[all-commits] [llvm/llvm-project] d02848: [X86] or-with-overflow.ll - adjust or_i64_ri const...

Simon Pilgrim via All-commits all-commits at lists.llvm.org
Sat May 6 14:43:11 PDT 2023

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: d02848b2ab3a28e03e2b7bc0d47a8fbff4ed579a
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2023-05-06 (Sat, 06 May 2023)

  Changed paths:
    M llvm/test/CodeGen/X86/or-with-overflow.ll

  Log Message:
  [X86] or-with-overflow.ll - adjust or_i64_ri constant to not constant fold the icmp

Better KnownBits handling of the icmp and/or an upcoming USUBSAT fold would constant fold this test away and prevent us testing for a cleared overflow flag.

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