[llvm] [MemoryLocation] Size Scalable Masked MemOps (PR #154785)

[Matthew Devereau via llvm-commits]

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@@ -150,6 +150,29 @@ MemoryLocation::getForDest(const CallBase *CB, const TargetLibraryInfo &TLI) {
   return MemoryLocation::getBeforeOrAfter(UsedV, CB->getAAMetadata());
 }
 
+static std::optional<FixedVectorType *>
+getFixedTypeFromScalableMemOp(Value *Mask, Type *Ty) {
+  auto ActiveLaneMask = dyn_cast<IntrinsicInst>(Mask);
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MDevereau wrote:

I avoided this because I was worried about compile time. This module doesn't include any match headers, plus it's quite low level and small sized. I haven't tested this though so it might not be a big deal.

https://github.com/llvm/llvm-project/pull/154785