[all-commits] [llvm/llvm-project] c08f80: [X86] select.ll - add ADD/SUB identity select test...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: c08f80e348ed84e4372d4a8687dfcaaa2df813aa
      https://github.com/llvm/llvm-project/commit/c08f80e348ed84e4372d4a8687dfcaaa2df813aa
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2024-09-06 (Fri, 06 Sep 2024)

  Changed paths:
    M llvm/test/CodeGen/X86/select.ll

  Log Message:
  -----------
  [X86] select.ll - add ADD/SUB identity select test cases

LowerSELECTWithCmpZero already handles "SELECT (X != 0), Y, (OR/XOR Y, Z) -> (OR/XOR Y, (AND (0 - X), Z))" - we can also handle ADD/SUB in a similar way, although SUB is more restricted as its not commutative.



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