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If REG_SEQUENCE source is livein, copy it first. Also, update livevariables informati...
authorEvan Cheng <evan.cheng@apple.com>
Thu, 13 May 2010 00:00:35 +0000 (00:00 +0000)
committerEvan Cheng <evan.cheng@apple.com>
Thu, 13 May 2010 00:00:35 +0000 (00:00 +0000)
commit054dbb8e8230ae1a7f1f386b6bf307a36af7dd20
tree1a7718668fd51437bf8fbaba58b2c315785d7bf6
parentde7dea2e44ea59674acb5680482cd516c6fce3bb
If REG_SEQUENCE source is livein, copy it first. Also, update livevariables information when a copy is introduced.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103680 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/TwoAddressInstructionPass.cpp