[all-commits] [llvm/llvm-project] 2347aa: [SLP][REVEC] Fix the mismatch between the result o...

[Han-Kuan Chen via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 2347aa1fccdb1347450fc2a5af310f320f30c734
      https://github.com/llvm/llvm-project/commit/2347aa1fccdb1347450fc2a5af310f320f30c734
  Author: Han-Kuan Chen <hankuan.chen at sifive.com>
  Date:   2025-04-08 (Tue, 08 Apr 2025)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
    A llvm/test/Transforms/SLPVectorizer/X86/revec-getAltInstrMask.ll

  Log Message:
  -----------
  [SLP][REVEC] Fix the mismatch between the result of getAltInstrMask and the VecTy argument of TargetTransformInfo::isLegalAltInstr. (#134795)

We cannot determine ScalarTy from VL because some ScalarTy is determined
from VL[0]->getType(), while others are determined from
getValueType(VL[0]).

Fix "Mask and VecTy are incompatible".



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