[all-commits] [llvm/llvm-project] e7c454: [X86] combineBitcastvxi1 - peek through bitcast(co...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e7c454630732c6095406630243cf4f9485ea1ecb
      https://github.com/llvm/llvm-project/commit/e7c454630732c6095406630243cf4f9485ea1ecb
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2023-04-04 (Tue, 04 Apr 2023)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/test/CodeGen/X86/bitcast-and-setcc-256.ll

  Log Message:
  -----------
  [X86] combineBitcastvxi1 - peek through bitcast(concat(X,undef,undef,undef)) -> aext(bitcast(X))

Improves fix for #61683 to handle cases where the legalization concatenation isn't just 2 subops.