[all-commits] [llvm/llvm-project] b71f55: [LLVMABI] Add a union test for two data bytes in t...

[Adam Smith via All-commits]

  Branch: refs/heads/users/adams381/llvmabi-union-padding-narrowing
  Home:   https://github.com/llvm/llvm-project
  Commit: b71f556b0c38d1785dbb8f5261af2410e134e3a7
      https://github.com/llvm/llvm-project/commit/b71f556b0c38d1785dbb8f5261af2410e134e3a7
  Author: Adam Smith <adams at nvidia.com>
  Date:   2026-09-15 (Tue, 15 Sep 2026)

  Changed paths:
    M llvm/unittests/ABI/X86TargetInfoTest.cpp

  Log Message:
  -----------
  [LLVMABI] Add a union test for two data bytes in the tail eightbyte

One data byte past the first eightbyte narrows the coercion to i8 and two
do not, which the existing tests left implicit.  A 10-byte array in a
union with a pointer keeps i64.

Assisted-by: Cursor / claude-opus-5



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