[all-commits] [llvm/llvm-project] 8d5985: Revert rGf269877dc30777354be8a512e871aba1b1f9fd7a ...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 8d598531b3f5435e51fed47e9de989d209bac426
      https://github.com/llvm/llvm-project/commit/8d598531b3f5435e51fed47e9de989d209bac426
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2023-07-13 (Thu, 13 Jul 2023)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/test/CodeGen/X86/vector-interleaved-load-i8-stride-4.ll
    M llvm/test/CodeGen/X86/vector-interleaved-load-i8-stride-7.ll
    M llvm/test/CodeGen/X86/vector-interleaved-load-i8-stride-8.ll
    M llvm/test/CodeGen/X86/vector-interleaved-store-i8-stride-6.ll
    M llvm/test/CodeGen/X86/vector-interleaved-store-i8-stride-8.ll

  Log Message:
  -----------
  Revert rGf269877dc30777354be8a512e871aba1b1f9fd7a "[X86] canonicalizeShuffleMaskWithHorizOp - fold permute(pack(x,y)) -> pack(shuffle(x,y),undef) iff we only demand the lower elements"

This appears to be causing some infinite loops (and is particularly bad when D152928 is applied).