[PATCH] D45673: [x86] Fix PR37100 by teaching the EFLAGS copy lowering to rewrite uses across basic blocks in the limited cases where it is very straight forward to do so.

[Chandler Carruth via Phabricator via llvm-commits]

chandlerc updated this revision to Diff 142721.
chandlerc added a comment.

Arrange this test case to be slightly less brittle.


Repository:
  rL LLVM

https://reviews.llvm.org/D45673

Files:
  llvm/lib/Target/X86/X86FlagsCopyLowering.cpp
  llvm/test/CodeGen/X86/O0-pipeline.ll
  llvm/test/CodeGen/X86/O3-pipeline.ll
  llvm/test/CodeGen/X86/copy-eflags.ll

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