 x i16> poison, <vscale x 4 x i16> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP0]]
+//
+vint16m1x2_t test_th_vlseg2e16_v_i16m1x2(const int16_t *base, size_t vl) {
+  return __riscv_th_vlseg2e16_v_i16m1x2(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x i16>, <vscale x 8 x i16> } @test_th_vlseg2e16_v_i16m2x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x i16>, <vscale x 8 x i16> } @llvm.riscv.th.vlseg2e.nxv8i16.i64(<vscale x 8 x i16> poison, <vscale x 8 x i16> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x i16>, <vscale x 8 x i16> } [[TMP0]]
+//
+vint16m2x2_t test_th_vlseg2e16_v_i16m2x2(const int16_t *base, size_t vl) {
+  return __riscv_th_vlseg2e16_v_i16m2x2(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 16 x i16>, <vscale x 16 x i16> } @test_th_vlseg2e16_v_i16m4x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 16 x i16>, <vscale x 16 x i16> } @llvm.riscv.th.vlseg2e.nxv16i16.i64(<vscale x 16 x i16> poison, <vscale x 16 x i16> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 16 x i16>, <vscale x 16 x i16> } [[TMP0]]
+//
+vint16m4x2_t test_th_vlseg2e16_v_i16m4x2(const int16_t *base, size_t vl) {
+  return __riscv_th_vlseg2e16_v_i16m4x2(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x i16>, <vscale x 4 x i16> } @test_th_vlseg2e16_v_u16m1x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x i16>, <vscale x 4 x i16> } @llvm.riscv.th.vlseg2e.nxv4i16.i64(<vscale x 4 x i16> poison, <vscale x 4 x i16> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP0]]
+//
+vuint16m1x2_t test_th_vlseg2e16_v_u16m1x2(const uint16_t *base, size_t vl) {
+  return __riscv_th_vlseg2e16_v_u16m1x2(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x i16>, <vscale x 8 x i16> } @test_th_vlseg2e16_v_u16m2x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x i16>, <vscale x 8 x i16> } @llvm.riscv.th.vlseg2e.nxv8i16.i64(<vscale x 8 x i16> poison, <vscale x 8 x i16> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x i16>, <vscale x 8 x i16> } [[TMP0]]
+//
+vuint16m2x2_t test_th_vlseg2e16_v_u16m2x2(const uint16_t *base, size_t vl) {
+  return __riscv_th_vlseg2e16_v_u16m2x2(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 16 x i16>, <vscale x 16 x i16> } @test_th_vlseg2e16_v_u16m4x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 16 x i16>, <vscale x 16 x i16> } @llvm.riscv.th.vlseg2e.nxv16i16.i64(<vscale x 16 x i16> poison, <vscale x 16 x i16> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 16 x i16>, <vscale x 16 x i16> } [[TMP0]]
+//
+vuint16m4x2_t test_th_vlseg2e16_v_u16m4x2(const uint16_t *base, size_t vl) {
+  return __riscv_th_vlseg2e16_v_u16m4x2(base, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg2e16ff.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg2e16ff.c
new file mode 100644
index 00000000000000..28449279958e77
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg2e16ff.c
@@ -0,0 +1,150 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x half>, <vscale x 4 x half> } @test_th_vlseg2e16ff_v_f16m1x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x half>, <vscale x 4 x half>, i64 } @llvm.riscv.th.vlseg2eff.nxv4f16.i64(<vscale x 4 x half> poison, <vscale x 4 x half> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 4 x half>, <vscale x 4 x half>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 4 x half>, <vscale x 4 x half> } poison, <vscale x 4 x half> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 4 x half>, <vscale x 4 x half>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 4 x half>, <vscale x 4 x half> } [[TMP2]], <vscale x 4 x half> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 4 x half>, <vscale x 4 x half>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    store i64 [[TMP5]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x half>, <vscale x 4 x half> } [[TMP4]]
+//
+vfloat16m1x2_t test_th_vlseg2e16ff_v_f16m1x2(const _Float16 *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg2e16ff_v_f16m1x2(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x half>, <vscale x 8 x half> } @test_th_vlseg2e16ff_v_f16m2x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x half>, <vscale x 8 x half>, i64 } @llvm.riscv.th.vlseg2eff.nxv8f16.i64(<vscale x 8 x half> poison, <vscale x 8 x half> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 8 x half>, <vscale x 8 x half>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 8 x half>, <vscale x 8 x half> } poison, <vscale x 8 x half> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 8 x half>, <vscale x 8 x half>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 8 x half>, <vscale x 8 x half> } [[TMP2]], <vscale x 8 x half> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 8 x half>, <vscale x 8 x half>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    store i64 [[TMP5]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x half>, <vscale x 8 x half> } [[TMP4]]
+//
+vfloat16m2x2_t test_th_vlseg2e16ff_v_f16m2x2(const _Float16 *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg2e16ff_v_f16m2x2(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 16 x half>, <vscale x 16 x half> } @test_th_vlseg2e16ff_v_f16m4x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 16 x half>, <vscale x 16 x half>, i64 } @llvm.riscv.th.vlseg2eff.nxv16f16.i64(<vscale x 16 x half> poison, <vscale x 16 x half> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 16 x half>, <vscale x 16 x half>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 16 x half>, <vscale x 16 x half> } poison, <vscale x 16 x half> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 16 x half>, <vscale x 16 x half>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 16 x half>, <vscale x 16 x half> } [[TMP2]], <vscale x 16 x half> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 16 x half>, <vscale x 16 x half>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    store i64 [[TMP5]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 16 x half>, <vscale x 16 x half> } [[TMP4]]
+//
+vfloat16m4x2_t test_th_vlseg2e16ff_v_f16m4x2(const _Float16 *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg2e16ff_v_f16m4x2(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x i16>, <vscale x 4 x i16> } @test_th_vlseg2e16ff_v_i16m1x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } @llvm.riscv.th.vlseg2eff.nxv4i16.i64(<vscale x 4 x i16> poison, <vscale x 4 x i16> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16> } poison, <vscale x 4 x i16> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP2]], <vscale x 4 x i16> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    store i64 [[TMP5]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP4]]
+//
+vint16m1x2_t test_th_vlseg2e16ff_v_i16m1x2(const int16_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg2e16ff_v_i16m1x2(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x i16>, <vscale x 8 x i16> } @test_th_vlseg2e16ff_v_i16m2x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x i16>, <vscale x 8 x i16>, i64 } @llvm.riscv.th.vlseg2eff.nxv8i16.i64(<vscale x 8 x i16> poison, <vscale x 8 x i16> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 8 x i16>, <vscale x 8 x i16>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 8 x i16>, <vscale x 8 x i16> } poison, <vscale x 8 x i16> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 8 x i16>, <vscale x 8 x i16>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 8 x i16>, <vscale x 8 x i16> } [[TMP2]], <vscale x 8 x i16> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 8 x i16>, <vscale x 8 x i16>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    store i64 [[TMP5]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x i16>, <vscale x 8 x i16> } [[TMP4]]
+//
+vint16m2x2_t test_th_vlseg2e16ff_v_i16m2x2(const int16_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg2e16ff_v_i16m2x2(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 16 x i16>, <vscale x 16 x i16> } @test_th_vlseg2e16ff_v_i16m4x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 16 x i16>, <vscale x 16 x i16>, i64 } @llvm.riscv.th.vlseg2eff.nxv16i16.i64(<vscale x 16 x i16> poison, <vscale x 16 x i16> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 16 x i16>, <vscale x 16 x i16>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 16 x i16>, <vscale x 16 x i16> } poison, <vscale x 16 x i16> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 16 x i16>, <vscale x 16 x i16>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 16 x i16>, <vscale x 16 x i16> } [[TMP2]], <vscale x 16 x i16> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 16 x i16>, <vscale x 16 x i16>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    store i64 [[TMP5]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 16 x i16>, <vscale x 16 x i16> } [[TMP4]]
+//
+vint16m4x2_t test_th_vlseg2e16ff_v_i16m4x2(const int16_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg2e16ff_v_i16m4x2(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x i16>, <vscale x 4 x i16> } @test_th_vlseg2e16ff_v_u16m1x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } @llvm.riscv.th.vlseg2eff.nxv4i16.i64(<vscale x 4 x i16> poison, <vscale x 4 x i16> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16> } poison, <vscale x 4 x i16> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP2]], <vscale x 4 x i16> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    store i64 [[TMP5]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP4]]
+//
+vuint16m1x2_t test_th_vlseg2e16ff_v_u16m1x2(const uint16_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg2e16ff_v_u16m1x2(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x i16>, <vscale x 8 x i16> } @test_th_vlseg2e16ff_v_u16m2x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x i16>, <vscale x 8 x i16>, i64 } @llvm.riscv.th.vlseg2eff.nxv8i16.i64(<vscale x 8 x i16> poison, <vscale x 8 x i16> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 8 x i16>, <vscale x 8 x i16>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 8 x i16>, <vscale x 8 x i16> } poison, <vscale x 8 x i16> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 8 x i16>, <vscale x 8 x i16>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 8 x i16>, <vscale x 8 x i16> } [[TMP2]], <vscale x 8 x i16> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 8 x i16>, <vscale x 8 x i16>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    store i64 [[TMP5]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x i16>, <vscale x 8 x i16> } [[TMP4]]
+//
+vuint16m2x2_t test_th_vlseg2e16ff_v_u16m2x2(const uint16_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg2e16ff_v_u16m2x2(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 16 x i16>, <vscale x 16 x i16> } @test_th_vlseg2e16ff_v_u16m4x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 16 x i16>, <vscale x 16 x i16>, i64 } @llvm.riscv.th.vlseg2eff.nxv16i16.i64(<vscale x 16 x i16> poison, <vscale x 16 x i16> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 16 x i16>, <vscale x 16 x i16>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 16 x i16>, <vscale x 16 x i16> } poison, <vscale x 16 x i16> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 16 x i16>, <vscale x 16 x i16>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 16 x i16>, <vscale x 16 x i16> } [[TMP2]], <vscale x 16 x i16> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 16 x i16>, <vscale x 16 x i16>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    store i64 [[TMP5]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 16 x i16>, <vscale x 16 x i16> } [[TMP4]]
+//
+vuint16m4x2_t test_th_vlseg2e16ff_v_u16m4x2(const uint16_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg2e16ff_v_u16m4x2(base, new_vl, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg2e32.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg2e32.c
new file mode 100644
index 00000000000000..3d585e15ccedb4
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg2e32.c
@@ -0,0 +1,96 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x float>, <vscale x 2 x float> } @test_th_vlseg2e32_v_f32m1x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x float>, <vscale x 2 x float> } @llvm.riscv.th.vlseg2e.nxv2f32.i64(<vscale x 2 x float> poison, <vscale x 2 x float> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x float>, <vscale x 2 x float> } [[TMP0]]
+//
+vfloat32m1x2_t test_th_vlseg2e32_v_f32m1x2(const float *base, size_t vl) {
+  return __riscv_th_vlseg2e32_v_f32m1x2(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x float>, <vscale x 4 x float> } @test_th_vlseg2e32_v_f32m2x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x float>, <vscale x 4 x float> } @llvm.riscv.th.vlseg2e.nxv4f32.i64(<vscale x 4 x float> poison, <vscale x 4 x float> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x float>, <vscale x 4 x float> } [[TMP0]]
+//
+vfloat32m2x2_t test_th_vlseg2e32_v_f32m2x2(const float *base, size_t vl) {
+  return __riscv_th_vlseg2e32_v_f32m2x2(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x float>, <vscale x 8 x float> } @test_th_vlseg2e32_v_f32m4x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x float>, <vscale x 8 x float> } @llvm.riscv.th.vlseg2e.nxv8f32.i64(<vscale x 8 x float> poison, <vscale x 8 x float> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x float>, <vscale x 8 x float> } [[TMP0]]
+//
+vfloat32m4x2_t test_th_vlseg2e32_v_f32m4x2(const float *base, size_t vl) {
+  return __riscv_th_vlseg2e32_v_f32m4x2(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x i32>, <vscale x 2 x i32> } @test_th_vlseg2e32_v_i32m1x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x i32>, <vscale x 2 x i32> } @llvm.riscv.th.vlseg2e.nxv2i32.i64(<vscale x 2 x i32> poison, <vscale x 2 x i32> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP0]]
+//
+vint32m1x2_t test_th_vlseg2e32_v_i32m1x2(const int32_t *base, size_t vl) {
+  return __riscv_th_vlseg2e32_v_i32m1x2(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x i32>, <vscale x 4 x i32> } @test_th_vlseg2e32_v_i32m2x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x i32>, <vscale x 4 x i32> } @llvm.riscv.th.vlseg2e.nxv4i32.i64(<vscale x 4 x i32> poison, <vscale x 4 x i32> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x i32>, <vscale x 4 x i32> } [[TMP0]]
+//
+vint32m2x2_t test_th_vlseg2e32_v_i32m2x2(const int32_t *base, size_t vl) {
+  return __riscv_th_vlseg2e32_v_i32m2x2(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x i32>, <vscale x 8 x i32> } @test_th_vlseg2e32_v_i32m4x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x i32>, <vscale x 8 x i32> } @llvm.riscv.th.vlseg2e.nxv8i32.i64(<vscale x 8 x i32> poison, <vscale x 8 x i32> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x i32>, <vscale x 8 x i32> } [[TMP0]]
+//
+vint32m4x2_t test_th_vlseg2e32_v_i32m4x2(const int32_t *base, size_t vl) {
+  return __riscv_th_vlseg2e32_v_i32m4x2(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x i32>, <vscale x 2 x i32> } @test_th_vlseg2e32_v_u32m1x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x i32>, <vscale x 2 x i32> } @llvm.riscv.th.vlseg2e.nxv2i32.i64(<vscale x 2 x i32> poison, <vscale x 2 x i32> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP0]]
+//
+vuint32m1x2_t test_th_vlseg2e32_v_u32m1x2(const uint32_t *base, size_t vl) {
+  return __riscv_th_vlseg2e32_v_u32m1x2(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x i32>, <vscale x 4 x i32> } @test_th_vlseg2e32_v_u32m2x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x i32>, <vscale x 4 x i32> } @llvm.riscv.th.vlseg2e.nxv4i32.i64(<vscale x 4 x i32> poison, <vscale x 4 x i32> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x i32>, <vscale x 4 x i32> } [[TMP0]]
+//
+vuint32m2x2_t test_th_vlseg2e32_v_u32m2x2(const uint32_t *base, size_t vl) {
+  return __riscv_th_vlseg2e32_v_u32m2x2(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x i32>, <vscale x 8 x i32> } @test_th_vlseg2e32_v_u32m4x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x i32>, <vscale x 8 x i32> } @llvm.riscv.th.vlseg2e.nxv8i32.i64(<vscale x 8 x i32> poison, <vscale x 8 x i32> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x i32>, <vscale x 8 x i32> } [[TMP0]]
+//
+vuint32m4x2_t test_th_vlseg2e32_v_u32m4x2(const uint32_t *base, size_t vl) {
+  return __riscv_th_vlseg2e32_v_u32m4x2(base, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg2e32ff.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg2e32ff.c
new file mode 100644
index 00000000000000..dd62acfcaa463d
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg2e32ff.c
@@ -0,0 +1,150 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x float>, <vscale x 2 x float> } @test_th_vlseg2e32ff_v_f32m1x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x float>, <vscale x 2 x float>, i64 } @llvm.riscv.th.vlseg2eff.nxv2f32.i64(<vscale x 2 x float> poison, <vscale x 2 x float> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 2 x float>, <vscale x 2 x float>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 2 x float>, <vscale x 2 x float> } poison, <vscale x 2 x float> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 2 x float>, <vscale x 2 x float>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 2 x float>, <vscale x 2 x float> } [[TMP2]], <vscale x 2 x float> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 2 x float>, <vscale x 2 x float>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    store i64 [[TMP5]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x float>, <vscale x 2 x float> } [[TMP4]]
+//
+vfloat32m1x2_t test_th_vlseg2e32ff_v_f32m1x2(const float *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg2e32ff_v_f32m1x2(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x float>, <vscale x 4 x float> } @test_th_vlseg2e32ff_v_f32m2x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x float>, <vscale x 4 x float>, i64 } @llvm.riscv.th.vlseg2eff.nxv4f32.i64(<vscale x 4 x float> poison, <vscale x 4 x float> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 4 x float>, <vscale x 4 x float>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 4 x float>, <vscale x 4 x float> } poison, <vscale x 4 x float> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 4 x float>, <vscale x 4 x float>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 4 x float>, <vscale x 4 x float> } [[TMP2]], <vscale x 4 x float> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 4 x float>, <vscale x 4 x float>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    store i64 [[TMP5]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x float>, <vscale x 4 x float> } [[TMP4]]
+//
+vfloat32m2x2_t test_th_vlseg2e32ff_v_f32m2x2(const float *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg2e32ff_v_f32m2x2(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x float>, <vscale x 8 x float> } @test_th_vlseg2e32ff_v_f32m4x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x float>, <vscale x 8 x float>, i64 } @llvm.riscv.th.vlseg2eff.nxv8f32.i64(<vscale x 8 x float> poison, <vscale x 8 x float> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 8 x float>, <vscale x 8 x float>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 8 x float>, <vscale x 8 x float> } poison, <vscale x 8 x float> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 8 x float>, <vscale x 8 x float>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 8 x float>, <vscale x 8 x float> } [[TMP2]], <vscale x 8 x float> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 8 x float>, <vscale x 8 x float>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    store i64 [[TMP5]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x float>, <vscale x 8 x float> } [[TMP4]]
+//
+vfloat32m4x2_t test_th_vlseg2e32ff_v_f32m4x2(const float *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg2e32ff_v_f32m4x2(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x i32>, <vscale x 2 x i32> } @test_th_vlseg2e32ff_v_i32m1x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } @llvm.riscv.th.vlseg2eff.nxv2i32.i64(<vscale x 2 x i32> poison, <vscale x 2 x i32> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32> } poison, <vscale x 2 x i32> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP2]], <vscale x 2 x i32> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    store i64 [[TMP5]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP4]]
+//
+vint32m1x2_t test_th_vlseg2e32ff_v_i32m1x2(const int32_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg2e32ff_v_i32m1x2(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x i32>, <vscale x 4 x i32> } @test_th_vlseg2e32ff_v_i32m2x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x i32>, <vscale x 4 x i32>, i64 } @llvm.riscv.th.vlseg2eff.nxv4i32.i64(<vscale x 4 x i32> poison, <vscale x 4 x i32> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } poison, <vscale x 4 x i32> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[TMP2]], <vscale x 4 x i32> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    store i64 [[TMP5]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x i32>, <vscale x 4 x i32> } [[TMP4]]
+//
+vint32m2x2_t test_th_vlseg2e32ff_v_i32m2x2(const int32_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg2e32ff_v_i32m2x2(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x i32>, <vscale x 8 x i32> } @test_th_vlseg2e32ff_v_i32m4x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x i32>, <vscale x 8 x i32>, i64 } @llvm.riscv.th.vlseg2eff.nxv8i32.i64(<vscale x 8 x i32> poison, <vscale x 8 x i32> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 8 x i32>, <vscale x 8 x i32>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 8 x i32>, <vscale x 8 x i32> } poison, <vscale x 8 x i32> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 8 x i32>, <vscale x 8 x i32>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 8 x i32>, <vscale x 8 x i32> } [[TMP2]], <vscale x 8 x i32> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 8 x i32>, <vscale x 8 x i32>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    store i64 [[TMP5]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x i32>, <vscale x 8 x i32> } [[TMP4]]
+//
+vint32m4x2_t test_th_vlseg2e32ff_v_i32m4x2(const int32_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg2e32ff_v_i32m4x2(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x i32>, <vscale x 2 x i32> } @test_th_vlseg2e32ff_v_u32m1x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } @llvm.riscv.th.vlseg2eff.nxv2i32.i64(<vscale x 2 x i32> poison, <vscale x 2 x i32> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32> } poison, <vscale x 2 x i32> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP2]], <vscale x 2 x i32> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    store i64 [[TMP5]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP4]]
+//
+vuint32m1x2_t test_th_vlseg2e32ff_v_u32m1x2(const uint32_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg2e32ff_v_u32m1x2(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x i32>, <vscale x 4 x i32> } @test_th_vlseg2e32ff_v_u32m2x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x i32>, <vscale x 4 x i32>, i64 } @llvm.riscv.th.vlseg2eff.nxv4i32.i64(<vscale x 4 x i32> poison, <vscale x 4 x i32> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } poison, <vscale x 4 x i32> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[TMP2]], <vscale x 4 x i32> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    store i64 [[TMP5]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x i32>, <vscale x 4 x i32> } [[TMP4]]
+//
+vuint32m2x2_t test_th_vlseg2e32ff_v_u32m2x2(const uint32_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg2e32ff_v_u32m2x2(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x i32>, <vscale x 8 x i32> } @test_th_vlseg2e32ff_v_u32m4x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x i32>, <vscale x 8 x i32>, i64 } @llvm.riscv.th.vlseg2eff.nxv8i32.i64(<vscale x 8 x i32> poison, <vscale x 8 x i32> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 8 x i32>, <vscale x 8 x i32>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 8 x i32>, <vscale x 8 x i32> } poison, <vscale x 8 x i32> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 8 x i32>, <vscale x 8 x i32>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 8 x i32>, <vscale x 8 x i32> } [[TMP2]], <vscale x 8 x i32> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 8 x i32>, <vscale x 8 x i32>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    store i64 [[TMP5]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x i32>, <vscale x 8 x i32> } [[TMP4]]
+//
+vuint32m4x2_t test_th_vlseg2e32ff_v_u32m4x2(const uint32_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg2e32ff_v_u32m4x2(base, new_vl, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg2e64.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg2e64.c
new file mode 100644
index 00000000000000..d520c29ae11912
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg2e64.c
@@ -0,0 +1,96 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 1 x double>, <vscale x 1 x double> } @test_th_vlseg2e64_v_f64m1x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 1 x double>, <vscale x 1 x double> } @llvm.riscv.th.vlseg2e.nxv1f64.i64(<vscale x 1 x double> poison, <vscale x 1 x double> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 1 x double>, <vscale x 1 x double> } [[TMP0]]
+//
+vfloat64m1x2_t test_th_vlseg2e64_v_f64m1x2(const double *base, size_t vl) {
+  return __riscv_th_vlseg2e64_v_f64m1x2(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x double>, <vscale x 2 x double> } @test_th_vlseg2e64_v_f64m2x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x double>, <vscale x 2 x double> } @llvm.riscv.th.vlseg2e.nxv2f64.i64(<vscale x 2 x double> poison, <vscale x 2 x double> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x double>, <vscale x 2 x double> } [[TMP0]]
+//
+vfloat64m2x2_t test_th_vlseg2e64_v_f64m2x2(const double *base, size_t vl) {
+  return __riscv_th_vlseg2e64_v_f64m2x2(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x double>, <vscale x 4 x double> } @test_th_vlseg2e64_v_f64m4x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x double>, <vscale x 4 x double> } @llvm.riscv.th.vlseg2e.nxv4f64.i64(<vscale x 4 x double> poison, <vscale x 4 x double> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x double>, <vscale x 4 x double> } [[TMP0]]
+//
+vfloat64m4x2_t test_th_vlseg2e64_v_f64m4x2(const double *base, size_t vl) {
+  return __riscv_th_vlseg2e64_v_f64m4x2(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 1 x i64>, <vscale x 1 x i64> } @test_th_vlseg2e64_v_i64m1x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 1 x i64>, <vscale x 1 x i64> } @llvm.riscv.th.vlseg2e.nxv1i64.i64(<vscale x 1 x i64> poison, <vscale x 1 x i64> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP0]]
+//
+vint64m1x2_t test_th_vlseg2e64_v_i64m1x2(const int64_t *base, size_t vl) {
+  return __riscv_th_vlseg2e64_v_i64m1x2(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x i64>, <vscale x 2 x i64> } @test_th_vlseg2e64_v_i64m2x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x i64>, <vscale x 2 x i64> } @llvm.riscv.th.vlseg2e.nxv2i64.i64(<vscale x 2 x i64> poison, <vscale x 2 x i64> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x i64>, <vscale x 2 x i64> } [[TMP0]]
+//
+vint64m2x2_t test_th_vlseg2e64_v_i64m2x2(const int64_t *base, size_t vl) {
+  return __riscv_th_vlseg2e64_v_i64m2x2(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x i64>, <vscale x 4 x i64> } @test_th_vlseg2e64_v_i64m4x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x i64>, <vscale x 4 x i64> } @llvm.riscv.th.vlseg2e.nxv4i64.i64(<vscale x 4 x i64> poison, <vscale x 4 x i64> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x i64>, <vscale x 4 x i64> } [[TMP0]]
+//
+vint64m4x2_t test_th_vlseg2e64_v_i64m4x2(const int64_t *base, size_t vl) {
+  return __riscv_th_vlseg2e64_v_i64m4x2(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 1 x i64>, <vscale x 1 x i64> } @test_th_vlseg2e64_v_u64m1x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 1 x i64>, <vscale x 1 x i64> } @llvm.riscv.th.vlseg2e.nxv1i64.i64(<vscale x 1 x i64> poison, <vscale x 1 x i64> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP0]]
+//
+vuint64m1x2_t test_th_vlseg2e64_v_u64m1x2(const uint64_t *base, size_t vl) {
+  return __riscv_th_vlseg2e64_v_u64m1x2(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x i64>, <vscale x 2 x i64> } @test_th_vlseg2e64_v_u64m2x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x i64>, <vscale x 2 x i64> } @llvm.riscv.th.vlseg2e.nxv2i64.i64(<vscale x 2 x i64> poison, <vscale x 2 x i64> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x i64>, <vscale x 2 x i64> } [[TMP0]]
+//
+vuint64m2x2_t test_th_vlseg2e64_v_u64m2x2(const uint64_t *base, size_t vl) {
+  return __riscv_th_vlseg2e64_v_u64m2x2(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x i64>, <vscale x 4 x i64> } @test_th_vlseg2e64_v_u64m4x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x i64>, <vscale x 4 x i64> } @llvm.riscv.th.vlseg2e.nxv4i64.i64(<vscale x 4 x i64> poison, <vscale x 4 x i64> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x i64>, <vscale x 4 x i64> } [[TMP0]]
+//
+vuint64m4x2_t test_th_vlseg2e64_v_u64m4x2(const uint64_t *base, size_t vl) {
+  return __riscv_th_vlseg2e64_v_u64m4x2(base, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg2e64ff.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg2e64ff.c
new file mode 100644
index 00000000000000..4fce5607e5de65
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg2e64ff.c
@@ -0,0 +1,150 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 1 x double>, <vscale x 1 x double> } @test_th_vlseg2e64ff_v_f64m1x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 1 x double>, <vscale x 1 x double>, i64 } @llvm.riscv.th.vlseg2eff.nxv1f64.i64(<vscale x 1 x double> poison, <vscale x 1 x double> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 1 x double>, <vscale x 1 x double>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 1 x double>, <vscale x 1 x double> } poison, <vscale x 1 x double> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 1 x double>, <vscale x 1 x double>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 1 x double>, <vscale x 1 x double> } [[TMP2]], <vscale x 1 x double> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 1 x double>, <vscale x 1 x double>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    store i64 [[TMP5]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 1 x double>, <vscale x 1 x double> } [[TMP4]]
+//
+vfloat64m1x2_t test_th_vlseg2e64ff_v_f64m1x2(const double *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg2e64ff_v_f64m1x2(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x double>, <vscale x 2 x double> } @test_th_vlseg2e64ff_v_f64m2x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x double>, <vscale x 2 x double>, i64 } @llvm.riscv.th.vlseg2eff.nxv2f64.i64(<vscale x 2 x double> poison, <vscale x 2 x double> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 2 x double>, <vscale x 2 x double>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 2 x double>, <vscale x 2 x double> } poison, <vscale x 2 x double> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 2 x double>, <vscale x 2 x double>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 2 x double>, <vscale x 2 x double> } [[TMP2]], <vscale x 2 x double> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 2 x double>, <vscale x 2 x double>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    store i64 [[TMP5]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x double>, <vscale x 2 x double> } [[TMP4]]
+//
+vfloat64m2x2_t test_th_vlseg2e64ff_v_f64m2x2(const double *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg2e64ff_v_f64m2x2(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x double>, <vscale x 4 x double> } @test_th_vlseg2e64ff_v_f64m4x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x double>, <vscale x 4 x double>, i64 } @llvm.riscv.th.vlseg2eff.nxv4f64.i64(<vscale x 4 x double> poison, <vscale x 4 x double> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 4 x double>, <vscale x 4 x double>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 4 x double>, <vscale x 4 x double> } poison, <vscale x 4 x double> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 4 x double>, <vscale x 4 x double>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 4 x double>, <vscale x 4 x double> } [[TMP2]], <vscale x 4 x double> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 4 x double>, <vscale x 4 x double>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    store i64 [[TMP5]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x double>, <vscale x 4 x double> } [[TMP4]]
+//
+vfloat64m4x2_t test_th_vlseg2e64ff_v_f64m4x2(const double *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg2e64ff_v_f64m4x2(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 1 x i64>, <vscale x 1 x i64> } @test_th_vlseg2e64ff_v_i64m1x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } @llvm.riscv.th.vlseg2eff.nxv1i64.i64(<vscale x 1 x i64> poison, <vscale x 1 x i64> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64> } poison, <vscale x 1 x i64> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP2]], <vscale x 1 x i64> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    store i64 [[TMP5]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP4]]
+//
+vint64m1x2_t test_th_vlseg2e64ff_v_i64m1x2(const int64_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg2e64ff_v_i64m1x2(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x i64>, <vscale x 2 x i64> } @test_th_vlseg2e64ff_v_i64m2x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x i64>, <vscale x 2 x i64>, i64 } @llvm.riscv.th.vlseg2eff.nxv2i64.i64(<vscale x 2 x i64> poison, <vscale x 2 x i64> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 2 x i64>, <vscale x 2 x i64>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 2 x i64>, <vscale x 2 x i64> } poison, <vscale x 2 x i64> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 2 x i64>, <vscale x 2 x i64>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 2 x i64>, <vscale x 2 x i64> } [[TMP2]], <vscale x 2 x i64> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 2 x i64>, <vscale x 2 x i64>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    store i64 [[TMP5]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x i64>, <vscale x 2 x i64> } [[TMP4]]
+//
+vint64m2x2_t test_th_vlseg2e64ff_v_i64m2x2(const int64_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg2e64ff_v_i64m2x2(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x i64>, <vscale x 4 x i64> } @test_th_vlseg2e64ff_v_i64m4x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x i64>, <vscale x 4 x i64>, i64 } @llvm.riscv.th.vlseg2eff.nxv4i64.i64(<vscale x 4 x i64> poison, <vscale x 4 x i64> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 4 x i64>, <vscale x 4 x i64>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 4 x i64>, <vscale x 4 x i64> } poison, <vscale x 4 x i64> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 4 x i64>, <vscale x 4 x i64>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 4 x i64>, <vscale x 4 x i64> } [[TMP2]], <vscale x 4 x i64> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 4 x i64>, <vscale x 4 x i64>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    store i64 [[TMP5]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x i64>, <vscale x 4 x i64> } [[TMP4]]
+//
+vint64m4x2_t test_th_vlseg2e64ff_v_i64m4x2(const int64_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg2e64ff_v_i64m4x2(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 1 x i64>, <vscale x 1 x i64> } @test_th_vlseg2e64ff_v_u64m1x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } @llvm.riscv.th.vlseg2eff.nxv1i64.i64(<vscale x 1 x i64> poison, <vscale x 1 x i64> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64> } poison, <vscale x 1 x i64> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP2]], <vscale x 1 x i64> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    store i64 [[TMP5]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP4]]
+//
+vuint64m1x2_t test_th_vlseg2e64ff_v_u64m1x2(const uint64_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg2e64ff_v_u64m1x2(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x i64>, <vscale x 2 x i64> } @test_th_vlseg2e64ff_v_u64m2x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x i64>, <vscale x 2 x i64>, i64 } @llvm.riscv.th.vlseg2eff.nxv2i64.i64(<vscale x 2 x i64> poison, <vscale x 2 x i64> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 2 x i64>, <vscale x 2 x i64>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 2 x i64>, <vscale x 2 x i64> } poison, <vscale x 2 x i64> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 2 x i64>, <vscale x 2 x i64>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 2 x i64>, <vscale x 2 x i64> } [[TMP2]], <vscale x 2 x i64> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 2 x i64>, <vscale x 2 x i64>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    store i64 [[TMP5]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x i64>, <vscale x 2 x i64> } [[TMP4]]
+//
+vuint64m2x2_t test_th_vlseg2e64ff_v_u64m2x2(const uint64_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg2e64ff_v_u64m2x2(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x i64>, <vscale x 4 x i64> } @test_th_vlseg2e64ff_v_u64m4x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x i64>, <vscale x 4 x i64>, i64 } @llvm.riscv.th.vlseg2eff.nxv4i64.i64(<vscale x 4 x i64> poison, <vscale x 4 x i64> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 4 x i64>, <vscale x 4 x i64>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 4 x i64>, <vscale x 4 x i64> } poison, <vscale x 4 x i64> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 4 x i64>, <vscale x 4 x i64>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 4 x i64>, <vscale x 4 x i64> } [[TMP2]], <vscale x 4 x i64> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 4 x i64>, <vscale x 4 x i64>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    store i64 [[TMP5]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x i64>, <vscale x 4 x i64> } [[TMP4]]
+//
+vuint64m4x2_t test_th_vlseg2e64ff_v_u64m4x2(const uint64_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg2e64ff_v_u64m4x2(base, new_vl, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg2e8.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg2e8.c
new file mode 100644
index 00000000000000..ccbca53edc1108
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg2e8.c
@@ -0,0 +1,66 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x i8>, <vscale x 8 x i8> } @test_th_vlseg2e8_v_i8m1x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x i8>, <vscale x 8 x i8> } @llvm.riscv.th.vlseg2e.nxv8i8.i64(<vscale x 8 x i8> poison, <vscale x 8 x i8> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP0]]
+//
+vint8m1x2_t test_th_vlseg2e8_v_i8m1x2(const int8_t *base, size_t vl) {
+  return __riscv_th_vlseg2e8_v_i8m1x2(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 16 x i8>, <vscale x 16 x i8> } @test_th_vlseg2e8_v_i8m2x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 16 x i8>, <vscale x 16 x i8> } @llvm.riscv.th.vlseg2e.nxv16i8.i64(<vscale x 16 x i8> poison, <vscale x 16 x i8> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 16 x i8>, <vscale x 16 x i8> } [[TMP0]]
+//
+vint8m2x2_t test_th_vlseg2e8_v_i8m2x2(const int8_t *base, size_t vl) {
+  return __riscv_th_vlseg2e8_v_i8m2x2(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 32 x i8>, <vscale x 32 x i8> } @test_th_vlseg2e8_v_i8m4x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 32 x i8>, <vscale x 32 x i8> } @llvm.riscv.th.vlseg2e.nxv32i8.i64(<vscale x 32 x i8> poison, <vscale x 32 x i8> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 32 x i8>, <vscale x 32 x i8> } [[TMP0]]
+//
+vint8m4x2_t test_th_vlseg2e8_v_i8m4x2(const int8_t *base, size_t vl) {
+  return __riscv_th_vlseg2e8_v_i8m4x2(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x i8>, <vscale x 8 x i8> } @test_th_vlseg2e8_v_u8m1x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x i8>, <vscale x 8 x i8> } @llvm.riscv.th.vlseg2e.nxv8i8.i64(<vscale x 8 x i8> poison, <vscale x 8 x i8> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP0]]
+//
+vuint8m1x2_t test_th_vlseg2e8_v_u8m1x2(const uint8_t *base, size_t vl) {
+  return __riscv_th_vlseg2e8_v_u8m1x2(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 16 x i8>, <vscale x 16 x i8> } @test_th_vlseg2e8_v_u8m2x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 16 x i8>, <vscale x 16 x i8> } @llvm.riscv.th.vlseg2e.nxv16i8.i64(<vscale x 16 x i8> poison, <vscale x 16 x i8> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 16 x i8>, <vscale x 16 x i8> } [[TMP0]]
+//
+vuint8m2x2_t test_th_vlseg2e8_v_u8m2x2(const uint8_t *base, size_t vl) {
+  return __riscv_th_vlseg2e8_v_u8m2x2(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 32 x i8>, <vscale x 32 x i8> } @test_th_vlseg2e8_v_u8m4x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 32 x i8>, <vscale x 32 x i8> } @llvm.riscv.th.vlseg2e.nxv32i8.i64(<vscale x 32 x i8> poison, <vscale x 32 x i8> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 32 x i8>, <vscale x 32 x i8> } [[TMP0]]
+//
+vuint8m4x2_t test_th_vlseg2e8_v_u8m4x2(const uint8_t *base, size_t vl) {
+  return __riscv_th_vlseg2e8_v_u8m4x2(base, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg2e8ff.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg2e8ff.c
new file mode 100644
index 00000000000000..a8750aa0a8c5fc
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg2e8ff.c
@@ -0,0 +1,102 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x i8>, <vscale x 8 x i8> } @test_th_vlseg2e8ff_v_i8m1x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } @llvm.riscv.th.vlseg2eff.nxv8i8.i64(<vscale x 8 x i8> poison, <vscale x 8 x i8> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8> } poison, <vscale x 8 x i8> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP2]], <vscale x 8 x i8> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    store i64 [[TMP5]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP4]]
+//
+vint8m1x2_t test_th_vlseg2e8ff_v_i8m1x2(const int8_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg2e8ff_v_i8m1x2(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 16 x i8>, <vscale x 16 x i8> } @test_th_vlseg2e8ff_v_i8m2x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 16 x i8>, <vscale x 16 x i8>, i64 } @llvm.riscv.th.vlseg2eff.nxv16i8.i64(<vscale x 16 x i8> poison, <vscale x 16 x i8> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 16 x i8>, <vscale x 16 x i8>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 16 x i8>, <vscale x 16 x i8> } poison, <vscale x 16 x i8> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 16 x i8>, <vscale x 16 x i8>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 16 x i8>, <vscale x 16 x i8> } [[TMP2]], <vscale x 16 x i8> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 16 x i8>, <vscale x 16 x i8>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    store i64 [[TMP5]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 16 x i8>, <vscale x 16 x i8> } [[TMP4]]
+//
+vint8m2x2_t test_th_vlseg2e8ff_v_i8m2x2(const int8_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg2e8ff_v_i8m2x2(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 32 x i8>, <vscale x 32 x i8> } @test_th_vlseg2e8ff_v_i8m4x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 32 x i8>, <vscale x 32 x i8>, i64 } @llvm.riscv.th.vlseg2eff.nxv32i8.i64(<vscale x 32 x i8> poison, <vscale x 32 x i8> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 32 x i8>, <vscale x 32 x i8>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 32 x i8>, <vscale x 32 x i8> } poison, <vscale x 32 x i8> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 32 x i8>, <vscale x 32 x i8>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 32 x i8>, <vscale x 32 x i8> } [[TMP2]], <vscale x 32 x i8> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 32 x i8>, <vscale x 32 x i8>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    store i64 [[TMP5]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 32 x i8>, <vscale x 32 x i8> } [[TMP4]]
+//
+vint8m4x2_t test_th_vlseg2e8ff_v_i8m4x2(const int8_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg2e8ff_v_i8m4x2(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x i8>, <vscale x 8 x i8> } @test_th_vlseg2e8ff_v_u8m1x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } @llvm.riscv.th.vlseg2eff.nxv8i8.i64(<vscale x 8 x i8> poison, <vscale x 8 x i8> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8> } poison, <vscale x 8 x i8> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP2]], <vscale x 8 x i8> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    store i64 [[TMP5]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP4]]
+//
+vuint8m1x2_t test_th_vlseg2e8ff_v_u8m1x2(const uint8_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg2e8ff_v_u8m1x2(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 16 x i8>, <vscale x 16 x i8> } @test_th_vlseg2e8ff_v_u8m2x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 16 x i8>, <vscale x 16 x i8>, i64 } @llvm.riscv.th.vlseg2eff.nxv16i8.i64(<vscale x 16 x i8> poison, <vscale x 16 x i8> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 16 x i8>, <vscale x 16 x i8>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 16 x i8>, <vscale x 16 x i8> } poison, <vscale x 16 x i8> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 16 x i8>, <vscale x 16 x i8>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 16 x i8>, <vscale x 16 x i8> } [[TMP2]], <vscale x 16 x i8> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 16 x i8>, <vscale x 16 x i8>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    store i64 [[TMP5]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 16 x i8>, <vscale x 16 x i8> } [[TMP4]]
+//
+vuint8m2x2_t test_th_vlseg2e8ff_v_u8m2x2(const uint8_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg2e8ff_v_u8m2x2(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 32 x i8>, <vscale x 32 x i8> } @test_th_vlseg2e8ff_v_u8m4x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 32 x i8>, <vscale x 32 x i8>, i64 } @llvm.riscv.th.vlseg2eff.nxv32i8.i64(<vscale x 32 x i8> poison, <vscale x 32 x i8> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 32 x i8>, <vscale x 32 x i8>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 32 x i8>, <vscale x 32 x i8> } poison, <vscale x 32 x i8> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 32 x i8>, <vscale x 32 x i8>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 32 x i8>, <vscale x 32 x i8> } [[TMP2]], <vscale x 32 x i8> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 32 x i8>, <vscale x 32 x i8>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    store i64 [[TMP5]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 32 x i8>, <vscale x 32 x i8> } [[TMP4]]
+//
+vuint8m4x2_t test_th_vlseg2e8ff_v_u8m4x2(const uint8_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg2e8ff_v_u8m4x2(base, new_vl, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg3e16.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg3e16.c
new file mode 100644
index 00000000000000..aa3d4455dc91a6
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg3e16.c
@@ -0,0 +1,66 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } @test_th_vlseg3e16_v_f16m1x3
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } @llvm.riscv.th.vlseg3e.nxv4f16.i64(<vscale x 4 x half> poison, <vscale x 4 x half> poison, <vscale x 4 x half> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } [[TMP0]]
+//
+vfloat16m1x3_t test_th_vlseg3e16_v_f16m1x3(const _Float16 *base, size_t vl) {
+  return __riscv_th_vlseg3e16_v_f16m1x3(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x half>, <vscale x 8 x half>, <vscale x 8 x half> } @test_th_vlseg3e16_v_f16m2x3
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x half>, <vscale x 8 x half>, <vscale x 8 x half> } @llvm.riscv.th.vlseg3e.nxv8f16.i64(<vscale x 8 x half> poison, <vscale x 8 x half> poison, <vscale x 8 x half> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x half>, <vscale x 8 x half>, <vscale x 8 x half> } [[TMP0]]
+//
+vfloat16m2x3_t test_th_vlseg3e16_v_f16m2x3(const _Float16 *base, size_t vl) {
+  return __riscv_th_vlseg3e16_v_f16m2x3(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } @test_th_vlseg3e16_v_i16m1x3
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } @llvm.riscv.th.vlseg3e.nxv4i16.i64(<vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP0]]
+//
+vint16m1x3_t test_th_vlseg3e16_v_i16m1x3(const int16_t *base, size_t vl) {
+  return __riscv_th_vlseg3e16_v_i16m1x3(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16> } @test_th_vlseg3e16_v_i16m2x3
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16> } @llvm.riscv.th.vlseg3e.nxv8i16.i64(<vscale x 8 x i16> poison, <vscale x 8 x i16> poison, <vscale x 8 x i16> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16> } [[TMP0]]
+//
+vint16m2x3_t test_th_vlseg3e16_v_i16m2x3(const int16_t *base, size_t vl) {
+  return __riscv_th_vlseg3e16_v_i16m2x3(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } @test_th_vlseg3e16_v_u16m1x3
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } @llvm.riscv.th.vlseg3e.nxv4i16.i64(<vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP0]]
+//
+vuint16m1x3_t test_th_vlseg3e16_v_u16m1x3(const uint16_t *base, size_t vl) {
+  return __riscv_th_vlseg3e16_v_u16m1x3(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16> } @test_th_vlseg3e16_v_u16m2x3
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16> } @llvm.riscv.th.vlseg3e.nxv8i16.i64(<vscale x 8 x i16> poison, <vscale x 8 x i16> poison, <vscale x 8 x i16> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16> } [[TMP0]]
+//
+vuint16m2x3_t test_th_vlseg3e16_v_u16m2x3(const uint16_t *base, size_t vl) {
+  return __riscv_th_vlseg3e16_v_u16m2x3(base, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg3e16ff.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg3e16ff.c
new file mode 100644
index 00000000000000..399ccc2440dabf
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg3e16ff.c
@@ -0,0 +1,114 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } @test_th_vlseg3e16ff_v_f16m1x3
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, i64 } @llvm.riscv.th.vlseg3eff.nxv4f16.i64(<vscale x 4 x half> poison, <vscale x 4 x half> poison, <vscale x 4 x half> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } poison, <vscale x 4 x half> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } [[TMP2]], <vscale x 4 x half> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } [[TMP4]], <vscale x 4 x half> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    store i64 [[TMP7]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } [[TMP6]]
+//
+vfloat16m1x3_t test_th_vlseg3e16ff_v_f16m1x3(const _Float16 *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg3e16ff_v_f16m1x3(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x half>, <vscale x 8 x half>, <vscale x 8 x half> } @test_th_vlseg3e16ff_v_f16m2x3
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x half>, <vscale x 8 x half>, <vscale x 8 x half>, i64 } @llvm.riscv.th.vlseg3eff.nxv8f16.i64(<vscale x 8 x half> poison, <vscale x 8 x half> poison, <vscale x 8 x half> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 8 x half>, <vscale x 8 x half>, <vscale x 8 x half>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 8 x half>, <vscale x 8 x half>, <vscale x 8 x half> } poison, <vscale x 8 x half> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 8 x half>, <vscale x 8 x half>, <vscale x 8 x half>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 8 x half>, <vscale x 8 x half>, <vscale x 8 x half> } [[TMP2]], <vscale x 8 x half> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 8 x half>, <vscale x 8 x half>, <vscale x 8 x half>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 8 x half>, <vscale x 8 x half>, <vscale x 8 x half> } [[TMP4]], <vscale x 8 x half> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 8 x half>, <vscale x 8 x half>, <vscale x 8 x half>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    store i64 [[TMP7]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x half>, <vscale x 8 x half>, <vscale x 8 x half> } [[TMP6]]
+//
+vfloat16m2x3_t test_th_vlseg3e16ff_v_f16m2x3(const _Float16 *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg3e16ff_v_f16m2x3(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } @test_th_vlseg3e16ff_v_i16m1x3
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } @llvm.riscv.th.vlseg3eff.nxv4i16.i64(<vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } poison, <vscale x 4 x i16> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP2]], <vscale x 4 x i16> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP4]], <vscale x 4 x i16> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    store i64 [[TMP7]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP6]]
+//
+vint16m1x3_t test_th_vlseg3e16ff_v_i16m1x3(const int16_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg3e16ff_v_i16m1x3(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16> } @test_th_vlseg3e16ff_v_i16m2x3
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, i64 } @llvm.riscv.th.vlseg3eff.nxv8i16.i64(<vscale x 8 x i16> poison, <vscale x 8 x i16> poison, <vscale x 8 x i16> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16> } poison, <vscale x 8 x i16> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16> } [[TMP2]], <vscale x 8 x i16> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16> } [[TMP4]], <vscale x 8 x i16> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    store i64 [[TMP7]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16> } [[TMP6]]
+//
+vint16m2x3_t test_th_vlseg3e16ff_v_i16m2x3(const int16_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg3e16ff_v_i16m2x3(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } @test_th_vlseg3e16ff_v_u16m1x3
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } @llvm.riscv.th.vlseg3eff.nxv4i16.i64(<vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } poison, <vscale x 4 x i16> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP2]], <vscale x 4 x i16> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP4]], <vscale x 4 x i16> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    store i64 [[TMP7]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP6]]
+//
+vuint16m1x3_t test_th_vlseg3e16ff_v_u16m1x3(const uint16_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg3e16ff_v_u16m1x3(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16> } @test_th_vlseg3e16ff_v_u16m2x3
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, i64 } @llvm.riscv.th.vlseg3eff.nxv8i16.i64(<vscale x 8 x i16> poison, <vscale x 8 x i16> poison, <vscale x 8 x i16> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16> } poison, <vscale x 8 x i16> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16> } [[TMP2]], <vscale x 8 x i16> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16> } [[TMP4]], <vscale x 8 x i16> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    store i64 [[TMP7]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16> } [[TMP6]]
+//
+vuint16m2x3_t test_th_vlseg3e16ff_v_u16m2x3(const uint16_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg3e16ff_v_u16m2x3(base, new_vl, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg3e32.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg3e32.c
new file mode 100644
index 00000000000000..cb59c40b769a89
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg3e32.c
@@ -0,0 +1,66 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } @test_th_vlseg3e32_v_f32m1x3
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } @llvm.riscv.th.vlseg3e.nxv2f32.i64(<vscale x 2 x float> poison, <vscale x 2 x float> poison, <vscale x 2 x float> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } [[TMP0]]
+//
+vfloat32m1x3_t test_th_vlseg3e32_v_f32m1x3(const float *base, size_t vl) {
+  return __riscv_th_vlseg3e32_v_f32m1x3(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float> } @test_th_vlseg3e32_v_f32m2x3
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float> } @llvm.riscv.th.vlseg3e.nxv4f32.i64(<vscale x 4 x float> poison, <vscale x 4 x float> poison, <vscale x 4 x float> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float> } [[TMP0]]
+//
+vfloat32m2x3_t test_th_vlseg3e32_v_f32m2x3(const float *base, size_t vl) {
+  return __riscv_th_vlseg3e32_v_f32m2x3(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } @test_th_vlseg3e32_v_i32m1x3
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } @llvm.riscv.th.vlseg3e.nxv2i32.i64(<vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP0]]
+//
+vint32m1x3_t test_th_vlseg3e32_v_i32m1x3(const int32_t *base, size_t vl) {
+  return __riscv_th_vlseg3e32_v_i32m1x3(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32> } @test_th_vlseg3e32_v_i32m2x3
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32> } @llvm.riscv.th.vlseg3e.nxv4i32.i64(<vscale x 4 x i32> poison, <vscale x 4 x i32> poison, <vscale x 4 x i32> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32> } [[TMP0]]
+//
+vint32m2x3_t test_th_vlseg3e32_v_i32m2x3(const int32_t *base, size_t vl) {
+  return __riscv_th_vlseg3e32_v_i32m2x3(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } @test_th_vlseg3e32_v_u32m1x3
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } @llvm.riscv.th.vlseg3e.nxv2i32.i64(<vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP0]]
+//
+vuint32m1x3_t test_th_vlseg3e32_v_u32m1x3(const uint32_t *base, size_t vl) {
+  return __riscv_th_vlseg3e32_v_u32m1x3(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32> } @test_th_vlseg3e32_v_u32m2x3
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32> } @llvm.riscv.th.vlseg3e.nxv4i32.i64(<vscale x 4 x i32> poison, <vscale x 4 x i32> poison, <vscale x 4 x i32> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32> } [[TMP0]]
+//
+vuint32m2x3_t test_th_vlseg3e32_v_u32m2x3(const uint32_t *base, size_t vl) {
+  return __riscv_th_vlseg3e32_v_u32m2x3(base, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg3e32ff.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg3e32ff.c
new file mode 100644
index 00000000000000..e23e09547113c7
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg3e32ff.c
@@ -0,0 +1,114 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } @test_th_vlseg3e32ff_v_f32m1x3
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, i64 } @llvm.riscv.th.vlseg3eff.nxv2f32.i64(<vscale x 2 x float> poison, <vscale x 2 x float> poison, <vscale x 2 x float> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } poison, <vscale x 2 x float> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } [[TMP2]], <vscale x 2 x float> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } [[TMP4]], <vscale x 2 x float> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    store i64 [[TMP7]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } [[TMP6]]
+//
+vfloat32m1x3_t test_th_vlseg3e32ff_v_f32m1x3(const float *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg3e32ff_v_f32m1x3(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float> } @test_th_vlseg3e32ff_v_f32m2x3
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float>, i64 } @llvm.riscv.th.vlseg3eff.nxv4f32.i64(<vscale x 4 x float> poison, <vscale x 4 x float> poison, <vscale x 4 x float> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float> } poison, <vscale x 4 x float> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float> } [[TMP2]], <vscale x 4 x float> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float> } [[TMP4]], <vscale x 4 x float> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    store i64 [[TMP7]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float> } [[TMP6]]
+//
+vfloat32m2x3_t test_th_vlseg3e32ff_v_f32m2x3(const float *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg3e32ff_v_f32m2x3(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } @test_th_vlseg3e32ff_v_i32m1x3
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } @llvm.riscv.th.vlseg3eff.nxv2i32.i64(<vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } poison, <vscale x 2 x i32> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP2]], <vscale x 2 x i32> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP4]], <vscale x 2 x i32> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    store i64 [[TMP7]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP6]]
+//
+vint32m1x3_t test_th_vlseg3e32ff_v_i32m1x3(const int32_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg3e32ff_v_i32m1x3(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32> } @test_th_vlseg3e32ff_v_i32m2x3
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, i64 } @llvm.riscv.th.vlseg3eff.nxv4i32.i64(<vscale x 4 x i32> poison, <vscale x 4 x i32> poison, <vscale x 4 x i32> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32> } poison, <vscale x 4 x i32> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32> } [[TMP2]], <vscale x 4 x i32> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32> } [[TMP4]], <vscale x 4 x i32> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    store i64 [[TMP7]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32> } [[TMP6]]
+//
+vint32m2x3_t test_th_vlseg3e32ff_v_i32m2x3(const int32_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg3e32ff_v_i32m2x3(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } @test_th_vlseg3e32ff_v_u32m1x3
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } @llvm.riscv.th.vlseg3eff.nxv2i32.i64(<vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } poison, <vscale x 2 x i32> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP2]], <vscale x 2 x i32> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP4]], <vscale x 2 x i32> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    store i64 [[TMP7]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP6]]
+//
+vuint32m1x3_t test_th_vlseg3e32ff_v_u32m1x3(const uint32_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg3e32ff_v_u32m1x3(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32> } @test_th_vlseg3e32ff_v_u32m2x3
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, i64 } @llvm.riscv.th.vlseg3eff.nxv4i32.i64(<vscale x 4 x i32> poison, <vscale x 4 x i32> poison, <vscale x 4 x i32> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32> } poison, <vscale x 4 x i32> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32> } [[TMP2]], <vscale x 4 x i32> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32> } [[TMP4]], <vscale x 4 x i32> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    store i64 [[TMP7]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32> } [[TMP6]]
+//
+vuint32m2x3_t test_th_vlseg3e32ff_v_u32m2x3(const uint32_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg3e32ff_v_u32m2x3(base, new_vl, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg3e64.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg3e64.c
new file mode 100644
index 00000000000000..d866773d04a9e1
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg3e64.c
@@ -0,0 +1,66 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } @test_th_vlseg3e64_v_f64m1x3
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } @llvm.riscv.th.vlseg3e.nxv1f64.i64(<vscale x 1 x double> poison, <vscale x 1 x double> poison, <vscale x 1 x double> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } [[TMP0]]
+//
+vfloat64m1x3_t test_th_vlseg3e64_v_f64m1x3(const double *base, size_t vl) {
+  return __riscv_th_vlseg3e64_v_f64m1x3(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x double>, <vscale x 2 x double>, <vscale x 2 x double> } @test_th_vlseg3e64_v_f64m2x3
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x double>, <vscale x 2 x double>, <vscale x 2 x double> } @llvm.riscv.th.vlseg3e.nxv2f64.i64(<vscale x 2 x double> poison, <vscale x 2 x double> poison, <vscale x 2 x double> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x double>, <vscale x 2 x double>, <vscale x 2 x double> } [[TMP0]]
+//
+vfloat64m2x3_t test_th_vlseg3e64_v_f64m2x3(const double *base, size_t vl) {
+  return __riscv_th_vlseg3e64_v_f64m2x3(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } @test_th_vlseg3e64_v_i64m1x3
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } @llvm.riscv.th.vlseg3e.nxv1i64.i64(<vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP0]]
+//
+vint64m1x3_t test_th_vlseg3e64_v_i64m1x3(const int64_t *base, size_t vl) {
+  return __riscv_th_vlseg3e64_v_i64m1x3(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64> } @test_th_vlseg3e64_v_i64m2x3
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64> } @llvm.riscv.th.vlseg3e.nxv2i64.i64(<vscale x 2 x i64> poison, <vscale x 2 x i64> poison, <vscale x 2 x i64> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64> } [[TMP0]]
+//
+vint64m2x3_t test_th_vlseg3e64_v_i64m2x3(const int64_t *base, size_t vl) {
+  return __riscv_th_vlseg3e64_v_i64m2x3(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } @test_th_vlseg3e64_v_u64m1x3
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } @llvm.riscv.th.vlseg3e.nxv1i64.i64(<vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP0]]
+//
+vuint64m1x3_t test_th_vlseg3e64_v_u64m1x3(const uint64_t *base, size_t vl) {
+  return __riscv_th_vlseg3e64_v_u64m1x3(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64> } @test_th_vlseg3e64_v_u64m2x3
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64> } @llvm.riscv.th.vlseg3e.nxv2i64.i64(<vscale x 2 x i64> poison, <vscale x 2 x i64> poison, <vscale x 2 x i64> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64> } [[TMP0]]
+//
+vuint64m2x3_t test_th_vlseg3e64_v_u64m2x3(const uint64_t *base, size_t vl) {
+  return __riscv_th_vlseg3e64_v_u64m2x3(base, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg3e64ff.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg3e64ff.c
new file mode 100644
index 00000000000000..4d19a71cdaa94f
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg3e64ff.c
@@ -0,0 +1,114 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } @test_th_vlseg3e64ff_v_f64m1x3
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, i64 } @llvm.riscv.th.vlseg3eff.nxv1f64.i64(<vscale x 1 x double> poison, <vscale x 1 x double> poison, <vscale x 1 x double> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } poison, <vscale x 1 x double> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } [[TMP2]], <vscale x 1 x double> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } [[TMP4]], <vscale x 1 x double> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    store i64 [[TMP7]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } [[TMP6]]
+//
+vfloat64m1x3_t test_th_vlseg3e64ff_v_f64m1x3(const double *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg3e64ff_v_f64m1x3(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x double>, <vscale x 2 x double>, <vscale x 2 x double> } @test_th_vlseg3e64ff_v_f64m2x3
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x double>, <vscale x 2 x double>, <vscale x 2 x double>, i64 } @llvm.riscv.th.vlseg3eff.nxv2f64.i64(<vscale x 2 x double> poison, <vscale x 2 x double> poison, <vscale x 2 x double> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 2 x double>, <vscale x 2 x double>, <vscale x 2 x double>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 2 x double>, <vscale x 2 x double>, <vscale x 2 x double> } poison, <vscale x 2 x double> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 2 x double>, <vscale x 2 x double>, <vscale x 2 x double>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 2 x double>, <vscale x 2 x double>, <vscale x 2 x double> } [[TMP2]], <vscale x 2 x double> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 2 x double>, <vscale x 2 x double>, <vscale x 2 x double>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 2 x double>, <vscale x 2 x double>, <vscale x 2 x double> } [[TMP4]], <vscale x 2 x double> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 2 x double>, <vscale x 2 x double>, <vscale x 2 x double>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    store i64 [[TMP7]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x double>, <vscale x 2 x double>, <vscale x 2 x double> } [[TMP6]]
+//
+vfloat64m2x3_t test_th_vlseg3e64ff_v_f64m2x3(const double *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg3e64ff_v_f64m2x3(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } @test_th_vlseg3e64ff_v_i64m1x3
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } @llvm.riscv.th.vlseg3eff.nxv1i64.i64(<vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } poison, <vscale x 1 x i64> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP2]], <vscale x 1 x i64> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP4]], <vscale x 1 x i64> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    store i64 [[TMP7]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP6]]
+//
+vint64m1x3_t test_th_vlseg3e64ff_v_i64m1x3(const int64_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg3e64ff_v_i64m1x3(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64> } @test_th_vlseg3e64ff_v_i64m2x3
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, i64 } @llvm.riscv.th.vlseg3eff.nxv2i64.i64(<vscale x 2 x i64> poison, <vscale x 2 x i64> poison, <vscale x 2 x i64> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64> } poison, <vscale x 2 x i64> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64> } [[TMP2]], <vscale x 2 x i64> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64> } [[TMP4]], <vscale x 2 x i64> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    store i64 [[TMP7]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64> } [[TMP6]]
+//
+vint64m2x3_t test_th_vlseg3e64ff_v_i64m2x3(const int64_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg3e64ff_v_i64m2x3(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } @test_th_vlseg3e64ff_v_u64m1x3
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } @llvm.riscv.th.vlseg3eff.nxv1i64.i64(<vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } poison, <vscale x 1 x i64> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP2]], <vscale x 1 x i64> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP4]], <vscale x 1 x i64> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    store i64 [[TMP7]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP6]]
+//
+vuint64m1x3_t test_th_vlseg3e64ff_v_u64m1x3(const uint64_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg3e64ff_v_u64m1x3(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64> } @test_th_vlseg3e64ff_v_u64m2x3
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, i64 } @llvm.riscv.th.vlseg3eff.nxv2i64.i64(<vscale x 2 x i64> poison, <vscale x 2 x i64> poison, <vscale x 2 x i64> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64> } poison, <vscale x 2 x i64> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64> } [[TMP2]], <vscale x 2 x i64> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64> } [[TMP4]], <vscale x 2 x i64> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    store i64 [[TMP7]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64> } [[TMP6]]
+//
+vuint64m2x3_t test_th_vlseg3e64ff_v_u64m2x3(const uint64_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg3e64ff_v_u64m2x3(base, new_vl, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg3e8.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg3e8.c
new file mode 100644
index 00000000000000..77aede9507355c
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg3e8.c
@@ -0,0 +1,46 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } @test_th_vlseg3e8_v_i8m1x3
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } @llvm.riscv.th.vlseg3e.nxv8i8.i64(<vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP0]]
+//
+vint8m1x3_t test_th_vlseg3e8_v_i8m1x3(const int8_t *base, size_t vl) {
+  return __riscv_th_vlseg3e8_v_i8m1x3(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8> } @test_th_vlseg3e8_v_i8m2x3
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8> } @llvm.riscv.th.vlseg3e.nxv16i8.i64(<vscale x 16 x i8> poison, <vscale x 16 x i8> poison, <vscale x 16 x i8> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8> } [[TMP0]]
+//
+vint8m2x3_t test_th_vlseg3e8_v_i8m2x3(const int8_t *base, size_t vl) {
+  return __riscv_th_vlseg3e8_v_i8m2x3(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } @test_th_vlseg3e8_v_u8m1x3
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } @llvm.riscv.th.vlseg3e.nxv8i8.i64(<vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP0]]
+//
+vuint8m1x3_t test_th_vlseg3e8_v_u8m1x3(const uint8_t *base, size_t vl) {
+  return __riscv_th_vlseg3e8_v_u8m1x3(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8> } @test_th_vlseg3e8_v_u8m2x3
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8> } @llvm.riscv.th.vlseg3e.nxv16i8.i64(<vscale x 16 x i8> poison, <vscale x 16 x i8> poison, <vscale x 16 x i8> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8> } [[TMP0]]
+//
+vuint8m2x3_t test_th_vlseg3e8_v_u8m2x3(const uint8_t *base, size_t vl) {
+  return __riscv_th_vlseg3e8_v_u8m2x3(base, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg3e8ff.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg3e8ff.c
new file mode 100644
index 00000000000000..e32b4f9fd1d670
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg3e8ff.c
@@ -0,0 +1,78 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } @test_th_vlseg3e8ff_v_i8m1x3
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } @llvm.riscv.th.vlseg3eff.nxv8i8.i64(<vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } poison, <vscale x 8 x i8> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP2]], <vscale x 8 x i8> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP4]], <vscale x 8 x i8> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    store i64 [[TMP7]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP6]]
+//
+vint8m1x3_t test_th_vlseg3e8ff_v_i8m1x3(const int8_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg3e8ff_v_i8m1x3(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8> } @test_th_vlseg3e8ff_v_i8m2x3
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, i64 } @llvm.riscv.th.vlseg3eff.nxv16i8.i64(<vscale x 16 x i8> poison, <vscale x 16 x i8> poison, <vscale x 16 x i8> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8> } poison, <vscale x 16 x i8> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8> } [[TMP2]], <vscale x 16 x i8> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8> } [[TMP4]], <vscale x 16 x i8> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    store i64 [[TMP7]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8> } [[TMP6]]
+//
+vint8m2x3_t test_th_vlseg3e8ff_v_i8m2x3(const int8_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg3e8ff_v_i8m2x3(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } @test_th_vlseg3e8ff_v_u8m1x3
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } @llvm.riscv.th.vlseg3eff.nxv8i8.i64(<vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } poison, <vscale x 8 x i8> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP2]], <vscale x 8 x i8> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP4]], <vscale x 8 x i8> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    store i64 [[TMP7]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP6]]
+//
+vuint8m1x3_t test_th_vlseg3e8ff_v_u8m1x3(const uint8_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg3e8ff_v_u8m1x3(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8> } @test_th_vlseg3e8ff_v_u8m2x3
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, i64 } @llvm.riscv.th.vlseg3eff.nxv16i8.i64(<vscale x 16 x i8> poison, <vscale x 16 x i8> poison, <vscale x 16 x i8> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8> } poison, <vscale x 16 x i8> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8> } [[TMP2]], <vscale x 16 x i8> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8> } [[TMP4]], <vscale x 16 x i8> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    store i64 [[TMP7]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8> } [[TMP6]]
+//
+vuint8m2x3_t test_th_vlseg3e8ff_v_u8m2x3(const uint8_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg3e8ff_v_u8m2x3(base, new_vl, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg4e16.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg4e16.c
new file mode 100644
index 00000000000000..1da0e1561e69b8
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg4e16.c
@@ -0,0 +1,66 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } @test_th_vlseg4e16_v_f16m1x4
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } @llvm.riscv.th.vlseg4e.nxv4f16.i64(<vscale x 4 x half> poison, <vscale x 4 x half> poison, <vscale x 4 x half> poison, <vscale x 4 x half> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } [[TMP0]]
+//
+vfloat16m1x4_t test_th_vlseg4e16_v_f16m1x4(const _Float16 *base, size_t vl) {
+  return __riscv_th_vlseg4e16_v_f16m1x4(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x half>, <vscale x 8 x half>, <vscale x 8 x half>, <vscale x 8 x half> } @test_th_vlseg4e16_v_f16m2x4
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x half>, <vscale x 8 x half>, <vscale x 8 x half>, <vscale x 8 x half> } @llvm.riscv.th.vlseg4e.nxv8f16.i64(<vscale x 8 x half> poison, <vscale x 8 x half> poison, <vscale x 8 x half> poison, <vscale x 8 x half> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x half>, <vscale x 8 x half>, <vscale x 8 x half>, <vscale x 8 x half> } [[TMP0]]
+//
+vfloat16m2x4_t test_th_vlseg4e16_v_f16m2x4(const _Float16 *base, size_t vl) {
+  return __riscv_th_vlseg4e16_v_f16m2x4(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } @test_th_vlseg4e16_v_i16m1x4
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } @llvm.riscv.th.vlseg4e.nxv4i16.i64(<vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP0]]
+//
+vint16m1x4_t test_th_vlseg4e16_v_i16m1x4(const int16_t *base, size_t vl) {
+  return __riscv_th_vlseg4e16_v_i16m1x4(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16> } @test_th_vlseg4e16_v_i16m2x4
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16> } @llvm.riscv.th.vlseg4e.nxv8i16.i64(<vscale x 8 x i16> poison, <vscale x 8 x i16> poison, <vscale x 8 x i16> poison, <vscale x 8 x i16> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16> } [[TMP0]]
+//
+vint16m2x4_t test_th_vlseg4e16_v_i16m2x4(const int16_t *base, size_t vl) {
+  return __riscv_th_vlseg4e16_v_i16m2x4(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } @test_th_vlseg4e16_v_u16m1x4
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } @llvm.riscv.th.vlseg4e.nxv4i16.i64(<vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP0]]
+//
+vuint16m1x4_t test_th_vlseg4e16_v_u16m1x4(const uint16_t *base, size_t vl) {
+  return __riscv_th_vlseg4e16_v_u16m1x4(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16> } @test_th_vlseg4e16_v_u16m2x4
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16> } @llvm.riscv.th.vlseg4e.nxv8i16.i64(<vscale x 8 x i16> poison, <vscale x 8 x i16> poison, <vscale x 8 x i16> poison, <vscale x 8 x i16> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16> } [[TMP0]]
+//
+vuint16m2x4_t test_th_vlseg4e16_v_u16m2x4(const uint16_t *base, size_t vl) {
+  return __riscv_th_vlseg4e16_v_u16m2x4(base, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg4e16ff.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg4e16ff.c
new file mode 100644
index 00000000000000..a1fce9a7487921
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg4e16ff.c
@@ -0,0 +1,126 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } @test_th_vlseg4e16ff_v_f16m1x4
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, i64 } @llvm.riscv.th.vlseg4eff.nxv4f16.i64(<vscale x 4 x half> poison, <vscale x 4 x half> poison, <vscale x 4 x half> poison, <vscale x 4 x half> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } poison, <vscale x 4 x half> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } [[TMP2]], <vscale x 4 x half> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } [[TMP4]], <vscale x 4 x half> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } [[TMP6]], <vscale x 4 x half> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    store i64 [[TMP9]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } [[TMP8]]
+//
+vfloat16m1x4_t test_th_vlseg4e16ff_v_f16m1x4(const _Float16 *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg4e16ff_v_f16m1x4(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x half>, <vscale x 8 x half>, <vscale x 8 x half>, <vscale x 8 x half> } @test_th_vlseg4e16ff_v_f16m2x4
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x half>, <vscale x 8 x half>, <vscale x 8 x half>, <vscale x 8 x half>, i64 } @llvm.riscv.th.vlseg4eff.nxv8f16.i64(<vscale x 8 x half> poison, <vscale x 8 x half> poison, <vscale x 8 x half> poison, <vscale x 8 x half> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 8 x half>, <vscale x 8 x half>, <vscale x 8 x half>, <vscale x 8 x half>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 8 x half>, <vscale x 8 x half>, <vscale x 8 x half>, <vscale x 8 x half> } poison, <vscale x 8 x half> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 8 x half>, <vscale x 8 x half>, <vscale x 8 x half>, <vscale x 8 x half>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 8 x half>, <vscale x 8 x half>, <vscale x 8 x half>, <vscale x 8 x half> } [[TMP2]], <vscale x 8 x half> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 8 x half>, <vscale x 8 x half>, <vscale x 8 x half>, <vscale x 8 x half>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 8 x half>, <vscale x 8 x half>, <vscale x 8 x half>, <vscale x 8 x half> } [[TMP4]], <vscale x 8 x half> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 8 x half>, <vscale x 8 x half>, <vscale x 8 x half>, <vscale x 8 x half>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 8 x half>, <vscale x 8 x half>, <vscale x 8 x half>, <vscale x 8 x half> } [[TMP6]], <vscale x 8 x half> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 8 x half>, <vscale x 8 x half>, <vscale x 8 x half>, <vscale x 8 x half>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    store i64 [[TMP9]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x half>, <vscale x 8 x half>, <vscale x 8 x half>, <vscale x 8 x half> } [[TMP8]]
+//
+vfloat16m2x4_t test_th_vlseg4e16ff_v_f16m2x4(const _Float16 *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg4e16ff_v_f16m2x4(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } @test_th_vlseg4e16ff_v_i16m1x4
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } @llvm.riscv.th.vlseg4eff.nxv4i16.i64(<vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } poison, <vscale x 4 x i16> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP2]], <vscale x 4 x i16> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP4]], <vscale x 4 x i16> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP6]], <vscale x 4 x i16> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    store i64 [[TMP9]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP8]]
+//
+vint16m1x4_t test_th_vlseg4e16ff_v_i16m1x4(const int16_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg4e16ff_v_i16m1x4(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16> } @test_th_vlseg4e16ff_v_i16m2x4
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, i64 } @llvm.riscv.th.vlseg4eff.nxv8i16.i64(<vscale x 8 x i16> poison, <vscale x 8 x i16> poison, <vscale x 8 x i16> poison, <vscale x 8 x i16> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16> } poison, <vscale x 8 x i16> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16> } [[TMP2]], <vscale x 8 x i16> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16> } [[TMP4]], <vscale x 8 x i16> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16> } [[TMP6]], <vscale x 8 x i16> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    store i64 [[TMP9]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16> } [[TMP8]]
+//
+vint16m2x4_t test_th_vlseg4e16ff_v_i16m2x4(const int16_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg4e16ff_v_i16m2x4(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } @test_th_vlseg4e16ff_v_u16m1x4
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } @llvm.riscv.th.vlseg4eff.nxv4i16.i64(<vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } poison, <vscale x 4 x i16> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP2]], <vscale x 4 x i16> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP4]], <vscale x 4 x i16> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP6]], <vscale x 4 x i16> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    store i64 [[TMP9]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP8]]
+//
+vuint16m1x4_t test_th_vlseg4e16ff_v_u16m1x4(const uint16_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg4e16ff_v_u16m1x4(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16> } @test_th_vlseg4e16ff_v_u16m2x4
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, i64 } @llvm.riscv.th.vlseg4eff.nxv8i16.i64(<vscale x 8 x i16> poison, <vscale x 8 x i16> poison, <vscale x 8 x i16> poison, <vscale x 8 x i16> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16> } poison, <vscale x 8 x i16> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16> } [[TMP2]], <vscale x 8 x i16> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16> } [[TMP4]], <vscale x 8 x i16> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16> } [[TMP6]], <vscale x 8 x i16> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    store i64 [[TMP9]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16> } [[TMP8]]
+//
+vuint16m2x4_t test_th_vlseg4e16ff_v_u16m2x4(const uint16_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg4e16ff_v_u16m2x4(base, new_vl, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg4e32.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg4e32.c
new file mode 100644
index 00000000000000..b2e48e37d4cac1
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg4e32.c
@@ -0,0 +1,66 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } @test_th_vlseg4e32_v_f32m1x4
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } @llvm.riscv.th.vlseg4e.nxv2f32.i64(<vscale x 2 x float> poison, <vscale x 2 x float> poison, <vscale x 2 x float> poison, <vscale x 2 x float> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } [[TMP0]]
+//
+vfloat32m1x4_t test_th_vlseg4e32_v_f32m1x4(const float *base, size_t vl) {
+  return __riscv_th_vlseg4e32_v_f32m1x4(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float> } @test_th_vlseg4e32_v_f32m2x4
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float> } @llvm.riscv.th.vlseg4e.nxv4f32.i64(<vscale x 4 x float> poison, <vscale x 4 x float> poison, <vscale x 4 x float> poison, <vscale x 4 x float> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float> } [[TMP0]]
+//
+vfloat32m2x4_t test_th_vlseg4e32_v_f32m2x4(const float *base, size_t vl) {
+  return __riscv_th_vlseg4e32_v_f32m2x4(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } @test_th_vlseg4e32_v_i32m1x4
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } @llvm.riscv.th.vlseg4e.nxv2i32.i64(<vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP0]]
+//
+vint32m1x4_t test_th_vlseg4e32_v_i32m1x4(const int32_t *base, size_t vl) {
+  return __riscv_th_vlseg4e32_v_i32m1x4(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32> } @test_th_vlseg4e32_v_i32m2x4
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32> } @llvm.riscv.th.vlseg4e.nxv4i32.i64(<vscale x 4 x i32> poison, <vscale x 4 x i32> poison, <vscale x 4 x i32> poison, <vscale x 4 x i32> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32> } [[TMP0]]
+//
+vint32m2x4_t test_th_vlseg4e32_v_i32m2x4(const int32_t *base, size_t vl) {
+  return __riscv_th_vlseg4e32_v_i32m2x4(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } @test_th_vlseg4e32_v_u32m1x4
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } @llvm.riscv.th.vlseg4e.nxv2i32.i64(<vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP0]]
+//
+vuint32m1x4_t test_th_vlseg4e32_v_u32m1x4(const uint32_t *base, size_t vl) {
+  return __riscv_th_vlseg4e32_v_u32m1x4(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32> } @test_th_vlseg4e32_v_u32m2x4
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32> } @llvm.riscv.th.vlseg4e.nxv4i32.i64(<vscale x 4 x i32> poison, <vscale x 4 x i32> poison, <vscale x 4 x i32> poison, <vscale x 4 x i32> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32> } [[TMP0]]
+//
+vuint32m2x4_t test_th_vlseg4e32_v_u32m2x4(const uint32_t *base, size_t vl) {
+  return __riscv_th_vlseg4e32_v_u32m2x4(base, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg4e32ff.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg4e32ff.c
new file mode 100644
index 00000000000000..f108a0302ac0cc
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg4e32ff.c
@@ -0,0 +1,127 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } @test_th_vlseg4e32ff_v_f32m1x4
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, i64 } @llvm.riscv.th.vlseg4eff.nxv2f32.i64(<vscale x 2 x float> poison, <vscale x 2 x float> poison, <vscale x 2 x float> poison, <vscale x 2 x float> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } poison, <vscale x 2 x float> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } [[TMP2]], <vscale x 2 x float> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } [[TMP4]], <vscale x 2 x float> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } [[TMP6]], <vscale x 2 x float> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    store i64 [[TMP9]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } [[TMP8]]
+//
+vfloat32m1x4_t test_th_vlseg4e32ff_v_f32m1x4(const float *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg4e32ff_v_f32m1x4(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float> } @test_th_vlseg4e32ff_v_f32m2x4
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float>, i64 } @llvm.riscv.th.vlseg4eff.nxv4f32.i64(<vscale x 4 x float> poison, <vscale x 4 x float> poison, <vscale x 4 x float> poison, <vscale x 4 x float> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float> } poison, <vscale x 4 x float> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float> } [[TMP2]], <vscale x 4 x float> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float> } [[TMP4]], <vscale x 4 x float> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float> } [[TMP6]], <vscale x 4 x float> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    store i64 [[TMP9]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float> } [[TMP8]]
+//
+vfloat32m2x4_t test_th_vlseg4e32ff_v_f32m2x4(const float *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg4e32ff_v_f32m2x4(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } @test_th_vlseg4e32ff_v_i32m1x4
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } @llvm.riscv.th.vlseg4eff.nxv2i32.i64(<vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } poison, <vscale x 2 x i32> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP2]], <vscale x 2 x i32> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP4]], <vscale x 2 x i32> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP6]], <vscale x 2 x i32> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    store i64 [[TMP9]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP8]]
+//
+vint32m1x4_t test_th_vlseg4e32ff_v_i32m1x4(const int32_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg4e32ff_v_i32m1x4(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32> } @test_th_vlseg4e32ff_v_i32m2x4
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, i64 } @llvm.riscv.th.vlseg4eff.nxv4i32.i64(<vscale x 4 x i32> poison, <vscale x 4 x i32> poison, <vscale x 4 x i32> poison, <vscale x 4 x i32> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32> } poison, <vscale x 4 x i32> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32> } [[TMP2]], <vscale x 4 x i32> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32> } [[TMP4]], <vscale x 4 x i32> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32> } [[TMP6]], <vscale x 4 x i32> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    store i64 [[TMP9]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32> } [[TMP8]]
+//
+vint32m2x4_t test_th_vlseg4e32ff_v_i32m2x4(const int32_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg4e32ff_v_i32m2x4(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } @test_th_vlseg4e32ff_v_u32m1x4
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } @llvm.riscv.th.vlseg4eff.nxv2i32.i64(<vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } poison, <vscale x 2 x i32> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP2]], <vscale x 2 x i32> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP4]], <vscale x 2 x i32> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP6]], <vscale x 2 x i32> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    store i64 [[TMP9]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP8]]
+//
+vuint32m1x4_t test_th_vlseg4e32ff_v_u32m1x4(const uint32_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg4e32ff_v_u32m1x4(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32> } @test_th_vlseg4e32ff_v_u32m2x4
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, i64 } @llvm.riscv.th.vlseg4eff.nxv4i32.i64(<vscale x 4 x i32> poison, <vscale x 4 x i32> poison, <vscale x 4 x i32> poison, <vscale x 4 x i32> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32> } poison, <vscale x 4 x i32> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32> } [[TMP2]], <vscale x 4 x i32> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32> } [[TMP4]], <vscale x 4 x i32> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32> } [[TMP6]], <vscale x 4 x i32> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    store i64 [[TMP9]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32> } [[TMP8]]
+//
+vuint32m2x4_t test_th_vlseg4e32ff_v_u32m2x4(const uint32_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg4e32ff_v_u32m2x4(base, new_vl, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg4e64.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg4e64.c
new file mode 100644
index 00000000000000..8eb3dd61dbfc26
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg4e64.c
@@ -0,0 +1,66 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } @test_th_vlseg4e64_v_f64m1x4
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } @llvm.riscv.th.vlseg4e.nxv1f64.i64(<vscale x 1 x double> poison, <vscale x 1 x double> poison, <vscale x 1 x double> poison, <vscale x 1 x double> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } [[TMP0]]
+//
+vfloat64m1x4_t test_th_vlseg4e64_v_f64m1x4(const double *base, size_t vl) {
+  return __riscv_th_vlseg4e64_v_f64m1x4(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x double>, <vscale x 2 x double>, <vscale x 2 x double>, <vscale x 2 x double> } @test_th_vlseg4e64_v_f64m2x4
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x double>, <vscale x 2 x double>, <vscale x 2 x double>, <vscale x 2 x double> } @llvm.riscv.th.vlseg4e.nxv2f64.i64(<vscale x 2 x double> poison, <vscale x 2 x double> poison, <vscale x 2 x double> poison, <vscale x 2 x double> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x double>, <vscale x 2 x double>, <vscale x 2 x double>, <vscale x 2 x double> } [[TMP0]]
+//
+vfloat64m2x4_t test_th_vlseg4e64_v_f64m2x4(const double *base, size_t vl) {
+  return __riscv_th_vlseg4e64_v_f64m2x4(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } @test_th_vlseg4e64_v_i64m1x4
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } @llvm.riscv.th.vlseg4e.nxv1i64.i64(<vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP0]]
+//
+vint64m1x4_t test_th_vlseg4e64_v_i64m1x4(const int64_t *base, size_t vl) {
+  return __riscv_th_vlseg4e64_v_i64m1x4(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64> } @test_th_vlseg4e64_v_i64m2x4
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64> } @llvm.riscv.th.vlseg4e.nxv2i64.i64(<vscale x 2 x i64> poison, <vscale x 2 x i64> poison, <vscale x 2 x i64> poison, <vscale x 2 x i64> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64> } [[TMP0]]
+//
+vint64m2x4_t test_th_vlseg4e64_v_i64m2x4(const int64_t *base, size_t vl) {
+  return __riscv_th_vlseg4e64_v_i64m2x4(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } @test_th_vlseg4e64_v_u64m1x4
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } @llvm.riscv.th.vlseg4e.nxv1i64.i64(<vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP0]]
+//
+vuint64m1x4_t test_th_vlseg4e64_v_u64m1x4(const uint64_t *base, size_t vl) {
+  return __riscv_th_vlseg4e64_v_u64m1x4(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64> } @test_th_vlseg4e64_v_u64m2x4
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64> } @llvm.riscv.th.vlseg4e.nxv2i64.i64(<vscale x 2 x i64> poison, <vscale x 2 x i64> poison, <vscale x 2 x i64> poison, <vscale x 2 x i64> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64> } [[TMP0]]
+//
+vuint64m2x4_t test_th_vlseg4e64_v_u64m2x4(const uint64_t *base, size_t vl) {
+  return __riscv_th_vlseg4e64_v_u64m2x4(base, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg4e64ff.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg4e64ff.c
new file mode 100644
index 00000000000000..60ce8fc78fcd9e
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg4e64ff.c
@@ -0,0 +1,126 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } @test_th_vlseg4e64ff_v_f64m1x4
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, i64 } @llvm.riscv.th.vlseg4eff.nxv1f64.i64(<vscale x 1 x double> poison, <vscale x 1 x double> poison, <vscale x 1 x double> poison, <vscale x 1 x double> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } poison, <vscale x 1 x double> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } [[TMP2]], <vscale x 1 x double> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } [[TMP4]], <vscale x 1 x double> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } [[TMP6]], <vscale x 1 x double> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    store i64 [[TMP9]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } [[TMP8]]
+//
+vfloat64m1x4_t test_th_vlseg4e64ff_v_f64m1x4(const double *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg4e64ff_v_f64m1x4(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x double>, <vscale x 2 x double>, <vscale x 2 x double>, <vscale x 2 x double> } @test_th_vlseg4e64ff_v_f64m2x4
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x double>, <vscale x 2 x double>, <vscale x 2 x double>, <vscale x 2 x double>, i64 } @llvm.riscv.th.vlseg4eff.nxv2f64.i64(<vscale x 2 x double> poison, <vscale x 2 x double> poison, <vscale x 2 x double> poison, <vscale x 2 x double> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 2 x double>, <vscale x 2 x double>, <vscale x 2 x double>, <vscale x 2 x double>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 2 x double>, <vscale x 2 x double>, <vscale x 2 x double>, <vscale x 2 x double> } poison, <vscale x 2 x double> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 2 x double>, <vscale x 2 x double>, <vscale x 2 x double>, <vscale x 2 x double>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 2 x double>, <vscale x 2 x double>, <vscale x 2 x double>, <vscale x 2 x double> } [[TMP2]], <vscale x 2 x double> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 2 x double>, <vscale x 2 x double>, <vscale x 2 x double>, <vscale x 2 x double>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 2 x double>, <vscale x 2 x double>, <vscale x 2 x double>, <vscale x 2 x double> } [[TMP4]], <vscale x 2 x double> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 2 x double>, <vscale x 2 x double>, <vscale x 2 x double>, <vscale x 2 x double>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 2 x double>, <vscale x 2 x double>, <vscale x 2 x double>, <vscale x 2 x double> } [[TMP6]], <vscale x 2 x double> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 2 x double>, <vscale x 2 x double>, <vscale x 2 x double>, <vscale x 2 x double>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    store i64 [[TMP9]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x double>, <vscale x 2 x double>, <vscale x 2 x double>, <vscale x 2 x double> } [[TMP8]]
+//
+vfloat64m2x4_t test_th_vlseg4e64ff_v_f64m2x4(const double *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg4e64ff_v_f64m2x4(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } @test_th_vlseg4e64ff_v_i64m1x4
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } @llvm.riscv.th.vlseg4eff.nxv1i64.i64(<vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } poison, <vscale x 1 x i64> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP2]], <vscale x 1 x i64> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP4]], <vscale x 1 x i64> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP6]], <vscale x 1 x i64> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    store i64 [[TMP9]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP8]]
+//
+vint64m1x4_t test_th_vlseg4e64ff_v_i64m1x4(const int64_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg4e64ff_v_i64m1x4(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64> } @test_th_vlseg4e64ff_v_i64m2x4
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, i64 } @llvm.riscv.th.vlseg4eff.nxv2i64.i64(<vscale x 2 x i64> poison, <vscale x 2 x i64> poison, <vscale x 2 x i64> poison, <vscale x 2 x i64> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64> } poison, <vscale x 2 x i64> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64> } [[TMP2]], <vscale x 2 x i64> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64> } [[TMP4]], <vscale x 2 x i64> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64> } [[TMP6]], <vscale x 2 x i64> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    store i64 [[TMP9]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64> } [[TMP8]]
+//
+vint64m2x4_t test_th_vlseg4e64ff_v_i64m2x4(const int64_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg4e64ff_v_i64m2x4(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } @test_th_vlseg4e64ff_v_u64m1x4
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } @llvm.riscv.th.vlseg4eff.nxv1i64.i64(<vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } poison, <vscale x 1 x i64> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP2]], <vscale x 1 x i64> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP4]], <vscale x 1 x i64> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP6]], <vscale x 1 x i64> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    store i64 [[TMP9]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP8]]
+//
+vuint64m1x4_t test_th_vlseg4e64ff_v_u64m1x4(const uint64_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg4e64ff_v_u64m1x4(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64> } @test_th_vlseg4e64ff_v_u64m2x4
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, i64 } @llvm.riscv.th.vlseg4eff.nxv2i64.i64(<vscale x 2 x i64> poison, <vscale x 2 x i64> poison, <vscale x 2 x i64> poison, <vscale x 2 x i64> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64> } poison, <vscale x 2 x i64> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64> } [[TMP2]], <vscale x 2 x i64> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64> } [[TMP4]], <vscale x 2 x i64> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64> } [[TMP6]], <vscale x 2 x i64> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    store i64 [[TMP9]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64> } [[TMP8]]
+//
+vuint64m2x4_t test_th_vlseg4e64ff_v_u64m2x4(const uint64_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg4e64ff_v_u64m2x4(base, new_vl, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg4e8.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg4e8.c
new file mode 100644
index 00000000000000..38fd28c13af2fd
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg4e8.c
@@ -0,0 +1,46 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } @test_th_vlseg4e8_v_i8m1x4
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } @llvm.riscv.th.vlseg4e.nxv8i8.i64(<vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP0]]
+//
+vint8m1x4_t test_th_vlseg4e8_v_i8m1x4(const int8_t *base, size_t vl) {
+  return __riscv_th_vlseg4e8_v_i8m1x4(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8> } @test_th_vlseg4e8_v_i8m2x4
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8> } @llvm.riscv.th.vlseg4e.nxv16i8.i64(<vscale x 16 x i8> poison, <vscale x 16 x i8> poison, <vscale x 16 x i8> poison, <vscale x 16 x i8> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8> } [[TMP0]]
+//
+vint8m2x4_t test_th_vlseg4e8_v_i8m2x4(const int8_t *base, size_t vl) {
+  return __riscv_th_vlseg4e8_v_i8m2x4(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } @test_th_vlseg4e8_v_u8m1x4
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } @llvm.riscv.th.vlseg4e.nxv8i8.i64(<vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP0]]
+//
+vuint8m1x4_t test_th_vlseg4e8_v_u8m1x4(const uint8_t *base, size_t vl) {
+  return __riscv_th_vlseg4e8_v_u8m1x4(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8> } @test_th_vlseg4e8_v_u8m2x4
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8> } @llvm.riscv.th.vlseg4e.nxv16i8.i64(<vscale x 16 x i8> poison, <vscale x 16 x i8> poison, <vscale x 16 x i8> poison, <vscale x 16 x i8> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8> } [[TMP0]]
+//
+vuint8m2x4_t test_th_vlseg4e8_v_u8m2x4(const uint8_t *base, size_t vl) {
+  return __riscv_th_vlseg4e8_v_u8m2x4(base, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg4e8ff.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg4e8ff.c
new file mode 100644
index 00000000000000..34c31eb708cc17
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg4e8ff.c
@@ -0,0 +1,86 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } @test_th_vlseg4e8ff_v_i8m1x4
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } @llvm.riscv.th.vlseg4eff.nxv8i8.i64(<vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } poison, <vscale x 8 x i8> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP2]], <vscale x 8 x i8> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP4]], <vscale x 8 x i8> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP6]], <vscale x 8 x i8> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    store i64 [[TMP9]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP8]]
+//
+vint8m1x4_t test_th_vlseg4e8ff_v_i8m1x4(const int8_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg4e8ff_v_i8m1x4(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8> } @test_th_vlseg4e8ff_v_i8m2x4
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, i64 } @llvm.riscv.th.vlseg4eff.nxv16i8.i64(<vscale x 16 x i8> poison, <vscale x 16 x i8> poison, <vscale x 16 x i8> poison, <vscale x 16 x i8> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8> } poison, <vscale x 16 x i8> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8> } [[TMP2]], <vscale x 16 x i8> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8> } [[TMP4]], <vscale x 16 x i8> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8> } [[TMP6]], <vscale x 16 x i8> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    store i64 [[TMP9]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8> } [[TMP8]]
+//
+vint8m2x4_t test_th_vlseg4e8ff_v_i8m2x4(const int8_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg4e8ff_v_i8m2x4(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } @test_th_vlseg4e8ff_v_u8m1x4
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } @llvm.riscv.th.vlseg4eff.nxv8i8.i64(<vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } poison, <vscale x 8 x i8> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP2]], <vscale x 8 x i8> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP4]], <vscale x 8 x i8> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP6]], <vscale x 8 x i8> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    store i64 [[TMP9]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP8]]
+//
+vuint8m1x4_t test_th_vlseg4e8ff_v_u8m1x4(const uint8_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg4e8ff_v_u8m1x4(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8> } @test_th_vlseg4e8ff_v_u8m2x4
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, i64 } @llvm.riscv.th.vlseg4eff.nxv16i8.i64(<vscale x 16 x i8> poison, <vscale x 16 x i8> poison, <vscale x 16 x i8> poison, <vscale x 16 x i8> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8> } poison, <vscale x 16 x i8> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8> } [[TMP2]], <vscale x 16 x i8> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8> } [[TMP4]], <vscale x 16 x i8> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8> } [[TMP6]], <vscale x 16 x i8> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    store i64 [[TMP9]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8> } [[TMP8]]
+//
+vuint8m2x4_t test_th_vlseg4e8ff_v_u8m2x4(const uint8_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg4e8ff_v_u8m2x4(base, new_vl, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg5e16.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg5e16.c
new file mode 100644
index 00000000000000..d53e9232697126
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg5e16.c
@@ -0,0 +1,36 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } @test_th_vlseg5e16_v_f16m1x5
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } @llvm.riscv.th.vlseg5e.nxv4f16.i64(<vscale x 4 x half> poison, <vscale x 4 x half> poison, <vscale x 4 x half> poison, <vscale x 4 x half> poison, <vscale x 4 x half> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } [[TMP0]]
+//
+vfloat16m1x5_t test_th_vlseg5e16_v_f16m1x5(const _Float16 *base, size_t vl) {
+  return __riscv_th_vlseg5e16_v_f16m1x5(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } @test_th_vlseg5e16_v_i16m1x5
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } @llvm.riscv.th.vlseg5e.nxv4i16.i64(<vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP0]]
+//
+vint16m1x5_t test_th_vlseg5e16_v_i16m1x5(const int16_t *base, size_t vl) {
+  return __riscv_th_vlseg5e16_v_i16m1x5(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } @test_th_vlseg5e16_v_u16m1x5
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } @llvm.riscv.th.vlseg5e.nxv4i16.i64(<vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP0]]
+//
+vuint16m1x5_t test_th_vlseg5e16_v_u16m1x5(const uint16_t *base, size_t vl) {
+  return __riscv_th_vlseg5e16_v_u16m1x5(base, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg5e16ff.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg5e16ff.c
new file mode 100644
index 00000000000000..d9ff41d52f41f5
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg5e16ff.c
@@ -0,0 +1,72 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } @test_th_vlseg5e16ff_v_f16m1x5
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, i64 } @llvm.riscv.th.vlseg5eff.nxv4f16.i64(<vscale x 4 x half> poison, <vscale x 4 x half> poison, <vscale x 4 x half> poison, <vscale x 4 x half> poison, <vscale x 4 x half> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } poison, <vscale x 4 x half> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } [[TMP2]], <vscale x 4 x half> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } [[TMP4]], <vscale x 4 x half> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } [[TMP6]], <vscale x 4 x half> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    [[TMP10:%.*]] = insertvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } [[TMP8]], <vscale x 4 x half> [[TMP9]], 4
+// CHECK-RV64-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, i64 } [[TMP0]], 5
+// CHECK-RV64-NEXT:    store i64 [[TMP11]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } [[TMP10]]
+//
+vfloat16m1x5_t test_th_vlseg5e16ff_v_f16m1x5(const _Float16 *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg5e16ff_v_f16m1x5(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } @test_th_vlseg5e16ff_v_i16m1x5
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } @llvm.riscv.th.vlseg5eff.nxv4i16.i64(<vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } poison, <vscale x 4 x i16> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP2]], <vscale x 4 x i16> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP4]], <vscale x 4 x i16> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP6]], <vscale x 4 x i16> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    [[TMP10:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP8]], <vscale x 4 x i16> [[TMP9]], 4
+// CHECK-RV64-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 5
+// CHECK-RV64-NEXT:    store i64 [[TMP11]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP10]]
+//
+vint16m1x5_t test_th_vlseg5e16ff_v_i16m1x5(const int16_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg5e16ff_v_i16m1x5(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } @test_th_vlseg5e16ff_v_u16m1x5
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } @llvm.riscv.th.vlseg5eff.nxv4i16.i64(<vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } poison, <vscale x 4 x i16> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP2]], <vscale x 4 x i16> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP4]], <vscale x 4 x i16> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP6]], <vscale x 4 x i16> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    [[TMP10:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP8]], <vscale x 4 x i16> [[TMP9]], 4
+// CHECK-RV64-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 5
+// CHECK-RV64-NEXT:    store i64 [[TMP11]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP10]]
+//
+vuint16m1x5_t test_th_vlseg5e16ff_v_u16m1x5(const uint16_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg5e16ff_v_u16m1x5(base, new_vl, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg5e32.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg5e32.c
new file mode 100644
index 00000000000000..3de8b4fec4bac6
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg5e32.c
@@ -0,0 +1,38 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } @test_th_vlseg5e32_v_f32m1x5
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } @llvm.riscv.th.vlseg5e.nxv2f32.i64(<vscale x 2 x float> poison, <vscale x 2 x float> poison, <vscale x 2 x float> poison, <vscale x 2 x float> poison, <vscale x 2 x float> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } [[TMP0]]
+//
+vfloat32m1x5_t test_th_vlseg5e32_v_f32m1x5(const float *base, size_t vl) {
+  return __riscv_th_vlseg5e32_v_f32m1x5(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } @test_th_vlseg5e32_v_i32m1x5
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } @llvm.riscv.th.vlseg5e.nxv2i32.i64(<vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP0]]
+//
+vint32m1x5_t test_th_vlseg5e32_v_i32m1x5(const int32_t *base, size_t vl) {
+  return __riscv_th_vlseg5e32_v_i32m1x5(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } @test_th_vlseg5e32_v_u32m1x5
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } @llvm.riscv.th.vlseg5e.nxv2i32.i64(<vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP0]]
+//
+vuint32m1x5_t test_th_vlseg5e32_v_u32m1x5(const uint32_t *base, size_t vl) {
+  return __riscv_th_vlseg5e32_v_u32m1x5(base, vl);
+}
+
+
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg5e32ff.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg5e32ff.c
new file mode 100644
index 00000000000000..6eeba68c58a9f6
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg5e32ff.c
@@ -0,0 +1,72 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } @test_th_vlseg5e32ff_v_f32m1x5
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, i64 } @llvm.riscv.th.vlseg5eff.nxv2f32.i64(<vscale x 2 x float> poison, <vscale x 2 x float> poison, <vscale x 2 x float> poison, <vscale x 2 x float> poison, <vscale x 2 x float> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } poison, <vscale x 2 x float> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } [[TMP2]], <vscale x 2 x float> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } [[TMP4]], <vscale x 2 x float> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } [[TMP6]], <vscale x 2 x float> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    [[TMP10:%.*]] = insertvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } [[TMP8]], <vscale x 2 x float> [[TMP9]], 4
+// CHECK-RV64-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, i64 } [[TMP0]], 5
+// CHECK-RV64-NEXT:    store i64 [[TMP11]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } [[TMP10]]
+//
+vfloat32m1x5_t test_th_vlseg5e32ff_v_f32m1x5(const float *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg5e32ff_v_f32m1x5(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } @test_th_vlseg5e32ff_v_i32m1x5
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } @llvm.riscv.th.vlseg5eff.nxv2i32.i64(<vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } poison, <vscale x 2 x i32> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP2]], <vscale x 2 x i32> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP4]], <vscale x 2 x i32> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP6]], <vscale x 2 x i32> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    [[TMP10:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP8]], <vscale x 2 x i32> [[TMP9]], 4
+// CHECK-RV64-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 5
+// CHECK-RV64-NEXT:    store i64 [[TMP11]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP10]]
+//
+vint32m1x5_t test_th_vlseg5e32ff_v_i32m1x5(const int32_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg5e32ff_v_i32m1x5(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } @test_th_vlseg5e32ff_v_u32m1x5
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } @llvm.riscv.th.vlseg5eff.nxv2i32.i64(<vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } poison, <vscale x 2 x i32> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP2]], <vscale x 2 x i32> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP4]], <vscale x 2 x i32> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP6]], <vscale x 2 x i32> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    [[TMP10:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP8]], <vscale x 2 x i32> [[TMP9]], 4
+// CHECK-RV64-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 5
+// CHECK-RV64-NEXT:    store i64 [[TMP11]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP10]]
+//
+vuint32m1x5_t test_th_vlseg5e32ff_v_u32m1x5(const uint32_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg5e32ff_v_u32m1x5(base, new_vl, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg5e64.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg5e64.c
new file mode 100644
index 00000000000000..fe91318f8e0269
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg5e64.c
@@ -0,0 +1,36 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } @test_th_vlseg5e64_v_f64m1x5
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } @llvm.riscv.th.vlseg5e.nxv1f64.i64(<vscale x 1 x double> poison, <vscale x 1 x double> poison, <vscale x 1 x double> poison, <vscale x 1 x double> poison, <vscale x 1 x double> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } [[TMP0]]
+//
+vfloat64m1x5_t test_th_vlseg5e64_v_f64m1x5(const double *base, size_t vl) {
+  return __riscv_th_vlseg5e64_v_f64m1x5(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } @test_th_vlseg5e64_v_i64m1x5
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } @llvm.riscv.th.vlseg5e.nxv1i64.i64(<vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP0]]
+//
+vint64m1x5_t test_th_vlseg5e64_v_i64m1x5(const int64_t *base, size_t vl) {
+  return __riscv_th_vlseg5e64_v_i64m1x5(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } @test_th_vlseg5e64_v_u64m1x5
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } @llvm.riscv.th.vlseg5e.nxv1i64.i64(<vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP0]]
+//
+vuint64m1x5_t test_th_vlseg5e64_v_u64m1x5(const uint64_t *base, size_t vl) {
+  return __riscv_th_vlseg5e64_v_u64m1x5(base, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg5e64ff.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg5e64ff.c
new file mode 100644
index 00000000000000..2db1179e99d54f
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg5e64ff.c
@@ -0,0 +1,72 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } @test_th_vlseg5e64ff_v_f64m1x5
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, i64 } @llvm.riscv.th.vlseg5eff.nxv1f64.i64(<vscale x 1 x double> poison, <vscale x 1 x double> poison, <vscale x 1 x double> poison, <vscale x 1 x double> poison, <vscale x 1 x double> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } poison, <vscale x 1 x double> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } [[TMP2]], <vscale x 1 x double> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } [[TMP4]], <vscale x 1 x double> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } [[TMP6]], <vscale x 1 x double> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    [[TMP10:%.*]] = insertvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } [[TMP8]], <vscale x 1 x double> [[TMP9]], 4
+// CHECK-RV64-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, i64 } [[TMP0]], 5
+// CHECK-RV64-NEXT:    store i64 [[TMP11]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } [[TMP10]]
+//
+vfloat64m1x5_t test_th_vlseg5e64ff_v_f64m1x5(const double *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg5e64ff_v_f64m1x5(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } @test_th_vlseg5e64ff_v_i64m1x5
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } @llvm.riscv.th.vlseg5eff.nxv1i64.i64(<vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } poison, <vscale x 1 x i64> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP2]], <vscale x 1 x i64> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP4]], <vscale x 1 x i64> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP6]], <vscale x 1 x i64> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    [[TMP10:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP8]], <vscale x 1 x i64> [[TMP9]], 4
+// CHECK-RV64-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 5
+// CHECK-RV64-NEXT:    store i64 [[TMP11]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP10]]
+//
+vint64m1x5_t test_th_vlseg5e64ff_v_i64m1x5(const int64_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg5e64ff_v_i64m1x5(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } @test_th_vlseg5e64ff_v_u64m1x5
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } @llvm.riscv.th.vlseg5eff.nxv1i64.i64(<vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } poison, <vscale x 1 x i64> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP2]], <vscale x 1 x i64> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP4]], <vscale x 1 x i64> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP6]], <vscale x 1 x i64> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    [[TMP10:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP8]], <vscale x 1 x i64> [[TMP9]], 4
+// CHECK-RV64-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 5
+// CHECK-RV64-NEXT:    store i64 [[TMP11]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP10]]
+//
+vuint64m1x5_t test_th_vlseg5e64ff_v_u64m1x5(const uint64_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg5e64ff_v_u64m1x5(base, new_vl, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg5e8.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg5e8.c
new file mode 100644
index 00000000000000..f7f0babc76396b
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg5e8.c
@@ -0,0 +1,26 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } @test_th_vlseg5e8_v_i8m1x5
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } @llvm.riscv.th.vlseg5e.nxv8i8.i64(<vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP0]]
+//
+vint8m1x5_t test_th_vlseg5e8_v_i8m1x5(const int8_t *base, size_t vl) {
+  return __riscv_th_vlseg5e8_v_i8m1x5(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } @test_th_vlseg5e8_v_u8m1x5
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } @llvm.riscv.th.vlseg5e.nxv8i8.i64(<vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP0]]
+//
+vuint8m1x5_t test_th_vlseg5e8_v_u8m1x5(const uint8_t *base, size_t vl) {
+  return __riscv_th_vlseg5e8_v_u8m1x5(base, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg5e8ff.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg5e8ff.c
new file mode 100644
index 00000000000000..c9a1872e6a2126
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg5e8ff.c
@@ -0,0 +1,50 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } @test_th_vlseg5e8ff_v_i8m1x5
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } @llvm.riscv.th.vlseg5eff.nxv8i8.i64(<vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } poison, <vscale x 8 x i8> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP2]], <vscale x 8 x i8> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP4]], <vscale x 8 x i8> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP6]], <vscale x 8 x i8> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    [[TMP10:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP8]], <vscale x 8 x i8> [[TMP9]], 4
+// CHECK-RV64-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 5
+// CHECK-RV64-NEXT:    store i64 [[TMP11]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP10]]
+//
+vint8m1x5_t test_th_vlseg5e8ff_v_i8m1x5(const int8_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg5e8ff_v_i8m1x5(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } @test_th_vlseg5e8ff_v_u8m1x5
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } @llvm.riscv.th.vlseg5eff.nxv8i8.i64(<vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } poison, <vscale x 8 x i8> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP2]], <vscale x 8 x i8> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP4]], <vscale x 8 x i8> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP6]], <vscale x 8 x i8> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    [[TMP10:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP8]], <vscale x 8 x i8> [[TMP9]], 4
+// CHECK-RV64-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 5
+// CHECK-RV64-NEXT:    store i64 [[TMP11]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP10]]
+//
+vuint8m1x5_t test_th_vlseg5e8ff_v_u8m1x5(const uint8_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg5e8ff_v_u8m1x5(base, new_vl, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg6e16.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg6e16.c
new file mode 100644
index 00000000000000..e1cb30e8c1b590
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg6e16.c
@@ -0,0 +1,36 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } @test_th_vlseg6e16_v_f16m1x6
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } @llvm.riscv.th.vlseg6e.nxv4f16.i64(<vscale x 4 x half> poison, <vscale x 4 x half> poison, <vscale x 4 x half> poison, <vscale x 4 x half> poison, <vscale x 4 x half> poison, <vscale x 4 x half> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } [[TMP0]]
+//
+vfloat16m1x6_t test_th_vlseg6e16_v_f16m1x6(const _Float16 *base, size_t vl) {
+  return __riscv_th_vlseg6e16_v_f16m1x6(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } @test_th_vlseg6e16_v_i16m1x6
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } @llvm.riscv.th.vlseg6e.nxv4i16.i64(<vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP0]]
+//
+vint16m1x6_t test_th_vlseg6e16_v_i16m1x6(const int16_t *base, size_t vl) {
+  return __riscv_th_vlseg6e16_v_i16m1x6(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } @test_th_vlseg6e16_v_u16m1x6
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } @llvm.riscv.th.vlseg6e.nxv4i16.i64(<vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP0]]
+//
+vuint16m1x6_t test_th_vlseg6e16_v_u16m1x6(const uint16_t *base, size_t vl) {
+  return __riscv_th_vlseg6e16_v_u16m1x6(base, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg6e16ff.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg6e16ff.c
new file mode 100644
index 00000000000000..250f87e0b71a44
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg6e16ff.c
@@ -0,0 +1,78 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } @test_th_vlseg6e16ff_v_f16m1x6
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, i64 } @llvm.riscv.th.vlseg6eff.nxv4f16.i64(<vscale x 4 x half> poison, <vscale x 4 x half> poison, <vscale x 4 x half> poison, <vscale x 4 x half> poison, <vscale x 4 x half> poison, <vscale x 4 x half> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } poison, <vscale x 4 x half> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } [[TMP2]], <vscale x 4 x half> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } [[TMP4]], <vscale x 4 x half> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } [[TMP6]], <vscale x 4 x half> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    [[TMP10:%.*]] = insertvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } [[TMP8]], <vscale x 4 x half> [[TMP9]], 4
+// CHECK-RV64-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, i64 } [[TMP0]], 5
+// CHECK-RV64-NEXT:    [[TMP12:%.*]] = insertvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } [[TMP10]], <vscale x 4 x half> [[TMP11]], 5
+// CHECK-RV64-NEXT:    [[TMP13:%.*]] = extractvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, i64 } [[TMP0]], 6
+// CHECK-RV64-NEXT:    store i64 [[TMP13]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } [[TMP12]]
+//
+vfloat16m1x6_t test_th_vlseg6e16ff_v_f16m1x6(const _Float16 *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg6e16ff_v_f16m1x6(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } @test_th_vlseg6e16ff_v_i16m1x6
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } @llvm.riscv.th.vlseg6eff.nxv4i16.i64(<vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } poison, <vscale x 4 x i16> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP2]], <vscale x 4 x i16> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP4]], <vscale x 4 x i16> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP6]], <vscale x 4 x i16> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    [[TMP10:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP8]], <vscale x 4 x i16> [[TMP9]], 4
+// CHECK-RV64-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 5
+// CHECK-RV64-NEXT:    [[TMP12:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP10]], <vscale x 4 x i16> [[TMP11]], 5
+// CHECK-RV64-NEXT:    [[TMP13:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 6
+// CHECK-RV64-NEXT:    store i64 [[TMP13]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP12]]
+//
+vint16m1x6_t test_th_vlseg6e16ff_v_i16m1x6(const int16_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg6e16ff_v_i16m1x6(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } @test_th_vlseg6e16ff_v_u16m1x6
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } @llvm.riscv.th.vlseg6eff.nxv4i16.i64(<vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } poison, <vscale x 4 x i16> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP2]], <vscale x 4 x i16> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP4]], <vscale x 4 x i16> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP6]], <vscale x 4 x i16> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    [[TMP10:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP8]], <vscale x 4 x i16> [[TMP9]], 4
+// CHECK-RV64-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 5
+// CHECK-RV64-NEXT:    [[TMP12:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP10]], <vscale x 4 x i16> [[TMP11]], 5
+// CHECK-RV64-NEXT:    [[TMP13:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 6
+// CHECK-RV64-NEXT:    store i64 [[TMP13]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP12]]
+//
+vuint16m1x6_t test_th_vlseg6e16ff_v_u16m1x6(const uint16_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg6e16ff_v_u16m1x6(base, new_vl, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg6e32.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg6e32.c
new file mode 100644
index 00000000000000..ba294915c86553
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg6e32.c
@@ -0,0 +1,36 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } @test_th_vlseg6e32_v_f32m1x6
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } @llvm.riscv.th.vlseg6e.nxv2f32.i64(<vscale x 2 x float> poison, <vscale x 2 x float> poison, <vscale x 2 x float> poison, <vscale x 2 x float> poison, <vscale x 2 x float> poison, <vscale x 2 x float> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } [[TMP0]]
+//
+vfloat32m1x6_t test_th_vlseg6e32_v_f32m1x6(const float *base, size_t vl) {
+  return __riscv_th_vlseg6e32_v_f32m1x6(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } @test_th_vlseg6e32_v_i32m1x6
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } @llvm.riscv.th.vlseg6e.nxv2i32.i64(<vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP0]]
+//
+vint32m1x6_t test_th_vlseg6e32_v_i32m1x6(const int32_t *base, size_t vl) {
+  return __riscv_th_vlseg6e32_v_i32m1x6(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } @test_th_vlseg6e32_v_u32m1x6
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } @llvm.riscv.th.vlseg6e.nxv2i32.i64(<vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP0]]
+//
+vuint32m1x6_t test_th_vlseg6e32_v_u32m1x6(const uint32_t *base, size_t vl) {
+  return __riscv_th_vlseg6e32_v_u32m1x6(base, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg6e32ff.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg6e32ff.c
new file mode 100644
index 00000000000000..85fd576e0db600
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg6e32ff.c
@@ -0,0 +1,78 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } @test_th_vlseg6e32ff_v_f32m1x6
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, i64 } @llvm.riscv.th.vlseg6eff.nxv2f32.i64(<vscale x 2 x float> poison, <vscale x 2 x float> poison, <vscale x 2 x float> poison, <vscale x 2 x float> poison, <vscale x 2 x float> poison, <vscale x 2 x float> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } poison, <vscale x 2 x float> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } [[TMP2]], <vscale x 2 x float> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } [[TMP4]], <vscale x 2 x float> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } [[TMP6]], <vscale x 2 x float> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    [[TMP10:%.*]] = insertvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } [[TMP8]], <vscale x 2 x float> [[TMP9]], 4
+// CHECK-RV64-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, i64 } [[TMP0]], 5
+// CHECK-RV64-NEXT:    [[TMP12:%.*]] = insertvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } [[TMP10]], <vscale x 2 x float> [[TMP11]], 5
+// CHECK-RV64-NEXT:    [[TMP13:%.*]] = extractvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, i64 } [[TMP0]], 6
+// CHECK-RV64-NEXT:    store i64 [[TMP13]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } [[TMP12]]
+//
+vfloat32m1x6_t test_th_vlseg6e32ff_v_f32m1x6(const float *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg6e32ff_v_f32m1x6(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } @test_th_vlseg6e32ff_v_i32m1x6
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } @llvm.riscv.th.vlseg6eff.nxv2i32.i64(<vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } poison, <vscale x 2 x i32> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP2]], <vscale x 2 x i32> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP4]], <vscale x 2 x i32> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP6]], <vscale x 2 x i32> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    [[TMP10:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP8]], <vscale x 2 x i32> [[TMP9]], 4
+// CHECK-RV64-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 5
+// CHECK-RV64-NEXT:    [[TMP12:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP10]], <vscale x 2 x i32> [[TMP11]], 5
+// CHECK-RV64-NEXT:    [[TMP13:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 6
+// CHECK-RV64-NEXT:    store i64 [[TMP13]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP12]]
+//
+vint32m1x6_t test_th_vlseg6e32ff_v_i32m1x6(const int32_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg6e32ff_v_i32m1x6(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } @test_th_vlseg6e32ff_v_u32m1x6
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } @llvm.riscv.th.vlseg6eff.nxv2i32.i64(<vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } poison, <vscale x 2 x i32> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP2]], <vscale x 2 x i32> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP4]], <vscale x 2 x i32> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP6]], <vscale x 2 x i32> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    [[TMP10:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP8]], <vscale x 2 x i32> [[TMP9]], 4
+// CHECK-RV64-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 5
+// CHECK-RV64-NEXT:    [[TMP12:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP10]], <vscale x 2 x i32> [[TMP11]], 5
+// CHECK-RV64-NEXT:    [[TMP13:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 6
+// CHECK-RV64-NEXT:    store i64 [[TMP13]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP12]]
+//
+vuint32m1x6_t test_th_vlseg6e32ff_v_u32m1x6(const uint32_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg6e32ff_v_u32m1x6(base, new_vl, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg6e64.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg6e64.c
new file mode 100644
index 00000000000000..4e1032a0a262ce
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg6e64.c
@@ -0,0 +1,36 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } @test_th_vlseg6e64_v_f64m1x6
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } @llvm.riscv.th.vlseg6e.nxv1f64.i64(<vscale x 1 x double> poison, <vscale x 1 x double> poison, <vscale x 1 x double> poison, <vscale x 1 x double> poison, <vscale x 1 x double> poison, <vscale x 1 x double> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } [[TMP0]]
+//
+vfloat64m1x6_t test_th_vlseg6e64_v_f64m1x6(const double *base, size_t vl) {
+  return __riscv_th_vlseg6e64_v_f64m1x6(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } @test_th_vlseg6e64_v_i64m1x6
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } @llvm.riscv.th.vlseg6e.nxv1i64.i64(<vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP0]]
+//
+vint64m1x6_t test_th_vlseg6e64_v_i64m1x6(const int64_t *base, size_t vl) {
+  return __riscv_th_vlseg6e64_v_i64m1x6(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } @test_th_vlseg6e64_v_u64m1x6
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } @llvm.riscv.th.vlseg6e.nxv1i64.i64(<vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP0]]
+//
+vuint64m1x6_t test_th_vlseg6e64_v_u64m1x6(const uint64_t *base, size_t vl) {
+  return __riscv_th_vlseg6e64_v_u64m1x6(base, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg6e64ff.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg6e64ff.c
new file mode 100644
index 00000000000000..37fcc0a90b6709
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg6e64ff.c
@@ -0,0 +1,78 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } @test_th_vlseg6e64ff_v_f64m1x6
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, i64 } @llvm.riscv.th.vlseg6eff.nxv1f64.i64(<vscale x 1 x double> poison, <vscale x 1 x double> poison, <vscale x 1 x double> poison, <vscale x 1 x double> poison, <vscale x 1 x double> poison, <vscale x 1 x double> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } poison, <vscale x 1 x double> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } [[TMP2]], <vscale x 1 x double> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } [[TMP4]], <vscale x 1 x double> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } [[TMP6]], <vscale x 1 x double> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    [[TMP10:%.*]] = insertvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } [[TMP8]], <vscale x 1 x double> [[TMP9]], 4
+// CHECK-RV64-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, i64 } [[TMP0]], 5
+// CHECK-RV64-NEXT:    [[TMP12:%.*]] = insertvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } [[TMP10]], <vscale x 1 x double> [[TMP11]], 5
+// CHECK-RV64-NEXT:    [[TMP13:%.*]] = extractvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, i64 } [[TMP0]], 6
+// CHECK-RV64-NEXT:    store i64 [[TMP13]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } [[TMP12]]
+//
+vfloat64m1x6_t test_th_vlseg6e64ff_v_f64m1x6(const double *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg6e64ff_v_f64m1x6(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } @test_th_vlseg6e64ff_v_i64m1x6
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } @llvm.riscv.th.vlseg6eff.nxv1i64.i64(<vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } poison, <vscale x 1 x i64> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP2]], <vscale x 1 x i64> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP4]], <vscale x 1 x i64> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP6]], <vscale x 1 x i64> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    [[TMP10:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP8]], <vscale x 1 x i64> [[TMP9]], 4
+// CHECK-RV64-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 5
+// CHECK-RV64-NEXT:    [[TMP12:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP10]], <vscale x 1 x i64> [[TMP11]], 5
+// CHECK-RV64-NEXT:    [[TMP13:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 6
+// CHECK-RV64-NEXT:    store i64 [[TMP13]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP12]]
+//
+vint64m1x6_t test_th_vlseg6e64ff_v_i64m1x6(const int64_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg6e64ff_v_i64m1x6(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } @test_th_vlseg6e64ff_v_u64m1x6
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } @llvm.riscv.th.vlseg6eff.nxv1i64.i64(<vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } poison, <vscale x 1 x i64> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP2]], <vscale x 1 x i64> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP4]], <vscale x 1 x i64> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP6]], <vscale x 1 x i64> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    [[TMP10:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP8]], <vscale x 1 x i64> [[TMP9]], 4
+// CHECK-RV64-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 5
+// CHECK-RV64-NEXT:    [[TMP12:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP10]], <vscale x 1 x i64> [[TMP11]], 5
+// CHECK-RV64-NEXT:    [[TMP13:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 6
+// CHECK-RV64-NEXT:    store i64 [[TMP13]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP12]]
+//
+vuint64m1x6_t test_th_vlseg6e64ff_v_u64m1x6(const uint64_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg6e64ff_v_u64m1x6(base, new_vl, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg6e8.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg6e8.c
new file mode 100644
index 00000000000000..23ab7dfab540f0
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg6e8.c
@@ -0,0 +1,26 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } @test_th_vlseg6e8_v_i8m1x6
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } @llvm.riscv.th.vlseg6e.nxv8i8.i64(<vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP0]]
+//
+vint8m1x6_t test_th_vlseg6e8_v_i8m1x6(const int8_t *base, size_t vl) {
+  return __riscv_th_vlseg6e8_v_i8m1x6(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } @test_th_vlseg6e8_v_u8m1x6
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } @llvm.riscv.th.vlseg6e.nxv8i8.i64(<vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP0]]
+//
+vuint8m1x6_t test_th_vlseg6e8_v_u8m1x6(const uint8_t *base, size_t vl) {
+  return __riscv_th_vlseg6e8_v_u8m1x6(base, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg6e8ff.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg6e8ff.c
new file mode 100644
index 00000000000000..be6039eb843751
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg6e8ff.c
@@ -0,0 +1,54 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } @test_th_vlseg6e8ff_v_i8m1x6
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } @llvm.riscv.th.vlseg6eff.nxv8i8.i64(<vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } poison, <vscale x 8 x i8> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP2]], <vscale x 8 x i8> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP4]], <vscale x 8 x i8> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP6]], <vscale x 8 x i8> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    [[TMP10:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP8]], <vscale x 8 x i8> [[TMP9]], 4
+// CHECK-RV64-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 5
+// CHECK-RV64-NEXT:    [[TMP12:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP10]], <vscale x 8 x i8> [[TMP11]], 5
+// CHECK-RV64-NEXT:    [[TMP13:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 6
+// CHECK-RV64-NEXT:    store i64 [[TMP13]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP12]]
+//
+vint8m1x6_t test_th_vlseg6e8ff_v_i8m1x6(const int8_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg6e8ff_v_i8m1x6(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } @test_th_vlseg6e8ff_v_u8m1x6
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } @llvm.riscv.th.vlseg6eff.nxv8i8.i64(<vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } poison, <vscale x 8 x i8> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP2]], <vscale x 8 x i8> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP4]], <vscale x 8 x i8> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP6]], <vscale x 8 x i8> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    [[TMP10:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP8]], <vscale x 8 x i8> [[TMP9]], 4
+// CHECK-RV64-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 5
+// CHECK-RV64-NEXT:    [[TMP12:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP10]], <vscale x 8 x i8> [[TMP11]], 5
+// CHECK-RV64-NEXT:    [[TMP13:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 6
+// CHECK-RV64-NEXT:    store i64 [[TMP13]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP12]]
+//
+vuint8m1x6_t test_th_vlseg6e8ff_v_u8m1x6(const uint8_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg6e8ff_v_u8m1x6(base, new_vl, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg7e16.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg7e16.c
new file mode 100644
index 00000000000000..da2f9067135d2a
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg7e16.c
@@ -0,0 +1,36 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } @test_th_vlseg7e16_v_f16m1x7
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } @llvm.riscv.th.vlseg7e.nxv4f16.i64(<vscale x 4 x half> poison, <vscale x 4 x half> poison, <vscale x 4 x half> poison, <vscale x 4 x half> poison, <vscale x 4 x half> poison, <vscale x 4 x half> poison, <vscale x 4 x half> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } [[TMP0]]
+//
+vfloat16m1x7_t test_th_vlseg7e16_v_f16m1x7(const _Float16 *base, size_t vl) {
+  return __riscv_th_vlseg7e16_v_f16m1x7(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } @test_th_vlseg7e16_v_i16m1x7
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } @llvm.riscv.th.vlseg7e.nxv4i16.i64(<vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP0]]
+//
+vint16m1x7_t test_th_vlseg7e16_v_i16m1x7(const int16_t *base, size_t vl) {
+  return __riscv_th_vlseg7e16_v_i16m1x7(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } @test_th_vlseg7e16_v_u16m1x7
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } @llvm.riscv.th.vlseg7e.nxv4i16.i64(<vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP0]]
+//
+vuint16m1x7_t test_th_vlseg7e16_v_u16m1x7(const uint16_t *base, size_t vl) {
+  return __riscv_th_vlseg7e16_v_u16m1x7(base, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg7e16ff.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg7e16ff.c
new file mode 100644
index 00000000000000..1ca8f424efad75
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg7e16ff.c
@@ -0,0 +1,84 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } @test_th_vlseg7e16ff_v_f16m1x7
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, i64 } @llvm.riscv.th.vlseg7eff.nxv4f16.i64(<vscale x 4 x half> poison, <vscale x 4 x half> poison, <vscale x 4 x half> poison, <vscale x 4 x half> poison, <vscale x 4 x half> poison, <vscale x 4 x half> poison, <vscale x 4 x half> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } poison, <vscale x 4 x half> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } [[TMP2]], <vscale x 4 x half> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } [[TMP4]], <vscale x 4 x half> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } [[TMP6]], <vscale x 4 x half> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    [[TMP10:%.*]] = insertvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } [[TMP8]], <vscale x 4 x half> [[TMP9]], 4
+// CHECK-RV64-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, i64 } [[TMP0]], 5
+// CHECK-RV64-NEXT:    [[TMP12:%.*]] = insertvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } [[TMP10]], <vscale x 4 x half> [[TMP11]], 5
+// CHECK-RV64-NEXT:    [[TMP13:%.*]] = extractvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, i64 } [[TMP0]], 6
+// CHECK-RV64-NEXT:    [[TMP14:%.*]] = insertvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } [[TMP12]], <vscale x 4 x half> [[TMP13]], 6
+// CHECK-RV64-NEXT:    [[TMP15:%.*]] = extractvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, i64 } [[TMP0]], 7
+// CHECK-RV64-NEXT:    store i64 [[TMP15]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } [[TMP14]]
+//
+vfloat16m1x7_t test_th_vlseg7e16ff_v_f16m1x7(const _Float16 *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg7e16ff_v_f16m1x7(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } @test_th_vlseg7e16ff_v_i16m1x7
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } @llvm.riscv.th.vlseg7eff.nxv4i16.i64(<vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } poison, <vscale x 4 x i16> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP2]], <vscale x 4 x i16> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP4]], <vscale x 4 x i16> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP6]], <vscale x 4 x i16> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    [[TMP10:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP8]], <vscale x 4 x i16> [[TMP9]], 4
+// CHECK-RV64-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 5
+// CHECK-RV64-NEXT:    [[TMP12:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP10]], <vscale x 4 x i16> [[TMP11]], 5
+// CHECK-RV64-NEXT:    [[TMP13:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 6
+// CHECK-RV64-NEXT:    [[TMP14:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP12]], <vscale x 4 x i16> [[TMP13]], 6
+// CHECK-RV64-NEXT:    [[TMP15:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 7
+// CHECK-RV64-NEXT:    store i64 [[TMP15]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP14]]
+//
+vint16m1x7_t test_th_vlseg7e16ff_v_i16m1x7(const int16_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg7e16ff_v_i16m1x7(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } @test_th_vlseg7e16ff_v_u16m1x7
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } @llvm.riscv.th.vlseg7eff.nxv4i16.i64(<vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } poison, <vscale x 4 x i16> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP2]], <vscale x 4 x i16> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP4]], <vscale x 4 x i16> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP6]], <vscale x 4 x i16> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    [[TMP10:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP8]], <vscale x 4 x i16> [[TMP9]], 4
+// CHECK-RV64-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 5
+// CHECK-RV64-NEXT:    [[TMP12:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP10]], <vscale x 4 x i16> [[TMP11]], 5
+// CHECK-RV64-NEXT:    [[TMP13:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 6
+// CHECK-RV64-NEXT:    [[TMP14:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP12]], <vscale x 4 x i16> [[TMP13]], 6
+// CHECK-RV64-NEXT:    [[TMP15:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 7
+// CHECK-RV64-NEXT:    store i64 [[TMP15]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP14]]
+//
+vuint16m1x7_t test_th_vlseg7e16ff_v_u16m1x7(const uint16_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg7e16ff_v_u16m1x7(base, new_vl, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg7e32.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg7e32.c
new file mode 100644
index 00000000000000..663c179fbc6c41
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg7e32.c
@@ -0,0 +1,36 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } @test_th_vlseg7e32_v_f32m1x7
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } @llvm.riscv.th.vlseg7e.nxv2f32.i64(<vscale x 2 x float> poison, <vscale x 2 x float> poison, <vscale x 2 x float> poison, <vscale x 2 x float> poison, <vscale x 2 x float> poison, <vscale x 2 x float> poison, <vscale x 2 x float> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } [[TMP0]]
+//
+vfloat32m1x7_t test_th_vlseg7e32_v_f32m1x7(const float *base, size_t vl) {
+  return __riscv_th_vlseg7e32_v_f32m1x7(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } @test_th_vlseg7e32_v_i32m1x7
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } @llvm.riscv.th.vlseg7e.nxv2i32.i64(<vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP0]]
+//
+vint32m1x7_t test_th_vlseg7e32_v_i32m1x7(const int32_t *base, size_t vl) {
+  return __riscv_th_vlseg7e32_v_i32m1x7(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } @test_th_vlseg7e32_v_u32m1x7
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } @llvm.riscv.th.vlseg7e.nxv2i32.i64(<vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP0]]
+//
+vuint32m1x7_t test_th_vlseg7e32_v_u32m1x7(const uint32_t *base, size_t vl) {
+  return __riscv_th_vlseg7e32_v_u32m1x7(base, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg7e32ff.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg7e32ff.c
new file mode 100644
index 00000000000000..ec826c05a99ef5
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg7e32ff.c
@@ -0,0 +1,84 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } @test_th_vlseg7e32ff_v_f32m1x7
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, i64 } @llvm.riscv.th.vlseg7eff.nxv2f32.i64(<vscale x 2 x float> poison, <vscale x 2 x float> poison, <vscale x 2 x float> poison, <vscale x 2 x float> poison, <vscale x 2 x float> poison, <vscale x 2 x float> poison, <vscale x 2 x float> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } poison, <vscale x 2 x float> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } [[TMP2]], <vscale x 2 x float> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } [[TMP4]], <vscale x 2 x float> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } [[TMP6]], <vscale x 2 x float> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    [[TMP10:%.*]] = insertvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } [[TMP8]], <vscale x 2 x float> [[TMP9]], 4
+// CHECK-RV64-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, i64 } [[TMP0]], 5
+// CHECK-RV64-NEXT:    [[TMP12:%.*]] = insertvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } [[TMP10]], <vscale x 2 x float> [[TMP11]], 5
+// CHECK-RV64-NEXT:    [[TMP13:%.*]] = extractvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, i64 } [[TMP0]], 6
+// CHECK-RV64-NEXT:    [[TMP14:%.*]] = insertvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } [[TMP12]], <vscale x 2 x float> [[TMP13]], 6
+// CHECK-RV64-NEXT:    [[TMP15:%.*]] = extractvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, i64 } [[TMP0]], 7
+// CHECK-RV64-NEXT:    store i64 [[TMP15]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } [[TMP14]]
+//
+vfloat32m1x7_t test_th_vlseg7e32ff_v_f32m1x7(const float *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg7e32ff_v_f32m1x7(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } @test_th_vlseg7e32ff_v_i32m1x7
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } @llvm.riscv.th.vlseg7eff.nxv2i32.i64(<vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } poison, <vscale x 2 x i32> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP2]], <vscale x 2 x i32> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP4]], <vscale x 2 x i32> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP6]], <vscale x 2 x i32> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    [[TMP10:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP8]], <vscale x 2 x i32> [[TMP9]], 4
+// CHECK-RV64-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 5
+// CHECK-RV64-NEXT:    [[TMP12:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP10]], <vscale x 2 x i32> [[TMP11]], 5
+// CHECK-RV64-NEXT:    [[TMP13:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 6
+// CHECK-RV64-NEXT:    [[TMP14:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP12]], <vscale x 2 x i32> [[TMP13]], 6
+// CHECK-RV64-NEXT:    [[TMP15:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 7
+// CHECK-RV64-NEXT:    store i64 [[TMP15]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP14]]
+//
+vint32m1x7_t test_th_vlseg7e32ff_v_i32m1x7(const int32_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg7e32ff_v_i32m1x7(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } @test_th_vlseg7e32ff_v_u32m1x7
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } @llvm.riscv.th.vlseg7eff.nxv2i32.i64(<vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } poison, <vscale x 2 x i32> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP2]], <vscale x 2 x i32> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP4]], <vscale x 2 x i32> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP6]], <vscale x 2 x i32> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    [[TMP10:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP8]], <vscale x 2 x i32> [[TMP9]], 4
+// CHECK-RV64-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 5
+// CHECK-RV64-NEXT:    [[TMP12:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP10]], <vscale x 2 x i32> [[TMP11]], 5
+// CHECK-RV64-NEXT:    [[TMP13:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 6
+// CHECK-RV64-NEXT:    [[TMP14:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP12]], <vscale x 2 x i32> [[TMP13]], 6
+// CHECK-RV64-NEXT:    [[TMP15:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 7
+// CHECK-RV64-NEXT:    store i64 [[TMP15]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP14]]
+//
+vuint32m1x7_t test_th_vlseg7e32ff_v_u32m1x7(const uint32_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg7e32ff_v_u32m1x7(base, new_vl, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg7e64.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg7e64.c
new file mode 100644
index 00000000000000..d3655b9dc2becb
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg7e64.c
@@ -0,0 +1,36 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } @test_th_vlseg7e64_v_f64m1x7
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } @llvm.riscv.th.vlseg7e.nxv1f64.i64(<vscale x 1 x double> poison, <vscale x 1 x double> poison, <vscale x 1 x double> poison, <vscale x 1 x double> poison, <vscale x 1 x double> poison, <vscale x 1 x double> poison, <vscale x 1 x double> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } [[TMP0]]
+//
+vfloat64m1x7_t test_th_vlseg7e64_v_f64m1x7(const double *base, size_t vl) {
+  return __riscv_th_vlseg7e64_v_f64m1x7(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } @test_th_vlseg7e64_v_i64m1x7
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } @llvm.riscv.th.vlseg7e.nxv1i64.i64(<vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP0]]
+//
+vint64m1x7_t test_th_vlseg7e64_v_i64m1x7(const int64_t *base, size_t vl) {
+  return __riscv_th_vlseg7e64_v_i64m1x7(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } @test_th_vlseg7e64_v_u64m1x7
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } @llvm.riscv.th.vlseg7e.nxv1i64.i64(<vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP0]]
+//
+vuint64m1x7_t test_th_vlseg7e64_v_u64m1x7(const uint64_t *base, size_t vl) {
+  return __riscv_th_vlseg7e64_v_u64m1x7(base, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg7e64ff.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg7e64ff.c
new file mode 100644
index 00000000000000..ef8b5ecd0339cb
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg7e64ff.c
@@ -0,0 +1,84 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } @test_th_vlseg7e64ff_v_f64m1x7
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, i64 } @llvm.riscv.th.vlseg7eff.nxv1f64.i64(<vscale x 1 x double> poison, <vscale x 1 x double> poison, <vscale x 1 x double> poison, <vscale x 1 x double> poison, <vscale x 1 x double> poison, <vscale x 1 x double> poison, <vscale x 1 x double> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } poison, <vscale x 1 x double> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } [[TMP2]], <vscale x 1 x double> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } [[TMP4]], <vscale x 1 x double> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } [[TMP6]], <vscale x 1 x double> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    [[TMP10:%.*]] = insertvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } [[TMP8]], <vscale x 1 x double> [[TMP9]], 4
+// CHECK-RV64-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, i64 } [[TMP0]], 5
+// CHECK-RV64-NEXT:    [[TMP12:%.*]] = insertvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } [[TMP10]], <vscale x 1 x double> [[TMP11]], 5
+// CHECK-RV64-NEXT:    [[TMP13:%.*]] = extractvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, i64 } [[TMP0]], 6
+// CHECK-RV64-NEXT:    [[TMP14:%.*]] = insertvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } [[TMP12]], <vscale x 1 x double> [[TMP13]], 6
+// CHECK-RV64-NEXT:    [[TMP15:%.*]] = extractvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, i64 } [[TMP0]], 7
+// CHECK-RV64-NEXT:    store i64 [[TMP15]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } [[TMP14]]
+//
+vfloat64m1x7_t test_th_vlseg7e64ff_v_f64m1x7(const double *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg7e64ff_v_f64m1x7(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } @test_th_vlseg7e64ff_v_i64m1x7
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } @llvm.riscv.th.vlseg7eff.nxv1i64.i64(<vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } poison, <vscale x 1 x i64> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP2]], <vscale x 1 x i64> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP4]], <vscale x 1 x i64> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP6]], <vscale x 1 x i64> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    [[TMP10:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP8]], <vscale x 1 x i64> [[TMP9]], 4
+// CHECK-RV64-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 5
+// CHECK-RV64-NEXT:    [[TMP12:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP10]], <vscale x 1 x i64> [[TMP11]], 5
+// CHECK-RV64-NEXT:    [[TMP13:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 6
+// CHECK-RV64-NEXT:    [[TMP14:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP12]], <vscale x 1 x i64> [[TMP13]], 6
+// CHECK-RV64-NEXT:    [[TMP15:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 7
+// CHECK-RV64-NEXT:    store i64 [[TMP15]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP14]]
+//
+vint64m1x7_t test_th_vlseg7e64ff_v_i64m1x7(const int64_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg7e64ff_v_i64m1x7(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } @test_th_vlseg7e64ff_v_u64m1x7
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } @llvm.riscv.th.vlseg7eff.nxv1i64.i64(<vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } poison, <vscale x 1 x i64> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP2]], <vscale x 1 x i64> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP4]], <vscale x 1 x i64> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP6]], <vscale x 1 x i64> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    [[TMP10:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP8]], <vscale x 1 x i64> [[TMP9]], 4
+// CHECK-RV64-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 5
+// CHECK-RV64-NEXT:    [[TMP12:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP10]], <vscale x 1 x i64> [[TMP11]], 5
+// CHECK-RV64-NEXT:    [[TMP13:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 6
+// CHECK-RV64-NEXT:    [[TMP14:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP12]], <vscale x 1 x i64> [[TMP13]], 6
+// CHECK-RV64-NEXT:    [[TMP15:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 7
+// CHECK-RV64-NEXT:    store i64 [[TMP15]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP14]]
+//
+vuint64m1x7_t test_th_vlseg7e64ff_v_u64m1x7(const uint64_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg7e64ff_v_u64m1x7(base, new_vl, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg7e8.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg7e8.c
new file mode 100644
index 00000000000000..7df202fdbebdcd
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg7e8.c
@@ -0,0 +1,27 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } @test_th_vlseg7e8_v_i8m1x7
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } @llvm.riscv.th.vlseg7e.nxv8i8.i64(<vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP0]]
+//
+vint8m1x7_t test_th_vlseg7e8_v_i8m1x7(const int8_t *base, size_t vl) {
+  return __riscv_th_vlseg7e8_v_i8m1x7(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } @test_th_vlseg7e8_v_u8m1x7
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } @llvm.riscv.th.vlseg7e.nxv8i8.i64(<vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP0]]
+//
+vuint8m1x7_t test_th_vlseg7e8_v_u8m1x7(const uint8_t *base, size_t vl) {
+  return __riscv_th_vlseg7e8_v_u8m1x7(base, vl);
+}
+
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg7e8ff.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg7e8ff.c
new file mode 100644
index 00000000000000..500c0b08f91da2
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg7e8ff.c
@@ -0,0 +1,58 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } @test_th_vlseg7e8ff_v_i8m1x7
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } @llvm.riscv.th.vlseg7eff.nxv8i8.i64(<vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } poison, <vscale x 8 x i8> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP2]], <vscale x 8 x i8> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP4]], <vscale x 8 x i8> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP6]], <vscale x 8 x i8> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    [[TMP10:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP8]], <vscale x 8 x i8> [[TMP9]], 4
+// CHECK-RV64-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 5
+// CHECK-RV64-NEXT:    [[TMP12:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP10]], <vscale x 8 x i8> [[TMP11]], 5
+// CHECK-RV64-NEXT:    [[TMP13:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 6
+// CHECK-RV64-NEXT:    [[TMP14:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP12]], <vscale x 8 x i8> [[TMP13]], 6
+// CHECK-RV64-NEXT:    [[TMP15:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 7
+// CHECK-RV64-NEXT:    store i64 [[TMP15]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP14]]
+//
+vint8m1x7_t test_th_vlseg7e8ff_v_i8m1x7(const int8_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg7e8ff_v_i8m1x7(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } @test_th_vlseg7e8ff_v_u8m1x7
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } @llvm.riscv.th.vlseg7eff.nxv8i8.i64(<vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } poison, <vscale x 8 x i8> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP2]], <vscale x 8 x i8> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP4]], <vscale x 8 x i8> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP6]], <vscale x 8 x i8> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    [[TMP10:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP8]], <vscale x 8 x i8> [[TMP9]], 4
+// CHECK-RV64-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 5
+// CHECK-RV64-NEXT:    [[TMP12:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP10]], <vscale x 8 x i8> [[TMP11]], 5
+// CHECK-RV64-NEXT:    [[TMP13:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 6
+// CHECK-RV64-NEXT:    [[TMP14:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP12]], <vscale x 8 x i8> [[TMP13]], 6
+// CHECK-RV64-NEXT:    [[TMP15:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 7
+// CHECK-RV64-NEXT:    store i64 [[TMP15]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP14]]
+//
+vuint8m1x7_t test_th_vlseg7e8ff_v_u8m1x7(const uint8_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg7e8ff_v_u8m1x7(base, new_vl, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg8e16.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg8e16.c
new file mode 100644
index 00000000000000..d3d5665c5d26a5
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg8e16.c
@@ -0,0 +1,36 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } @test_th_vlseg8e16_v_f16m1x8
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } @llvm.riscv.th.vlseg8e.nxv4f16.i64(<vscale x 4 x half> poison, <vscale x 4 x half> poison, <vscale x 4 x half> poison, <vscale x 4 x half> poison, <vscale x 4 x half> poison, <vscale x 4 x half> poison, <vscale x 4 x half> poison, <vscale x 4 x half> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } [[TMP0]]
+//
+vfloat16m1x8_t test_th_vlseg8e16_v_f16m1x8(const _Float16 *base, size_t vl) {
+  return __riscv_th_vlseg8e16_v_f16m1x8(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } @test_th_vlseg8e16_v_i16m1x8
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } @llvm.riscv.th.vlseg8e.nxv4i16.i64(<vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP0]]
+//
+vint16m1x8_t test_th_vlseg8e16_v_i16m1x8(const int16_t *base, size_t vl) {
+  return __riscv_th_vlseg8e16_v_i16m1x8(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } @test_th_vlseg8e16_v_u16m1x8
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } @llvm.riscv.th.vlseg8e.nxv4i16.i64(<vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP0]]
+//
+vuint16m1x8_t test_th_vlseg8e16_v_u16m1x8(const uint16_t *base, size_t vl) {
+  return __riscv_th_vlseg8e16_v_u16m1x8(base, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg8e16ff.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg8e16ff.c
new file mode 100644
index 00000000000000..60957546165cb8
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg8e16ff.c
@@ -0,0 +1,90 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } @test_th_vlseg8e16ff_v_f16m1x8
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, i64 } @llvm.riscv.th.vlseg8eff.nxv4f16.i64(<vscale x 4 x half> poison, <vscale x 4 x half> poison, <vscale x 4 x half> poison, <vscale x 4 x half> poison, <vscale x 4 x half> poison, <vscale x 4 x half> poison, <vscale x 4 x half> poison, <vscale x 4 x half> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } poison, <vscale x 4 x half> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } [[TMP2]], <vscale x 4 x half> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } [[TMP4]], <vscale x 4 x half> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } [[TMP6]], <vscale x 4 x half> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    [[TMP10:%.*]] = insertvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } [[TMP8]], <vscale x 4 x half> [[TMP9]], 4
+// CHECK-RV64-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, i64 } [[TMP0]], 5
+// CHECK-RV64-NEXT:    [[TMP12:%.*]] = insertvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } [[TMP10]], <vscale x 4 x half> [[TMP11]], 5
+// CHECK-RV64-NEXT:    [[TMP13:%.*]] = extractvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, i64 } [[TMP0]], 6
+// CHECK-RV64-NEXT:    [[TMP14:%.*]] = insertvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } [[TMP12]], <vscale x 4 x half> [[TMP13]], 6
+// CHECK-RV64-NEXT:    [[TMP15:%.*]] = extractvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, i64 } [[TMP0]], 7
+// CHECK-RV64-NEXT:    [[TMP16:%.*]] = insertvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } [[TMP14]], <vscale x 4 x half> [[TMP15]], 7
+// CHECK-RV64-NEXT:    [[TMP17:%.*]] = extractvalue { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, i64 } [[TMP0]], 8
+// CHECK-RV64-NEXT:    store i64 [[TMP17]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half>, <vscale x 4 x half> } [[TMP16]]
+//
+vfloat16m1x8_t test_th_vlseg8e16ff_v_f16m1x8(const _Float16 *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg8e16ff_v_f16m1x8(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } @test_th_vlseg8e16ff_v_i16m1x8
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } @llvm.riscv.th.vlseg8eff.nxv4i16.i64(<vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } poison, <vscale x 4 x i16> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP2]], <vscale x 4 x i16> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP4]], <vscale x 4 x i16> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP6]], <vscale x 4 x i16> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    [[TMP10:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP8]], <vscale x 4 x i16> [[TMP9]], 4
+// CHECK-RV64-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 5
+// CHECK-RV64-NEXT:    [[TMP12:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP10]], <vscale x 4 x i16> [[TMP11]], 5
+// CHECK-RV64-NEXT:    [[TMP13:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 6
+// CHECK-RV64-NEXT:    [[TMP14:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP12]], <vscale x 4 x i16> [[TMP13]], 6
+// CHECK-RV64-NEXT:    [[TMP15:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 7
+// CHECK-RV64-NEXT:    [[TMP16:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP14]], <vscale x 4 x i16> [[TMP15]], 7
+// CHECK-RV64-NEXT:    [[TMP17:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 8
+// CHECK-RV64-NEXT:    store i64 [[TMP17]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP16]]
+//
+vint16m1x8_t test_th_vlseg8e16ff_v_i16m1x8(const int16_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg8e16ff_v_i16m1x8(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } @test_th_vlseg8e16ff_v_u16m1x8
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } @llvm.riscv.th.vlseg8eff.nxv4i16.i64(<vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, <vscale x 4 x i16> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } poison, <vscale x 4 x i16> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP2]], <vscale x 4 x i16> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP4]], <vscale x 4 x i16> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP6]], <vscale x 4 x i16> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    [[TMP10:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP8]], <vscale x 4 x i16> [[TMP9]], 4
+// CHECK-RV64-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 5
+// CHECK-RV64-NEXT:    [[TMP12:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP10]], <vscale x 4 x i16> [[TMP11]], 5
+// CHECK-RV64-NEXT:    [[TMP13:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 6
+// CHECK-RV64-NEXT:    [[TMP14:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP12]], <vscale x 4 x i16> [[TMP13]], 6
+// CHECK-RV64-NEXT:    [[TMP15:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 7
+// CHECK-RV64-NEXT:    [[TMP16:%.*]] = insertvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP14]], <vscale x 4 x i16> [[TMP15]], 7
+// CHECK-RV64-NEXT:    [[TMP17:%.*]] = extractvalue { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, i64 } [[TMP0]], 8
+// CHECK-RV64-NEXT:    store i64 [[TMP17]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16>, <vscale x 4 x i16> } [[TMP16]]
+//
+vuint16m1x8_t test_th_vlseg8e16ff_v_u16m1x8(const uint16_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg8e16ff_v_u16m1x8(base, new_vl, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg8e32.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg8e32.c
new file mode 100644
index 00000000000000..82948eea184c95
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg8e32.c
@@ -0,0 +1,36 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } @test_th_vlseg8e32_v_f32m1x8
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } @llvm.riscv.th.vlseg8e.nxv2f32.i64(<vscale x 2 x float> poison, <vscale x 2 x float> poison, <vscale x 2 x float> poison, <vscale x 2 x float> poison, <vscale x 2 x float> poison, <vscale x 2 x float> poison, <vscale x 2 x float> poison, <vscale x 2 x float> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } [[TMP0]]
+//
+vfloat32m1x8_t test_th_vlseg8e32_v_f32m1x8(const float *base, size_t vl) {
+  return __riscv_th_vlseg8e32_v_f32m1x8(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } @test_th_vlseg8e32_v_i32m1x8
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } @llvm.riscv.th.vlseg8e.nxv2i32.i64(<vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP0]]
+//
+vint32m1x8_t test_th_vlseg8e32_v_i32m1x8(const int32_t *base, size_t vl) {
+  return __riscv_th_vlseg8e32_v_i32m1x8(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } @test_th_vlseg8e32_v_u32m1x8
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } @llvm.riscv.th.vlseg8e.nxv2i32.i64(<vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP0]]
+//
+vuint32m1x8_t test_th_vlseg8e32_v_u32m1x8(const uint32_t *base, size_t vl) {
+  return __riscv_th_vlseg8e32_v_u32m1x8(base, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg8e32ff.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg8e32ff.c
new file mode 100644
index 00000000000000..92ce7cb9a8c2f6
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg8e32ff.c
@@ -0,0 +1,90 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } @test_th_vlseg8e32ff_v_f32m1x8
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, i64 } @llvm.riscv.th.vlseg8eff.nxv2f32.i64(<vscale x 2 x float> poison, <vscale x 2 x float> poison, <vscale x 2 x float> poison, <vscale x 2 x float> poison, <vscale x 2 x float> poison, <vscale x 2 x float> poison, <vscale x 2 x float> poison, <vscale x 2 x float> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } poison, <vscale x 2 x float> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } [[TMP2]], <vscale x 2 x float> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } [[TMP4]], <vscale x 2 x float> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } [[TMP6]], <vscale x 2 x float> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    [[TMP10:%.*]] = insertvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } [[TMP8]], <vscale x 2 x float> [[TMP9]], 4
+// CHECK-RV64-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, i64 } [[TMP0]], 5
+// CHECK-RV64-NEXT:    [[TMP12:%.*]] = insertvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } [[TMP10]], <vscale x 2 x float> [[TMP11]], 5
+// CHECK-RV64-NEXT:    [[TMP13:%.*]] = extractvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, i64 } [[TMP0]], 6
+// CHECK-RV64-NEXT:    [[TMP14:%.*]] = insertvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } [[TMP12]], <vscale x 2 x float> [[TMP13]], 6
+// CHECK-RV64-NEXT:    [[TMP15:%.*]] = extractvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, i64 } [[TMP0]], 7
+// CHECK-RV64-NEXT:    [[TMP16:%.*]] = insertvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } [[TMP14]], <vscale x 2 x float> [[TMP15]], 7
+// CHECK-RV64-NEXT:    [[TMP17:%.*]] = extractvalue { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, i64 } [[TMP0]], 8
+// CHECK-RV64-NEXT:    store i64 [[TMP17]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float>, <vscale x 2 x float> } [[TMP16]]
+//
+vfloat32m1x8_t test_th_vlseg8e32ff_v_f32m1x8(const float *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg8e32ff_v_f32m1x8(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } @test_th_vlseg8e32ff_v_i32m1x8
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } @llvm.riscv.th.vlseg8eff.nxv2i32.i64(<vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } poison, <vscale x 2 x i32> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP2]], <vscale x 2 x i32> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP4]], <vscale x 2 x i32> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP6]], <vscale x 2 x i32> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    [[TMP10:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP8]], <vscale x 2 x i32> [[TMP9]], 4
+// CHECK-RV64-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 5
+// CHECK-RV64-NEXT:    [[TMP12:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP10]], <vscale x 2 x i32> [[TMP11]], 5
+// CHECK-RV64-NEXT:    [[TMP13:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 6
+// CHECK-RV64-NEXT:    [[TMP14:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP12]], <vscale x 2 x i32> [[TMP13]], 6
+// CHECK-RV64-NEXT:    [[TMP15:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 7
+// CHECK-RV64-NEXT:    [[TMP16:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP14]], <vscale x 2 x i32> [[TMP15]], 7
+// CHECK-RV64-NEXT:    [[TMP17:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 8
+// CHECK-RV64-NEXT:    store i64 [[TMP17]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP16]]
+//
+vint32m1x8_t test_th_vlseg8e32ff_v_i32m1x8(const int32_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg8e32ff_v_i32m1x8(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } @test_th_vlseg8e32ff_v_u32m1x8
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } @llvm.riscv.th.vlseg8eff.nxv2i32.i64(<vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, <vscale x 2 x i32> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } poison, <vscale x 2 x i32> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP2]], <vscale x 2 x i32> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP4]], <vscale x 2 x i32> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP6]], <vscale x 2 x i32> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    [[TMP10:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP8]], <vscale x 2 x i32> [[TMP9]], 4
+// CHECK-RV64-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 5
+// CHECK-RV64-NEXT:    [[TMP12:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP10]], <vscale x 2 x i32> [[TMP11]], 5
+// CHECK-RV64-NEXT:    [[TMP13:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 6
+// CHECK-RV64-NEXT:    [[TMP14:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP12]], <vscale x 2 x i32> [[TMP13]], 6
+// CHECK-RV64-NEXT:    [[TMP15:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 7
+// CHECK-RV64-NEXT:    [[TMP16:%.*]] = insertvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP14]], <vscale x 2 x i32> [[TMP15]], 7
+// CHECK-RV64-NEXT:    [[TMP17:%.*]] = extractvalue { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, i64 } [[TMP0]], 8
+// CHECK-RV64-NEXT:    store i64 [[TMP17]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32>, <vscale x 2 x i32> } [[TMP16]]
+//
+vuint32m1x8_t test_th_vlseg8e32ff_v_u32m1x8(const uint32_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg8e32ff_v_u32m1x8(base, new_vl, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg8e64.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg8e64.c
new file mode 100644
index 00000000000000..d9099e3297d5a7
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg8e64.c
@@ -0,0 +1,36 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } @test_th_vlseg8e64_v_f64m1x8
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } @llvm.riscv.th.vlseg8e.nxv1f64.i64(<vscale x 1 x double> poison, <vscale x 1 x double> poison, <vscale x 1 x double> poison, <vscale x 1 x double> poison, <vscale x 1 x double> poison, <vscale x 1 x double> poison, <vscale x 1 x double> poison, <vscale x 1 x double> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } [[TMP0]]
+//
+vfloat64m1x8_t test_th_vlseg8e64_v_f64m1x8(const double *base, size_t vl) {
+  return __riscv_th_vlseg8e64_v_f64m1x8(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } @test_th_vlseg8e64_v_i64m1x8
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } @llvm.riscv.th.vlseg8e.nxv1i64.i64(<vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP0]]
+//
+vint64m1x8_t test_th_vlseg8e64_v_i64m1x8(const int64_t *base, size_t vl) {
+  return __riscv_th_vlseg8e64_v_i64m1x8(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } @test_th_vlseg8e64_v_u64m1x8
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } @llvm.riscv.th.vlseg8e.nxv1i64.i64(<vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP0]]
+//
+vuint64m1x8_t test_th_vlseg8e64_v_u64m1x8(const uint64_t *base, size_t vl) {
+  return __riscv_th_vlseg8e64_v_u64m1x8(base, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg8e64ff.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg8e64ff.c
new file mode 100644
index 00000000000000..aad8676361605c
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg8e64ff.c
@@ -0,0 +1,90 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } @test_th_vlseg8e64ff_v_f64m1x8
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, i64 } @llvm.riscv.th.vlseg8eff.nxv1f64.i64(<vscale x 1 x double> poison, <vscale x 1 x double> poison, <vscale x 1 x double> poison, <vscale x 1 x double> poison, <vscale x 1 x double> poison, <vscale x 1 x double> poison, <vscale x 1 x double> poison, <vscale x 1 x double> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } poison, <vscale x 1 x double> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } [[TMP2]], <vscale x 1 x double> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } [[TMP4]], <vscale x 1 x double> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } [[TMP6]], <vscale x 1 x double> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    [[TMP10:%.*]] = insertvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } [[TMP8]], <vscale x 1 x double> [[TMP9]], 4
+// CHECK-RV64-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, i64 } [[TMP0]], 5
+// CHECK-RV64-NEXT:    [[TMP12:%.*]] = insertvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } [[TMP10]], <vscale x 1 x double> [[TMP11]], 5
+// CHECK-RV64-NEXT:    [[TMP13:%.*]] = extractvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, i64 } [[TMP0]], 6
+// CHECK-RV64-NEXT:    [[TMP14:%.*]] = insertvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } [[TMP12]], <vscale x 1 x double> [[TMP13]], 6
+// CHECK-RV64-NEXT:    [[TMP15:%.*]] = extractvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, i64 } [[TMP0]], 7
+// CHECK-RV64-NEXT:    [[TMP16:%.*]] = insertvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } [[TMP14]], <vscale x 1 x double> [[TMP15]], 7
+// CHECK-RV64-NEXT:    [[TMP17:%.*]] = extractvalue { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, i64 } [[TMP0]], 8
+// CHECK-RV64-NEXT:    store i64 [[TMP17]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double> } [[TMP16]]
+//
+vfloat64m1x8_t test_th_vlseg8e64ff_v_f64m1x8(const double *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg8e64ff_v_f64m1x8(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } @test_th_vlseg8e64ff_v_i64m1x8
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } @llvm.riscv.th.vlseg8eff.nxv1i64.i64(<vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } poison, <vscale x 1 x i64> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP2]], <vscale x 1 x i64> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP4]], <vscale x 1 x i64> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP6]], <vscale x 1 x i64> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    [[TMP10:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP8]], <vscale x 1 x i64> [[TMP9]], 4
+// CHECK-RV64-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 5
+// CHECK-RV64-NEXT:    [[TMP12:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP10]], <vscale x 1 x i64> [[TMP11]], 5
+// CHECK-RV64-NEXT:    [[TMP13:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 6
+// CHECK-RV64-NEXT:    [[TMP14:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP12]], <vscale x 1 x i64> [[TMP13]], 6
+// CHECK-RV64-NEXT:    [[TMP15:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 7
+// CHECK-RV64-NEXT:    [[TMP16:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP14]], <vscale x 1 x i64> [[TMP15]], 7
+// CHECK-RV64-NEXT:    [[TMP17:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 8
+// CHECK-RV64-NEXT:    store i64 [[TMP17]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP16]]
+//
+vint64m1x8_t test_th_vlseg8e64ff_v_i64m1x8(const int64_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg8e64ff_v_i64m1x8(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } @test_th_vlseg8e64ff_v_u64m1x8
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } @llvm.riscv.th.vlseg8eff.nxv1i64.i64(<vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, <vscale x 1 x i64> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } poison, <vscale x 1 x i64> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP2]], <vscale x 1 x i64> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP4]], <vscale x 1 x i64> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP6]], <vscale x 1 x i64> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    [[TMP10:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP8]], <vscale x 1 x i64> [[TMP9]], 4
+// CHECK-RV64-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 5
+// CHECK-RV64-NEXT:    [[TMP12:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP10]], <vscale x 1 x i64> [[TMP11]], 5
+// CHECK-RV64-NEXT:    [[TMP13:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 6
+// CHECK-RV64-NEXT:    [[TMP14:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP12]], <vscale x 1 x i64> [[TMP13]], 6
+// CHECK-RV64-NEXT:    [[TMP15:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 7
+// CHECK-RV64-NEXT:    [[TMP16:%.*]] = insertvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP14]], <vscale x 1 x i64> [[TMP15]], 7
+// CHECK-RV64-NEXT:    [[TMP17:%.*]] = extractvalue { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, i64 } [[TMP0]], 8
+// CHECK-RV64-NEXT:    store i64 [[TMP17]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64>, <vscale x 1 x i64> } [[TMP16]]
+//
+vuint64m1x8_t test_th_vlseg8e64ff_v_u64m1x8(const uint64_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg8e64ff_v_u64m1x8(base, new_vl, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg8e8.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg8e8.c
new file mode 100644
index 00000000000000..2c0fc571890cd6
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg8e8.c
@@ -0,0 +1,27 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } @test_th_vlseg8e8_v_i8m1x8
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } @llvm.riscv.th.vlseg8e.nxv8i8.i64(<vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP0]]
+//
+vint8m1x8_t test_th_vlseg8e8_v_i8m1x8(const int8_t *base, size_t vl) {
+  return __riscv_th_vlseg8e8_v_i8m1x8(base, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } @test_th_vlseg8e8_v_u8m1x8
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } @llvm.riscv.th.vlseg8e.nxv8i8.i64(<vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP0]]
+//
+vuint8m1x8_t test_th_vlseg8e8_v_u8m1x8(const uint8_t *base, size_t vl) {
+  return __riscv_th_vlseg8e8_v_u8m1x8(base, vl);
+}
+
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg8e8ff.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg8e8ff.c
new file mode 100644
index 00000000000000..bb595625836c1c
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vlseg8e8ff.c
@@ -0,0 +1,62 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } @test_th_vlseg8e8ff_v_i8m1x8
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } @llvm.riscv.th.vlseg8eff.nxv8i8.i64(<vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } poison, <vscale x 8 x i8> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP2]], <vscale x 8 x i8> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP4]], <vscale x 8 x i8> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP6]], <vscale x 8 x i8> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    [[TMP10:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP8]], <vscale x 8 x i8> [[TMP9]], 4
+// CHECK-RV64-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 5
+// CHECK-RV64-NEXT:    [[TMP12:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP10]], <vscale x 8 x i8> [[TMP11]], 5
+// CHECK-RV64-NEXT:    [[TMP13:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 6
+// CHECK-RV64-NEXT:    [[TMP14:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP12]], <vscale x 8 x i8> [[TMP13]], 6
+// CHECK-RV64-NEXT:    [[TMP15:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 7
+// CHECK-RV64-NEXT:    [[TMP16:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP14]], <vscale x 8 x i8> [[TMP15]], 7
+// CHECK-RV64-NEXT:    [[TMP17:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 8
+// CHECK-RV64-NEXT:    store i64 [[TMP17]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP16]]
+//
+vint8m1x8_t test_th_vlseg8e8ff_v_i8m1x8(const int8_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg8e8ff_v_i8m1x8(base, new_vl, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } @test_th_vlseg8e8ff_v_u8m1x8
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], ptr noundef [[NEW_VL:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = call { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } @llvm.riscv.th.vlseg8eff.nxv8i8.i64(<vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, <vscale x 8 x i8> poison, ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 0
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } poison, <vscale x 8 x i8> [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 1
+// CHECK-RV64-NEXT:    [[TMP4:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP2]], <vscale x 8 x i8> [[TMP3]], 1
+// CHECK-RV64-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 2
+// CHECK-RV64-NEXT:    [[TMP6:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP4]], <vscale x 8 x i8> [[TMP5]], 2
+// CHECK-RV64-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 3
+// CHECK-RV64-NEXT:    [[TMP8:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP6]], <vscale x 8 x i8> [[TMP7]], 3
+// CHECK-RV64-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 4
+// CHECK-RV64-NEXT:    [[TMP10:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP8]], <vscale x 8 x i8> [[TMP9]], 4
+// CHECK-RV64-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 5
+// CHECK-RV64-NEXT:    [[TMP12:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP10]], <vscale x 8 x i8> [[TMP11]], 5
+// CHECK-RV64-NEXT:    [[TMP13:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 6
+// CHECK-RV64-NEXT:    [[TMP14:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP12]], <vscale x 8 x i8> [[TMP13]], 6
+// CHECK-RV64-NEXT:    [[TMP15:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 7
+// CHECK-RV64-NEXT:    [[TMP16:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP14]], <vscale x 8 x i8> [[TMP15]], 7
+// CHECK-RV64-NEXT:    [[TMP17:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, i64 } [[TMP0]], 8
+// CHECK-RV64-NEXT:    store i64 [[TMP17]], ptr [[NEW_VL]], align 8
+// CHECK-RV64-NEXT:    ret { <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP16]]
+//
+vuint8m1x8_t test_th_vlseg8e8ff_v_u8m1x8(const uint8_t *base, size_t *new_vl, size_t vl) {
+  return __riscv_th_vlseg8e8ff_v_u8m1x8(base, new_vl, vl);
+}
diff --git a/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vsseg2e8.c b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vsseg2e8.c
new file mode 100644
index 00000000000000..e80d3a7dc12985
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/rvv0p71-intrinsics-handcrafted/zvlsseg/unit-stride/vsseg2e8.c
@@ -0,0 +1,90 @@
+// RUN: %clang_cc1 -triple riscv64 -target-feature +xtheadvector \
+// RUN:   -disable-O0-optnone -emit-llvm %s -o - | \
+// RUN:   opt -S -passes=mem2reg | \
+// RUN:   FileCheck --check-prefix=CHECK-RV64 %s
+
+#include <riscv_vector.h>
+
+// CHECK-RV64-LABEL: define dso_local void @test_th_vsseg2e8_v_i8m1x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], <vscale x 8 x i8> [[TUPLE0:%.*]], <vscale x 8 x i8> [[TUPLE1:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8> } poison, <vscale x 8 x i8> [[TUPLE0]], 0
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP0]], <vscale x 8 x i8> [[TUPLE1]], 1
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP1]], 1
+// CHECK-RV64-NEXT:    call void @llvm.riscv.th.vsseg2e.nxv8i8.i64(<vscale x 8 x i8> [[TMP2]], <vscale x 8 x i8> [[TMP3]], ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret void
+//
+void test_th_vsseg2e8_v_i8m1x2(int8_t *base, vint8m1x2_t v_tuple, size_t vl) {
+  return __riscv_th_vsseg2e8_v_i8m1x2(base, v_tuple, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local void @test_th_vsseg2e8_v_i8m2x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], <vscale x 16 x i8> [[TUPLE0:%.*]], <vscale x 16 x i8> [[TUPLE1:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = insertvalue { <vscale x 16 x i8>, <vscale x 16 x i8> } poison, <vscale x 16 x i8> [[TUPLE0]], 0
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = insertvalue { <vscale x 16 x i8>, <vscale x 16 x i8> } [[TMP0]], <vscale x 16 x i8> [[TUPLE1]], 1
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = extractvalue { <vscale x 16 x i8>, <vscale x 16 x i8> } [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 16 x i8>, <vscale x 16 x i8> } [[TMP1]], 1
+// CHECK-RV64-NEXT:    call void @llvm.riscv.th.vsseg2e.nxv16i8.i64(<vscale x 16 x i8> [[TMP2]], <vscale x 16 x i8> [[TMP3]], ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret void
+//
+void test_th_vsseg2e8_v_i8m2x2(int8_t *base, vint8m2x2_t v_tuple, size_t vl) {
+  return __riscv_th_vsseg2e8_v_i8m2x2(base, v_tuple, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local void @test_th_vsseg2e8_v_i8m4x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], <vscale x 32 x i8> [[TUPLE0:%.*]], <vscale x 32 x i8> [[TUPLE1:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = insertvalue { <vscale x 32 x i8>, <vscale x 32 x i8> } poison, <vscale x 32 x i8> [[TUPLE0]], 0
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = insertvalue { <vscale x 32 x i8>, <vscale x 32 x i8> } [[TMP0]], <vscale x 32 x i8> [[TUPLE1]], 1
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = extractvalue { <vscale x 32 x i8>, <vscale x 32 x i8> } [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 32 x i8>, <vscale x 32 x i8> } [[TMP1]], 1
+// CHECK-RV64-NEXT:    call void @llvm.riscv.th.vsseg2e.nxv32i8.i64(<vscale x 32 x i8> [[TMP2]], <vscale x 32 x i8> [[TMP3]], ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret void
+//
+void test_th_vsseg2e8_v_i8m4x2(int8_t *base, vint8m4x2_t v_tuple, size_t vl) {
+  return __riscv_th_vsseg2e8_v_i8m4x2(base, v_tuple, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local void @test_th_vsseg2e8_v_u8m1x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], <vscale x 8 x i8> [[TUPLE0:%.*]], <vscale x 8 x i8> [[TUPLE1:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8> } poison, <vscale x 8 x i8> [[TUPLE0]], 0
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = insertvalue { <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP0]], <vscale x 8 x i8> [[TUPLE1]], 1
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 8 x i8>, <vscale x 8 x i8> } [[TMP1]], 1
+// CHECK-RV64-NEXT:    call void @llvm.riscv.th.vsseg2e.nxv8i8.i64(<vscale x 8 x i8> [[TMP2]], <vscale x 8 x i8> [[TMP3]], ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret void
+//
+void test_th_vsseg2e8_v_u8m1x2(uint8_t *base, vuint8m1x2_t v_tuple, size_t vl) {
+  return __riscv_th_vsseg2e8_v_u8m1x2(base, v_tuple, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local void @test_th_vsseg2e8_v_u8m2x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], <vscale x 16 x i8> [[TUPLE0:%.*]], <vscale x 16 x i8> [[TUPLE1:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = insertvalue { <vscale x 16 x i8>, <vscale x 16 x i8> } poison, <vscale x 16 x i8> [[TUPLE0]], 0
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = insertvalue { <vscale x 16 x i8>, <vscale x 16 x i8> } [[TMP0]], <vscale x 16 x i8> [[TUPLE1]], 1
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = extractvalue { <vscale x 16 x i8>, <vscale x 16 x i8> } [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 16 x i8>, <vscale x 16 x i8> } [[TMP1]], 1
+// CHECK-RV64-NEXT:    call void @llvm.riscv.th.vsseg2e.nxv16i8.i64(<vscale x 16 x i8> [[TMP2]], <vscale x 16 x i8> [[TMP3]], ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret void
+//
+void test_th_vsseg2e8_v_u8m2x2(uint8_t *base, vuint8m2x2_t v_tuple, size_t vl) {
+  return __riscv_th_vsseg2e8_v_u8m2x2(base, v_tuple, vl);
+}
+
+// CHECK-RV64-LABEL: define dso_local void @test_th_vsseg2e8_v_u8m4x2
+// CHECK-RV64-SAME: (ptr noundef [[BASE:%.*]], <vscale x 32 x i8> [[TUPLE0:%.*]], <vscale x 32 x i8> [[TUPLE1:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-RV64-NEXT:  entry:
+// CHECK-RV64-NEXT:    [[TMP0:%.*]] = insertvalue { <vscale x 32 x i8>, <vscale x 32 x i8> } poison, <vscale x 32 x i8> [[TUPLE0]], 0
+// CHECK-RV64-NEXT:    [[TMP1:%.*]] = insertvalue { <vscale x 32 x i8>, <vscale x 32 x i8> } [[TMP0]], <vscale x 32 x i8> [[TUPLE1]], 1
+// CHECK-RV64-NEXT:    [[TMP2:%.*]] = extractvalue { <vscale x 32 x i8>, <vscale x 32 x i8> } [[TMP1]], 0
+// CHECK-RV64-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 32 x i8>, <vscale x 32 x i8> } [[TMP1]], 1
+// CHECK-RV64-NEXT:    call void @llvm.riscv.th.vsseg2e.nxv32i8.i64(<vscale x 32 x i8> [[TMP2]], <vscale x 32 x i8> [[TMP3]], ptr [[BASE]], i64 [[VL]])
+// CHECK-RV64-NEXT:    ret void
+//
+void test_th_vsseg2e8_v_u8m4x2(uint8_t *base, vuint8m4x2_t v_tuple, size_t vl) {
+  return __riscv_th_vsseg2e8_v_u8m4x2(base, v_tuple, vl);
+}
diff --git a/llvm/include/llvm/IR/IntrinsicsRISCVXTHeadV.td b/llvm/include/llvm/IR/IntrinsicsRISCVXTHeadV.td
index 5ea855df71a04c..740afc80db38c3 100644
--- a/llvm/include/llvm/IR/IntrinsicsRISCVXTHeadV.td
+++ b/llvm/include/llvm/IR/IntrinsicsRISCVXTHeadV.td
@@ -15,6 +15,8 @@
 //===----------------------------------------------------------------------===//
 // Vectors version 0.7.1
 
+defvar NFList = [2, 3, 4, 5, 6, 7, 8];
+
 let TargetPrefix = "riscv" in {
   // 6. Configuration-Setting and Utility
   def int_riscv_th_vsetvl    : Intrinsic<[llvm_anyint_ty],
@@ -322,7 +324,7 @@ let TargetPrefix = "riscv" in {
     def "int_riscv_th_" # NAME # "_mask" : XVUSSegStoreMasked<nf>;
   }
 
-  foreach nf = [2, 3, 4, 5, 6, 7, 8] in {
+  foreach nf = NFList in {
     defm "vlseg" # nf # "b" : XVUSSegLoad<nf>;
     defm "vlseg" # nf # "bu" : XVUSSegLoad<nf>;
     defm "vlseg" # nf # "h" : XVUSSegLoad<nf>;
@@ -372,7 +374,7 @@ let TargetPrefix = "riscv" in {
     def "int_riscv_th_" # NAME # "_mask" : XVUSSegLoadFFMasked<nf>;
   }
 
-  foreach nf = [2, 3, 4, 5, 6, 7, 8] in {
+  foreach nf = NFList in {
     defm vlseg # nf # eff : XVUSSegLoadFF<nf>;
   }
 
@@ -436,7 +438,7 @@ let TargetPrefix = "riscv" in {
     def "int_riscv_th_" # NAME # "_mask" : XVSSegStoreMasked<nf>;
   }
 
-  foreach nf = [2, 3, 4, 5, 6, 7, 8] in {
+  foreach nf = NFList in {
     defm "vlsseg" # nf # "b" : XVSSegLoad<nf>;
     defm "vlsseg" # nf # "bu" : XVSSegLoad<nf>;
     defm "vlsseg" # nf # "h" : XVSSegLoad<nf>;
@@ -511,7 +513,7 @@ let TargetPrefix = "riscv" in {
     def "int_riscv_th_" # NAME # "_mask" : XVISegStoreMasked<nf>;
   }
 
-  foreach nf = [2, 3, 4, 5, 6, 7, 8] in {
+  foreach nf = NFList in {
     defm "vlxseg" # nf # "b" : XVISegLoad<nf>;
     defm "vlxseg" # nf # "bu" : XVISegLoad<nf>;
     defm "vlxseg" # nf # "h" : XVISegLoad<nf>;