// If the source integer type is not the intptr_t type for this target, do a
// trunc or zext to the intptr_t type, then inttoptr of it. This allows the
// cast to be exposed to other transforms.
- if (TD && CI.getOperand(0)->getType()->getScalarSizeInBits() !=
- TD->getPointerSizeInBits()) {
- Type *Ty = TD->getIntPtrType(CI.getContext());
- if (CI.getType()->isVectorTy()) // Handle vectors of pointers.
- Ty = VectorType::get(Ty, CI.getType()->getVectorNumElements());
-
- Value *P = Builder->CreateZExtOrTrunc(CI.getOperand(0), Ty);
- return new IntToPtrInst(P, CI.getType());
+
+ if (TD) {
+ unsigned AS = CI.getAddressSpace();
+ if (CI.getOperand(0)->getType()->getScalarSizeInBits() !=
+ TD->getPointerSizeInBits(AS)) {
+ Type *Ty = TD->getIntPtrType(CI.getContext(), AS);
+ if (CI.getType()->isVectorTy()) // Handle vectors of pointers.
+ Ty = VectorType::get(Ty, CI.getType()->getVectorNumElements());
+
+ Value *P = Builder->CreateZExtOrTrunc(CI.getOperand(0), Ty);
+ return new IntToPtrInst(P, CI.getType());
+ }
}
if (Instruction *I = commonCastTransforms(CI))
return &CI;
}
+ if (!TD)
+ return commonCastTransforms(CI);
+
// If the GEP has a single use, and the base pointer is a bitcast, and the
// GEP computes a constant offset, see if we can convert these three
// instructions into fewer. This typically happens with unions and other
// non-type-safe code.
- APInt Offset(TD ? TD->getPointerSizeInBits() : 1, 0);
- if (TD && GEP->hasOneUse() && isa<BitCastInst>(GEP->getOperand(0)) &&
+ unsigned AS = GEP->getPointerAddressSpace();
+ unsigned OffsetBits = TD->getPointerSizeInBits(AS);
+ APInt Offset(OffsetBits, 0);
+ BitCastInst *BCI = dyn_cast<BitCastInst>(GEP->getOperand(0));
+ if (GEP->hasOneUse() &&
+ BCI &&
GEP->accumulateConstantOffset(*TD, Offset)) {
// Get the base pointer input of the bitcast, and the type it points to.
- Value *OrigBase = cast<BitCastInst>(GEP->getOperand(0))->getOperand(0);
- Type *GEPIdxTy =
- cast<PointerType>(OrigBase->getType())->getElementType();
+ Value *OrigBase = BCI->getOperand(0);
SmallVector<Value*, 8> NewIndices;
- if (FindElementAtOffset(GEPIdxTy, Offset.getSExtValue(), NewIndices)) {
+ if (FindElementAtOffset(OrigBase->getType(),
+ Offset.getSExtValue(),
+ NewIndices)) {
// If we were able to index down into an element, create the GEP
// and bitcast the result. This eliminates one bitcast, potentially
// two.
Value *NGEP = cast<GEPOperator>(GEP)->isInBounds() ?
- Builder->CreateInBoundsGEP(OrigBase, NewIndices) :
- Builder->CreateGEP(OrigBase, NewIndices);
+ Builder->CreateInBoundsGEP(OrigBase, NewIndices) :
+ Builder->CreateGEP(OrigBase, NewIndices);
NGEP->takeName(GEP);
if (isa<BitCastInst>(CI))
// If the destination integer type is not the intptr_t type for this target,
// do a ptrtoint to intptr_t then do a trunc or zext. This allows the cast
// to be exposed to other transforms.
- if (TD && CI.getType()->getScalarSizeInBits() != TD->getPointerSizeInBits()) {
- Type *Ty = TD->getIntPtrType(CI.getContext());
- if (CI.getType()->isVectorTy()) // Handle vectors of pointers.
- Ty = VectorType::get(Ty, CI.getType()->getVectorNumElements());
- Value *P = Builder->CreatePtrToInt(CI.getOperand(0), Ty);
- return CastInst::CreateIntegerCast(P, CI.getType(), /*isSigned=*/false);
- }
+ if (!TD)
+ return commonPointerCastTransforms(CI);
+
+ Type *Ty = CI.getType();
+ unsigned AS = CI.getPointerAddressSpace();
+
+ if (Ty->getScalarSizeInBits() == TD->getPointerSizeInBits(AS))
+ return commonPointerCastTransforms(CI);
+
+ Type *PtrTy = TD->getIntPtrType(CI.getContext(), AS);
+ if (Ty->isVectorTy()) // Handle vectors of pointers.
+ PtrTy = VectorType::get(PtrTy, Ty->getVectorNumElements());
- return commonPointerCastTransforms(CI);
+ Value *P = Builder->CreatePtrToInt(CI.getOperand(0), PtrTy);
+ return CastInst::CreateIntegerCast(P, Ty, /*isSigned=*/false);
}
/// OptimizeVectorResize - This input value (which is known to have vector type)
// Okay, we have (bitcast (shuffle ..)). Check to see if this is
// a bitcast to a vector with the same # elts.
if (SVI->hasOneUse() && DestTy->isVectorTy() &&
- cast<VectorType>(DestTy)->getNumElements() ==
- SVI->getType()->getNumElements() &&
+ DestTy->getVectorNumElements() == SVI->getType()->getNumElements() &&
SVI->getType()->getNumElements() ==
- cast<VectorType>(SVI->getOperand(0)->getType())->getNumElements()) {
+ SVI->getOperand(0)->getType()->getVectorNumElements()) {
BitCastInst *Tmp;
// If either of the operands is a cast from CI.getType(), then
// evaluating the shuffle in the casted destination's type will allow