[all-commits] [llvm/llvm-project] 0c69cb: [X86] Add test coverage for and(ext(and(x, c1)), c2...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 0c69cb226a5793a55ded496b0dda2b335630b19d
      https://github.com/llvm/llvm-project/commit/0c69cb226a5793a55ded496b0dda2b335630b19d
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2023-01-23 (Mon, 23 Jan 2023)

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

  Log Message:
  -----------
  [X86] Add test coverage for and(ext(and(x, c1)),c2) patterns

This shows the failure to merge to and(ext(x),and(c1,ext(c2))) if the outer and has already been folded to a clear shuffle mask

Similar to the v8i1-masks.ll from regression D127115