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

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

View File

@ -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) {