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llvm/lib/Target/ARM/ARMTargetTransformInfo.cpp
| Show First 20 Lines • Show All 2,280 Lines • ▼ Show 20 Lines | if (!HWLoopInfo.isHardwareLoopCandidate(SE, *LI, *DT)) { | ||||
| LLVM_DEBUG(dbgs() << "preferPredicateOverEpilogue: hardware-loop is not " | LLVM_DEBUG(dbgs() << "preferPredicateOverEpilogue: hardware-loop is not " | ||||
| "a candidate.\n"); | "a candidate.\n"); | ||||
| return false; | return false; | ||||
| } | } | ||||
| return canTailPredicateLoop(L, LI, SE, DL, LVL->getLAI()); | return canTailPredicateLoop(L, LI, SE, DL, LVL->getLAI()); | ||||
| } | } | ||||
| TailFoldingStyle ARMTTIImpl::getPreferredTailFoldingStyle() const { | TailFoldingStyle | ||||
| ARMTTIImpl::getPreferredTailFoldingStyle(bool IVUpdateMayOverflow) const { | |||||
| if (!ST->hasMVEIntegerOps() || !EnableTailPredication) | if (!ST->hasMVEIntegerOps() || !EnableTailPredication) | ||||
| return TailFoldingStyle::DataWithoutLaneMask; | return TailFoldingStyle::DataWithoutLaneMask; | ||||
| // Intrinsic @llvm.get.active.lane.mask is supported. | // Intrinsic @llvm.get.active.lane.mask is supported. | ||||
| // It is used in the MVETailPredication pass, which requires the number of | // It is used in the MVETailPredication pass, which requires the number of | ||||
| // elements processed by this vector loop to setup the tail-predicated | // elements processed by this vector loop to setup the tail-predicated | ||||
| // loop. | // loop. | ||||
| return TailFoldingStyle::Data; | return TailFoldingStyle::Data; | ||||
| ▲ Show 20 Lines • Show All 159 Lines • Show Last 20 Lines | |||||