Update various Loop optimization passes to cope with the possibility that
authorDan Gohman <gohman@apple.com>
Thu, 5 Nov 2009 21:11:53 +0000 (21:11 +0000)
committerDan Gohman <gohman@apple.com>
Thu, 5 Nov 2009 21:11:53 +0000 (21:11 +0000)
commit03e896bd6073efc4523d8bcd0239d6ed62126db7
tree940b395910c450d7c9e00a014e1592e4982bdca8
parent7040d6e2f5d503e9948b9caff940a66238a0c605
Update various Loop optimization passes to cope with the possibility that
LoopSimplify form may not be available.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86175 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Transforms/IPO/LoopExtractor.cpp
lib/Transforms/Scalar/IndVarSimplify.cpp
lib/Transforms/Scalar/LICM.cpp
lib/Transforms/Scalar/LoopIndexSplit.cpp
lib/Transforms/Scalar/LoopRotation.cpp
lib/Transforms/Scalar/LoopStrengthReduce.cpp
lib/Transforms/Scalar/LoopUnswitch.cpp