// NVPTXTargetLowering Constructor.
NVPTXTargetLowering::NVPTXTargetLowering(const NVPTXTargetMachine &TM)
- : TargetLowering(TM, new NVPTXTargetObjectFile()), nvTM(&TM),
+ : TargetLowering(TM), nvTM(&TM),
nvptxSubtarget(TM.getSubtarget<NVPTXSubtarget>()) {
// always lower memset, memcpy, and memmove intrinsics to load/store
setOperationAction(ISD::INTRINSIC_W_CHAIN, MVT::Other, Custom);
// Turn FP extload into load/fextend
- setLoadExtAction(ISD::EXTLOAD, MVT::f16, Expand);
- setLoadExtAction(ISD::EXTLOAD, MVT::f32, Expand);
+ setLoadExtAction(ISD::EXTLOAD, MVT::f32, MVT::f16, Expand);
+ setLoadExtAction(ISD::EXTLOAD, MVT::f64, MVT::f16, Expand);
+ setLoadExtAction(ISD::EXTLOAD, MVT::f64, MVT::f32, Expand);
// Turn FP truncstore into trunc + store.
setTruncStoreAction(MVT::f32, MVT::f16, Expand);
setTruncStoreAction(MVT::f64, MVT::f16, Expand);
setOperationAction(ISD::LOAD, MVT::i1, Custom);
setOperationAction(ISD::STORE, MVT::i1, Custom);
- setLoadExtAction(ISD::SEXTLOAD, MVT::i1, Promote);
- setLoadExtAction(ISD::ZEXTLOAD, MVT::i1, Promote);
- setTruncStoreAction(MVT::i64, MVT::i1, Expand);
- setTruncStoreAction(MVT::i32, MVT::i1, Expand);
- setTruncStoreAction(MVT::i16, MVT::i1, Expand);
- setTruncStoreAction(MVT::i8, MVT::i1, Expand);
+ for (MVT VT : MVT::integer_valuetypes()) {
+ setLoadExtAction(ISD::SEXTLOAD, VT, MVT::i1, Promote);
+ setLoadExtAction(ISD::ZEXTLOAD, VT, MVT::i1, Promote);
+ setTruncStoreAction(VT, MVT::i1, Expand);
+ }
// This is legal in NVPTX
setOperationAction(ISD::ConstantFP, MVT::f64, Legal);
setOperationAction(ISD::ADDE, MVT::i64, Expand);
// Register custom handling for vector loads/stores
- for (int i = MVT::FIRST_VECTOR_VALUETYPE; i <= MVT::LAST_VECTOR_VALUETYPE;
- ++i) {
- MVT VT = (MVT::SimpleValueType) i;
+ for (MVT VT : MVT::vector_valuetypes()) {
if (IsPTXVectorType(VT)) {
setOperationAction(ISD::LOAD, VT, Custom);
setOperationAction(ISD::STORE, VT, Custom);
setOperationAction(ISD::CTPOP, MVT::i32, Legal);
setOperationAction(ISD::CTPOP, MVT::i64, Legal);
+ // PTX does not directly support SELP of i1, so promote to i32 first
+ setOperationAction(ISD::SELECT, MVT::i1, Custom);
+
// We have some custom DAG combine patterns for these nodes
setTargetDAGCombine(ISD::ADD);
setTargetDAGCombine(ISD::AND);
O << ".param .b" << size << " _";
} else if (isa<PointerType>(retTy)) {
O << ".param .b" << getPointerTy().getSizeInBits() << " _";
+ } else if ((retTy->getTypeID() == Type::StructTyID) ||
+ isa<VectorType>(retTy)) {
+ O << ".param .align "
+ << retAlignment
+ << " .b8 _["
+ << getDataLayout()->getTypeAllocSize(retTy) << "]";
} else {
- if((retTy->getTypeID() == Type::StructTyID) ||
- isa<VectorType>(retTy)) {
- O << ".param .align "
- << retAlignment
- << " .b8 _["
- << getDataLayout()->getTypeAllocSize(retTy) << "]";
- } else {
- assert(false && "Unknown return type");
- }
+ llvm_unreachable("Unknown return type");
}
O << ") ";
}
// .param .align 16 .b8 retval0[<size-in-bytes>], or
// .param .b<size-in-bits> retval0
unsigned resultsz = TD->getTypeAllocSizeInBits(retTy);
- if (retTy->isSingleValueType()) {
+ // Emit ".param .b<size-in-bits> retval0" instead of byte arrays only for
+ // these three types to match the logic in
+ // NVPTXAsmPrinter::printReturnValStr and NVPTXTargetLowering::getPrototype.
+ // Plus, this behavior is consistent with nvcc's.
+ if (retTy->isFloatingPointTy() || retTy->isIntegerTy() ||
+ retTy->isPointerTy()) {
// Scalar needs to be at least 32bit wide
if (resultsz < 32)
resultsz = 32;
EVT ObjectVT = getValueType(retTy);
unsigned NumElts = ObjectVT.getVectorNumElements();
EVT EltVT = ObjectVT.getVectorElementType();
- assert(nvTM->getTargetLowering()->getNumRegisters(F->getContext(),
- ObjectVT) == NumElts &&
+ assert(nvTM->getSubtargetImpl()->getTargetLowering()->getNumRegisters(
+ F->getContext(), ObjectVT) == NumElts &&
"Vector was not scalarized");
unsigned sz = EltVT.getSizeInBits();
bool needTruncate = sz < 8 ? true : false;
case ISD::SRA_PARTS:
case ISD::SRL_PARTS:
return LowerShiftRightParts(Op, DAG);
+ case ISD::SELECT:
+ return LowerSelect(Op, DAG);
default:
llvm_unreachable("Custom lowering not defined for operation");
}
}
+SDValue NVPTXTargetLowering::LowerSelect(SDValue Op, SelectionDAG &DAG) const {
+ SDValue Op0 = Op->getOperand(0);
+ SDValue Op1 = Op->getOperand(1);
+ SDValue Op2 = Op->getOperand(2);
+ SDLoc DL(Op.getNode());
+
+ assert(Op.getValueType() == MVT::i1 && "Custom lowering enabled only for i1");
+
+ Op1 = DAG.getNode(ISD::ANY_EXTEND, DL, MVT::i32, Op1);
+ Op2 = DAG.getNode(ISD::ANY_EXTEND, DL, MVT::i32, Op2);
+ SDValue Select = DAG.getNode(ISD::SELECT, DL, MVT::i32, Op0, Op1, Op2);
+ SDValue Trunc = DAG.getNode(ISD::TRUNCATE, DL, MVT::i1, Select);
+
+ return Trunc;
+}
+
SDValue NVPTXTargetLowering::LowerLOAD(SDValue Op, SelectionDAG &DAG) const {
if (Op.getValueType() == MVT::i1)
return LowerLOADi1(Op, DAG);
const Function *F = MF.getFunction();
const AttributeSet &PAL = F->getAttributes();
- const TargetLowering *TLI = DAG.getTarget().getTargetLowering();
+ const TargetLowering *TLI = DAG.getSubtarget().getTargetLowering();
SDValue Root = DAG.getRoot();
std::vector<SDValue> OutChains;
unsigned NumElts = ObjectVT.getVectorNumElements();
assert(TLI->getNumRegisters(F->getContext(), ObjectVT) == NumElts &&
"Vector was not scalarized");
- unsigned Ofst = 0;
EVT EltVT = ObjectVT.getVectorElementType();
// V1 load
// We only have one element, so just directly load it
Value *SrcValue = Constant::getNullValue(PointerType::get(
EltVT.getTypeForEVT(F->getContext()), llvm::ADDRESS_SPACE_PARAM));
- SDValue SrcAddr = DAG.getNode(ISD::ADD, dl, getPointerTy(), Arg,
- DAG.getConstant(Ofst, getPointerTy()));
SDValue P = DAG.getLoad(
- EltVT, dl, Root, SrcAddr, MachinePointerInfo(SrcValue), false,
+ EltVT, dl, Root, Arg, MachinePointerInfo(SrcValue), false,
false, true,
TD->getABITypeAlignment(EltVT.getTypeForEVT(F->getContext())));
if (P.getNode())
if (Ins[InsIdx].VT.getSizeInBits() > EltVT.getSizeInBits())
P = DAG.getNode(ISD::ANY_EXTEND, dl, Ins[InsIdx].VT, P);
InVals.push_back(P);
- Ofst += TD->getTypeAllocSize(EltVT.getTypeForEVT(F->getContext()));
++InsIdx;
} else if (NumElts == 2) {
// V2 load
EVT VecVT = EVT::getVectorVT(F->getContext(), EltVT, 2);
Value *SrcValue = Constant::getNullValue(PointerType::get(
VecVT.getTypeForEVT(F->getContext()), llvm::ADDRESS_SPACE_PARAM));
- SDValue SrcAddr = DAG.getNode(ISD::ADD, dl, getPointerTy(), Arg,
- DAG.getConstant(Ofst, getPointerTy()));
SDValue P = DAG.getLoad(
- VecVT, dl, Root, SrcAddr, MachinePointerInfo(SrcValue), false,
+ VecVT, dl, Root, Arg, MachinePointerInfo(SrcValue), false,
false, true,
TD->getABITypeAlignment(VecVT.getTypeForEVT(F->getContext())));
if (P.getNode())
InVals.push_back(Elt0);
InVals.push_back(Elt1);
- Ofst += TD->getTypeAllocSize(VecVT.getTypeForEVT(F->getContext()));
InsIdx += 2;
} else {
// V4 loads
VecSize = 2;
}
EVT VecVT = EVT::getVectorVT(F->getContext(), EltVT, VecSize);
+ unsigned Ofst = 0;
for (unsigned i = 0; i < NumElts; i += VecSize) {
Value *SrcValue = Constant::getNullValue(
PointerType::get(VecVT.getTypeForEVT(F->getContext()),
Info.vol = 0;
Info.readMem = true;
Info.writeMem = false;
-
- // alignment is available as metadata.
- // Grab it and set the alignment.
- assert(I.hasMetadataOtherThanDebugLoc() && "Must have alignment metadata");
- MDNode *AlignMD = I.getMetadata("align");
- assert(AlignMD && "Must have a non-null MDNode");
- assert(AlignMD->getNumOperands() == 1 && "Must have a single operand");
- Value *Align = AlignMD->getOperand(0);
- int64_t Alignment = cast<ConstantInt>(Align)->getZExtValue();
- Info.align = Alignment;
+ Info.align = cast<ConstantInt>(I.getArgOperand(1))->getZExtValue();
return true;
}
Info.vol = 0;
Info.readMem = true;
Info.writeMem = false;
-
- // alignment is available as metadata.
- // Grab it and set the alignment.
- assert(I.hasMetadataOtherThanDebugLoc() && "Must have alignment metadata");
- MDNode *AlignMD = I.getMetadata("align");
- assert(AlignMD && "Must have a non-null MDNode");
- assert(AlignMD->getNumOperands() == 1 && "Must have a single operand");
- Value *Align = AlignMD->getOperand(0);
- int64_t Alignment = cast<ConstantInt>(Align)->getZExtValue();
- Info.align = Alignment;
+ Info.align = cast<ConstantInt>(I.getArgOperand(1))->getZExtValue();
return true;
}
delete DwarfRangesSection;
delete DwarfMacroInfoSection;
}
+
+const MCSection *
+NVPTXTargetObjectFile::SelectSectionForGlobal(const GlobalValue *GV,
+ SectionKind Kind, Mangler &Mang,
+ const TargetMachine &TM) const {
+ return getDataSection();
+}
projects / oota-llvm.git / blobdiff