[llvm] [VPlan] Use DL index type consistently for GEPs (PR #169396)

[Luke Lau via llvm-commits]

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@@ -2593,22 +2607,15 @@ void VPWidenGEPRecipe::printRecipe(raw_ostream &O, const Twine &Indent,
 }
 #endif
 
-static Type *getGEPIndexTy(bool IsScalable, bool IsReverse, bool IsUnitStride,
-                           unsigned CurrentPart, IRBuilderBase &Builder) {
-  // Use i32 for the gep index type when the value is constant,
-  // or query DataLayout for a more suitable index type otherwise.
+static Type *getGEPIndexTy(IRBuilderBase &Builder) {
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lukel97 wrote:

This function is simple enough now that I think we can just inline it at the call sites

https://github.com/llvm/llvm-project/pull/169396