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Revert "Improve handling of COPY instructions with identical value numbers"
authorKrzysztof Parzyszek <kparzysz@codeaurora.org>
Wed, 13 Jun 2018 13:49:06 +0000 (13:49 +0000)
committerKrzysztof Parzyszek <kparzysz@codeaurora.org>
Wed, 13 Jun 2018 13:49:06 +0000 (13:49 +0000)
commitbe100d0a8ddf9ef831c08ca8d5e549778bdad252
tree4be54dce238581c9bf8dfdb94b301f025caa0fc5
parent7f976eb2808626ec88d1247d9d87d08fc4a894a7
Revert "Improve handling of COPY instructions with identical value numbers"

This reverts r334594, it breaks buildbots and fails with expensive checks.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@334598 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/RegisterCoalescer.cpp
test/CodeGen/AMDGPU/coalescing-with-subregs-in-loop-bug.mir [deleted file]