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Loop Rotation pass preserves dominator tree and frontier.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40603 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2007-07-30 20:22:53 +00:00
parent 96b651c627
commit d9a6dcba9f
1 changed files with 2 additions and 0 deletions
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lib/Transforms/Scalar/LoopRotation.cpp
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@ -62,6 +62,8 @@ namespace {
AU.addPreserved<LoopInfo>();
AU.addRequiredID(LoopSimplifyID);
AU.addPreservedID(LoopSimplifyID);
AU.addPreserved<DominatorTree>();
AU.addPreserved<DominanceFrontier>();
}
// Helper functions