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Request DominanceFrontiner in advance.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37954 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2007-07-06 21:43:22 +00:00
parent 658f625d16
commit 7be06f9158
1 changed files with 5 additions and 0 deletions
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5
lib/Transforms/Scalar/LoopRotation.cpp
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@ -63,6 +63,11 @@ namespace {
AU.addRequiredID(LoopSimplifyID);
AU.addPreservedID(LoopSimplifyID);
AU.addPreserved<DominatorTree>();
// Request DominanceFrontier now, even though Loop Rotate does
// not use it. This allows Pass Manager to schedule Dominance
// Frontier early enough such that one LPPassManager can handle
// loop rotate as well as licm pass.
AU.addRequired<DominanceFrontier>();
AU.addPreserved<DominanceFrontier>();
}