[all-commits] [llvm/llvm-project] dde7f4: [NFC][clang] Add ubsan-trap-merge.ll test to show ...

[Thurston Dang via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: dde7f4d024d071d883cfb7812f31866e767b6ab9
      https://github.com/llvm/llvm-project/commit/dde7f4d024d071d883cfb7812f31866e767b6ab9
  Author: Thurston Dang <thurston at google.com>
  Date:   2024-11-26 (Tue, 26 Nov 2024)

  Changed paths:
    A llvm/test/CodeGen/X86/ubsan-trap-merge.ll
    A llvm/test/CodeGen/X86/ubsan-trap-nomerge.ll

  Log Message:
  -----------
  [NFC][clang] Add ubsan-trap-merge.ll test to show absence of nomerge considered harmful (#117657)

These testcases demonstrate that ubsan intrinsics are merged in the
backend iff nomerge is missing from ubsantrap intrinsics.

This is based on the observation and testcase by Vitaly Buka in
https://github.com/llvm/llvm-project/pull/83470.



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