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lib/Transforms/Scalar/LoopRotation.cpp
| Show First 20 Lines • Show All 628 Lines • ▼ Show 20 Lines | bool LoopRotate::processLoop(Loop *L) { | ||||
| assert((!MadeChange || L->isLoopExiting(L->getLoopLatch())) && | assert((!MadeChange || L->isLoopExiting(L->getLoopLatch())) && | ||||
| "Loop latch should be exiting after loop-rotate."); | "Loop latch should be exiting after loop-rotate."); | ||||
| // Restore the loop metadata. | // Restore the loop metadata. | ||||
| // NB! We presume LoopRotation DOESN'T ADD its own metadata. | // NB! We presume LoopRotation DOESN'T ADD its own metadata. | ||||
| if ((MadeChange || SimplifiedLatch) && LoopMD) | if ((MadeChange || SimplifiedLatch) && LoopMD) | ||||
| L->setLoopID(LoopMD); | L->setLoopID(LoopMD); | ||||
| return MadeChange; | return MadeChange || SimplifiedLatch; | ||||
| } | } | ||||
| LoopRotatePass::LoopRotatePass(bool EnableHeaderDuplication) | LoopRotatePass::LoopRotatePass(bool EnableHeaderDuplication) | ||||
| : EnableHeaderDuplication(EnableHeaderDuplication) {} | : EnableHeaderDuplication(EnableHeaderDuplication) {} | ||||
| PreservedAnalyses LoopRotatePass::run(Loop &L, LoopAnalysisManager &AM, | PreservedAnalyses LoopRotatePass::run(Loop &L, LoopAnalysisManager &AM, | ||||
| LoopStandardAnalysisResults &AR, | LoopStandardAnalysisResults &AR, | ||||
| LPMUpdater &) { | LPMUpdater &) { | ||||
| ▲ Show 20 Lines • Show All 66 Lines • Show Last 20 Lines | |||||