[all-commits] [llvm/llvm-project] f412b7: [InstCombine] Return poison if all lanes are poison

[Nikita Popov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: f412b78ffc2b88b614a10310ca9ba473f1f0f9b9
      https://github.com/llvm/llvm-project/commit/f412b78ffc2b88b614a10310ca9ba473f1f0f9b9
  Author: Nikita Popov <npopov at redhat.com>
  Date:   2023-12-19 (Tue, 19 Dec 2023)

  Changed paths:
    M llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp
    M llvm/test/Transforms/InstCombine/X86/x86-pack-inseltpoison.ll
    M llvm/test/Transforms/InstCombine/X86/x86-pshufb-inseltpoison.ll
    M llvm/test/Transforms/InstCombine/X86/x86-sse4a-inseltpoison.ll
    M llvm/test/Transforms/InstCombine/X86/x86-sse4a.ll
    M llvm/test/Transforms/InstCombine/vec_demanded_elts-inseltpoison.ll

  Log Message:
  -----------
  [InstCombine] Return poison if all lanes are poison