[all-commits] [llvm/llvm-project] b6820c: [MachinePipeliner] Remove UB from tests (NFC) (#12...

[Ryotaro Kasuga via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: b6820c35c59a4da3e59c11f657093ffbd79ae1db
      https://github.com/llvm/llvm-project/commit/b6820c35c59a4da3e59c11f657093ffbd79ae1db
  Author: Ryotaro Kasuga <kasuga.ryotaro at fujitsu.com>
  Date:   2025-04-21 (Mon, 21 Apr 2025)

  Changed paths:
    M llvm/test/CodeGen/Hexagon/swp-epilog-phi11.ll
    M llvm/test/CodeGen/Hexagon/swp-epilog-phi12.ll
    M llvm/test/CodeGen/Hexagon/swp-epilog-phi13.ll
    M llvm/test/CodeGen/Hexagon/swp-epilog-phi6.ll
    M llvm/test/CodeGen/Hexagon/swp-epilog-phi9.ll

  Log Message:
  -----------
  [MachinePipeliner] Remove UB from tests (NFC) (#123169)

This patch removes UB from some tests for MachinePipeliner. This patch
fixes following cases.

- Branching on an `undef` value.
- Using `undef`/`null` as a pointer operand of a load/store.

There are other tests of pipeliner that contain the same UB, but for
now, this patch fixes particularly unstable cases when I developed
pipeliner.



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