[PATCH] D68573: [LoopRotate] Unconditionally get ScalarEvolution.

[Florian Hahn via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rGa70c52614363: [LoopRotate] Unconditionally get ScalarEvolution. (authored by fhahn).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D68573/new/

https://reviews.llvm.org/D68573

Files:
  llvm/lib/Transforms/Scalar/LoopRotation.cpp


Index: llvm/lib/Transforms/Scalar/LoopRotation.cpp
===================================================================
--- llvm/lib/Transforms/Scalar/LoopRotation.cpp
+++ llvm/lib/Transforms/Scalar/LoopRotation.cpp
@@ -96,15 +96,14 @@
     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);
   }


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