[PATCH] D15157: CodeGen peephole: fold redundant phys reg copies

[JF Bastien via llvm-commits]

jfb updated this revision to Diff 41812.
jfb marked an inline comment as done.
jfb added a comment.

Address qcolombet's comments:

- Rename test file.
- Add more tests.
- Make the tests positive.
- Document asserts.
- Also test for reg mask clobbering.


http://reviews.llvm.org/D15157

Files:
  lib/CodeGen/PeepholeOptimizer.cpp
  test/CodeGen/X86/peephole-na-phys-copy-folding.ll

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