[llvm-branch-commits] [llvm] [RISCV] Support memcmp expansion for vectors (PR #114517)

[Pengcheng Wang via llvm-branch-commits]

================
@@ -2952,5 +2952,22 @@ RISCVTTIImpl::enableMemCmpExpansion(bool OptSize, bool 
IsZeroCmp) const {
     Options.LoadSizes = {4, 2, 1};
     Options.AllowedTailExpansions = {3};
   }
+
+  if (IsZeroCmp && ST->hasVInstructions() && ST->enableUnalignedVectorMem()) {
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wangpc-pp wrote:

Yeah, we don't need this check at all. I just forgot to remove this part. :D

https://github.com/llvm/llvm-project/pull/114517
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