[PATCH] D89197: [X86] Support -march=x86-64-v[234]

[Craig Topper via Phabricator via cfe-commits]

craig.topper added a comment.

In D89197#2323946 <https://reviews.llvm.org/D89197#2323946>, @MaskRay wrote:

> Test __LAHF_SAHF__
> Update clang/docs/ReleaseNotes.rst
> Update clang/test/CodeGen/attr-target-x86.c to test X86.td changes. Ideally "target-features" should be testable with llc to have better layering

How does attr-target-x86.c test the X86.td changes?


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