[all-commits] [llvm/llvm-project] 2c7e7b: [X86] Extend shuf128(concat(x, y), concat(z, w)) -> s...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 2c7e7b5627c5848e747904fb29b8ad700170ae59
      https://github.com/llvm/llvm-project/commit/2c7e7b5627c5848e747904fb29b8ad700170ae59
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2025-03-06 (Thu, 06 Mar 2025)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/test/CodeGen/X86/vector-interleaved-store-i16-stride-3.ll
    M llvm/test/CodeGen/X86/vector-interleaved-store-i16-stride-5.ll
    M llvm/test/CodeGen/X86/vector-interleaved-store-i16-stride-7.ll
    M llvm/test/CodeGen/X86/vector-interleaved-store-i8-stride-5.ll

  Log Message:
  -----------
  [X86] Extend shuf128(concat(x,y),concat(z,w)) -> shuf128(widen(y),widen(w)) folds to peek through bitcasts (#129896)

Peek through bitcasts when looking for freely accessible upper subvectors



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