[all-commits] [llvm/llvm-project] a829eb: [Triple] Ignore the vendor field for MinGW, wrt LT...

[Martin Storsjö via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: a829ebadd4211bec24e99f4395ef855eff456eb1
      https://github.com/llvm/llvm-project/commit/a829ebadd4211bec24e99f4395ef855eff456eb1
  Author: Martin Storsjö <martin at martin.st>
  Date:   2025-01-15 (Wed, 15 Jan 2025)

  Changed paths:
    M llvm/lib/TargetParser/Triple.cpp
    M llvm/unittests/TargetParser/TripleTest.cpp

  Log Message:
  -----------
  [Triple] Ignore the vendor field for MinGW, wrt LTO/IR compatibility (#122801)

For MinGW environments, the regular C/C++ toolchains usually use "w64"
for the vendor field in triples, while Rust toolchains usually use "pc"
in the vendor field.

The differences in the vendor field have no bearing on whether the IR is
compatible on this platform. (This probably goes for most other OSes as
well, but limiting the scope of the change to the specific case.)

Add a unit test for the isCompatibleWith, including some existing test
cases found in existing tests.



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