#include "llvm/Support/raw_ostream.h"
using namespace llvm;
+#define DEBUG_TYPE "legalize-types"
+
//===----------------------------------------------------------------------===//
// Integer Result Promotion
//===----------------------------------------------------------------------===//
SDValue DAGTypeLegalizer::PromoteIntRes_Atomic2(AtomicSDNode *N) {
SDValue Op2 = GetPromotedInteger(N->getOperand(2));
SDValue Op3 = GetPromotedInteger(N->getOperand(3));
- SDValue Res = DAG.getAtomic(N->getOpcode(), SDLoc(N),
- N->getMemoryVT(), N->getChain(), N->getBasePtr(),
- Op2, Op3, N->getMemOperand(), N->getOrdering(),
- N->getSynchScope());
+ SDValue Res = DAG.getAtomic(N->getOpcode(), SDLoc(N), N->getMemoryVT(),
+ N->getChain(), N->getBasePtr(), Op2, Op3,
+ N->getMemOperand(), N->getSuccessOrdering(),
+ N->getFailureOrdering(), N->getSynchScope());
// Legalized the chain result - switch anything that used the old chain to
// use the new one.
ReplaceValueWith(SDValue(N, 1), Res.getValue(1));
EVT ValueVTs[] = { N->getValueType(0), NVT };
SDValue Ops[] = { N->getOperand(0), N->getOperand(1) };
SDValue Res = DAG.getNode(N->getOpcode(), SDLoc(N),
- DAG.getVTList(ValueVTs, 2), Ops, 2);
+ DAG.getVTList(ValueVTs), Ops);
// Modified the sum result - switch anything that used the old sum to use
// the new one.
/// and the shift amount is a constant 'Amt'. Expand the operation.
void DAGTypeLegalizer::ExpandShiftByConstant(SDNode *N, unsigned Amt,
SDValue &Lo, SDValue &Hi) {
+ assert(Amt && "Expected zero shifts to be already optimized away.");
SDLoc DL(N);
// Expand the incoming operand to be shifted, so that we have its parts
SDValue InL, InH;
// Emit this X << 1 as X+X.
SDVTList VTList = DAG.getVTList(NVT, MVT::Glue);
SDValue LoOps[2] = { InL, InL };
- Lo = DAG.getNode(ISD::ADDC, DL, VTList, LoOps, 2);
+ Lo = DAG.getNode(ISD::ADDC, DL, VTList, LoOps);
SDValue HiOps[3] = { InH, InH, Lo.getValue(1) };
- Hi = DAG.getNode(ISD::ADDE, DL, VTList, HiOps, 3);
+ Hi = DAG.getNode(ISD::ADDE, DL, VTList, HiOps);
} else {
Lo = DAG.getNode(ISD::SHL, DL, NVT, InL, DAG.getConstant(Amt, ShTy));
Hi = DAG.getNode(ISD::OR, DL, NVT,
if (hasCarry) {
SDVTList VTList = DAG.getVTList(NVT, MVT::Glue);
if (N->getOpcode() == ISD::ADD) {
- Lo = DAG.getNode(ISD::ADDC, dl, VTList, LoOps, 2);
+ Lo = DAG.getNode(ISD::ADDC, dl, VTList, LoOps);
HiOps[2] = Lo.getValue(1);
- Hi = DAG.getNode(ISD::ADDE, dl, VTList, HiOps, 3);
+ Hi = DAG.getNode(ISD::ADDE, dl, VTList, HiOps);
} else {
- Lo = DAG.getNode(ISD::SUBC, dl, VTList, LoOps, 2);
+ Lo = DAG.getNode(ISD::SUBC, dl, VTList, LoOps);
HiOps[2] = Lo.getValue(1);
- Hi = DAG.getNode(ISD::SUBE, dl, VTList, HiOps, 3);
+ Hi = DAG.getNode(ISD::SUBE, dl, VTList, HiOps);
}
return;
}
if (N->getOpcode() == ISD::ADD) {
- Lo = DAG.getNode(ISD::ADD, dl, NVT, LoOps, 2);
- Hi = DAG.getNode(ISD::ADD, dl, NVT, HiOps, 2);
+ Lo = DAG.getNode(ISD::ADD, dl, NVT, LoOps);
+ Hi = DAG.getNode(ISD::ADD, dl, NVT, ArrayRef<SDValue>(HiOps, 2));
SDValue Cmp1 = DAG.getSetCC(dl, getSetCCResultType(NVT), Lo, LoOps[0],
ISD::SETULT);
SDValue Carry1 = DAG.getSelect(dl, NVT, Cmp1,
DAG.getConstant(1, NVT), Carry1);
Hi = DAG.getNode(ISD::ADD, dl, NVT, Hi, Carry2);
} else {
- Lo = DAG.getNode(ISD::SUB, dl, NVT, LoOps, 2);
- Hi = DAG.getNode(ISD::SUB, dl, NVT, HiOps, 2);
+ Lo = DAG.getNode(ISD::SUB, dl, NVT, LoOps);
+ Hi = DAG.getNode(ISD::SUB, dl, NVT, ArrayRef<SDValue>(HiOps, 2));
SDValue Cmp =
DAG.getSetCC(dl, getSetCCResultType(LoOps[0].getValueType()),
LoOps[0], LoOps[1], ISD::SETULT);
SDValue HiOps[3] = { LHSH, RHSH };
if (N->getOpcode() == ISD::ADDC) {
- Lo = DAG.getNode(ISD::ADDC, dl, VTList, LoOps, 2);
+ Lo = DAG.getNode(ISD::ADDC, dl, VTList, LoOps);
HiOps[2] = Lo.getValue(1);
- Hi = DAG.getNode(ISD::ADDE, dl, VTList, HiOps, 3);
+ Hi = DAG.getNode(ISD::ADDE, dl, VTList, HiOps);
} else {
- Lo = DAG.getNode(ISD::SUBC, dl, VTList, LoOps, 2);
+ Lo = DAG.getNode(ISD::SUBC, dl, VTList, LoOps);
HiOps[2] = Lo.getValue(1);
- Hi = DAG.getNode(ISD::SUBE, dl, VTList, HiOps, 3);
+ Hi = DAG.getNode(ISD::SUBE, dl, VTList, HiOps);
}
// Legalized the flag result - switch anything that used the old flag to
SDValue LoOps[3] = { LHSL, RHSL, N->getOperand(2) };
SDValue HiOps[3] = { LHSH, RHSH };
- Lo = DAG.getNode(N->getOpcode(), dl, VTList, LoOps, 3);
+ Lo = DAG.getNode(N->getOpcode(), dl, VTList, LoOps);
HiOps[2] = Lo.getValue(1);
- Hi = DAG.getNode(N->getOpcode(), dl, VTList, HiOps, 3);
+ Hi = DAG.getNode(N->getOpcode(), dl, VTList, HiOps);
// Legalized the flag result - switch anything that used the old flag to
// use the new one.
SDValue &Lo, SDValue &Hi) {
EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), N->getValueType(0));
unsigned NBitWidth = NVT.getSizeInBits();
- const APInt &Cst = cast<ConstantSDNode>(N)->getAPIntValue();
- Lo = DAG.getConstant(Cst.trunc(NBitWidth), NVT);
- Hi = DAG.getConstant(Cst.lshr(NBitWidth).trunc(NBitWidth), NVT);
+ auto Constant = cast<ConstantSDNode>(N);
+ const APInt &Cst = Constant->getAPIntValue();
+ bool IsTarget = Constant->isTargetOpcode();
+ bool IsOpaque = Constant->isOpaque();
+ Lo = DAG.getConstant(Cst.trunc(NBitWidth), NVT, IsTarget, IsOpaque);
+ Hi = DAG.getConstant(Cst.lshr(NBitWidth).trunc(NBitWidth), NVT, IsTarget,
+ IsOpaque);
}
void DAGTypeLegalizer::ExpandIntRes_CTLZ(SDNode *N,
EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), VT);
SDLoc dl(N);
- bool HasMULHS = TLI.isOperationLegalOrCustom(ISD::MULHS, NVT);
- bool HasMULHU = TLI.isOperationLegalOrCustom(ISD::MULHU, NVT);
- bool HasSMUL_LOHI = TLI.isOperationLegalOrCustom(ISD::SMUL_LOHI, NVT);
- bool HasUMUL_LOHI = TLI.isOperationLegalOrCustom(ISD::UMUL_LOHI, NVT);
- if (HasMULHU || HasMULHS || HasUMUL_LOHI || HasSMUL_LOHI) {
- SDValue LL, LH, RL, RH;
- GetExpandedInteger(N->getOperand(0), LL, LH);
- GetExpandedInteger(N->getOperand(1), RL, RH);
- unsigned OuterBitSize = VT.getSizeInBits();
- unsigned InnerBitSize = NVT.getSizeInBits();
- unsigned LHSSB = DAG.ComputeNumSignBits(N->getOperand(0));
- unsigned RHSSB = DAG.ComputeNumSignBits(N->getOperand(1));
-
- APInt HighMask = APInt::getHighBitsSet(OuterBitSize, InnerBitSize);
- if (DAG.MaskedValueIsZero(N->getOperand(0), HighMask) &&
- DAG.MaskedValueIsZero(N->getOperand(1), HighMask)) {
- // The inputs are both zero-extended.
- if (HasUMUL_LOHI) {
- // We can emit a umul_lohi.
- Lo = DAG.getNode(ISD::UMUL_LOHI, dl, DAG.getVTList(NVT, NVT), LL, RL);
- Hi = SDValue(Lo.getNode(), 1);
- return;
- }
- if (HasMULHU) {
- // We can emit a mulhu+mul.
- Lo = DAG.getNode(ISD::MUL, dl, NVT, LL, RL);
- Hi = DAG.getNode(ISD::MULHU, dl, NVT, LL, RL);
- return;
- }
- }
- if (LHSSB > InnerBitSize && RHSSB > InnerBitSize) {
- // The input values are both sign-extended.
- if (HasSMUL_LOHI) {
- // We can emit a smul_lohi.
- Lo = DAG.getNode(ISD::SMUL_LOHI, dl, DAG.getVTList(NVT, NVT), LL, RL);
- Hi = SDValue(Lo.getNode(), 1);
- return;
- }
- if (HasMULHS) {
- // We can emit a mulhs+mul.
- Lo = DAG.getNode(ISD::MUL, dl, NVT, LL, RL);
- Hi = DAG.getNode(ISD::MULHS, dl, NVT, LL, RL);
- return;
- }
- }
- if (HasUMUL_LOHI) {
- // Lo,Hi = umul LHS, RHS.
- SDValue UMulLOHI = DAG.getNode(ISD::UMUL_LOHI, dl,
- DAG.getVTList(NVT, NVT), LL, RL);
- Lo = UMulLOHI;
- Hi = UMulLOHI.getValue(1);
- RH = DAG.getNode(ISD::MUL, dl, NVT, LL, RH);
- LH = DAG.getNode(ISD::MUL, dl, NVT, LH, RL);
- Hi = DAG.getNode(ISD::ADD, dl, NVT, Hi, RH);
- Hi = DAG.getNode(ISD::ADD, dl, NVT, Hi, LH);
- return;
- }
- if (HasMULHU) {
- Lo = DAG.getNode(ISD::MUL, dl, NVT, LL, RL);
- Hi = DAG.getNode(ISD::MULHU, dl, NVT, LL, RL);
- RH = DAG.getNode(ISD::MUL, dl, NVT, LL, RH);
- LH = DAG.getNode(ISD::MUL, dl, NVT, LH, RL);
- Hi = DAG.getNode(ISD::ADD, dl, NVT, Hi, RH);
- Hi = DAG.getNode(ISD::ADD, dl, NVT, Hi, LH);
- return;
- }
- }
+ SDValue LL, LH, RL, RH;
+ GetExpandedInteger(N->getOperand(0), LL, LH);
+ GetExpandedInteger(N->getOperand(1), RL, RH);
+
+ if (TLI.expandMUL(N, Lo, Hi, NVT, DAG, LL, LH, RL, RH))
+ return;
// If nothing else, we can make a libcall.
RTLIB::Libcall LC = RTLIB::UNKNOWN_LIBCALL;
ShiftOp = DAG.getZExtOrTrunc(ShiftOp, dl, ShiftTy);
SDValue Ops[] = { LHSL, LHSH, ShiftOp };
- Lo = DAG.getNode(PartsOpc, dl, DAG.getVTList(VT, VT), Ops, 3);
+ Lo = DAG.getNode(PartsOpc, dl, DAG.getVTList(VT, VT), Ops);
Hi = Lo.getValue(1);
return;
}
N->getOperand(1), Zero, Zero,
cast<AtomicSDNode>(N)->getMemOperand(),
cast<AtomicSDNode>(N)->getOrdering(),
+ cast<AtomicSDNode>(N)->getOrdering(),
cast<AtomicSDNode>(N)->getSynchScope());
ReplaceValueWith(SDValue(N, 0), Swap.getValue(0));
ReplaceValueWith(SDValue(N, 1), Swap.getValue(1));
// NOTE: on targets without efficient SELECT of bools, we can always use
// this identity: (B1 ? B2 : B3) --> (B1 & B2)|(!B1&B3)
- TargetLowering::DAGCombinerInfo DagCombineInfo(DAG, AfterLegalizeTypes, true, NULL);
+ TargetLowering::DAGCombinerInfo DagCombineInfo(DAG, AfterLegalizeTypes, true,
+ nullptr);
SDValue Tmp1, Tmp2;
if (TLI.isTypeLegal(LHSLo.getValueType()) &&
TLI.isTypeLegal(RHSLo.getValueType()))
// If ExpandSetCCOperands returned a scalar, we need to compare the result
// against zero to select between true and false values.
- if (NewRHS.getNode() == 0) {
+ if (!NewRHS.getNode()) {
NewRHS = DAG.getConstant(0, NewLHS.getValueType());
CCCode = ISD::SETNE;
}
// If ExpandSetCCOperands returned a scalar, we need to compare the result
// against zero to select between true and false values.
- if (NewRHS.getNode() == 0) {
+ if (!NewRHS.getNode()) {
NewRHS = DAG.getConstant(0, NewLHS.getValueType());
CCCode = ISD::SETNE;
}
IntegerExpandSetCCOperands(NewLHS, NewRHS, CCCode, SDLoc(N));
// If ExpandSetCCOperands returned a scalar, use it.
- if (NewRHS.getNode() == 0) {
+ if (!NewRHS.getNode()) {
assert(NewLHS.getValueType() == N->getValueType(0) &&
"Unexpected setcc expansion!");
return NewLHS;
Ops.push_back(Op);
}
- return DAG.getNode(ISD::BUILD_VECTOR, dl, NOutVT, &Ops[0], Ops.size());
+ return DAG.getNode(ISD::BUILD_VECTOR, dl, NOutVT, Ops);
}
Ops.push_back(Op);
}
- return DAG.getNode(ISD::BUILD_VECTOR, dl, NOutVT, &Ops[0], Ops.size());
+ return DAG.getNode(ISD::BUILD_VECTOR, dl, NOutVT, Ops);
}
SDValue DAGTypeLegalizer::PromoteIntRes_SCALAR_TO_VECTOR(SDNode *N) {
}
}
- return DAG.getNode(ISD::BUILD_VECTOR, dl, NOutVT, &Ops[0], Ops.size());
+ return DAG.getNode(ISD::BUILD_VECTOR, dl, NOutVT, Ops);
}
SDValue DAGTypeLegalizer::PromoteIntRes_INSERT_VECTOR_ELT(SDNode *N) {
}
}
- return DAG.getNode(ISD::BUILD_VECTOR, dl, N->getValueType(0),
- &NewOps[0], NewOps.size());
- }
+ return DAG.getNode(ISD::BUILD_VECTOR, dl, N->getValueType(0), NewOps);
+}
projects / oota-llvm.git / blobdiff