//===----------------------------------------------------------------------===//
#include "LegalizeTypes.h"
-#include "llvm/CodeGen/PseudoSourceValue.h"
#include "llvm/Target/TargetData.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/raw_ostream.h"
N->dump(&DAG);
dbgs() << "\n";
#endif
- llvm_unreachable("Do not know how to scalarize the result of this operator!");
+ report_fatal_error("Do not know how to scalarize the result of this "
+ "operator!\n");
+ case ISD::MERGE_VALUES: R = ScalarizeVecRes_MERGE_VALUES(N, ResNo);break;
case ISD::BITCAST: R = ScalarizeVecRes_BITCAST(N); break;
case ISD::BUILD_VECTOR: R = N->getOperand(0); break;
case ISD::CONVERT_RNDSAT: R = ScalarizeVecRes_CONVERT_RNDSAT(N); break;
case ISD::EXTRACT_SUBVECTOR: R = ScalarizeVecRes_EXTRACT_SUBVECTOR(N); break;
+ case ISD::FP_ROUND: R = ScalarizeVecRes_FP_ROUND(N); break;
case ISD::FP_ROUND_INREG: R = ScalarizeVecRes_InregOp(N); break;
case ISD::FPOWI: R = ScalarizeVecRes_FPOWI(N); break;
case ISD::INSERT_VECTOR_ELT: R = ScalarizeVecRes_INSERT_VECTOR_ELT(N); break;
case ISD::SETCC: R = ScalarizeVecRes_SETCC(N); break;
case ISD::UNDEF: R = ScalarizeVecRes_UNDEF(N); break;
case ISD::VECTOR_SHUFFLE: R = ScalarizeVecRes_VECTOR_SHUFFLE(N); break;
- case ISD::VSETCC: R = ScalarizeVecRes_VSETCC(N); break;
-
case ISD::ANY_EXTEND:
case ISD::CTLZ:
case ISD::CTPOP:
LHS.getValueType(), LHS, RHS);
}
+SDValue DAGTypeLegalizer::ScalarizeVecRes_MERGE_VALUES(SDNode *N,
+ unsigned ResNo) {
+ SDValue Op = DisintegrateMERGE_VALUES(N, ResNo);
+ return GetScalarizedVector(Op);
+}
+
SDValue DAGTypeLegalizer::ScalarizeVecRes_BITCAST(SDNode *N) {
EVT NewVT = N->getValueType(0).getVectorElementType();
return DAG.getNode(ISD::BITCAST, N->getDebugLoc(),
N->getOperand(0), N->getOperand(1));
}
+SDValue DAGTypeLegalizer::ScalarizeVecRes_FP_ROUND(SDNode *N) {
+ EVT NewVT = N->getValueType(0).getVectorElementType();
+ SDValue Op = GetScalarizedVector(N->getOperand(0));
+ return DAG.getNode(ISD::FP_ROUND, N->getDebugLoc(),
+ NewVT, Op, N->getOperand(1));
+}
+
SDValue DAGTypeLegalizer::ScalarizeVecRes_FPOWI(SDNode *N) {
SDValue Op = GetScalarizedVector(N->getOperand(0));
return DAG.getNode(ISD::FPOWI, N->getDebugLoc(),
N->getPointerInfo(),
N->getMemoryVT().getVectorElementType(),
N->isVolatile(), N->isNonTemporal(),
- N->getOriginalAlignment());
+ N->isInvariant(), N->getOriginalAlignment());
// Legalized the chain result - switch anything that used the old chain to
// use the new one.
}
SDValue DAGTypeLegalizer::ScalarizeVecRes_SETCC(SDNode *N) {
+ assert(N->getValueType(0).isVector() ==
+ N->getOperand(0).getValueType().isVector() &&
+ "Scalar/Vector type mismatch");
+
+ if (N->getValueType(0).isVector()) return ScalarizeVecRes_VSETCC(N);
+
SDValue LHS = GetScalarizedVector(N->getOperand(0));
SDValue RHS = GetScalarizedVector(N->getOperand(1));
DebugLoc DL = N->getDebugLoc();
}
SDValue DAGTypeLegalizer::ScalarizeVecRes_VSETCC(SDNode *N) {
+ assert(N->getValueType(0).isVector() &&
+ N->getOperand(0).getValueType().isVector() &&
+ "Operand types must be vectors");
+
SDValue LHS = GetScalarizedVector(N->getOperand(0));
SDValue RHS = GetScalarizedVector(N->getOperand(1));
EVT NVT = N->getValueType(0).getVectorElementType();
- EVT SVT = TLI.getSetCCResultType(LHS.getValueType());
DebugLoc DL = N->getDebugLoc();
// Turn it into a scalar SETCC.
- SDValue Res = DAG.getNode(ISD::SETCC, DL, SVT, LHS, RHS, N->getOperand(2));
-
- // VSETCC always returns a sign-extended value, while SETCC may not. The
- // SETCC result type may not match the vector element type. Correct these.
- if (NVT.bitsLE(SVT)) {
- // The SETCC result type is bigger than the vector element type.
- // Ensure the SETCC result is sign-extended.
- if (TLI.getBooleanContents() !=
- TargetLowering::ZeroOrNegativeOneBooleanContent)
- Res = DAG.getNode(ISD::SIGN_EXTEND_INREG, DL, SVT, Res,
- DAG.getValueType(MVT::i1));
- // Truncate to the final type.
- return DAG.getNode(ISD::TRUNCATE, DL, NVT, Res);
- }
-
- // The SETCC result type is smaller than the vector element type.
- // If the SetCC result is not sign-extended, chop it down to MVT::i1.
- if (TLI.getBooleanContents() !=
- TargetLowering::ZeroOrNegativeOneBooleanContent)
- Res = DAG.getNode(ISD::TRUNCATE, DL, MVT::i1, Res);
- // Sign extend to the final type.
- return DAG.getNode(ISD::SIGN_EXTEND, DL, NVT, Res);
+ SDValue Res = DAG.getNode(ISD::SETCC, DL, MVT::i1, LHS, RHS,
+ N->getOperand(2));
+ // Vectors may have a different boolean contents to scalars. Promote the
+ // value appropriately.
+ ISD::NodeType ExtendCode =
+ TargetLowering::getExtendForContent(TLI.getBooleanContents(true));
+ return DAG.getNode(ExtendCode, DL, NVT, Res);
}
#endif
llvm_unreachable("Do not know how to split the result of this operator!");
- case ISD::MERGE_VALUES: SplitRes_MERGE_VALUES(N, Lo, Hi); break;
+ case ISD::MERGE_VALUES: SplitRes_MERGE_VALUES(N, ResNo, Lo, Hi); break;
+ case ISD::VSELECT:
case ISD::SELECT: SplitRes_SELECT(N, Lo, Hi); break;
case ISD::SELECT_CC: SplitRes_SELECT_CC(N, Lo, Hi); break;
case ISD::UNDEF: SplitRes_UNDEF(N, Lo, Hi); break;
-
case ISD::BITCAST: SplitVecRes_BITCAST(N, Lo, Hi); break;
case ISD::BUILD_VECTOR: SplitVecRes_BUILD_VECTOR(N, Lo, Hi); break;
case ISD::CONCAT_VECTORS: SplitVecRes_CONCAT_VECTORS(N, Lo, Hi); break;
- case ISD::CONVERT_RNDSAT: SplitVecRes_CONVERT_RNDSAT(N, Lo, Hi); break;
case ISD::EXTRACT_SUBVECTOR: SplitVecRes_EXTRACT_SUBVECTOR(N, Lo, Hi); break;
case ISD::FP_ROUND_INREG: SplitVecRes_InregOp(N, Lo, Hi); break;
case ISD::FPOWI: SplitVecRes_FPOWI(N, Lo, Hi); break;
SplitVecRes_LOAD(cast<LoadSDNode>(N), Lo, Hi);
break;
case ISD::SETCC:
- case ISD::VSETCC:
SplitVecRes_SETCC(N, Lo, Hi);
break;
case ISD::VECTOR_SHUFFLE:
break;
case ISD::ANY_EXTEND:
+ case ISD::CONVERT_RNDSAT:
case ISD::CTLZ:
- case ISD::CTPOP:
case ISD::CTTZ:
+ case ISD::CTLZ_ZERO_UNDEF:
+ case ISD::CTTZ_ZERO_UNDEF:
+ case ISD::CTPOP:
case ISD::FABS:
case ISD::FCEIL:
case ISD::FCOS:
case ISD::FNEARBYINT:
case ISD::FNEG:
case ISD::FP_EXTEND:
+ case ISD::FP_ROUND:
case ISD::FP_TO_SINT:
case ISD::FP_TO_UINT:
case ISD::FRINT:
// Handle some special cases efficiently.
switch (getTypeAction(InVT)) {
- default:
- assert(false && "Unknown type action!");
- case Legal:
- case PromoteInteger:
- case SoftenFloat:
- case ScalarizeVector:
+ case TargetLowering::TypeLegal:
+ case TargetLowering::TypePromoteInteger:
+ case TargetLowering::TypeSoftenFloat:
+ case TargetLowering::TypeScalarizeVector:
+ case TargetLowering::TypeWidenVector:
break;
- case ExpandInteger:
- case ExpandFloat:
+ case TargetLowering::TypeExpandInteger:
+ case TargetLowering::TypeExpandFloat:
// A scalar to vector conversion, where the scalar needs expansion.
// If the vector is being split in two then we can just convert the
// expanded pieces.
return;
}
break;
- case SplitVector:
+ case TargetLowering::TypeSplitVector:
// If the input is a vector that needs to be split, convert each split
// piece of the input now.
GetSplitVector(InOp, Lo, Hi);
Hi = DAG.getNode(ISD::CONCAT_VECTORS, dl, HiVT, &HiOps[0], HiOps.size());
}
-void DAGTypeLegalizer::SplitVecRes_CONVERT_RNDSAT(SDNode *N, SDValue &Lo,
- SDValue &Hi) {
- EVT LoVT, HiVT;
- DebugLoc dl = N->getDebugLoc();
- GetSplitDestVTs(N->getValueType(0), LoVT, HiVT);
-
- SDValue DTyOpLo = DAG.getValueType(LoVT);
- SDValue DTyOpHi = DAG.getValueType(HiVT);
-
- SDValue RndOp = N->getOperand(3);
- SDValue SatOp = N->getOperand(4);
- ISD::CvtCode CvtCode = cast<CvtRndSatSDNode>(N)->getCvtCode();
-
- // Split the input.
- SDValue VLo, VHi;
- EVT InVT = N->getOperand(0).getValueType();
- switch (getTypeAction(InVT)) {
- default: llvm_unreachable("Unexpected type action!");
- case Legal: {
- EVT InNVT = EVT::getVectorVT(*DAG.getContext(), InVT.getVectorElementType(),
- LoVT.getVectorNumElements());
- VLo = DAG.getNode(ISD::EXTRACT_SUBVECTOR, dl, InNVT, N->getOperand(0),
- DAG.getIntPtrConstant(0));
- VHi = DAG.getNode(ISD::EXTRACT_SUBVECTOR, dl, InNVT, N->getOperand(0),
- DAG.getIntPtrConstant(InNVT.getVectorNumElements()));
- break;
- }
- case SplitVector:
- GetSplitVector(N->getOperand(0), VLo, VHi);
- break;
- case WidenVector: {
- // If the result needs to be split and the input needs to be widened,
- // the two types must have different lengths. Use the widened result
- // and extract from it to do the split.
- SDValue InOp = GetWidenedVector(N->getOperand(0));
- EVT InNVT = EVT::getVectorVT(*DAG.getContext(), InVT.getVectorElementType(),
- LoVT.getVectorNumElements());
- VLo = DAG.getNode(ISD::EXTRACT_SUBVECTOR, dl, InNVT, InOp,
- DAG.getIntPtrConstant(0));
- VHi = DAG.getNode(ISD::EXTRACT_SUBVECTOR, dl, InNVT, InOp,
- DAG.getIntPtrConstant(InNVT.getVectorNumElements()));
- break;
- }
- }
-
- SDValue STyOpLo = DAG.getValueType(VLo.getValueType());
- SDValue STyOpHi = DAG.getValueType(VHi.getValueType());
-
- Lo = DAG.getConvertRndSat(LoVT, dl, VLo, DTyOpLo, STyOpLo, RndOp, SatOp,
- CvtCode);
- Hi = DAG.getConvertRndSat(HiVT, dl, VHi, DTyOpHi, STyOpHi, RndOp, SatOp,
- CvtCode);
-}
-
void DAGTypeLegalizer::SplitVecRes_EXTRACT_SUBVECTOR(SDNode *N, SDValue &Lo,
SDValue &Hi) {
SDValue Vec = N->getOperand(0);
// Store the new element. This may be larger than the vector element type,
// so use a truncating store.
SDValue EltPtr = GetVectorElementPointer(StackPtr, EltVT, Idx);
- const Type *VecType = VecVT.getTypeForEVT(*DAG.getContext());
+ Type *VecType = VecVT.getTypeForEVT(*DAG.getContext());
unsigned Alignment =
TLI.getTargetData()->getPrefTypeAlignment(VecType);
Store = DAG.getTruncStore(Store, dl, Elt, EltPtr, MachinePointerInfo(), EltVT,
// Load the Lo part from the stack slot.
Lo = DAG.getLoad(Lo.getValueType(), dl, Store, StackPtr, MachinePointerInfo(),
- false, false, 0);
+ false, false, false, 0);
// Increment the pointer to the other part.
unsigned IncrementSize = Lo.getValueType().getSizeInBits() / 8;
// Load the Hi part from the stack slot.
Hi = DAG.getLoad(Hi.getValueType(), dl, Store, StackPtr, MachinePointerInfo(),
- false, false, MinAlign(Alignment, IncrementSize));
+ false, false, false, MinAlign(Alignment, IncrementSize));
}
void DAGTypeLegalizer::SplitVecRes_SCALAR_TO_VECTOR(SDNode *N, SDValue &Lo,
unsigned Alignment = LD->getOriginalAlignment();
bool isVolatile = LD->isVolatile();
bool isNonTemporal = LD->isNonTemporal();
+ bool isInvariant = LD->isInvariant();
EVT LoMemVT, HiMemVT;
GetSplitDestVTs(MemoryVT, LoMemVT, HiMemVT);
Lo = DAG.getLoad(ISD::UNINDEXED, ExtType, LoVT, dl, Ch, Ptr, Offset,
LD->getPointerInfo(), LoMemVT, isVolatile, isNonTemporal,
- Alignment);
+ isInvariant, Alignment);
unsigned IncrementSize = LoMemVT.getSizeInBits()/8;
Ptr = DAG.getNode(ISD::ADD, dl, Ptr.getValueType(), Ptr,
DAG.getIntPtrConstant(IncrementSize));
Hi = DAG.getLoad(ISD::UNINDEXED, ExtType, HiVT, dl, Ch, Ptr, Offset,
LD->getPointerInfo().getWithOffset(IncrementSize),
- HiMemVT, isVolatile, isNonTemporal, Alignment);
+ HiMemVT, isVolatile, isNonTemporal, isInvariant, Alignment);
// Build a factor node to remember that this load is independent of the
// other one.
}
void DAGTypeLegalizer::SplitVecRes_SETCC(SDNode *N, SDValue &Lo, SDValue &Hi) {
+ assert(N->getValueType(0).isVector() &&
+ N->getOperand(0).getValueType().isVector() &&
+ "Operand types must be vectors");
+
EVT LoVT, HiVT;
DebugLoc DL = N->getDebugLoc();
GetSplitDestVTs(N->getValueType(0), LoVT, HiVT);
DebugLoc dl = N->getDebugLoc();
GetSplitDestVTs(N->getValueType(0), LoVT, HiVT);
- // Split the input.
+ // If the input also splits, handle it directly for a compile time speedup.
+ // Otherwise split it by hand.
EVT InVT = N->getOperand(0).getValueType();
- switch (getTypeAction(InVT)) {
- default: llvm_unreachable("Unexpected type action!");
- case Legal: {
+ if (getTypeAction(InVT) == TargetLowering::TypeSplitVector) {
+ GetSplitVector(N->getOperand(0), Lo, Hi);
+ } else {
EVT InNVT = EVT::getVectorVT(*DAG.getContext(), InVT.getVectorElementType(),
LoVT.getVectorNumElements());
Lo = DAG.getNode(ISD::EXTRACT_SUBVECTOR, dl, InNVT, N->getOperand(0),
DAG.getIntPtrConstant(0));
Hi = DAG.getNode(ISD::EXTRACT_SUBVECTOR, dl, InNVT, N->getOperand(0),
DAG.getIntPtrConstant(InNVT.getVectorNumElements()));
- break;
- }
- case SplitVector:
- GetSplitVector(N->getOperand(0), Lo, Hi);
- break;
- case WidenVector: {
- // If the result needs to be split and the input needs to be widened,
- // the two types must have different lengths. Use the widened result
- // and extract from it to do the split.
- SDValue InOp = GetWidenedVector(N->getOperand(0));
- EVT InNVT = EVT::getVectorVT(*DAG.getContext(), InVT.getVectorElementType(),
- LoVT.getVectorNumElements());
- Lo = DAG.getNode(ISD::EXTRACT_SUBVECTOR, dl, InNVT, InOp,
- DAG.getIntPtrConstant(0));
- Hi = DAG.getNode(ISD::EXTRACT_SUBVECTOR, dl, InNVT, InOp,
- DAG.getIntPtrConstant(InNVT.getVectorNumElements()));
- break;
- }
}
- Lo = DAG.getNode(N->getOpcode(), dl, LoVT, Lo);
- Hi = DAG.getNode(N->getOpcode(), dl, HiVT, Hi);
+ if (N->getOpcode() == ISD::FP_ROUND) {
+ Lo = DAG.getNode(N->getOpcode(), dl, LoVT, Lo, N->getOperand(1));
+ Hi = DAG.getNode(N->getOpcode(), dl, HiVT, Hi, N->getOperand(1));
+ } else if (N->getOpcode() == ISD::CONVERT_RNDSAT) {
+ SDValue DTyOpLo = DAG.getValueType(LoVT);
+ SDValue DTyOpHi = DAG.getValueType(HiVT);
+ SDValue STyOpLo = DAG.getValueType(Lo.getValueType());
+ SDValue STyOpHi = DAG.getValueType(Hi.getValueType());
+ SDValue RndOp = N->getOperand(3);
+ SDValue SatOp = N->getOperand(4);
+ ISD::CvtCode CvtCode = cast<CvtRndSatSDNode>(N)->getCvtCode();
+ Lo = DAG.getConvertRndSat(LoVT, dl, Lo, DTyOpLo, STyOpLo, RndOp, SatOp,
+ CvtCode);
+ Hi = DAG.getConvertRndSat(HiVT, dl, Hi, DTyOpHi, STyOpHi, RndOp, SatOp,
+ CvtCode);
+ } else {
+ Lo = DAG.getNode(N->getOpcode(), dl, LoVT, Lo);
+ Hi = DAG.getNode(N->getOpcode(), dl, HiVT, Hi);
+ }
}
void DAGTypeLegalizer::SplitVecRes_VECTOR_SHUFFLE(ShuffleVectorSDNode *N,
dbgs() << "\n";
#endif
llvm_unreachable("Do not know how to split this operator's operand!");
-
+ case ISD::SETCC: Res = SplitVecOp_VSETCC(N); break;
case ISD::BITCAST: Res = SplitVecOp_BITCAST(N); break;
case ISD::EXTRACT_SUBVECTOR: Res = SplitVecOp_EXTRACT_SUBVECTOR(N); break;
case ISD::EXTRACT_VECTOR_ELT:Res = SplitVecOp_EXTRACT_VECTOR_ELT(N); break;
&Elts[0], Elts.size());
}
+SDValue DAGTypeLegalizer::SplitVecOp_VSETCC(SDNode *N) {
+ assert(N->getValueType(0).isVector() &&
+ N->getOperand(0).getValueType().isVector() &&
+ "Operand types must be vectors");
+ // The result has a legal vector type, but the input needs splitting.
+ SDValue Lo0, Hi0, Lo1, Hi1, LoRes, HiRes;
+ DebugLoc DL = N->getDebugLoc();
+ GetSplitVector(N->getOperand(0), Lo0, Hi0);
+ GetSplitVector(N->getOperand(1), Lo1, Hi1);
+ unsigned PartElements = Lo0.getValueType().getVectorNumElements();
+ EVT PartResVT = EVT::getVectorVT(*DAG.getContext(), MVT::i1, PartElements);
+ EVT WideResVT = EVT::getVectorVT(*DAG.getContext(), MVT::i1, 2*PartElements);
+
+ LoRes = DAG.getNode(ISD::SETCC, DL, PartResVT, Lo0, Lo1, N->getOperand(2));
+ HiRes = DAG.getNode(ISD::SETCC, DL, PartResVT, Hi0, Hi1, N->getOperand(2));
+ SDValue Con = DAG.getNode(ISD::CONCAT_VECTORS, DL, WideResVT, LoRes, HiRes);
+ return PromoteTargetBoolean(Con, N->getValueType(0));
+}
+
+
SDValue DAGTypeLegalizer::SplitVecOp_FP_ROUND(SDNode *N) {
// The result has a legal vector type, but the input needs splitting.
EVT ResVT = N->getValueType(0);
#endif
llvm_unreachable("Do not know how to widen the result of this operator!");
+ case ISD::MERGE_VALUES: Res = WidenVecRes_MERGE_VALUES(N, ResNo); break;
case ISD::BITCAST: Res = WidenVecRes_BITCAST(N); break;
case ISD::BUILD_VECTOR: Res = WidenVecRes_BUILD_VECTOR(N); break;
case ISD::CONCAT_VECTORS: Res = WidenVecRes_CONCAT_VECTORS(N); break;
case ISD::LOAD: Res = WidenVecRes_LOAD(N); break;
case ISD::SCALAR_TO_VECTOR: Res = WidenVecRes_SCALAR_TO_VECTOR(N); break;
case ISD::SIGN_EXTEND_INREG: Res = WidenVecRes_InregOp(N); break;
+ case ISD::VSELECT:
case ISD::SELECT: Res = WidenVecRes_SELECT(N); break;
case ISD::SELECT_CC: Res = WidenVecRes_SELECT_CC(N); break;
case ISD::SETCC: Res = WidenVecRes_SETCC(N); break;
case ISD::VECTOR_SHUFFLE:
Res = WidenVecRes_VECTOR_SHUFFLE(cast<ShuffleVectorSDNode>(N));
break;
- case ISD::VSETCC:
- Res = WidenVecRes_VSETCC(N);
- break;
-
case ISD::ADD:
case ISD::AND:
case ISD::BSWAP:
unsigned Opcode = N->getOpcode();
unsigned InVTNumElts = InVT.getVectorNumElements();
- if (getTypeAction(InVT) == WidenVector) {
+ if (getTypeAction(InVT) == TargetLowering::TypeWidenVector) {
InOp = GetWidenedVector(N->getOperand(0));
InVT = InOp.getValueType();
InVTNumElts = InVT.getVectorNumElements();
SDValue ShOp = N->getOperand(1);
EVT ShVT = ShOp.getValueType();
- if (getTypeAction(ShVT) == WidenVector) {
+ if (getTypeAction(ShVT) == TargetLowering::TypeWidenVector) {
ShOp = GetWidenedVector(ShOp);
ShVT = ShOp.getValueType();
}
WidenVT, WidenLHS, DAG.getValueType(ExtVT));
}
+SDValue DAGTypeLegalizer::WidenVecRes_MERGE_VALUES(SDNode *N, unsigned ResNo) {
+ SDValue WidenVec = DisintegrateMERGE_VALUES(N, ResNo);
+ return GetWidenedVector(WidenVec);
+}
+
SDValue DAGTypeLegalizer::WidenVecRes_BITCAST(SDNode *N) {
SDValue InOp = N->getOperand(0);
EVT InVT = InOp.getValueType();
default:
assert(false && "Unknown type action!");
break;
- case Legal:
+ case TargetLowering::TypeLegal:
break;
- case PromoteInteger:
+ case TargetLowering::TypePromoteInteger:
+ // If the incoming type is a vector that is being promoted, then
+ // we know that the elements are arranged differently and that we
+ // must perform the conversion using a stack slot.
+ if (InVT.isVector())
+ break;
+
// If the InOp is promoted to the same size, convert it. Otherwise,
// fall out of the switch and widen the promoted input.
InOp = GetPromotedInteger(InOp);
if (WidenVT.bitsEq(InVT))
return DAG.getNode(ISD::BITCAST, dl, WidenVT, InOp);
break;
- case SoftenFloat:
- case ExpandInteger:
- case ExpandFloat:
- case ScalarizeVector:
- case SplitVector:
+ case TargetLowering::TypeSoftenFloat:
+ case TargetLowering::TypeExpandInteger:
+ case TargetLowering::TypeExpandFloat:
+ case TargetLowering::TypeScalarizeVector:
+ case TargetLowering::TypeSplitVector:
break;
- case WidenVector:
+ case TargetLowering::TypeWidenVector:
// If the InOp is widened to the same size, convert it. Otherwise, fall
// out of the switch and widen the widened input.
InOp = GetWidenedVector(InOp);
EVT WidenVT = TLI.getTypeToTransformTo(*DAG.getContext(), N->getValueType(0));
DebugLoc dl = N->getDebugLoc();
unsigned WidenNumElts = WidenVT.getVectorNumElements();
+ unsigned NumInElts = InVT.getVectorNumElements();
unsigned NumOperands = N->getNumOperands();
bool InputWidened = false; // Indicates we need to widen the input.
- if (getTypeAction(InVT) != WidenVector) {
+ if (getTypeAction(InVT) != TargetLowering::TypeWidenVector) {
if (WidenVT.getVectorNumElements() % InVT.getVectorNumElements() == 0) {
// Add undef vectors to widen to correct length.
unsigned NumConcat = WidenVT.getVectorNumElements() /
if (N->getOperand(i).getOpcode() != ISD::UNDEF)
break;
- if (i > NumOperands)
+ if (i == NumOperands)
// Everything but the first operand is an UNDEF so just return the
// widened first operand.
return GetWidenedVector(N->getOperand(0));
if (NumOperands == 2) {
// Replace concat of two operands with a shuffle.
- SmallVector<int, 16> MaskOps(WidenNumElts);
- for (unsigned i=0; i < WidenNumElts/2; ++i) {
+ SmallVector<int, 16> MaskOps(WidenNumElts, -1);
+ for (unsigned i = 0; i < NumInElts; ++i) {
MaskOps[i] = i;
- MaskOps[i+WidenNumElts/2] = i+WidenNumElts;
+ MaskOps[i + NumInElts] = i + WidenNumElts;
}
return DAG.getVectorShuffle(WidenVT, dl,
GetWidenedVector(N->getOperand(0)),
// Fall back to use extracts and build vector.
EVT EltVT = WidenVT.getVectorElementType();
- unsigned NumInElts = InVT.getVectorNumElements();
SmallVector<SDValue, 16> Ops(WidenNumElts);
unsigned Idx = 0;
for (unsigned i=0; i < NumOperands; ++i) {
ISD::CvtCode CvtCode = cast<CvtRndSatSDNode>(N)->getCvtCode();
unsigned InVTNumElts = InVT.getVectorNumElements();
- if (getTypeAction(InVT) == WidenVector) {
+ if (getTypeAction(InVT) == TargetLowering::TypeWidenVector) {
InOp = GetWidenedVector(InOp);
InVT = InOp.getValueType();
InVTNumElts = InVT.getVectorNumElements();
SDValue Idx = N->getOperand(1);
DebugLoc dl = N->getDebugLoc();
- if (getTypeAction(InOp.getValueType()) == WidenVector)
+ if (getTypeAction(InOp.getValueType()) == TargetLowering::TypeWidenVector)
InOp = GetWidenedVector(InOp);
EVT InVT = InOp.getValueType();
EVT CondEltVT = CondVT.getVectorElementType();
EVT CondWidenVT = EVT::getVectorVT(*DAG.getContext(),
CondEltVT, WidenNumElts);
- if (getTypeAction(CondVT) == WidenVector)
+ if (getTypeAction(CondVT) == TargetLowering::TypeWidenVector)
Cond1 = GetWidenedVector(Cond1);
if (Cond1.getValueType() != CondWidenVT)
SDValue InOp1 = GetWidenedVector(N->getOperand(1));
SDValue InOp2 = GetWidenedVector(N->getOperand(2));
assert(InOp1.getValueType() == WidenVT && InOp2.getValueType() == WidenVT);
- return DAG.getNode(ISD::SELECT, N->getDebugLoc(),
+ return DAG.getNode(N->getOpcode(), N->getDebugLoc(),
WidenVT, Cond1, InOp1, InOp2);
}
}
SDValue DAGTypeLegalizer::WidenVecRes_SETCC(SDNode *N) {
+ assert(N->getValueType(0).isVector() ==
+ N->getOperand(0).getValueType().isVector() &&
+ "Scalar/Vector type mismatch");
+ if (N->getValueType(0).isVector()) return WidenVecRes_VSETCC(N);
+
EVT WidenVT = TLI.getTypeToTransformTo(*DAG.getContext(), N->getValueType(0));
SDValue InOp1 = GetWidenedVector(N->getOperand(0));
SDValue InOp2 = GetWidenedVector(N->getOperand(1));
}
SDValue DAGTypeLegalizer::WidenVecRes_VSETCC(SDNode *N) {
+ assert(N->getValueType(0).isVector() &&
+ N->getOperand(0).getValueType().isVector() &&
+ "Operands must be vectors");
EVT WidenVT = TLI.getTypeToTransformTo(*DAG.getContext(), N->getValueType(0));
unsigned WidenNumElts = WidenVT.getVectorNumElements();
assert(InOp1.getValueType() == WidenInVT &&
InOp2.getValueType() == WidenInVT &&
"Input not widened to expected type!");
- return DAG.getNode(ISD::VSETCC, N->getDebugLoc(),
+ (void)WidenInVT;
+ return DAG.getNode(ISD::SETCC, N->getDebugLoc(),
WidenVT, InOp1, InOp2, N->getOperand(2));
}
case ISD::EXTRACT_SUBVECTOR: Res = WidenVecOp_EXTRACT_SUBVECTOR(N); break;
case ISD::EXTRACT_VECTOR_ELT: Res = WidenVecOp_EXTRACT_VECTOR_ELT(N); break;
case ISD::STORE: Res = WidenVecOp_STORE(N); break;
+ case ISD::SETCC: Res = WidenVecOp_SETCC(N); break;
case ISD::FP_EXTEND:
- case ISD::FP_ROUND:
case ISD::FP_TO_SINT:
case ISD::FP_TO_UINT:
case ISD::SINT_TO_FP:
DebugLoc dl = N->getDebugLoc();
unsigned NumElts = VT.getVectorNumElements();
SDValue InOp = N->getOperand(0);
- if (getTypeAction(InOp.getValueType()) == WidenVector)
+ if (getTypeAction(InOp.getValueType()) == TargetLowering::TypeWidenVector)
InOp = GetWidenedVector(InOp);
EVT InVT = InOp.getValueType();
EVT InEltVT = InVT.getVectorElementType();
unsigned NumOperands = N->getNumOperands();
for (unsigned i=0; i < NumOperands; ++i) {
SDValue InOp = N->getOperand(i);
- if (getTypeAction(InOp.getValueType()) == WidenVector)
+ if (getTypeAction(InOp.getValueType()) == TargetLowering::TypeWidenVector)
InOp = GetWidenedVector(InOp);
for (unsigned j=0; j < NumInElts; ++j)
Ops[Idx++] = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, dl, EltVT, InOp,
MVT::Other,&StChain[0],StChain.size());
}
+SDValue DAGTypeLegalizer::WidenVecOp_SETCC(SDNode *N) {
+ SDValue InOp0 = GetWidenedVector(N->getOperand(0));
+ SDValue InOp1 = GetWidenedVector(N->getOperand(1));
+ DebugLoc dl = N->getDebugLoc();
+
+ // WARNING: In this code we widen the compare instruction with garbage.
+ // This garbage may contain denormal floats which may be slow. Is this a real
+ // concern ? Should we zero the unused lanes if this is a float compare ?
+
+ // Get a new SETCC node to compare the newly widened operands.
+ // Only some of the compared elements are legal.
+ EVT SVT = TLI.getSetCCResultType(InOp0.getValueType());
+ SDValue WideSETCC = DAG.getNode(ISD::SETCC, N->getDebugLoc(),
+ SVT, InOp0, InOp1, N->getOperand(2));
+
+ // Extract the needed results from the result vector.
+ EVT ResVT = EVT::getVectorVT(*DAG.getContext(),
+ SVT.getVectorElementType(),
+ N->getValueType(0).getVectorNumElements());
+ SDValue CC = DAG.getNode(ISD::EXTRACT_SUBVECTOR, dl,
+ ResVT, WideSETCC, DAG.getIntPtrConstant(0));
+
+ return PromoteTargetBoolean(CC, N->getValueType(0));
+}
+
+
//===----------------------------------------------------------------------===//
// Vector Widening Utilities
//===----------------------------------------------------------------------===//
if (MemVT.getSizeInBits() <= WidenEltWidth)
break;
if (TLI.isTypeLegal(MemVT) && (WidenWidth % MemVTWidth) == 0 &&
+ isPowerOf2_32(WidenWidth / MemVTWidth) &&
(MemVTWidth <= Width ||
(Align!=0 && MemVTWidth<=AlignInBits && MemVTWidth<=Width+WidenEx))) {
RetVT = MemVT;
unsigned MemVTWidth = MemVT.getSizeInBits();
if (TLI.isTypeLegal(MemVT) && WidenEltVT == MemVT.getVectorElementType() &&
(WidenWidth % MemVTWidth) == 0 &&
+ isPowerOf2_32(WidenWidth / MemVTWidth) &&
(MemVTWidth <= Width ||
(Align!=0 && MemVTWidth<=AlignInBits && MemVTWidth<=Width+WidenEx))) {
if (RetVT.getSizeInBits() < MemVTWidth || MemVT == WidenVT)
unsigned Align = LD->getAlignment();
bool isVolatile = LD->isVolatile();
bool isNonTemporal = LD->isNonTemporal();
+ bool isInvariant = LD->isInvariant();
int LdWidth = LdVT.getSizeInBits();
int WidthDiff = WidenWidth - LdWidth; // Difference
EVT NewVT = FindMemType(DAG, TLI, LdWidth, WidenVT, LdAlign, WidthDiff);
int NewVTWidth = NewVT.getSizeInBits();
SDValue LdOp = DAG.getLoad(NewVT, dl, Chain, BasePtr, LD->getPointerInfo(),
- isVolatile, isNonTemporal, Align);
+ isVolatile, isNonTemporal, isInvariant, Align);
LdChain.push_back(LdOp.getValue(1));
// Check if we can load the element with one instruction
SDValue LdOp = DAG.getLoad(NewVT, dl, Chain, BasePtr,
LD->getPointerInfo().getWithOffset(Offset),
isVolatile,
- isNonTemporal, MinAlign(Align, Increment));
+ isNonTemporal, isInvariant,
+ MinAlign(Align, Increment));
LdChain.push_back(LdOp.getValue(1));
LdOps.push_back(LdOp);
projects / oota-llvm.git / blobdiff