[all-commits] [llvm/llvm-project] c2a5a8: [X86] Add some test coverage for Issue #55271

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: c2a5a87500d92c7c2e76c595f1b0f439b98b0aff
      https://github.com/llvm/llvm-project/commit/c2a5a87500d92c7c2e76c595f1b0f439b98b0aff
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2022-05-05 (Thu, 05 May 2022)

  Changed paths:
    M llvm/test/CodeGen/X86/combine-srem.ll
    M llvm/test/CodeGen/X86/combine-urem.ll

  Log Message:
  -----------
  [X86] Add some test coverage for Issue #55271

We needed something that would delay the creation of the undef until after the rem-by-constant expansion, so I used a SSE shift of undef by zero which will expand to undef.