[PATCH] D89198: [X86] Define __LAHF_SAHF__ if feature 'sahf' is set

[Fangrui Song via Phabricator via cfe-commits]

MaskRay created this revision.
MaskRay added reviewers: craig.topper, dim, fweimer.
Herald added subscribers: cfe-commits, pengfei.
Herald added a project: clang.
MaskRay requested review of this revision.

Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D89198

Files:
  clang/lib/Basic/Targets/X86.cpp
  clang/test/Preprocessor/predefined-arch-macros.c

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