tree b14ef916cdbe3ed2b55dc517b0a2ce9d903e216b
parent c784208a733689dbc04ad5d1c36d23eb816746e1
author Evan Cheng <evan.cheng@apple.com> 1193783246 +0000
committer Evan Cheng <evan.cheng@apple.com> 1193783246 +0000

It's not safe to tell SplitCriticalEdge to merge identical edges. It may delete the phi instruction that's being processed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43524 91177308-0d34-0410-b5e6-96231b3b80d8