[CodeGenPrepare] Revert r331783

The patch r331783 caused regression in one of our internal application. So revert it now, will investigate it further.




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@333305 91177308-0d34-0410-b5e6-96231b3b80d8
5 files changed