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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187535 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nadav Rotem 2013-07-31 22:17:45 +00:00
parent d3d751804c
commit 03fb46bed1
1 changed files with 14 additions and 9 deletions
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23
lib/Transforms/Vectorize/LoopVectorize.cpp
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@ -1220,7 +1220,8 @@ void InnerLoopVectorizer::vectorizeMemoryInstruction(Instruction *Instr,
PartPtr = Builder.CreateGEP(PartPtr, Builder.getInt32(1 - VF)); PartPtr = Builder.CreateGEP(PartPtr, Builder.getInt32(1 - VF));
} }
Value *VecPtr = Builder.CreateBitCast(PartPtr, DataTy->getPointerTo(AddressSpace)); Value *VecPtr = Builder.CreateBitCast(PartPtr,
DataTy->getPointerTo(AddressSpace));
Builder.CreateStore(StoredVal[Part], VecPtr)->setAlignment(Alignment); Builder.CreateStore(StoredVal[Part], VecPtr)->setAlignment(Alignment);
} }
return; return;
@ -1240,7 +1241,8 @@ void InnerLoopVectorizer::vectorizeMemoryInstruction(Instruction *Instr,
PartPtr = Builder.CreateGEP(PartPtr, Builder.getInt32(1 - VF)); PartPtr = Builder.CreateGEP(PartPtr, Builder.getInt32(1 - VF));
} }
Value *VecPtr = Builder.CreateBitCast(PartPtr, DataTy->getPointerTo(AddressSpace)); Value *VecPtr = Builder.CreateBitCast(PartPtr,
DataTy->getPointerTo(AddressSpace));
Value *LI = Builder.CreateLoad(VecPtr, "wide.load"); Value *LI = Builder.CreateLoad(VecPtr, "wide.load");
cast<LoadInst>(LI)->setAlignment(Alignment); cast<LoadInst>(LI)->setAlignment(Alignment);
Entry[Part] = Reverse ? reverseVector(LI) : LI; Entry[Part] = Reverse ? reverseVector(LI) : LI;
@ -1911,7 +1913,8 @@ Value *createMinMaxOp(IRBuilder<> &Builder,
} }
Value *Cmp; Value *Cmp;
if (RK == LoopVectorizationLegality::MRK_FloatMin || RK == LoopVectorizationLegality::MRK_FloatMax) if (RK == LoopVectorizationLegality::MRK_FloatMin ||
RK == LoopVectorizationLegality::MRK_FloatMax)
Cmp = Builder.CreateFCmp(P, Left, Right, "rdx.minmax.cmp"); Cmp = Builder.CreateFCmp(P, Left, Right, "rdx.minmax.cmp");
else else
Cmp = Builder.CreateICmp(P, Left, Right, "rdx.minmax.cmp"); Cmp = Builder.CreateICmp(P, Left, Right, "rdx.minmax.cmp");
@ -2781,7 +2784,8 @@ bool LoopVectorizationLegality::canVectorizeInstrs() {
continue; continue;
} }
if (AddReductionVar(Phi, RK_FloatMinMax)) { if (AddReductionVar(Phi, RK_FloatMinMax)) {
DEBUG(dbgs() << "LV: Found an float MINMAX reduction PHI."<< *Phi <<"\n"); DEBUG(dbgs() << "LV: Found an float MINMAX reduction PHI."<< *Phi <<
"\n");
continue; continue;
} }
@ -3229,8 +3233,8 @@ static int isStridedPtr(ScalarEvolution *SE, DataLayout *DL, Value *Ptr,
// Make sure that the pointer does not point to aggregate types. // Make sure that the pointer does not point to aggregate types.
const PointerType *PtrTy = cast<PointerType>(Ty); const PointerType *PtrTy = cast<PointerType>(Ty);
if (PtrTy->getElementType()->isAggregateType()) { if (PtrTy->getElementType()->isAggregateType()) {
DEBUG(dbgs() << "LV: Bad stride - Not a pointer to a scalar type" << *Ptr DEBUG(dbgs() << "LV: Bad stride - Not a pointer to a scalar type" << *Ptr <<
<< "\n"); "\n");
return 0; return 0;
} }
@ -3244,8 +3248,8 @@ static int isStridedPtr(ScalarEvolution *SE, DataLayout *DL, Value *Ptr,
// The accesss function must stride over the innermost loop. // The accesss function must stride over the innermost loop.
if (Lp != AR->getLoop()) { if (Lp != AR->getLoop()) {
DEBUG(dbgs() << "LV: Bad stride - Not striding over innermost loop " << *Ptr DEBUG(dbgs() << "LV: Bad stride - Not striding over innermost loop " <<
<< " SCEV: " << *PtrScev << "\n"); *Ptr << " SCEV: " << *PtrScev << "\n");
} }
// The address calculation must not wrap. Otherwise, a dependence could be // The address calculation must not wrap. Otherwise, a dependence could be
@ -4064,7 +4068,8 @@ LoopVectorizationCostModel::selectVectorizationFactor(bool OptForSize,
unsigned MaxSafeDepDist = -1U; unsigned MaxSafeDepDist = -1U;
if (Legal->getMaxSafeDepDistBytes() != -1U) if (Legal->getMaxSafeDepDistBytes() != -1U)
MaxSafeDepDist = Legal->getMaxSafeDepDistBytes() * 8; MaxSafeDepDist = Legal->getMaxSafeDepDistBytes() * 8;
WidestRegister = WidestRegister < MaxSafeDepDist ? WidestRegister : MaxSafeDepDist; WidestRegister = ((WidestRegister < MaxSafeDepDist) ?
WidestRegister : MaxSafeDepDist);
unsigned MaxVectorSize = WidestRegister / WidestType; unsigned MaxVectorSize = WidestRegister / WidestType;
DEBUG(dbgs() << "LV: The Widest type: " << WidestType << " bits.\n"); DEBUG(dbgs() << "LV: The Widest type: " << WidestType << " bits.\n");
DEBUG(dbgs() << "LV: The Widest register is:" << WidestRegister << "bits.\n"); DEBUG(dbgs() << "LV: The Widest register is:" << WidestRegister << "bits.\n");