[PATCH] D137711: [X86] Use lock add/sub for cases that we only care about the EFLAGS

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon accepted this revision.
RKSimon added a comment.
This revision is now accepted and ready to land.

LGTM (with the test precommit) - cheers



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Comment at: llvm/test/CodeGen/X86/pr58685.ll:49
+  ret i1 %5
+}
----------------
Please pre-commit these tests with current codegen and rebase the patch so that the commit shows the codegen diff


Repository:
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https://reviews.llvm.org/D137711