[all-commits] [llvm/llvm-project] 78935e: [Test] Add tests demonstrating missing case of usu...

[max-azul via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 78935ea1e71514300ac206417b7531f72fdc4427
      https://github.com/llvm/llvm-project/commit/78935ea1e71514300ac206417b7531f72fdc4427
  Author: Max Kazantsev <mkazantsev at azul.com>
  Date:   2021-02-05 (Fri, 05 Feb 2021)

  Changed paths:
    A llvm/test/CodeGen/X86/usub_inc_iv.ll

  Log Message:
  -----------
  [Test] Add tests demonstrating missing case of usub with overflow usage

The test shows how "usub with overflow" opt gets or does not get applied
to increment of IV depending on its code placement, while two cases are
semantically equivalent.