[all-commits] [llvm/llvm-project] 26c9be: [X86] Only call combineBitcastToBoolVector after l...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 26c9be2b8d2720700ecc88dcd5b30a77d3b67b18
      https://github.com/llvm/llvm-project/commit/26c9be2b8d2720700ecc88dcd5b30a77d3b67b18
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2025-01-18 (Sat, 18 Jan 2025)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    A llvm/test/CodeGen/X86/pr123333.ll

  Log Message:
  -----------
  [X86] Only call combineBitcastToBoolVector after legalization (#123386)

Prevents infinite loop between combineBitcastToBoolVector and hoistLogicOpWithSameOpcodeHands, which only performs the "logicop(bitcast(A),bitcast(B)) -> bitcast(logicop(A,B))" upto type legalization.

combineBitcastToBoolVector doesn't care much as its mainly for AVX512 cleanup that X86DomainReassignment can't handle for us.

Fixes #123333



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