Revert the optimization in r122596. It is correct for all current targets, but
authorCameron Zwarich <zwarich@apple.com>
Tue, 28 Dec 2010 23:02:56 +0000 (23:02 +0000)
committerCameron Zwarich <zwarich@apple.com>
Tue, 28 Dec 2010 23:02:56 +0000 (23:02 +0000)
commit438e25ccdcd8673b1ff8d54ee80a5894a29b2590
tree8c2d1d66fc9c88a0635ef3282e65cf7010451c4c
parentf661277a9b26590648aca585c0572f200470290d
Revert the optimization in r122596. It is correct for all current targets, but
it relies on assumptions that may not be true in the future.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122608 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/StrongPHIElimination.cpp