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authorManman Ren <mren@apple.com>2012-09-14 21:53:06 +0000
committerManman Ren <mren@apple.com>2012-09-14 21:53:06 +0000
commitad2890760f9661fb6a3dfa3ca863a87f6aea4139 (patch)
treed8eb4fbb010f17dd044ab643854c954a9aedbd9d /unittests
parent911908dcb820848056a8c23fe762af37ab857779 (diff)
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PGO: preserve branch-weight metadata when simplifying a switch with a single
case to a conditional branch and when removing dead cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163942 91177308-0d34-0410-b5e6-96231b3b80d8
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