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SSI needs to require DT and DF transitively, since it uses them outside of its runOnFunction.

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Similarly, it can be marked setPreservesAll, since it does no work in its runOnFunction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83282 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson
2009-10-04 17:47:39 +00:00
parent 144034eace
commit 7aa3c781b4
1 changed files with 3 additions and 3 deletions
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6
lib/Transforms/Utils/SSI.cpp
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@@ -37,9 +37,9 @@ STATISTIC(NumSigmaInserted, "Number of sigma functions inserted");
STATISTIC(NumPhiInserted, "Number of phi functions inserted");
void SSI::getAnalysisUsage(AnalysisUsage &AU) const {
AU.addRequired<DominanceFrontier>();
AU.addRequired<DominatorTree>();
AU.setPreservesCFG();
AU.addRequiredTransitive<DominanceFrontier>();
AU.addRequiredTransitive<DominatorTree>();
AU.setPreservesAll();
}
bool SSI::runOnFunction(Function &F) {