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[LoopRotate] Unconditionally get ScalarEvolution. 

Summary: LoopRotate is a loop pass and SE should always be available.

Reviewers: anemet, asbirlea

Reviewed By: asbirlea

Differential Revision: https://reviews.llvm.org/D68573

llvm-svn: 374026
This commit is contained in:
Florian Hahn 2019-10-08 08:46:38 +00:00
parent 78bfe3ab94
commit a70c526143
1 changed files with 2 additions and 3 deletions
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5
llvm/lib/Transforms/Scalar/LoopRotation.cpp
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@ -96,15 +96,14 @@ public:
auto *AC = &getAnalysis<AssumptionCacheTracker>().getAssumptionCache(F);
auto *DTWP = getAnalysisIfAvailable<DominatorTreeWrapperPass>();
auto *DT = DTWP ? &DTWP->getDomTree() : nullptr;
auto *SEWP = getAnalysisIfAvailable<ScalarEvolutionWrapperPass>();
auto *SE = SEWP ? &SEWP->getSE() : nullptr;
auto &SE = getAnalysis<ScalarEvolutionWrapperPass>().getSE();
const SimplifyQuery SQ = getBestSimplifyQuery(*this, F);
Optional<MemorySSAUpdater> MSSAU;
if (EnableMSSALoopDependency) {
MemorySSA *MSSA = &getAnalysis<MemorySSAWrapperPass>().getMSSA();
MSSAU = MemorySSAUpdater(MSSA);
}
return LoopRotation(L, LI, TTI, AC, DT, SE,
return LoopRotation(L, LI, TTI, AC, DT, &SE,
MSSAU.hasValue() ? MSSAU.getPointer() : nullptr, SQ,
false, MaxHeaderSize, false);
}