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-rw-r--r--lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp269
1 files changed, 133 insertions, 136 deletions
diff --git a/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp b/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
index 4255948ea157..44d9e3875b83 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
@@ -24,6 +24,8 @@
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
+#define DEBUG_TYPE "legalize-types"
+
//===----------------------------------------------------------------------===//
// Integer Result Promotion
//===----------------------------------------------------------------------===//
@@ -97,7 +99,7 @@ void DAGTypeLegalizer::PromoteIntegerResult(SDNode *N, unsigned ResNo) {
case ISD::FP_TO_SINT:
case ISD::FP_TO_UINT: Res = PromoteIntRes_FP_TO_XINT(N); break;
- case ISD::FP32_TO_FP16:Res = PromoteIntRes_FP32_TO_FP16(N); break;
+ case ISD::FP_TO_FP16: Res = PromoteIntRes_FP_TO_FP16(N); break;
case ISD::AND:
case ISD::OR:
@@ -136,7 +138,9 @@ void DAGTypeLegalizer::PromoteIntegerResult(SDNode *N, unsigned ResNo) {
Res = PromoteIntRes_Atomic1(cast<AtomicSDNode>(N)); break;
case ISD::ATOMIC_CMP_SWAP:
- Res = PromoteIntRes_Atomic2(cast<AtomicSDNode>(N)); break;
+ case ISD::ATOMIC_CMP_SWAP_WITH_SUCCESS:
+ Res = PromoteIntRes_AtomicCmpSwap(cast<AtomicSDNode>(N), ResNo);
+ break;
}
// If the result is null then the sub-method took care of registering it.
@@ -190,16 +194,40 @@ SDValue DAGTypeLegalizer::PromoteIntRes_Atomic1(AtomicSDNode *N) {
return Res;
}
-SDValue DAGTypeLegalizer::PromoteIntRes_Atomic2(AtomicSDNode *N) {
+SDValue DAGTypeLegalizer::PromoteIntRes_AtomicCmpSwap(AtomicSDNode *N,
+ unsigned ResNo) {
+ if (ResNo == 1) {
+ assert(N->getOpcode() == ISD::ATOMIC_CMP_SWAP_WITH_SUCCESS);
+ EVT SVT = getSetCCResultType(N->getOperand(2).getValueType());
+ EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), N->getValueType(1));
+
+ // Only use the result of getSetCCResultType if it is legal,
+ // otherwise just use the promoted result type (NVT).
+ if (!TLI.isTypeLegal(SVT))
+ SVT = NVT;
+
+ SDVTList VTs = DAG.getVTList(N->getValueType(0), SVT, MVT::Other);
+ SDValue Res = DAG.getAtomicCmpSwap(
+ ISD::ATOMIC_CMP_SWAP_WITH_SUCCESS, SDLoc(N), N->getMemoryVT(), VTs,
+ N->getChain(), N->getBasePtr(), N->getOperand(2), N->getOperand(3),
+ N->getMemOperand(), N->getSuccessOrdering(), N->getFailureOrdering(),
+ N->getSynchScope());
+ ReplaceValueWith(SDValue(N, 0), Res.getValue(0));
+ ReplaceValueWith(SDValue(N, 2), Res.getValue(2));
+ return Res.getValue(1);
+ }
+
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());
- // Legalized the chain result - switch anything that used the old chain to
- // use the new one.
- ReplaceValueWith(SDValue(N, 1), Res.getValue(1));
+ SDVTList VTs =
+ DAG.getVTList(Op2.getValueType(), N->getValueType(1), MVT::Other);
+ SDValue Res = DAG.getAtomicCmpSwap(
+ N->getOpcode(), SDLoc(N), N->getMemoryVT(), VTs, N->getChain(),
+ N->getBasePtr(), Op2, Op3, N->getMemOperand(), N->getSuccessOrdering(),
+ N->getFailureOrdering(), N->getSynchScope());
+ // Update the use to N with the newly created Res.
+ for (unsigned i = 1, NumResults = N->getNumValues(); i < NumResults; ++i)
+ ReplaceValueWith(SDValue(N, i), Res.getValue(i));
return Res;
}
@@ -266,9 +294,9 @@ SDValue DAGTypeLegalizer::PromoteIntRes_BSWAP(SDNode *N) {
EVT NVT = Op.getValueType();
SDLoc dl(N);
- unsigned DiffBits = NVT.getSizeInBits() - OVT.getSizeInBits();
+ unsigned DiffBits = NVT.getScalarSizeInBits() - OVT.getScalarSizeInBits();
return DAG.getNode(ISD::SRL, dl, NVT, DAG.getNode(ISD::BSWAP, dl, NVT, Op),
- DAG.getConstant(DiffBits, TLI.getPointerTy()));
+ DAG.getConstant(DiffBits, TLI.getShiftAmountTy(NVT)));
}
SDValue DAGTypeLegalizer::PromoteIntRes_BUILD_PAIR(SDNode *N) {
@@ -372,7 +400,7 @@ SDValue DAGTypeLegalizer::PromoteIntRes_FP_TO_XINT(SDNode *N) {
DAG.getValueType(N->getValueType(0).getScalarType()));
}
-SDValue DAGTypeLegalizer::PromoteIntRes_FP32_TO_FP16(SDNode *N) {
+SDValue DAGTypeLegalizer::PromoteIntRes_FP_TO_FP16(SDNode *N) {
EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), N->getValueType(0));
SDLoc dl(N);
@@ -432,7 +460,7 @@ SDValue DAGTypeLegalizer::PromoteIntRes_Overflow(SDNode *N) {
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.
@@ -490,7 +518,7 @@ SDValue DAGTypeLegalizer::PromoteIntRes_VSELECT(SDNode *N) {
EVT OpTy = N->getOperand(1).getValueType();
// Promote all the way up to the canonical SetCC type.
- Mask = PromoteTargetBoolean(Mask, getSetCCResultType(OpTy));
+ Mask = PromoteTargetBoolean(Mask, OpTy);
SDValue LHS = GetPromotedInteger(N->getOperand(1));
SDValue RHS = GetPromotedInteger(N->getOperand(2));
return DAG.getNode(ISD::VSELECT, SDLoc(N),
@@ -797,7 +825,7 @@ bool DAGTypeLegalizer::PromoteIntegerOperand(SDNode *N, unsigned OpNo) {
case ISD::STORE: Res = PromoteIntOp_STORE(cast<StoreSDNode>(N),
OpNo); break;
case ISD::TRUNCATE: Res = PromoteIntOp_TRUNCATE(N); break;
- case ISD::FP16_TO_FP32:
+ case ISD::FP16_TO_FP:
case ISD::UINT_TO_FP: Res = PromoteIntOp_UINT_TO_FP(N); break;
case ISD::ZERO_EXTEND: Res = PromoteIntOp_ZERO_EXTEND(N); break;
@@ -890,8 +918,7 @@ SDValue DAGTypeLegalizer::PromoteIntOp_BRCOND(SDNode *N, unsigned OpNo) {
assert(OpNo == 1 && "only know how to promote condition");
// Promote all the way up to the canonical SetCC type.
- EVT SVT = getSetCCResultType(MVT::Other);
- SDValue Cond = PromoteTargetBoolean(N->getOperand(1), SVT);
+ SDValue Cond = PromoteTargetBoolean(N->getOperand(1), MVT::Other);
// The chain (Op#0) and basic block destination (Op#2) are always legal types.
return SDValue(DAG.UpdateNodeOperands(N, N->getOperand(0), Cond,
@@ -931,7 +958,7 @@ SDValue DAGTypeLegalizer::PromoteIntOp_BUILD_VECTOR(SDNode *N) {
for (unsigned i = 0; i < NumElts; ++i)
NewOps.push_back(GetPromotedInteger(N->getOperand(i)));
- return SDValue(DAG.UpdateNodeOperands(N, &NewOps[0], NumElts), 0);
+ return SDValue(DAG.UpdateNodeOperands(N, NewOps), 0);
}
SDValue DAGTypeLegalizer::PromoteIntOp_CONVERT_RNDSAT(SDNode *N) {
@@ -984,9 +1011,8 @@ SDValue DAGTypeLegalizer::PromoteIntOp_SELECT(SDNode *N, unsigned OpNo) {
EVT OpTy = N->getOperand(1).getValueType();
// Promote all the way up to the canonical SetCC type.
- EVT SVT = getSetCCResultType(N->getOpcode() == ISD::SELECT ?
- OpTy.getScalarType() : OpTy);
- Cond = PromoteTargetBoolean(Cond, SVT);
+ EVT OpVT = N->getOpcode() == ISD::SELECT ? OpTy.getScalarType() : OpTy;
+ Cond = PromoteTargetBoolean(Cond, OpVT);
return SDValue(DAG.UpdateNodeOperands(N, Cond, N->getOperand(1),
N->getOperand(2)), 0);
@@ -1141,6 +1167,26 @@ void DAGTypeLegalizer::ExpandIntegerResult(SDNode *N, unsigned ResNo) {
ReplaceValueWith(SDValue(N, 1), Tmp.second);
break;
}
+ case ISD::ATOMIC_CMP_SWAP_WITH_SUCCESS: {
+ AtomicSDNode *AN = cast<AtomicSDNode>(N);
+ SDVTList VTs = DAG.getVTList(N->getValueType(0), MVT::Other);
+ SDValue Tmp = DAG.getAtomicCmpSwap(
+ ISD::ATOMIC_CMP_SWAP, SDLoc(N), AN->getMemoryVT(), VTs,
+ N->getOperand(0), N->getOperand(1), N->getOperand(2), N->getOperand(3),
+ AN->getMemOperand(), AN->getSuccessOrdering(), AN->getFailureOrdering(),
+ AN->getSynchScope());
+
+ // Expanding to the strong ATOMIC_CMP_SWAP node means we can determine
+ // success simply by comparing the loaded value against the ingoing
+ // comparison.
+ SDValue Success = DAG.getSetCC(SDLoc(N), N->getValueType(1), Tmp,
+ N->getOperand(2), ISD::SETEQ);
+
+ SplitInteger(Tmp, Lo, Hi);
+ ReplaceValueWith(SDValue(N, 1), Success);
+ ReplaceValueWith(SDValue(N, 2), Tmp.getValue(1));
+ break;
+ }
case ISD::AND:
case ISD::OR:
@@ -1270,6 +1316,7 @@ std::pair <SDValue, SDValue> DAGTypeLegalizer::ExpandAtomic(SDNode *Node) {
/// 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;
@@ -1296,9 +1343,9 @@ void DAGTypeLegalizer::ExpandShiftByConstant(SDNode *N, unsigned Amt,
// 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,
@@ -1372,7 +1419,7 @@ ExpandShiftWithKnownAmountBit(SDNode *N, SDValue &Lo, SDValue &Hi) {
APInt HighBitMask = APInt::getHighBitsSet(ShBits, ShBits - Log2_32(NVTBits));
APInt KnownZero, KnownOne;
- DAG.ComputeMaskedBits(N->getOperand(1), KnownZero, KnownOne);
+ DAG.computeKnownBits(N->getOperand(1), KnownZero, KnownOne);
// If we don't know anything about the high bits, exit.
if (((KnownZero|KnownOne) & HighBitMask) == 0)
@@ -1547,20 +1594,20 @@ void DAGTypeLegalizer::ExpandIntRes_ADDSUB(SDNode *N,
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, makeArrayRef(HiOps, 2));
SDValue Cmp1 = DAG.getSetCC(dl, getSetCCResultType(NVT), Lo, LoOps[0],
ISD::SETULT);
SDValue Carry1 = DAG.getSelect(dl, NVT, Cmp1,
@@ -1572,8 +1619,8 @@ void DAGTypeLegalizer::ExpandIntRes_ADDSUB(SDNode *N,
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, makeArrayRef(HiOps, 2));
SDValue Cmp =
DAG.getSetCC(dl, getSetCCResultType(LoOps[0].getValueType()),
LoOps[0], LoOps[1], ISD::SETULT);
@@ -1596,13 +1643,13 @@ void DAGTypeLegalizer::ExpandIntRes_ADDSUBC(SDNode *N,
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
@@ -1621,9 +1668,9 @@ void DAGTypeLegalizer::ExpandIntRes_ADDSUBE(SDNode *N,
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.
@@ -1712,9 +1759,13 @@ void DAGTypeLegalizer::ExpandIntRes_Constant(SDNode *N,
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,
@@ -1923,73 +1974,12 @@ void DAGTypeLegalizer::ExpandIntRes_MUL(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));
+ SDValue LL, LH, RL, RH;
+ GetExpandedInteger(N->getOperand(0), LL, LH);
+ GetExpandedInteger(N->getOperand(1), RL, RH);
- 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;
- }
- }
+ 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;
@@ -2120,7 +2110,7 @@ void DAGTypeLegalizer::ExpandIntRes_Shift(SDNode *N,
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;
}
@@ -2352,12 +2342,12 @@ void DAGTypeLegalizer::ExpandIntRes_XMULO(SDNode *N,
Args.push_back(Entry);
SDValue Func = DAG.getExternalSymbol(TLI.getLibcallName(LC), PtrVT);
- TargetLowering::
- CallLoweringInfo CLI(Chain, RetTy, true, false, false, false,
- 0, TLI.getLibcallCallingConv(LC),
- /*isTailCall=*/false,
- /*doesNotReturn=*/false, /*isReturnValueUsed=*/true,
- Func, Args, DAG, dl);
+
+ TargetLowering::CallLoweringInfo CLI(DAG);
+ CLI.setDebugLoc(dl).setChain(Chain)
+ .setCallee(TLI.getLibcallCallingConv(LC), RetTy, Func, std::move(Args), 0)
+ .setSExtResult();
+
std::pair<SDValue, SDValue> CallInfo = TLI.LowerCallTo(CLI);
SplitInteger(CallInfo.first, Lo, Hi);
@@ -2442,15 +2432,18 @@ void DAGTypeLegalizer::ExpandIntRes_ATOMIC_LOAD(SDNode *N,
SDValue &Lo, SDValue &Hi) {
SDLoc dl(N);
EVT VT = cast<AtomicSDNode>(N)->getMemoryVT();
+ SDVTList VTs = DAG.getVTList(VT, MVT::i1, MVT::Other);
SDValue Zero = DAG.getConstant(0, VT);
- SDValue Swap = DAG.getAtomic(ISD::ATOMIC_CMP_SWAP, dl, VT,
- N->getOperand(0),
- N->getOperand(1), Zero, Zero,
- cast<AtomicSDNode>(N)->getMemOperand(),
- cast<AtomicSDNode>(N)->getOrdering(),
- cast<AtomicSDNode>(N)->getSynchScope());
+ SDValue Swap = DAG.getAtomicCmpSwap(
+ ISD::ATOMIC_CMP_SWAP_WITH_SUCCESS, dl,
+ cast<AtomicSDNode>(N)->getMemoryVT(), VTs, N->getOperand(0),
+ 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));
+ ReplaceValueWith(SDValue(N, 1), Swap.getValue(2));
}
//===----------------------------------------------------------------------===//
@@ -2575,15 +2568,20 @@ void DAGTypeLegalizer::IntegerExpandSetCCOperands(SDValue &NewLHS,
// 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;
- Tmp1 = TLI.SimplifySetCC(getSetCCResultType(LHSLo.getValueType()),
- LHSLo, RHSLo, LowCC, false, DagCombineInfo, dl);
+ if (TLI.isTypeLegal(LHSLo.getValueType()) &&
+ TLI.isTypeLegal(RHSLo.getValueType()))
+ Tmp1 = TLI.SimplifySetCC(getSetCCResultType(LHSLo.getValueType()),
+ LHSLo, RHSLo, LowCC, false, DagCombineInfo, dl);
if (!Tmp1.getNode())
Tmp1 = DAG.getSetCC(dl, getSetCCResultType(LHSLo.getValueType()),
LHSLo, RHSLo, LowCC);
- Tmp2 = TLI.SimplifySetCC(getSetCCResultType(LHSHi.getValueType()),
- LHSHi, RHSHi, CCCode, false, DagCombineInfo, dl);
+ if (TLI.isTypeLegal(LHSHi.getValueType()) &&
+ TLI.isTypeLegal(RHSHi.getValueType()))
+ Tmp2 = TLI.SimplifySetCC(getSetCCResultType(LHSHi.getValueType()),
+ LHSHi, RHSHi, CCCode, false, DagCombineInfo, dl);
if (!Tmp2.getNode())
Tmp2 = DAG.getNode(ISD::SETCC, dl,
getSetCCResultType(LHSHi.getValueType()),
@@ -2624,7 +2622,7 @@ SDValue DAGTypeLegalizer::ExpandIntOp_BR_CC(SDNode *N) {
// 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;
}
@@ -2642,7 +2640,7 @@ SDValue DAGTypeLegalizer::ExpandIntOp_SELECT_CC(SDNode *N) {
// 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;
}
@@ -2659,7 +2657,7 @@ SDValue DAGTypeLegalizer::ExpandIntOp_SETCC(SDNode *N) {
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;
@@ -2907,7 +2905,7 @@ SDValue DAGTypeLegalizer::PromoteIntRes_EXTRACT_SUBVECTOR(SDNode *N) {
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);
}
@@ -2954,7 +2952,7 @@ SDValue DAGTypeLegalizer::PromoteIntRes_BUILD_VECTOR(SDNode *N) {
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) {
@@ -3002,7 +3000,7 @@ SDValue DAGTypeLegalizer::PromoteIntRes_CONCAT_VECTORS(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) {
@@ -3058,6 +3056,5 @@ SDValue DAGTypeLegalizer::PromoteIntOp_CONCAT_VECTORS(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);
+}
generated by cgit v1.3 (git 2.53.0) at 2026-04-08 15:26:03 +0000