[all-commits] [llvm/llvm-project] f2f9ea: [X86] matchShuffleAsVSHLD - fix incorrect shift fa...

Simon Pilgrim via All-commits all-commits at lists.llvm.org
Mon Jun 1 02:17:50 PDT 2026


  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: f2f9eae932778b04ab31760c7c068eb6bafb10fe
      https://github.com/llvm/llvm-project/commit/f2f9eae932778b04ab31760c7c068eb6bafb10fe
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2026-06-01 (Mon, 01 Jun 2026)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/test/CodeGen/X86/vector-shuffle-combining-avx512vbmi2.ll

  Log Message:
  -----------
  [X86] matchShuffleAsVSHLD - fix incorrect shift factor (#200754)

#200604 left the non-commuted case to still scale by 8bits instead of the src scalar bit size



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