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Require IVUsers after LCSSA, since LCSSA does not preserve IVUsers.

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This results in the pass manager running IVUsers only once for
indvars, instead of twice.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75633 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2009-07-14 14:26:23 +00:00
parent a653fc5f6b
commit 1b65253da6
1 changed files with 3 additions and 3 deletions
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6
lib/Transforms/Scalar/IndVarSimplify.cpp
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@ -82,15 +82,15 @@ namespace {
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.addRequired<DominatorTree>();
AU.addRequired<LoopInfo>();
AU.addRequired<ScalarEvolution>();
AU.addRequiredID(LoopSimplifyID);
AU.addRequired<LoopInfo>();
AU.addRequired<IVUsers>();
AU.addRequiredID(LCSSAID);
AU.addRequired<IVUsers>();
AU.addPreserved<ScalarEvolution>();
AU.addPreservedID(LoopSimplifyID);
AU.addPreserved<IVUsers>();
AU.addPreservedID(LCSSAID);
AU.addPreserved<IVUsers>();
AU.setPreservesCFG();
}