It's not safe eliminate copies where src and dst have different sub-register indices.
authorEvan Cheng <evan.cheng@apple.com>
Tue, 11 May 2010 00:20:03 +0000 (00:20 +0000)
committerEvan Cheng <evan.cheng@apple.com>
Tue, 11 May 2010 00:20:03 +0000 (00:20 +0000)
commit31b9c44cc13bb686010cf6bfbeef8745c39939b9
treee324cbea83348dae5ffa8c6f1915855ec7ec14d1
parent0bcccac50481921ab86dfdbaadec79f1db35c662
It's not safe eliminate copies where src and dst have different sub-register indices.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103450 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/ProcessImplicitDefs.cpp
lib/CodeGen/RegAllocFast.cpp
lib/CodeGen/SimpleRegisterCoalescing.cpp
lib/CodeGen/VirtRegRewriter.cpp