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If we can't avoid running loop-simplify twice for now, at least avoid running
iv-users twice. llvm-svn: 125318
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@ -3824,6 +3824,9 @@ void LoopStrengthReduce::getAnalysisUsage(AnalysisUsage &AU) const {
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AU.addPreserved<DominatorTree>();
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AU.addPreserved<DominatorTree>();
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AU.addRequired<ScalarEvolution>();
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AU.addRequired<ScalarEvolution>();
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AU.addPreserved<ScalarEvolution>();
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AU.addPreserved<ScalarEvolution>();
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// Requiring LoopSimplify a second time here prevents IVUsers from running
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// twice, since LoopSimplify was invalidated by running ScalarEvolution.
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AU.addRequiredID(LoopSimplifyID);
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AU.addRequired<IVUsers>();
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AU.addRequired<IVUsers>();
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AU.addPreserved<IVUsers>();
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AU.addPreserved<IVUsers>();
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}
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}
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