[all-commits] [llvm/llvm-project] 492202: [X86] lowerShuffleWithPSHUFB - use getConstVector ...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 492202ec237f97299c6c2070a79be4c10826992f
      https://github.com/llvm/llvm-project/commit/492202ec237f97299c6c2070a79be4c10826992f
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2026-06-02 (Tue, 02 Jun 2026)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/test/CodeGen/X86/shuffle-strided-with-offset-512.ll
    M llvm/test/CodeGen/X86/shuffle-vs-trunc-512.ll
    M llvm/test/CodeGen/X86/vector-interleaved-load-i8-stride-2.ll

  Log Message:
  -----------
  [X86] lowerShuffleWithPSHUFB - use getConstVector to create shuffle mask (#201122)

Avoids wasteful SDValue creation if the shuffle matching fails - and
makes it easier to match+merge compatible constant pool entries



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