diff options
Diffstat (limited to 'lib/Transforms/Vectorize/LoopVectorize.cpp')
| -rw-r--r-- | lib/Transforms/Vectorize/LoopVectorize.cpp | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/lib/Transforms/Vectorize/LoopVectorize.cpp b/lib/Transforms/Vectorize/LoopVectorize.cpp index 0c88ba7835..2e42585e35 100644 --- a/lib/Transforms/Vectorize/LoopVectorize.cpp +++ b/lib/Transforms/Vectorize/LoopVectorize.cpp @@ -2548,13 +2548,6 @@ LoopVectorizationLegality::hasPossibleGlobalWriteReorder( bool LoopVectorizationLegality::canVectorizeMemory() { - if (TheLoop->isAnnotatedParallel()) { - DEBUG(dbgs() - << "LV: A loop annotated parallel, ignore memory dependency " - << "checks.\n"); - return true; - } - typedef SmallVector<Value*, 16> ValueVector; typedef SmallPtrSet<Value*, 16> ValueSet; // Holds the Load and Store *instructions*. @@ -2577,7 +2570,7 @@ bool LoopVectorizationLegality::canVectorizeMemory() { if (it->mayReadFromMemory()) { LoadInst *Ld = dyn_cast<LoadInst>(it); if (!Ld) return false; - if (!Ld->isSimple()) { + if (!Ld->isSimple() && !TheLoop->isAnnotatedParallel()) { DEBUG(dbgs() << "LV: Found a non-simple load.\n"); return false; } @@ -2589,7 +2582,7 @@ bool LoopVectorizationLegality::canVectorizeMemory() { if (it->mayWriteToMemory()) { StoreInst *St = dyn_cast<StoreInst>(it); if (!St) return false; - if (!St->isSimple()) { + if (!St->isSimple() && !TheLoop->isAnnotatedParallel()) { DEBUG(dbgs() << "LV: Found a non-simple store.\n"); return false; } @@ -2636,6 +2629,13 @@ bool LoopVectorizationLegality::canVectorizeMemory() { ReadWrites.insert(std::make_pair(Ptr, ST)); } + if (TheLoop->isAnnotatedParallel()) { + DEBUG(dbgs() + << "LV: A loop annotated parallel, ignore memory dependency " + << "checks.\n"); + return true; + } + for (I = Loads.begin(), IE = Loads.end(); I != IE; ++I) { LoadInst *LD = cast<LoadInst>(*I); Value* Ptr = LD->getPointerOperand(); |