Eric Christopher a1bbeeca72 Revert "Restore the PHI optimization I accidently removed" temporarily since
it seems to be breaking self-host for a few people and is PR14592.

This reverts commit r170024.

llvm-svn: 170106
2012-12-13 06:48:05 +00:00
..
2012-12-12 19:21:53 +00:00