[PATCH] D58632: [X86] Improve lowering of idemptotent RMW operations

Craig Topper via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Fri May 10 08:57:15 PDT 2019 

craig.topper added a comment.

@sammccall, any chance you’ve seen it with an asserts build? I think the debug output might say which registers it was trying to copy.


Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D58632/new/

https://reviews.llvm.org/D58632

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