[all-commits] [llvm/llvm-project] 7ac4c9: [X86] Remove unnecessary custom lowering of vXi1 S...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 7ac4c956afa2587cf19c96993a6cfa693a6de532
      https://github.com/llvm/llvm-project/commit/7ac4c956afa2587cf19c96993a6cfa693a6de532
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2021-02-26 (Fri, 26 Feb 2021)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/test/CodeGen/X86/vec_saddo.ll
    M llvm/test/CodeGen/X86/vec_ssubo.ll

  Log Message:
  -----------
  [X86] Remove unnecessary custom lowering of vXi1 SADDSAT/SSUBSAT/UADDSAT/USUBSAT

As discussed on D97478. The removal of the custom tag causes some changes in the add/sub-overflow expansion as it no longer expands to sat-arith codegen.