[llvm] [VPlan] Rename VectorEndPointer's IndexedTy to SourceElementTy (NFC) (PR #178856)

[Ramkumar Ramachandra via llvm-commits]

https://github.com/artagnon created https://github.com/llvm/llvm-project/pull/178856

For consistency with IR terminology.

>From dec65cd3cbc609bc6e38750a3bd7cce6a970329b Mon Sep 17 00:00:00 2001
From: Ramkumar Ramachandra <artagnon at tenstorrent.com>
Date: Fri, 30 Jan 2026 09:58:42 +0000
Subject: [PATCH] [VPlan] Rename VectorEndPointer's IndexedTy to
 SourceElementTy (NFC)

For consistency with IR terminology.
---
 llvm/lib/Transforms/Vectorize/VPlan.h          | 17 +++++++++--------
 llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp |  6 +++---
 2 files changed, 12 insertions(+), 11 deletions(-)

diff --git a/llvm/lib/Transforms/Vectorize/VPlan.h b/llvm/lib/Transforms/Vectorize/VPlan.h
index f650971c6b397..48c156a538d00 100644
--- a/llvm/lib/Transforms/Vectorize/VPlan.h
+++ b/llvm/lib/Transforms/Vectorize/VPlan.h
@@ -1985,27 +1985,28 @@ class LLVM_ABI_FOR_TEST VPWidenGEPRecipe : public VPRecipeWithIRFlags {
 };
 
 /// A recipe to compute a pointer to the last element of each part of a widened
-/// memory access for widened memory accesses of IndexedTy. Used for
+/// memory access for widened memory accesses of SourceElementTy. Used for
 /// VPWidenMemoryRecipes or VPInterleaveRecipes that are reversed.
 class VPVectorEndPointerRecipe : public VPRecipeWithIRFlags,
                                  public VPUnrollPartAccessor<2> {
-  Type *IndexedTy;
+  Type *SourceElementTy;
 
   /// The constant stride of the pointer computed by this recipe, expressed in
-  /// units of IndexedTy.
+  /// units of SourceElementTy.
   int64_t Stride;
 
 public:
-  VPVectorEndPointerRecipe(VPValue *Ptr, VPValue *VF, Type *IndexedTy,
+  VPVectorEndPointerRecipe(VPValue *Ptr, VPValue *VF, Type *SourceElementTy,
                            int64_t Stride, GEPNoWrapFlags GEPFlags, DebugLoc DL)
       : VPRecipeWithIRFlags(VPRecipeBase::VPVectorEndPointerSC,
                             ArrayRef<VPValue *>({Ptr, VF}), GEPFlags, DL),
-        IndexedTy(IndexedTy), Stride(Stride) {
+        SourceElementTy(SourceElementTy), Stride(Stride) {
     assert(Stride < 0 && "Stride must be negative");
   }
 
   VP_CLASSOF_IMPL(VPRecipeBase::VPVectorEndPointerSC)
 
+  Type *getSourceElementType() const { return SourceElementTy; }
   VPValue *getVFValue() { return getOperand(1); }
   const VPValue *getVFValue() const { return getOperand(1); }
 
@@ -2033,9 +2034,9 @@ class VPVectorEndPointerRecipe : public VPRecipeWithIRFlags,
   }
 
   VPVectorEndPointerRecipe *clone() override {
-    return new VPVectorEndPointerRecipe(getOperand(0), getVFValue(), IndexedTy,
-                                        Stride, getGEPNoWrapFlags(),
-                                        getDebugLoc());
+    return new VPVectorEndPointerRecipe(getOperand(0), getVFValue(),
+                                        getSourceElementType(), Stride,
+                                        getGEPNoWrapFlags(), getDebugLoc());
   }
 
 protected:
diff --git a/llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp b/llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp
index 1a90da86691f9..76e32243839e0 100644
--- a/llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp
+++ b/llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp
@@ -2610,9 +2610,9 @@ void VPVectorEndPointerRecipe::execute(VPTransformState &State) {
     LastLane =
         Builder.CreateMul(ConstantInt::getSigned(IndexTy, Stride), LastLane);
   Value *Ptr = State.get(getOperand(0), VPLane(0));
-  Value *ResultPtr =
-      Builder.CreateGEP(IndexedTy, Ptr, NumElt, "", getGEPNoWrapFlags());
-  ResultPtr = Builder.CreateGEP(IndexedTy, ResultPtr, LastLane, "",
+  Value *ResultPtr = Builder.CreateGEP(getSourceElementType(), Ptr, NumElt, "",
+                                       getGEPNoWrapFlags());
+  ResultPtr = Builder.CreateGEP(getSourceElementType(), ResultPtr, LastLane, "",
                                 getGEPNoWrapFlags());
 
   State.set(this, ResultPtr, /*IsScalar*/ true);