[PATCH] D48102: Improve handling of COPY instructions with identical value numbers

[Krzysztof Parzyszek via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL334594: Improve handling of COPY instructions with identical value numbers (authored by kparzysz, committed by ).

Changed prior to commit:
  https://reviews.llvm.org/D48102?vs=151050&id=151136#toc

Repository:
  rL LLVM

https://reviews.llvm.org/D48102

Files:
  llvm/trunk/lib/CodeGen/RegisterCoalescer.cpp
  llvm/trunk/test/CodeGen/AMDGPU/coalescing-with-subregs-in-loop-bug.mir

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