Restore the PHI optimization I accidently removed
authorMichael Ilseman <milseman@apple.com>
Wed, 12 Dec 2012 20:59:36 +0000 (20:59 +0000)
committerMichael Ilseman <milseman@apple.com>
Wed, 12 Dec 2012 20:59:36 +0000 (20:59 +0000)
commit3c814128cdb8728baa06acaeae484e601f8bd636
treef9d827e641fe08c83271722822f56acbd2ba2680
parenta3619d31d8bff8589ced391e9032cce139957e8a
Restore the PHI optimization I accidently removed

llvm-svn: 170024
llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp