Fix PR8854. Track inserted copies to avoid read before write. Sorry, it's hard to...
authorEvan Cheng <evan.cheng@apple.com>
Mon, 14 Feb 2011 21:50:37 +0000 (21:50 +0000)
committerEvan Cheng <evan.cheng@apple.com>
Mon, 14 Feb 2011 21:50:37 +0000 (21:50 +0000)
commitcf75ab597514effb6f8e915f05d74f45debb89ec
tree7741739b9c806f0c85fb5a6c0f3d22b76fc1f3c5
parente98d646b1194c522b121e1a70906efe4ea578fc8
Fix PR8854. Track inserted copies to avoid read before write. Sorry, it's hard to reduce a sensible small test case.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125523 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/PeepholeOptimizer.cpp