X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FCodeGen%2FSelectionDAG%2FLegalizeFloatTypes.cpp;h=97e88bf84a705e8a8f2c5cf23b3be534d6323b79;hb=546611e3987a8684f2c260d3793964494bf97950;hp=903de808a62990b5eee07b7808e1937eb482f9d4;hpb=c45cb9f739bd5d541576212f1e0cc2689a731ab8;p=oota-llvm.git diff --git a/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp b/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp index 903de808a62..97e88bf84a7 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp @@ -20,18 +20,24 @@ //===----------------------------------------------------------------------===// #include "LegalizeTypes.h" +#include "llvm/Support/ErrorHandling.h" +#include "llvm/Support/raw_ostream.h" using namespace llvm; +#define DEBUG_TYPE "legalize-types" + /// GetFPLibCall - Return the right libcall for the given floating point type. -static RTLIB::Libcall GetFPLibCall(MVT VT, +static RTLIB::Libcall GetFPLibCall(EVT VT, RTLIB::Libcall Call_F32, RTLIB::Libcall Call_F64, RTLIB::Libcall Call_F80, + RTLIB::Libcall Call_F128, RTLIB::Libcall Call_PPCF128) { return VT == MVT::f32 ? Call_F32 : VT == MVT::f64 ? Call_F64 : VT == MVT::f80 ? Call_F80 : + VT == MVT::f128 ? Call_F128 : VT == MVT::ppcf128 ? Call_PPCF128 : RTLIB::UNKNOWN_LIBCALL; } @@ -41,39 +47,63 @@ static RTLIB::Libcall GetFPLibCall(MVT VT, //===----------------------------------------------------------------------===// void DAGTypeLegalizer::SoftenFloatResult(SDNode *N, unsigned ResNo) { - DEBUG(cerr << "Soften float result " << ResNo << ": "; N->dump(&DAG); - cerr << "\n"); + DEBUG(dbgs() << "Soften float result " << ResNo << ": "; N->dump(&DAG); + dbgs() << "\n"); SDValue R = SDValue(); switch (N->getOpcode()) { default: #ifndef NDEBUG - cerr << "SoftenFloatResult #" << ResNo << ": "; - N->dump(&DAG); cerr << "\n"; + dbgs() << "SoftenFloatResult #" << ResNo << ": "; + N->dump(&DAG); dbgs() << "\n"; #endif - assert(0 && "Do not know how to soften the result of this operator!"); - abort(); + llvm_unreachable("Do not know how to soften the result of this operator!"); - case ISD::BIT_CONVERT: R = SoftenFloatRes_BIT_CONVERT(N); break; + case ISD::MERGE_VALUES:R = SoftenFloatRes_MERGE_VALUES(N, ResNo); break; + case ISD::BITCAST: R = SoftenFloatRes_BITCAST(N); break; case ISD::BUILD_PAIR: R = SoftenFloatRes_BUILD_PAIR(N); break; case ISD::ConstantFP: R = SoftenFloatRes_ConstantFP(cast(N)); break; + case ISD::EXTRACT_VECTOR_ELT: + R = SoftenFloatRes_EXTRACT_VECTOR_ELT(N); break; case ISD::FABS: R = SoftenFloatRes_FABS(N); break; + case ISD::FMINNUM: R = SoftenFloatRes_FMINNUM(N); break; + case ISD::FMAXNUM: R = SoftenFloatRes_FMAXNUM(N); break; case ISD::FADD: R = SoftenFloatRes_FADD(N); break; + case ISD::FCEIL: R = SoftenFloatRes_FCEIL(N); break; case ISD::FCOPYSIGN: R = SoftenFloatRes_FCOPYSIGN(N); break; + case ISD::FCOS: R = SoftenFloatRes_FCOS(N); break; case ISD::FDIV: R = SoftenFloatRes_FDIV(N); break; + case ISD::FEXP: R = SoftenFloatRes_FEXP(N); break; + case ISD::FEXP2: R = SoftenFloatRes_FEXP2(N); break; + case ISD::FFLOOR: R = SoftenFloatRes_FFLOOR(N); break; + case ISD::FLOG: R = SoftenFloatRes_FLOG(N); break; + case ISD::FLOG2: R = SoftenFloatRes_FLOG2(N); break; + case ISD::FLOG10: R = SoftenFloatRes_FLOG10(N); break; + case ISD::FMA: R = SoftenFloatRes_FMA(N); break; case ISD::FMUL: R = SoftenFloatRes_FMUL(N); break; + case ISD::FNEARBYINT: R = SoftenFloatRes_FNEARBYINT(N); break; + case ISD::FNEG: R = SoftenFloatRes_FNEG(N); break; case ISD::FP_EXTEND: R = SoftenFloatRes_FP_EXTEND(N); break; case ISD::FP_ROUND: R = SoftenFloatRes_FP_ROUND(N); break; + case ISD::FP16_TO_FP: R = SoftenFloatRes_FP16_TO_FP(N); break; case ISD::FPOW: R = SoftenFloatRes_FPOW(N); break; case ISD::FPOWI: R = SoftenFloatRes_FPOWI(N); break; + case ISD::FREM: R = SoftenFloatRes_FREM(N); break; + case ISD::FRINT: R = SoftenFloatRes_FRINT(N); break; + case ISD::FROUND: R = SoftenFloatRes_FROUND(N); break; + case ISD::FSIN: R = SoftenFloatRes_FSIN(N); break; + case ISD::FSQRT: R = SoftenFloatRes_FSQRT(N); break; case ISD::FSUB: R = SoftenFloatRes_FSUB(N); break; + case ISD::FTRUNC: R = SoftenFloatRes_FTRUNC(N); break; case ISD::LOAD: R = SoftenFloatRes_LOAD(N); break; case ISD::SELECT: R = SoftenFloatRes_SELECT(N); break; case ISD::SELECT_CC: R = SoftenFloatRes_SELECT_CC(N); break; - case ISD::SINT_TO_FP: R = SoftenFloatRes_SINT_TO_FP(N); break; - case ISD::UINT_TO_FP: R = SoftenFloatRes_UINT_TO_FP(N); break; + case ISD::SINT_TO_FP: + case ISD::UINT_TO_FP: R = SoftenFloatRes_XINT_TO_FP(N); break; + case ISD::UNDEF: R = SoftenFloatRes_UNDEF(N); break; + case ISD::VAARG: R = SoftenFloatRes_VAARG(N); break; } // If R is null, the sub-method took care of registering the result. @@ -81,171 +111,488 @@ void DAGTypeLegalizer::SoftenFloatResult(SDNode *N, unsigned ResNo) { SetSoftenedFloat(SDValue(N, ResNo), R); } -SDValue DAGTypeLegalizer::SoftenFloatRes_BIT_CONVERT(SDNode *N) { +SDValue DAGTypeLegalizer::SoftenFloatRes_BITCAST(SDNode *N) { return BitConvertToInteger(N->getOperand(0)); } +SDValue DAGTypeLegalizer::SoftenFloatRes_MERGE_VALUES(SDNode *N, + unsigned ResNo) { + SDValue Op = DisintegrateMERGE_VALUES(N, ResNo); + return BitConvertToInteger(Op); +} + SDValue DAGTypeLegalizer::SoftenFloatRes_BUILD_PAIR(SDNode *N) { // Convert the inputs to integers, and build a new pair out of them. - return DAG.getNode(ISD::BUILD_PAIR, - TLI.getTypeToTransformTo(N->getValueType(0)), + return DAG.getNode(ISD::BUILD_PAIR, SDLoc(N), + TLI.getTypeToTransformTo(*DAG.getContext(), + N->getValueType(0)), BitConvertToInteger(N->getOperand(0)), BitConvertToInteger(N->getOperand(1))); } SDValue DAGTypeLegalizer::SoftenFloatRes_ConstantFP(ConstantFPSDNode *N) { - return DAG.getConstant(N->getValueAPF().bitcastToAPInt(), - TLI.getTypeToTransformTo(N->getValueType(0))); + return DAG.getConstant(N->getValueAPF().bitcastToAPInt(), SDLoc(N), + TLI.getTypeToTransformTo(*DAG.getContext(), + N->getValueType(0))); +} + +SDValue DAGTypeLegalizer::SoftenFloatRes_EXTRACT_VECTOR_ELT(SDNode *N) { + SDValue NewOp = BitConvertVectorToIntegerVector(N->getOperand(0)); + return DAG.getNode(ISD::EXTRACT_VECTOR_ELT, SDLoc(N), + NewOp.getValueType().getVectorElementType(), + NewOp, N->getOperand(1)); } SDValue DAGTypeLegalizer::SoftenFloatRes_FABS(SDNode *N) { - MVT NVT = TLI.getTypeToTransformTo(N->getValueType(0)); + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), N->getValueType(0)); unsigned Size = NVT.getSizeInBits(); // Mask = ~(1 << (Size-1)) - SDValue Mask = DAG.getConstant(APInt::getAllOnesValue(Size).clear(Size-1), - NVT); + APInt API = APInt::getAllOnesValue(Size); + API.clearBit(Size - 1); + SDValue Mask = DAG.getConstant(API, SDLoc(N), NVT); SDValue Op = GetSoftenedFloat(N->getOperand(0)); - return DAG.getNode(ISD::AND, NVT, Op, Mask); + return DAG.getNode(ISD::AND, SDLoc(N), NVT, Op, Mask); +} + +SDValue DAGTypeLegalizer::SoftenFloatRes_FMINNUM(SDNode *N) { + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), N->getValueType(0)); + SDValue Ops[2] = { GetSoftenedFloat(N->getOperand(0)), + GetSoftenedFloat(N->getOperand(1)) }; + return TLI.makeLibCall(DAG, GetFPLibCall(N->getValueType(0), + RTLIB::FMIN_F32, + RTLIB::FMIN_F64, + RTLIB::FMIN_F80, + RTLIB::FMIN_F128, + RTLIB::FMIN_PPCF128), + NVT, Ops, false, SDLoc(N)).first; +} + +SDValue DAGTypeLegalizer::SoftenFloatRes_FMAXNUM(SDNode *N) { + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), N->getValueType(0)); + SDValue Ops[2] = { GetSoftenedFloat(N->getOperand(0)), + GetSoftenedFloat(N->getOperand(1)) }; + return TLI.makeLibCall(DAG, GetFPLibCall(N->getValueType(0), + RTLIB::FMAX_F32, + RTLIB::FMAX_F64, + RTLIB::FMAX_F80, + RTLIB::FMAX_F128, + RTLIB::FMAX_PPCF128), + NVT, Ops, false, SDLoc(N)).first; } SDValue DAGTypeLegalizer::SoftenFloatRes_FADD(SDNode *N) { - MVT NVT = TLI.getTypeToTransformTo(N->getValueType(0)); + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), N->getValueType(0)); SDValue Ops[2] = { GetSoftenedFloat(N->getOperand(0)), GetSoftenedFloat(N->getOperand(1)) }; - return MakeLibCall(GetFPLibCall(N->getValueType(0), - RTLIB::ADD_F32, - RTLIB::ADD_F64, - RTLIB::ADD_F80, - RTLIB::ADD_PPCF128), - NVT, Ops, 2, false); + return TLI.makeLibCall(DAG, GetFPLibCall(N->getValueType(0), + RTLIB::ADD_F32, + RTLIB::ADD_F64, + RTLIB::ADD_F80, + RTLIB::ADD_F128, + RTLIB::ADD_PPCF128), + NVT, Ops, false, SDLoc(N)).first; +} + +SDValue DAGTypeLegalizer::SoftenFloatRes_FCEIL(SDNode *N) { + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), N->getValueType(0)); + SDValue Op = GetSoftenedFloat(N->getOperand(0)); + return TLI.makeLibCall(DAG, GetFPLibCall(N->getValueType(0), + RTLIB::CEIL_F32, + RTLIB::CEIL_F64, + RTLIB::CEIL_F80, + RTLIB::CEIL_F128, + RTLIB::CEIL_PPCF128), + NVT, Op, false, SDLoc(N)).first; } SDValue DAGTypeLegalizer::SoftenFloatRes_FCOPYSIGN(SDNode *N) { SDValue LHS = GetSoftenedFloat(N->getOperand(0)); SDValue RHS = BitConvertToInteger(N->getOperand(1)); + SDLoc dl(N); - MVT LVT = LHS.getValueType(); - MVT RVT = RHS.getValueType(); + EVT LVT = LHS.getValueType(); + EVT RVT = RHS.getValueType(); unsigned LSize = LVT.getSizeInBits(); unsigned RSize = RVT.getSizeInBits(); // First get the sign bit of second operand. - SDValue SignBit = DAG.getNode(ISD::SHL, RVT, DAG.getConstant(1, RVT), - DAG.getConstant(RSize - 1, - TLI.getShiftAmountTy())); - SignBit = DAG.getNode(ISD::AND, RVT, RHS, SignBit); + SDValue SignBit = DAG.getNode( + ISD::SHL, dl, RVT, DAG.getConstant(1, dl, RVT), + DAG.getConstant(RSize - 1, dl, + TLI.getShiftAmountTy(RVT, DAG.getDataLayout()))); + SignBit = DAG.getNode(ISD::AND, dl, RVT, RHS, SignBit); // Shift right or sign-extend it if the two operands have different types. int SizeDiff = RVT.getSizeInBits() - LVT.getSizeInBits(); if (SizeDiff > 0) { - SignBit = DAG.getNode(ISD::SRL, RVT, SignBit, - DAG.getConstant(SizeDiff, TLI.getShiftAmountTy())); - SignBit = DAG.getNode(ISD::TRUNCATE, LVT, SignBit); + SignBit = + DAG.getNode(ISD::SRL, dl, RVT, SignBit, + DAG.getConstant(SizeDiff, dl, + TLI.getShiftAmountTy(SignBit.getValueType(), + DAG.getDataLayout()))); + SignBit = DAG.getNode(ISD::TRUNCATE, dl, LVT, SignBit); } else if (SizeDiff < 0) { - SignBit = DAG.getNode(ISD::ANY_EXTEND, LVT, SignBit); - SignBit = DAG.getNode(ISD::SHL, LVT, SignBit, - DAG.getConstant(-SizeDiff, TLI.getShiftAmountTy())); + SignBit = DAG.getNode(ISD::ANY_EXTEND, dl, LVT, SignBit); + SignBit = + DAG.getNode(ISD::SHL, dl, LVT, SignBit, + DAG.getConstant(-SizeDiff, dl, + TLI.getShiftAmountTy(SignBit.getValueType(), + DAG.getDataLayout()))); } // Clear the sign bit of the first operand. - SDValue Mask = DAG.getNode(ISD::SHL, LVT, DAG.getConstant(1, LVT), - DAG.getConstant(LSize - 1, - TLI.getShiftAmountTy())); - Mask = DAG.getNode(ISD::SUB, LVT, Mask, DAG.getConstant(1, LVT)); - LHS = DAG.getNode(ISD::AND, LVT, LHS, Mask); + SDValue Mask = DAG.getNode( + ISD::SHL, dl, LVT, DAG.getConstant(1, dl, LVT), + DAG.getConstant(LSize - 1, dl, + TLI.getShiftAmountTy(LVT, DAG.getDataLayout()))); + Mask = DAG.getNode(ISD::SUB, dl, LVT, Mask, DAG.getConstant(1, dl, LVT)); + LHS = DAG.getNode(ISD::AND, dl, LVT, LHS, Mask); // Or the value with the sign bit. - return DAG.getNode(ISD::OR, LVT, LHS, SignBit); + return DAG.getNode(ISD::OR, dl, LVT, LHS, SignBit); +} + +SDValue DAGTypeLegalizer::SoftenFloatRes_FCOS(SDNode *N) { + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), N->getValueType(0)); + SDValue Op = GetSoftenedFloat(N->getOperand(0)); + return TLI.makeLibCall(DAG, GetFPLibCall(N->getValueType(0), + RTLIB::COS_F32, + RTLIB::COS_F64, + RTLIB::COS_F80, + RTLIB::COS_F128, + RTLIB::COS_PPCF128), + NVT, Op, false, SDLoc(N)).first; } SDValue DAGTypeLegalizer::SoftenFloatRes_FDIV(SDNode *N) { - MVT NVT = TLI.getTypeToTransformTo(N->getValueType(0)); + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), N->getValueType(0)); SDValue Ops[2] = { GetSoftenedFloat(N->getOperand(0)), GetSoftenedFloat(N->getOperand(1)) }; - return MakeLibCall(GetFPLibCall(N->getValueType(0), - RTLIB::DIV_F32, - RTLIB::DIV_F64, - RTLIB::DIV_F80, - RTLIB::DIV_PPCF128), - NVT, Ops, 2, false); + return TLI.makeLibCall(DAG, GetFPLibCall(N->getValueType(0), + RTLIB::DIV_F32, + RTLIB::DIV_F64, + RTLIB::DIV_F80, + RTLIB::DIV_F128, + RTLIB::DIV_PPCF128), + NVT, Ops, false, SDLoc(N)).first; +} + +SDValue DAGTypeLegalizer::SoftenFloatRes_FEXP(SDNode *N) { + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), N->getValueType(0)); + SDValue Op = GetSoftenedFloat(N->getOperand(0)); + return TLI.makeLibCall(DAG, GetFPLibCall(N->getValueType(0), + RTLIB::EXP_F32, + RTLIB::EXP_F64, + RTLIB::EXP_F80, + RTLIB::EXP_F128, + RTLIB::EXP_PPCF128), + NVT, Op, false, SDLoc(N)).first; +} + +SDValue DAGTypeLegalizer::SoftenFloatRes_FEXP2(SDNode *N) { + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), N->getValueType(0)); + SDValue Op = GetSoftenedFloat(N->getOperand(0)); + return TLI.makeLibCall(DAG, GetFPLibCall(N->getValueType(0), + RTLIB::EXP2_F32, + RTLIB::EXP2_F64, + RTLIB::EXP2_F80, + RTLIB::EXP2_F128, + RTLIB::EXP2_PPCF128), + NVT, Op, false, SDLoc(N)).first; +} + +SDValue DAGTypeLegalizer::SoftenFloatRes_FFLOOR(SDNode *N) { + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), N->getValueType(0)); + SDValue Op = GetSoftenedFloat(N->getOperand(0)); + return TLI.makeLibCall(DAG, GetFPLibCall(N->getValueType(0), + RTLIB::FLOOR_F32, + RTLIB::FLOOR_F64, + RTLIB::FLOOR_F80, + RTLIB::FLOOR_F128, + RTLIB::FLOOR_PPCF128), + NVT, Op, false, SDLoc(N)).first; +} + +SDValue DAGTypeLegalizer::SoftenFloatRes_FLOG(SDNode *N) { + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), N->getValueType(0)); + SDValue Op = GetSoftenedFloat(N->getOperand(0)); + return TLI.makeLibCall(DAG, GetFPLibCall(N->getValueType(0), + RTLIB::LOG_F32, + RTLIB::LOG_F64, + RTLIB::LOG_F80, + RTLIB::LOG_F128, + RTLIB::LOG_PPCF128), + NVT, Op, false, SDLoc(N)).first; +} + +SDValue DAGTypeLegalizer::SoftenFloatRes_FLOG2(SDNode *N) { + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), N->getValueType(0)); + SDValue Op = GetSoftenedFloat(N->getOperand(0)); + return TLI.makeLibCall(DAG, GetFPLibCall(N->getValueType(0), + RTLIB::LOG2_F32, + RTLIB::LOG2_F64, + RTLIB::LOG2_F80, + RTLIB::LOG2_F128, + RTLIB::LOG2_PPCF128), + NVT, Op, false, SDLoc(N)).first; +} + +SDValue DAGTypeLegalizer::SoftenFloatRes_FLOG10(SDNode *N) { + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), N->getValueType(0)); + SDValue Op = GetSoftenedFloat(N->getOperand(0)); + return TLI.makeLibCall(DAG, GetFPLibCall(N->getValueType(0), + RTLIB::LOG10_F32, + RTLIB::LOG10_F64, + RTLIB::LOG10_F80, + RTLIB::LOG10_F128, + RTLIB::LOG10_PPCF128), + NVT, Op, false, SDLoc(N)).first; +} + +SDValue DAGTypeLegalizer::SoftenFloatRes_FMA(SDNode *N) { + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), N->getValueType(0)); + SDValue Ops[3] = { GetSoftenedFloat(N->getOperand(0)), + GetSoftenedFloat(N->getOperand(1)), + GetSoftenedFloat(N->getOperand(2)) }; + return TLI.makeLibCall(DAG, GetFPLibCall(N->getValueType(0), + RTLIB::FMA_F32, + RTLIB::FMA_F64, + RTLIB::FMA_F80, + RTLIB::FMA_F128, + RTLIB::FMA_PPCF128), + NVT, Ops, false, SDLoc(N)).first; } SDValue DAGTypeLegalizer::SoftenFloatRes_FMUL(SDNode *N) { - MVT NVT = TLI.getTypeToTransformTo(N->getValueType(0)); + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), N->getValueType(0)); SDValue Ops[2] = { GetSoftenedFloat(N->getOperand(0)), GetSoftenedFloat(N->getOperand(1)) }; - return MakeLibCall(GetFPLibCall(N->getValueType(0), - RTLIB::MUL_F32, - RTLIB::MUL_F64, - RTLIB::MUL_F80, - RTLIB::MUL_PPCF128), - NVT, Ops, 2, false); + return TLI.makeLibCall(DAG, GetFPLibCall(N->getValueType(0), + RTLIB::MUL_F32, + RTLIB::MUL_F64, + RTLIB::MUL_F80, + RTLIB::MUL_F128, + RTLIB::MUL_PPCF128), + NVT, Ops, false, SDLoc(N)).first; +} + +SDValue DAGTypeLegalizer::SoftenFloatRes_FNEARBYINT(SDNode *N) { + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), N->getValueType(0)); + SDValue Op = GetSoftenedFloat(N->getOperand(0)); + return TLI.makeLibCall(DAG, GetFPLibCall(N->getValueType(0), + RTLIB::NEARBYINT_F32, + RTLIB::NEARBYINT_F64, + RTLIB::NEARBYINT_F80, + RTLIB::NEARBYINT_F128, + RTLIB::NEARBYINT_PPCF128), + NVT, Op, false, SDLoc(N)).first; +} + +SDValue DAGTypeLegalizer::SoftenFloatRes_FNEG(SDNode *N) { + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), N->getValueType(0)); + SDLoc dl(N); + // Expand Y = FNEG(X) -> Y = SUB -0.0, X + SDValue Ops[2] = { DAG.getConstantFP(-0.0, dl, N->getValueType(0)), + GetSoftenedFloat(N->getOperand(0)) }; + return TLI.makeLibCall(DAG, GetFPLibCall(N->getValueType(0), + RTLIB::SUB_F32, + RTLIB::SUB_F64, + RTLIB::SUB_F80, + RTLIB::SUB_F128, + RTLIB::SUB_PPCF128), + NVT, Ops, false, dl).first; } SDValue DAGTypeLegalizer::SoftenFloatRes_FP_EXTEND(SDNode *N) { - MVT NVT = TLI.getTypeToTransformTo(N->getValueType(0)); + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), N->getValueType(0)); SDValue Op = N->getOperand(0); + + // There's only a libcall for f16 -> f32, so proceed in two stages. Also, it's + // entirely possible for both f16 and f32 to be legal, so use the fully + // hard-float FP_EXTEND rather than FP16_TO_FP. + if (Op.getValueType() == MVT::f16 && N->getValueType(0) != MVT::f32) { + Op = DAG.getNode(ISD::FP_EXTEND, SDLoc(N), MVT::f32, Op); + if (getTypeAction(MVT::f32) == TargetLowering::TypeSoftenFloat) + SoftenFloatResult(Op.getNode(), 0); + } + + if (getTypeAction(Op.getValueType()) == TargetLowering::TypePromoteFloat) { + Op = GetPromotedFloat(Op); + // If the promotion did the FP_EXTEND to the destination type for us, + // there's nothing left to do here. + if (Op.getValueType() == N->getValueType(0)) { + return BitConvertToInteger(Op); + } + } + RTLIB::Libcall LC = RTLIB::getFPEXT(Op.getValueType(), N->getValueType(0)); + if (getTypeAction(Op.getValueType()) == TargetLowering::TypeSoftenFloat) + Op = GetSoftenedFloat(Op); + assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unsupported FP_EXTEND!"); + return TLI.makeLibCall(DAG, LC, NVT, Op, false, SDLoc(N)).first; +} + +// FIXME: Should we just use 'normal' FP_EXTEND / FP_TRUNC instead of special +// nodes? +SDValue DAGTypeLegalizer::SoftenFloatRes_FP16_TO_FP(SDNode *N) { + EVT MidVT = TLI.getTypeToTransformTo(*DAG.getContext(), MVT::f32); + SDValue Op = N->getOperand(0); + SDValue Res32 = TLI.makeLibCall(DAG, RTLIB::FPEXT_F16_F32, MidVT, Op, + false, SDLoc(N)).first; + if (N->getValueType(0) == MVT::f32) + return Res32; + + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), N->getValueType(0)); + RTLIB::Libcall LC = RTLIB::getFPEXT(MVT::f32, N->getValueType(0)); assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unsupported FP_EXTEND!"); - return MakeLibCall(LC, NVT, &Op, 1, false); + return TLI.makeLibCall(DAG, LC, NVT, Res32, false, SDLoc(N)).first; } SDValue DAGTypeLegalizer::SoftenFloatRes_FP_ROUND(SDNode *N) { - MVT NVT = TLI.getTypeToTransformTo(N->getValueType(0)); + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), N->getValueType(0)); SDValue Op = N->getOperand(0); + if (N->getValueType(0) == MVT::f16) { + // Semi-soften first, to FP_TO_FP16, so that targets which support f16 as a + // storage-only type get a chance to select things. + return DAG.getNode(ISD::FP_TO_FP16, SDLoc(N), NVT, Op); + } + RTLIB::Libcall LC = RTLIB::getFPROUND(Op.getValueType(), N->getValueType(0)); assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unsupported FP_ROUND!"); - return MakeLibCall(LC, NVT, &Op, 1, false); + return TLI.makeLibCall(DAG, LC, NVT, Op, false, SDLoc(N)).first; } SDValue DAGTypeLegalizer::SoftenFloatRes_FPOW(SDNode *N) { - MVT NVT = TLI.getTypeToTransformTo(N->getValueType(0)); + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), N->getValueType(0)); SDValue Ops[2] = { GetSoftenedFloat(N->getOperand(0)), GetSoftenedFloat(N->getOperand(1)) }; - return MakeLibCall(GetFPLibCall(N->getValueType(0), - RTLIB::POW_F32, - RTLIB::POW_F64, - RTLIB::POW_F80, - RTLIB::POW_PPCF128), - NVT, Ops, 2, false); + return TLI.makeLibCall(DAG, GetFPLibCall(N->getValueType(0), + RTLIB::POW_F32, + RTLIB::POW_F64, + RTLIB::POW_F80, + RTLIB::POW_F128, + RTLIB::POW_PPCF128), + NVT, Ops, false, SDLoc(N)).first; } SDValue DAGTypeLegalizer::SoftenFloatRes_FPOWI(SDNode *N) { - MVT NVT = TLI.getTypeToTransformTo(N->getValueType(0)); + assert(N->getOperand(1).getValueType() == MVT::i32 && + "Unsupported power type!"); + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), N->getValueType(0)); SDValue Ops[2] = { GetSoftenedFloat(N->getOperand(0)), N->getOperand(1) }; - return MakeLibCall(GetFPLibCall(N->getValueType(0), - RTLIB::POWI_F32, - RTLIB::POWI_F64, - RTLIB::POWI_F80, - RTLIB::POWI_PPCF128), - NVT, Ops, 2, false); + return TLI.makeLibCall(DAG, GetFPLibCall(N->getValueType(0), + RTLIB::POWI_F32, + RTLIB::POWI_F64, + RTLIB::POWI_F80, + RTLIB::POWI_F128, + RTLIB::POWI_PPCF128), + NVT, Ops, false, SDLoc(N)).first; +} + +SDValue DAGTypeLegalizer::SoftenFloatRes_FREM(SDNode *N) { + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), N->getValueType(0)); + SDValue Ops[2] = { GetSoftenedFloat(N->getOperand(0)), + GetSoftenedFloat(N->getOperand(1)) }; + return TLI.makeLibCall(DAG, GetFPLibCall(N->getValueType(0), + RTLIB::REM_F32, + RTLIB::REM_F64, + RTLIB::REM_F80, + RTLIB::REM_F128, + RTLIB::REM_PPCF128), + NVT, Ops, false, SDLoc(N)).first; +} + +SDValue DAGTypeLegalizer::SoftenFloatRes_FRINT(SDNode *N) { + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), N->getValueType(0)); + SDValue Op = GetSoftenedFloat(N->getOperand(0)); + return TLI.makeLibCall(DAG, GetFPLibCall(N->getValueType(0), + RTLIB::RINT_F32, + RTLIB::RINT_F64, + RTLIB::RINT_F80, + RTLIB::RINT_F128, + RTLIB::RINT_PPCF128), + NVT, Op, false, SDLoc(N)).first; +} + +SDValue DAGTypeLegalizer::SoftenFloatRes_FROUND(SDNode *N) { + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), N->getValueType(0)); + SDValue Op = GetSoftenedFloat(N->getOperand(0)); + return TLI.makeLibCall(DAG, GetFPLibCall(N->getValueType(0), + RTLIB::ROUND_F32, + RTLIB::ROUND_F64, + RTLIB::ROUND_F80, + RTLIB::ROUND_F128, + RTLIB::ROUND_PPCF128), + NVT, Op, false, SDLoc(N)).first; +} + +SDValue DAGTypeLegalizer::SoftenFloatRes_FSIN(SDNode *N) { + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), N->getValueType(0)); + SDValue Op = GetSoftenedFloat(N->getOperand(0)); + return TLI.makeLibCall(DAG, GetFPLibCall(N->getValueType(0), + RTLIB::SIN_F32, + RTLIB::SIN_F64, + RTLIB::SIN_F80, + RTLIB::SIN_F128, + RTLIB::SIN_PPCF128), + NVT, Op, false, SDLoc(N)).first; +} + +SDValue DAGTypeLegalizer::SoftenFloatRes_FSQRT(SDNode *N) { + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), N->getValueType(0)); + SDValue Op = GetSoftenedFloat(N->getOperand(0)); + return TLI.makeLibCall(DAG, GetFPLibCall(N->getValueType(0), + RTLIB::SQRT_F32, + RTLIB::SQRT_F64, + RTLIB::SQRT_F80, + RTLIB::SQRT_F128, + RTLIB::SQRT_PPCF128), + NVT, Op, false, SDLoc(N)).first; } SDValue DAGTypeLegalizer::SoftenFloatRes_FSUB(SDNode *N) { - MVT NVT = TLI.getTypeToTransformTo(N->getValueType(0)); + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), N->getValueType(0)); SDValue Ops[2] = { GetSoftenedFloat(N->getOperand(0)), GetSoftenedFloat(N->getOperand(1)) }; - return MakeLibCall(GetFPLibCall(N->getValueType(0), - RTLIB::SUB_F32, - RTLIB::SUB_F64, - RTLIB::SUB_F80, - RTLIB::SUB_PPCF128), - NVT, Ops, 2, false); + return TLI.makeLibCall(DAG, GetFPLibCall(N->getValueType(0), + RTLIB::SUB_F32, + RTLIB::SUB_F64, + RTLIB::SUB_F80, + RTLIB::SUB_F128, + RTLIB::SUB_PPCF128), + NVT, Ops, false, SDLoc(N)).first; +} + +SDValue DAGTypeLegalizer::SoftenFloatRes_FTRUNC(SDNode *N) { + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), N->getValueType(0)); + if (N->getValueType(0) == MVT::f16) + return DAG.getNode(ISD::FP_TO_FP16, SDLoc(N), NVT, N->getOperand(0)); + + SDValue Op = GetSoftenedFloat(N->getOperand(0)); + return TLI.makeLibCall(DAG, GetFPLibCall(N->getValueType(0), + RTLIB::TRUNC_F32, + RTLIB::TRUNC_F64, + RTLIB::TRUNC_F80, + RTLIB::TRUNC_F128, + RTLIB::TRUNC_PPCF128), + NVT, Op, false, SDLoc(N)).first; } SDValue DAGTypeLegalizer::SoftenFloatRes_LOAD(SDNode *N) { LoadSDNode *L = cast(N); - MVT VT = N->getValueType(0); - MVT NVT = TLI.getTypeToTransformTo(VT); + EVT VT = N->getValueType(0); + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), VT); + SDLoc dl(N); SDValue NewL; if (L->getExtensionType() == ISD::NON_EXTLOAD) { NewL = DAG.getLoad(L->getAddressingMode(), L->getExtensionType(), - NVT, L->getChain(), L->getBasePtr(), L->getOffset(), - L->getSrcValue(), L->getSrcValueOffset(), NVT, - L->isVolatile(), L->getAlignment()); + NVT, dl, L->getChain(), L->getBasePtr(), L->getOffset(), + L->getPointerInfo(), NVT, L->isVolatile(), + L->isNonTemporal(), false, L->getAlignment(), + L->getAAInfo()); // Legalized the chain result - switch anything that used the old chain to // use the new one. ReplaceValueWith(SDValue(N, 1), NewL.getValue(1)); @@ -254,44 +601,80 @@ SDValue DAGTypeLegalizer::SoftenFloatRes_LOAD(SDNode *N) { // Do a non-extending load followed by FP_EXTEND. NewL = DAG.getLoad(L->getAddressingMode(), ISD::NON_EXTLOAD, - L->getMemoryVT(), L->getChain(), - L->getBasePtr(), L->getOffset(), - L->getSrcValue(), L->getSrcValueOffset(), - L->getMemoryVT(), - L->isVolatile(), L->getAlignment()); + L->getMemoryVT(), dl, L->getChain(), + L->getBasePtr(), L->getOffset(), L->getPointerInfo(), + L->getMemoryVT(), L->isVolatile(), + L->isNonTemporal(), false, L->getAlignment(), + L->getAAInfo()); // Legalized the chain result - switch anything that used the old chain to // use the new one. ReplaceValueWith(SDValue(N, 1), NewL.getValue(1)); - return BitConvertToInteger(DAG.getNode(ISD::FP_EXTEND, VT, NewL)); + return BitConvertToInteger(DAG.getNode(ISD::FP_EXTEND, dl, VT, NewL)); } SDValue DAGTypeLegalizer::SoftenFloatRes_SELECT(SDNode *N) { SDValue LHS = GetSoftenedFloat(N->getOperand(1)); SDValue RHS = GetSoftenedFloat(N->getOperand(2)); - return DAG.getNode(ISD::SELECT, LHS.getValueType(), N->getOperand(0),LHS,RHS); + return DAG.getSelect(SDLoc(N), + LHS.getValueType(), N->getOperand(0), LHS, RHS); } SDValue DAGTypeLegalizer::SoftenFloatRes_SELECT_CC(SDNode *N) { SDValue LHS = GetSoftenedFloat(N->getOperand(2)); SDValue RHS = GetSoftenedFloat(N->getOperand(3)); - return DAG.getNode(ISD::SELECT_CC, LHS.getValueType(), N->getOperand(0), + return DAG.getNode(ISD::SELECT_CC, SDLoc(N), + LHS.getValueType(), N->getOperand(0), N->getOperand(1), LHS, RHS, N->getOperand(4)); } -SDValue DAGTypeLegalizer::SoftenFloatRes_SINT_TO_FP(SDNode *N) { - SDValue Op = N->getOperand(0); - MVT RVT = N->getValueType(0); - RTLIB::Libcall LC = RTLIB::getSINTTOFP(Op.getValueType(), RVT); - assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unsupported SINT_TO_FP!"); - return MakeLibCall(LC, TLI.getTypeToTransformTo(RVT), &Op, 1, false); +SDValue DAGTypeLegalizer::SoftenFloatRes_UNDEF(SDNode *N) { + return DAG.getUNDEF(TLI.getTypeToTransformTo(*DAG.getContext(), + N->getValueType(0))); } -SDValue DAGTypeLegalizer::SoftenFloatRes_UINT_TO_FP(SDNode *N) { - SDValue Op = N->getOperand(0); - MVT RVT = N->getValueType(0); - RTLIB::Libcall LC = RTLIB::getUINTTOFP(Op.getValueType(), RVT); - assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unsupported UINT_TO_FP!"); - return MakeLibCall(LC, TLI.getTypeToTransformTo(RVT), &Op, 1, false); +SDValue DAGTypeLegalizer::SoftenFloatRes_VAARG(SDNode *N) { + SDValue Chain = N->getOperand(0); // Get the chain. + SDValue Ptr = N->getOperand(1); // Get the pointer. + EVT VT = N->getValueType(0); + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), VT); + SDLoc dl(N); + + SDValue NewVAARG; + NewVAARG = DAG.getVAArg(NVT, dl, Chain, Ptr, N->getOperand(2), + N->getConstantOperandVal(3)); + + // Legalized the chain result - switch anything that used the old chain to + // use the new one. + ReplaceValueWith(SDValue(N, 1), NewVAARG.getValue(1)); + return NewVAARG; +} + +SDValue DAGTypeLegalizer::SoftenFloatRes_XINT_TO_FP(SDNode *N) { + bool Signed = N->getOpcode() == ISD::SINT_TO_FP; + EVT SVT = N->getOperand(0).getValueType(); + EVT RVT = N->getValueType(0); + EVT NVT = EVT(); + SDLoc dl(N); + + // If the input is not legal, eg: i1 -> fp, then it needs to be promoted to + // a larger type, eg: i8 -> fp. Even if it is legal, no libcall may exactly + // match. Look for an appropriate libcall. + RTLIB::Libcall LC = RTLIB::UNKNOWN_LIBCALL; + for (unsigned t = MVT::FIRST_INTEGER_VALUETYPE; + t <= MVT::LAST_INTEGER_VALUETYPE && LC == RTLIB::UNKNOWN_LIBCALL; ++t) { + NVT = (MVT::SimpleValueType)t; + // The source needs to big enough to hold the operand. + if (NVT.bitsGE(SVT)) + LC = Signed ? RTLIB::getSINTTOFP(NVT, RVT):RTLIB::getUINTTOFP (NVT, RVT); + } + assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unsupported XINT_TO_FP!"); + + // Sign/zero extend the argument if the libcall takes a larger type. + SDValue Op = DAG.getNode(Signed ? ISD::SIGN_EXTEND : ISD::ZERO_EXTEND, dl, + NVT, N->getOperand(0)); + return TLI.makeLibCall(DAG, LC, + TLI.getTypeToTransformTo(*DAG.getContext(), RVT), + Op, Signed, dl).first; } @@ -300,21 +683,22 @@ SDValue DAGTypeLegalizer::SoftenFloatRes_UINT_TO_FP(SDNode *N) { //===----------------------------------------------------------------------===// bool DAGTypeLegalizer::SoftenFloatOperand(SDNode *N, unsigned OpNo) { - DEBUG(cerr << "Soften float operand " << OpNo << ": "; N->dump(&DAG); - cerr << "\n"); + DEBUG(dbgs() << "Soften float operand " << OpNo << ": "; N->dump(&DAG); + dbgs() << "\n"); SDValue Res = SDValue(); switch (N->getOpcode()) { default: #ifndef NDEBUG - cerr << "SoftenFloatOperand Op #" << OpNo << ": "; - N->dump(&DAG); cerr << "\n"; + dbgs() << "SoftenFloatOperand Op #" << OpNo << ": "; + N->dump(&DAG); dbgs() << "\n"; #endif - assert(0 && "Do not know how to soften this operator's operand!"); - abort(); + llvm_unreachable("Do not know how to soften this operator's operand!"); - case ISD::BIT_CONVERT: Res = SoftenFloatOp_BIT_CONVERT(N); break; + case ISD::BITCAST: Res = SoftenFloatOp_BITCAST(N); break; case ISD::BR_CC: Res = SoftenFloatOp_BR_CC(N); break; + case ISD::FP_EXTEND: Res = SoftenFloatOp_FP_EXTEND(N); break; + case ISD::FP_TO_FP16: // Same as FP_ROUND for softening purposes case ISD::FP_ROUND: Res = SoftenFloatOp_FP_ROUND(N); break; case ISD::FP_TO_SINT: Res = SoftenFloatOp_FP_TO_SINT(N); break; case ISD::FP_TO_UINT: Res = SoftenFloatOp_FP_TO_UINT(N); break; @@ -326,15 +710,10 @@ bool DAGTypeLegalizer::SoftenFloatOperand(SDNode *N, unsigned OpNo) { // If the result is null, the sub-method took care of registering results etc. if (!Res.getNode()) return false; - // If the result is N, the sub-method updated N in place. Check to see if any - // operands are new, and if so, mark them. - if (Res.getNode() == N) { - // Mark N as new and remark N and its operands. This allows us to correctly - // revisit N if it needs another step of promotion and allows us to visit - // any new operands to N. - ReanalyzeNode(N); + // If the result is N, the sub-method updated N in place. Tell the legalizer + // core about this. + if (Res.getNode() == N) return true; - } assert(Res.getValueType() == N->getValueType(0) && N->getNumValues() == 1 && "Invalid operand expansion"); @@ -343,174 +722,125 @@ bool DAGTypeLegalizer::SoftenFloatOperand(SDNode *N, unsigned OpNo) { return false; } -/// SoftenSetCCOperands - Soften the operands of a comparison. This code is -/// shared among BR_CC, SELECT_CC, and SETCC handlers. -void DAGTypeLegalizer::SoftenSetCCOperands(SDValue &NewLHS, SDValue &NewRHS, - ISD::CondCode &CCCode) { - SDValue LHSInt = GetSoftenedFloat(NewLHS); - SDValue RHSInt = GetSoftenedFloat(NewRHS); - MVT VT = NewLHS.getValueType(); +SDValue DAGTypeLegalizer::SoftenFloatOp_BITCAST(SDNode *N) { + return DAG.getNode(ISD::BITCAST, SDLoc(N), N->getValueType(0), + GetSoftenedFloat(N->getOperand(0))); +} - assert((VT == MVT::f32 || VT == MVT::f64) && "Unsupported setcc type!"); +SDValue DAGTypeLegalizer::SoftenFloatOp_FP_EXTEND(SDNode *N) { + // If we get here, the result must be legal but the source illegal. + EVT SVT = N->getOperand(0).getValueType(); + EVT RVT = N->getValueType(0); + SDValue Op = GetSoftenedFloat(N->getOperand(0)); - // Expand into one or more soft-fp libcall(s). - RTLIB::Libcall LC1 = RTLIB::UNKNOWN_LIBCALL, LC2 = RTLIB::UNKNOWN_LIBCALL; - switch (CCCode) { - case ISD::SETEQ: - case ISD::SETOEQ: - LC1 = (VT == MVT::f32) ? RTLIB::OEQ_F32 : RTLIB::OEQ_F64; - break; - case ISD::SETNE: - case ISD::SETUNE: - LC1 = (VT == MVT::f32) ? RTLIB::UNE_F32 : RTLIB::UNE_F64; - break; - case ISD::SETGE: - case ISD::SETOGE: - LC1 = (VT == MVT::f32) ? RTLIB::OGE_F32 : RTLIB::OGE_F64; - break; - case ISD::SETLT: - case ISD::SETOLT: - LC1 = (VT == MVT::f32) ? RTLIB::OLT_F32 : RTLIB::OLT_F64; - break; - case ISD::SETLE: - case ISD::SETOLE: - LC1 = (VT == MVT::f32) ? RTLIB::OLE_F32 : RTLIB::OLE_F64; - break; - case ISD::SETGT: - case ISD::SETOGT: - LC1 = (VT == MVT::f32) ? RTLIB::OGT_F32 : RTLIB::OGT_F64; - break; - case ISD::SETUO: - LC1 = (VT == MVT::f32) ? RTLIB::UO_F32 : RTLIB::UO_F64; - break; - case ISD::SETO: - LC1 = (VT == MVT::f32) ? RTLIB::O_F32 : RTLIB::O_F64; - break; - default: - LC1 = (VT == MVT::f32) ? RTLIB::UO_F32 : RTLIB::UO_F64; - switch (CCCode) { - case ISD::SETONE: - // SETONE = SETOLT | SETOGT - LC1 = (VT == MVT::f32) ? RTLIB::OLT_F32 : RTLIB::OLT_F64; - // Fallthrough - case ISD::SETUGT: - LC2 = (VT == MVT::f32) ? RTLIB::OGT_F32 : RTLIB::OGT_F64; - break; - case ISD::SETUGE: - LC2 = (VT == MVT::f32) ? RTLIB::OGE_F32 : RTLIB::OGE_F64; - break; - case ISD::SETULT: - LC2 = (VT == MVT::f32) ? RTLIB::OLT_F32 : RTLIB::OLT_F64; - break; - case ISD::SETULE: - LC2 = (VT == MVT::f32) ? RTLIB::OLE_F32 : RTLIB::OLE_F64; - break; - case ISD::SETUEQ: - LC2 = (VT == MVT::f32) ? RTLIB::OEQ_F32 : RTLIB::OEQ_F64; - break; - default: assert(false && "Do not know how to soften this setcc!"); - } - } + if (SVT == MVT::f16) + return DAG.getNode(ISD::FP16_TO_FP, SDLoc(N), RVT, Op); - MVT RetVT = MVT::i32; // FIXME: is this the correct return type? - SDValue Ops[2] = { LHSInt, RHSInt }; - NewLHS = MakeLibCall(LC1, RetVT, Ops, 2, false/*sign irrelevant*/); - NewRHS = DAG.getConstant(0, RetVT); - CCCode = TLI.getCmpLibcallCC(LC1); - if (LC2 != RTLIB::UNKNOWN_LIBCALL) { - SDValue Tmp = DAG.getNode(ISD::SETCC, TLI.getSetCCResultType(NewLHS), - NewLHS, NewRHS, DAG.getCondCode(CCCode)); - NewLHS = MakeLibCall(LC2, RetVT, Ops, 2, false/*sign irrelevant*/); - NewLHS = DAG.getNode(ISD::SETCC, TLI.getSetCCResultType(NewLHS), NewLHS, - NewRHS, DAG.getCondCode(TLI.getCmpLibcallCC(LC2))); - NewLHS = DAG.getNode(ISD::OR, Tmp.getValueType(), Tmp, NewLHS); - NewRHS = SDValue(); - } -} + RTLIB::Libcall LC = RTLIB::getFPEXT(SVT, RVT); + assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unsupported FP_EXTEND libcall"); -SDValue DAGTypeLegalizer::SoftenFloatOp_BIT_CONVERT(SDNode *N) { - return DAG.getNode(ISD::BIT_CONVERT, N->getValueType(0), - GetSoftenedFloat(N->getOperand(0))); + return TLI.makeLibCall(DAG, LC, RVT, Op, false, SDLoc(N)).first; } + SDValue DAGTypeLegalizer::SoftenFloatOp_FP_ROUND(SDNode *N) { - MVT SVT = N->getOperand(0).getValueType(); - MVT RVT = N->getValueType(0); + // We actually deal with the partially-softened FP_TO_FP16 node too, which + // returns an i16 so doesn't meet the constraints necessary for FP_ROUND. + assert(N->getOpcode() == ISD::FP_ROUND || N->getOpcode() == ISD::FP_TO_FP16); - RTLIB::Libcall LC = RTLIB::getFPROUND(SVT, RVT); + EVT SVT = N->getOperand(0).getValueType(); + EVT RVT = N->getValueType(0); + EVT FloatRVT = N->getOpcode() == ISD::FP_TO_FP16 ? MVT::f16 : RVT; + + RTLIB::Libcall LC = RTLIB::getFPROUND(SVT, FloatRVT); assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unsupported FP_ROUND libcall"); SDValue Op = GetSoftenedFloat(N->getOperand(0)); - return MakeLibCall(LC, RVT, &Op, 1, false); + return TLI.makeLibCall(DAG, LC, RVT, Op, false, SDLoc(N)).first; } SDValue DAGTypeLegalizer::SoftenFloatOp_BR_CC(SDNode *N) { SDValue NewLHS = N->getOperand(2), NewRHS = N->getOperand(3); ISD::CondCode CCCode = cast(N->getOperand(1))->get(); - SoftenSetCCOperands(NewLHS, NewRHS, CCCode); - // If SoftenSetCCOperands returned a scalar, we need to compare the result + EVT VT = NewLHS.getValueType(); + NewLHS = GetSoftenedFloat(NewLHS); + NewRHS = GetSoftenedFloat(NewRHS); + TLI.softenSetCCOperands(DAG, VT, NewLHS, NewRHS, CCCode, SDLoc(N)); + + // If softenSetCCOperands returned a scalar, we need to compare the result // against zero to select between true and false values. - if (NewRHS.getNode() == 0) { - NewRHS = DAG.getConstant(0, NewLHS.getValueType()); + if (!NewRHS.getNode()) { + NewRHS = DAG.getConstant(0, SDLoc(N), NewLHS.getValueType()); CCCode = ISD::SETNE; } // Update N to have the operands specified. - return DAG.UpdateNodeOperands(SDValue(N, 0), N->getOperand(0), + return SDValue(DAG.UpdateNodeOperands(N, N->getOperand(0), DAG.getCondCode(CCCode), NewLHS, NewRHS, - N->getOperand(4)); + N->getOperand(4)), + 0); } SDValue DAGTypeLegalizer::SoftenFloatOp_FP_TO_SINT(SDNode *N) { - MVT RVT = N->getValueType(0); + EVT RVT = N->getValueType(0); RTLIB::Libcall LC = RTLIB::getFPTOSINT(N->getOperand(0).getValueType(), RVT); assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unsupported FP_TO_SINT!"); SDValue Op = GetSoftenedFloat(N->getOperand(0)); - return MakeLibCall(LC, RVT, &Op, 1, false); + return TLI.makeLibCall(DAG, LC, RVT, Op, false, SDLoc(N)).first; } SDValue DAGTypeLegalizer::SoftenFloatOp_FP_TO_UINT(SDNode *N) { - MVT RVT = N->getValueType(0); + EVT RVT = N->getValueType(0); RTLIB::Libcall LC = RTLIB::getFPTOUINT(N->getOperand(0).getValueType(), RVT); assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unsupported FP_TO_UINT!"); SDValue Op = GetSoftenedFloat(N->getOperand(0)); - return MakeLibCall(LC, RVT, &Op, 1, false); + return TLI.makeLibCall(DAG, LC, RVT, Op, false, SDLoc(N)).first; } SDValue DAGTypeLegalizer::SoftenFloatOp_SELECT_CC(SDNode *N) { SDValue NewLHS = N->getOperand(0), NewRHS = N->getOperand(1); ISD::CondCode CCCode = cast(N->getOperand(4))->get(); - SoftenSetCCOperands(NewLHS, NewRHS, CCCode); - // If SoftenSetCCOperands returned a scalar, we need to compare the result + EVT VT = NewLHS.getValueType(); + NewLHS = GetSoftenedFloat(NewLHS); + NewRHS = GetSoftenedFloat(NewRHS); + TLI.softenSetCCOperands(DAG, VT, NewLHS, NewRHS, CCCode, SDLoc(N)); + + // If softenSetCCOperands returned a scalar, we need to compare the result // against zero to select between true and false values. - if (NewRHS.getNode() == 0) { - NewRHS = DAG.getConstant(0, NewLHS.getValueType()); + if (!NewRHS.getNode()) { + NewRHS = DAG.getConstant(0, SDLoc(N), NewLHS.getValueType()); CCCode = ISD::SETNE; } // Update N to have the operands specified. - return DAG.UpdateNodeOperands(SDValue(N, 0), NewLHS, NewRHS, + return SDValue(DAG.UpdateNodeOperands(N, NewLHS, NewRHS, N->getOperand(2), N->getOperand(3), - DAG.getCondCode(CCCode)); + DAG.getCondCode(CCCode)), + 0); } SDValue DAGTypeLegalizer::SoftenFloatOp_SETCC(SDNode *N) { SDValue NewLHS = N->getOperand(0), NewRHS = N->getOperand(1); ISD::CondCode CCCode = cast(N->getOperand(2))->get(); - SoftenSetCCOperands(NewLHS, NewRHS, CCCode); - // If SoftenSetCCOperands returned a scalar, use it. - if (NewRHS.getNode() == 0) { + EVT VT = NewLHS.getValueType(); + NewLHS = GetSoftenedFloat(NewLHS); + NewRHS = GetSoftenedFloat(NewRHS); + TLI.softenSetCCOperands(DAG, VT, NewLHS, NewRHS, CCCode, SDLoc(N)); + + // If softenSetCCOperands returned a scalar, use it. + if (!NewRHS.getNode()) { assert(NewLHS.getValueType() == N->getValueType(0) && "Unexpected setcc expansion!"); return NewLHS; } // Otherwise, update N to have the operands specified. - return DAG.UpdateNodeOperands(SDValue(N, 0), NewLHS, NewRHS, - DAG.getCondCode(CCCode)); + return SDValue(DAG.UpdateNodeOperands(N, NewLHS, NewRHS, + DAG.getCondCode(CCCode)), + 0); } SDValue DAGTypeLegalizer::SoftenFloatOp_STORE(SDNode *N, unsigned OpNo) { @@ -518,17 +848,17 @@ SDValue DAGTypeLegalizer::SoftenFloatOp_STORE(SDNode *N, unsigned OpNo) { assert(OpNo == 1 && "Can only soften the stored value!"); StoreSDNode *ST = cast(N); SDValue Val = ST->getValue(); + SDLoc dl(N); if (ST->isTruncatingStore()) // Do an FP_ROUND followed by a non-truncating store. - Val = BitConvertToInteger(DAG.getNode(ISD::FP_ROUND, ST->getMemoryVT(), - Val, DAG.getIntPtrConstant(0))); + Val = BitConvertToInteger(DAG.getNode(ISD::FP_ROUND, dl, ST->getMemoryVT(), + Val, DAG.getIntPtrConstant(0, dl))); else Val = GetSoftenedFloat(Val); - return DAG.getStore(ST->getChain(), Val, ST->getBasePtr(), - ST->getSrcValue(), ST->getSrcValueOffset(), - ST->isVolatile(), ST->getAlignment()); + return DAG.getStore(ST->getChain(), dl, Val, ST->getBasePtr(), + ST->getMemOperand()); } @@ -541,37 +871,28 @@ SDValue DAGTypeLegalizer::SoftenFloatOp_STORE(SDNode *N, unsigned OpNo) { /// have invalid operands or may have other results that need promotion, we just /// know that (at least) one result needs expansion. void DAGTypeLegalizer::ExpandFloatResult(SDNode *N, unsigned ResNo) { - DEBUG(cerr << "Expand float result: "; N->dump(&DAG); cerr << "\n"); + DEBUG(dbgs() << "Expand float result: "; N->dump(&DAG); dbgs() << "\n"); SDValue Lo, Hi; Lo = Hi = SDValue(); // See if the target wants to custom expand this node. - if (TLI.getOperationAction(N->getOpcode(), N->getValueType(ResNo)) == - TargetLowering::Custom) { - // If the target wants to, allow it to lower this itself. - if (SDNode *P = TLI.ReplaceNodeResults(N, DAG)) { - // Everything that once used N now uses P. We are guaranteed that the - // result value types of N and the result value types of P match. - ReplaceNodeWith(N, P); - return; - } - } + if (CustomLowerNode(N, N->getValueType(ResNo), true)) + return; switch (N->getOpcode()) { default: #ifndef NDEBUG - cerr << "ExpandFloatResult #" << ResNo << ": "; - N->dump(&DAG); cerr << "\n"; + dbgs() << "ExpandFloatResult #" << ResNo << ": "; + N->dump(&DAG); dbgs() << "\n"; #endif - assert(0 && "Do not know how to expand the result of this operator!"); - abort(); + llvm_unreachable("Do not know how to expand the result of this operator!"); - case ISD::MERGE_VALUES: SplitRes_MERGE_VALUES(N, Lo, Hi); break; case ISD::UNDEF: SplitRes_UNDEF(N, Lo, Hi); break; case ISD::SELECT: SplitRes_SELECT(N, Lo, Hi); break; case ISD::SELECT_CC: SplitRes_SELECT_CC(N, Lo, Hi); break; - case ISD::BIT_CONVERT: ExpandRes_BIT_CONVERT(N, Lo, Hi); break; + case ISD::MERGE_VALUES: ExpandRes_MERGE_VALUES(N, ResNo, Lo, Hi); break; + case ISD::BITCAST: ExpandRes_BITCAST(N, Lo, Hi); break; case ISD::BUILD_PAIR: ExpandRes_BUILD_PAIR(N, Lo, Hi); break; case ISD::EXTRACT_ELEMENT: ExpandRes_EXTRACT_ELEMENT(N, Lo, Hi); break; case ISD::EXTRACT_VECTOR_ELT: ExpandRes_EXTRACT_VECTOR_ELT(N, Lo, Hi); break; @@ -579,8 +900,11 @@ void DAGTypeLegalizer::ExpandFloatResult(SDNode *N, unsigned ResNo) { case ISD::ConstantFP: ExpandFloatRes_ConstantFP(N, Lo, Hi); break; case ISD::FABS: ExpandFloatRes_FABS(N, Lo, Hi); break; + case ISD::FMINNUM: ExpandFloatRes_FMINNUM(N, Lo, Hi); break; + case ISD::FMAXNUM: ExpandFloatRes_FMAXNUM(N, Lo, Hi); break; case ISD::FADD: ExpandFloatRes_FADD(N, Lo, Hi); break; case ISD::FCEIL: ExpandFloatRes_FCEIL(N, Lo, Hi); break; + case ISD::FCOPYSIGN: ExpandFloatRes_FCOPYSIGN(N, Lo, Hi); break; case ISD::FCOS: ExpandFloatRes_FCOS(N, Lo, Hi); break; case ISD::FDIV: ExpandFloatRes_FDIV(N, Lo, Hi); break; case ISD::FEXP: ExpandFloatRes_FEXP(N, Lo, Hi); break; @@ -589,6 +913,7 @@ void DAGTypeLegalizer::ExpandFloatResult(SDNode *N, unsigned ResNo) { case ISD::FLOG: ExpandFloatRes_FLOG(N, Lo, Hi); break; case ISD::FLOG2: ExpandFloatRes_FLOG2(N, Lo, Hi); break; case ISD::FLOG10: ExpandFloatRes_FLOG10(N, Lo, Hi); break; + case ISD::FMA: ExpandFloatRes_FMA(N, Lo, Hi); break; case ISD::FMUL: ExpandFloatRes_FMUL(N, Lo, Hi); break; case ISD::FNEARBYINT: ExpandFloatRes_FNEARBYINT(N, Lo, Hi); break; case ISD::FNEG: ExpandFloatRes_FNEG(N, Lo, Hi); break; @@ -596,13 +921,15 @@ void DAGTypeLegalizer::ExpandFloatResult(SDNode *N, unsigned ResNo) { case ISD::FPOW: ExpandFloatRes_FPOW(N, Lo, Hi); break; case ISD::FPOWI: ExpandFloatRes_FPOWI(N, Lo, Hi); break; case ISD::FRINT: ExpandFloatRes_FRINT(N, Lo, Hi); break; - case ISD::FSIN: ExpandFloatRes_FABS(N, Lo, Hi); break; + case ISD::FROUND: ExpandFloatRes_FROUND(N, Lo, Hi); break; + case ISD::FSIN: ExpandFloatRes_FSIN(N, Lo, Hi); break; case ISD::FSQRT: ExpandFloatRes_FSQRT(N, Lo, Hi); break; case ISD::FSUB: ExpandFloatRes_FSUB(N, Lo, Hi); break; case ISD::FTRUNC: ExpandFloatRes_FTRUNC(N, Lo, Hi); break; case ISD::LOAD: ExpandFloatRes_LOAD(N, Lo, Hi); break; case ISD::SINT_TO_FP: case ISD::UINT_TO_FP: ExpandFloatRes_XINT_TO_FP(N, Lo, Hi); break; + case ISD::FREM: ExpandFloatRes_FREM(N, Lo, Hi); break; } // If Lo/Hi is null, the sub-method took care of registering results etc. @@ -612,154 +939,195 @@ void DAGTypeLegalizer::ExpandFloatResult(SDNode *N, unsigned ResNo) { void DAGTypeLegalizer::ExpandFloatRes_ConstantFP(SDNode *N, SDValue &Lo, SDValue &Hi) { - MVT NVT = TLI.getTypeToTransformTo(N->getValueType(0)); + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), N->getValueType(0)); assert(NVT.getSizeInBits() == integerPartWidth && "Do not know how to expand this float constant!"); APInt C = cast(N)->getValueAPF().bitcastToAPInt(); - Lo = DAG.getConstantFP(APFloat(APInt(integerPartWidth, 1, - &C.getRawData()[1])), NVT); - Hi = DAG.getConstantFP(APFloat(APInt(integerPartWidth, 1, - &C.getRawData()[0])), NVT); + SDLoc dl(N); + Lo = DAG.getConstantFP(APFloat(DAG.EVTToAPFloatSemantics(NVT), + APInt(integerPartWidth, C.getRawData()[1])), + dl, NVT); + Hi = DAG.getConstantFP(APFloat(DAG.EVTToAPFloatSemantics(NVT), + APInt(integerPartWidth, C.getRawData()[0])), + dl, NVT); } void DAGTypeLegalizer::ExpandFloatRes_FABS(SDNode *N, SDValue &Lo, SDValue &Hi) { assert(N->getValueType(0) == MVT::ppcf128 && "Logic only correct for ppcf128!"); + SDLoc dl(N); SDValue Tmp; GetExpandedFloat(N->getOperand(0), Lo, Tmp); - Hi = DAG.getNode(ISD::FABS, Tmp.getValueType(), Tmp); + Hi = DAG.getNode(ISD::FABS, dl, Tmp.getValueType(), Tmp); // Lo = Hi==fabs(Hi) ? Lo : -Lo; - Lo = DAG.getNode(ISD::SELECT_CC, Lo.getValueType(), Tmp, Hi, Lo, - DAG.getNode(ISD::FNEG, Lo.getValueType(), Lo), - DAG.getCondCode(ISD::SETEQ)); + Lo = DAG.getSelectCC(dl, Tmp, Hi, Lo, + DAG.getNode(ISD::FNEG, dl, Lo.getValueType(), Lo), + ISD::SETEQ); +} + +void DAGTypeLegalizer::ExpandFloatRes_FMINNUM(SDNode *N, SDValue &Lo, + SDValue &Hi) { + SDValue Call = LibCallify(GetFPLibCall(N->getValueType(0), + RTLIB::FMIN_F32, RTLIB::FMIN_F64, + RTLIB::FMIN_F80, RTLIB::FMIN_F128, + RTLIB::FMIN_PPCF128), + N, false); + GetPairElements(Call, Lo, Hi); +} + +void DAGTypeLegalizer::ExpandFloatRes_FMAXNUM(SDNode *N, SDValue &Lo, + SDValue &Hi) { + SDValue Call = LibCallify(GetFPLibCall(N->getValueType(0), + RTLIB::FMAX_F32, RTLIB::FMAX_F64, + RTLIB::FMAX_F80, RTLIB::FMAX_F128, + RTLIB::FMAX_PPCF128), + N, false); + GetPairElements(Call, Lo, Hi); } void DAGTypeLegalizer::ExpandFloatRes_FADD(SDNode *N, SDValue &Lo, SDValue &Hi) { SDValue Call = LibCallify(GetFPLibCall(N->getValueType(0), RTLIB::ADD_F32, RTLIB::ADD_F64, - RTLIB::ADD_F80, RTLIB::ADD_PPCF128), + RTLIB::ADD_F80, RTLIB::ADD_F128, + RTLIB::ADD_PPCF128), N, false); - assert(Call.getNode()->getOpcode() == ISD::BUILD_PAIR && - "Call lowered wrongly!"); - Lo = Call.getOperand(0); Hi = Call.getOperand(1); + GetPairElements(Call, Lo, Hi); } void DAGTypeLegalizer::ExpandFloatRes_FCEIL(SDNode *N, SDValue &Lo, SDValue &Hi) { SDValue Call = LibCallify(GetFPLibCall(N->getValueType(0), RTLIB::CEIL_F32, RTLIB::CEIL_F64, - RTLIB::CEIL_F80, RTLIB::CEIL_PPCF128), + RTLIB::CEIL_F80, RTLIB::CEIL_F128, + RTLIB::CEIL_PPCF128), + N, false); + GetPairElements(Call, Lo, Hi); +} + +void DAGTypeLegalizer::ExpandFloatRes_FCOPYSIGN(SDNode *N, + SDValue &Lo, SDValue &Hi) { + SDValue Call = LibCallify(GetFPLibCall(N->getValueType(0), + RTLIB::COPYSIGN_F32, + RTLIB::COPYSIGN_F64, + RTLIB::COPYSIGN_F80, + RTLIB::COPYSIGN_F128, + RTLIB::COPYSIGN_PPCF128), N, false); - assert(Call.getNode()->getOpcode() == ISD::BUILD_PAIR && - "Call lowered wrongly!"); - Lo = Call.getOperand(0); Hi = Call.getOperand(1); + GetPairElements(Call, Lo, Hi); } void DAGTypeLegalizer::ExpandFloatRes_FCOS(SDNode *N, SDValue &Lo, SDValue &Hi) { SDValue Call = LibCallify(GetFPLibCall(N->getValueType(0), RTLIB::COS_F32, RTLIB::COS_F64, - RTLIB::COS_F80, RTLIB::COS_PPCF128), + RTLIB::COS_F80, RTLIB::COS_F128, + RTLIB::COS_PPCF128), N, false); - assert(Call.getNode()->getOpcode() == ISD::BUILD_PAIR && - "Call lowered wrongly!"); - Lo = Call.getOperand(0); Hi = Call.getOperand(1); + GetPairElements(Call, Lo, Hi); } void DAGTypeLegalizer::ExpandFloatRes_FDIV(SDNode *N, SDValue &Lo, SDValue &Hi) { SDValue Ops[2] = { N->getOperand(0), N->getOperand(1) }; - SDValue Call = MakeLibCall(GetFPLibCall(N->getValueType(0), - RTLIB::DIV_F32, - RTLIB::DIV_F64, - RTLIB::DIV_F80, - RTLIB::DIV_PPCF128), - N->getValueType(0), Ops, 2, false); - assert(Call.getNode()->getOpcode() == ISD::BUILD_PAIR && - "Call lowered wrongly!"); - Lo = Call.getOperand(0); Hi = Call.getOperand(1); + SDValue Call = TLI.makeLibCall(DAG, GetFPLibCall(N->getValueType(0), + RTLIB::DIV_F32, + RTLIB::DIV_F64, + RTLIB::DIV_F80, + RTLIB::DIV_F128, + RTLIB::DIV_PPCF128), + N->getValueType(0), Ops, false, + SDLoc(N)).first; + GetPairElements(Call, Lo, Hi); } void DAGTypeLegalizer::ExpandFloatRes_FEXP(SDNode *N, SDValue &Lo, SDValue &Hi) { SDValue Call = LibCallify(GetFPLibCall(N->getValueType(0), RTLIB::EXP_F32, RTLIB::EXP_F64, - RTLIB::EXP_F80, RTLIB::EXP_PPCF128), + RTLIB::EXP_F80, RTLIB::EXP_F128, + RTLIB::EXP_PPCF128), N, false); - assert(Call.getNode()->getOpcode() == ISD::BUILD_PAIR && - "Call lowered wrongly!"); - Lo = Call.getOperand(0); Hi = Call.getOperand(1); + GetPairElements(Call, Lo, Hi); } void DAGTypeLegalizer::ExpandFloatRes_FEXP2(SDNode *N, SDValue &Lo, SDValue &Hi) { SDValue Call = LibCallify(GetFPLibCall(N->getValueType(0), RTLIB::EXP2_F32, RTLIB::EXP2_F64, - RTLIB::EXP2_F80, RTLIB::EXP2_PPCF128), + RTLIB::EXP2_F80, RTLIB::EXP2_F128, + RTLIB::EXP2_PPCF128), N, false); - assert(Call.getNode()->getOpcode() == ISD::BUILD_PAIR && - "Call lowered wrongly!"); - Lo = Call.getOperand(0); Hi = Call.getOperand(1); + GetPairElements(Call, Lo, Hi); } void DAGTypeLegalizer::ExpandFloatRes_FFLOOR(SDNode *N, SDValue &Lo, SDValue &Hi) { SDValue Call = LibCallify(GetFPLibCall(N->getValueType(0), - RTLIB::FLOOR_F32,RTLIB::FLOOR_F64, - RTLIB::FLOOR_F80,RTLIB::FLOOR_PPCF128), + RTLIB::FLOOR_F32, RTLIB::FLOOR_F64, + RTLIB::FLOOR_F80, RTLIB::FLOOR_F128, + RTLIB::FLOOR_PPCF128), N, false); - assert(Call.getNode()->getOpcode() == ISD::BUILD_PAIR && - "Call lowered wrongly!"); - Lo = Call.getOperand(0); Hi = Call.getOperand(1); + GetPairElements(Call, Lo, Hi); } void DAGTypeLegalizer::ExpandFloatRes_FLOG(SDNode *N, SDValue &Lo, SDValue &Hi) { SDValue Call = LibCallify(GetFPLibCall(N->getValueType(0), RTLIB::LOG_F32, RTLIB::LOG_F64, - RTLIB::LOG_F80, RTLIB::LOG_PPCF128), + RTLIB::LOG_F80, RTLIB::LOG_F128, + RTLIB::LOG_PPCF128), N, false); - assert(Call.getNode()->getOpcode() == ISD::BUILD_PAIR && - "Call lowered wrongly!"); - Lo = Call.getOperand(0); Hi = Call.getOperand(1); + GetPairElements(Call, Lo, Hi); } void DAGTypeLegalizer::ExpandFloatRes_FLOG2(SDNode *N, SDValue &Lo, SDValue &Hi) { SDValue Call = LibCallify(GetFPLibCall(N->getValueType(0), RTLIB::LOG2_F32, RTLIB::LOG2_F64, - RTLIB::LOG2_F80, RTLIB::LOG2_PPCF128), + RTLIB::LOG2_F80, RTLIB::LOG2_F128, + RTLIB::LOG2_PPCF128), N, false); - assert(Call.getNode()->getOpcode() == ISD::BUILD_PAIR && - "Call lowered wrongly!"); - Lo = Call.getOperand(0); Hi = Call.getOperand(1); + GetPairElements(Call, Lo, Hi); } void DAGTypeLegalizer::ExpandFloatRes_FLOG10(SDNode *N, SDValue &Lo, SDValue &Hi) { SDValue Call = LibCallify(GetFPLibCall(N->getValueType(0), - RTLIB::LOG10_F32,RTLIB::LOG10_F64, - RTLIB::LOG10_F80,RTLIB::LOG10_PPCF128), + RTLIB::LOG10_F32, RTLIB::LOG10_F64, + RTLIB::LOG10_F80, RTLIB::LOG10_F128, + RTLIB::LOG10_PPCF128), N, false); - assert(Call.getNode()->getOpcode() == ISD::BUILD_PAIR && - "Call lowered wrongly!"); - Lo = Call.getOperand(0); Hi = Call.getOperand(1); + GetPairElements(Call, Lo, Hi); +} + +void DAGTypeLegalizer::ExpandFloatRes_FMA(SDNode *N, SDValue &Lo, + SDValue &Hi) { + SDValue Ops[3] = { N->getOperand(0), N->getOperand(1), N->getOperand(2) }; + SDValue Call = TLI.makeLibCall(DAG, GetFPLibCall(N->getValueType(0), + RTLIB::FMA_F32, + RTLIB::FMA_F64, + RTLIB::FMA_F80, + RTLIB::FMA_F128, + RTLIB::FMA_PPCF128), + N->getValueType(0), Ops, false, + SDLoc(N)).first; + GetPairElements(Call, Lo, Hi); } void DAGTypeLegalizer::ExpandFloatRes_FMUL(SDNode *N, SDValue &Lo, SDValue &Hi) { SDValue Ops[2] = { N->getOperand(0), N->getOperand(1) }; - SDValue Call = MakeLibCall(GetFPLibCall(N->getValueType(0), - RTLIB::MUL_F32, - RTLIB::MUL_F64, - RTLIB::MUL_F80, - RTLIB::MUL_PPCF128), - N->getValueType(0), Ops, 2, false); - assert(Call.getNode()->getOpcode() == ISD::BUILD_PAIR && - "Call lowered wrongly!"); - Lo = Call.getOperand(0); Hi = Call.getOperand(1); + SDValue Call = TLI.makeLibCall(DAG, GetFPLibCall(N->getValueType(0), + RTLIB::MUL_F32, + RTLIB::MUL_F64, + RTLIB::MUL_F80, + RTLIB::MUL_F128, + RTLIB::MUL_PPCF128), + N->getValueType(0), Ops, false, + SDLoc(N)).first; + GetPairElements(Call, Lo, Hi); } void DAGTypeLegalizer::ExpandFloatRes_FNEARBYINT(SDNode *N, @@ -768,105 +1136,123 @@ void DAGTypeLegalizer::ExpandFloatRes_FNEARBYINT(SDNode *N, RTLIB::NEARBYINT_F32, RTLIB::NEARBYINT_F64, RTLIB::NEARBYINT_F80, + RTLIB::NEARBYINT_F128, RTLIB::NEARBYINT_PPCF128), N, false); - assert(Call.getNode()->getOpcode() == ISD::BUILD_PAIR && - "Call lowered wrongly!"); - Lo = Call.getOperand(0); Hi = Call.getOperand(1); + GetPairElements(Call, Lo, Hi); } void DAGTypeLegalizer::ExpandFloatRes_FNEG(SDNode *N, SDValue &Lo, SDValue &Hi) { + SDLoc dl(N); GetExpandedFloat(N->getOperand(0), Lo, Hi); - Lo = DAG.getNode(ISD::FNEG, Lo.getValueType(), Lo); - Hi = DAG.getNode(ISD::FNEG, Hi.getValueType(), Hi); + Lo = DAG.getNode(ISD::FNEG, dl, Lo.getValueType(), Lo); + Hi = DAG.getNode(ISD::FNEG, dl, Hi.getValueType(), Hi); } void DAGTypeLegalizer::ExpandFloatRes_FP_EXTEND(SDNode *N, SDValue &Lo, SDValue &Hi) { - MVT NVT = TLI.getTypeToTransformTo(N->getValueType(0)); - Hi = DAG.getNode(ISD::FP_EXTEND, NVT, N->getOperand(0)); - Lo = DAG.getConstantFP(APFloat(APInt(NVT.getSizeInBits(), 0)), NVT); + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), N->getValueType(0)); + SDLoc dl(N); + Hi = DAG.getNode(ISD::FP_EXTEND, dl, NVT, N->getOperand(0)); + Lo = DAG.getConstantFP(APFloat(DAG.EVTToAPFloatSemantics(NVT), + APInt(NVT.getSizeInBits(), 0)), dl, NVT); } void DAGTypeLegalizer::ExpandFloatRes_FPOW(SDNode *N, SDValue &Lo, SDValue &Hi) { SDValue Call = LibCallify(GetFPLibCall(N->getValueType(0), RTLIB::POW_F32, RTLIB::POW_F64, - RTLIB::POW_F80, RTLIB::POW_PPCF128), + RTLIB::POW_F80, RTLIB::POW_F128, + RTLIB::POW_PPCF128), N, false); - assert(Call.getNode()->getOpcode() == ISD::BUILD_PAIR && - "Call lowered wrongly!"); - Lo = Call.getOperand(0); Hi = Call.getOperand(1); + GetPairElements(Call, Lo, Hi); } void DAGTypeLegalizer::ExpandFloatRes_FPOWI(SDNode *N, SDValue &Lo, SDValue &Hi) { SDValue Call = LibCallify(GetFPLibCall(N->getValueType(0), RTLIB::POWI_F32, RTLIB::POWI_F64, - RTLIB::POWI_F80, RTLIB::POWI_PPCF128), + RTLIB::POWI_F80, RTLIB::POWI_F128, + RTLIB::POWI_PPCF128), + N, false); + GetPairElements(Call, Lo, Hi); +} + +void DAGTypeLegalizer::ExpandFloatRes_FREM(SDNode *N, + SDValue &Lo, SDValue &Hi) { + SDValue Call = LibCallify(GetFPLibCall(N->getValueType(0), + RTLIB::REM_F32, RTLIB::REM_F64, + RTLIB::REM_F80, RTLIB::REM_F128, + RTLIB::REM_PPCF128), N, false); - assert(Call.getNode()->getOpcode() == ISD::BUILD_PAIR && - "Call lowered wrongly!"); - Lo = Call.getOperand(0); Hi = Call.getOperand(1); + GetPairElements(Call, Lo, Hi); } void DAGTypeLegalizer::ExpandFloatRes_FRINT(SDNode *N, SDValue &Lo, SDValue &Hi) { SDValue Call = LibCallify(GetFPLibCall(N->getValueType(0), RTLIB::RINT_F32, RTLIB::RINT_F64, - RTLIB::RINT_F80, RTLIB::RINT_PPCF128), + RTLIB::RINT_F80, RTLIB::RINT_F128, + RTLIB::RINT_PPCF128), N, false); - assert(Call.getNode()->getOpcode() == ISD::BUILD_PAIR && - "Call lowered wrongly!"); - Lo = Call.getOperand(0); Hi = Call.getOperand(1); + GetPairElements(Call, Lo, Hi); +} + +void DAGTypeLegalizer::ExpandFloatRes_FROUND(SDNode *N, + SDValue &Lo, SDValue &Hi) { + SDValue Call = LibCallify(GetFPLibCall(N->getValueType(0), + RTLIB::ROUND_F32, + RTLIB::ROUND_F64, + RTLIB::ROUND_F80, + RTLIB::ROUND_F128, + RTLIB::ROUND_PPCF128), + N, false); + GetPairElements(Call, Lo, Hi); } void DAGTypeLegalizer::ExpandFloatRes_FSIN(SDNode *N, SDValue &Lo, SDValue &Hi) { SDValue Call = LibCallify(GetFPLibCall(N->getValueType(0), RTLIB::SIN_F32, RTLIB::SIN_F64, - RTLIB::SIN_F80, RTLIB::SIN_PPCF128), + RTLIB::SIN_F80, RTLIB::SIN_F128, + RTLIB::SIN_PPCF128), N, false); - assert(Call.getNode()->getOpcode() == ISD::BUILD_PAIR && - "Call lowered wrongly!"); - Lo = Call.getOperand(0); Hi = Call.getOperand(1); + GetPairElements(Call, Lo, Hi); } void DAGTypeLegalizer::ExpandFloatRes_FSQRT(SDNode *N, SDValue &Lo, SDValue &Hi) { SDValue Call = LibCallify(GetFPLibCall(N->getValueType(0), RTLIB::SQRT_F32, RTLIB::SQRT_F64, - RTLIB::SQRT_F80, RTLIB::SQRT_PPCF128), + RTLIB::SQRT_F80, RTLIB::SQRT_F128, + RTLIB::SQRT_PPCF128), N, false); - assert(Call.getNode()->getOpcode() == ISD::BUILD_PAIR && - "Call lowered wrongly!"); - Lo = Call.getOperand(0); Hi = Call.getOperand(1); + GetPairElements(Call, Lo, Hi); } void DAGTypeLegalizer::ExpandFloatRes_FSUB(SDNode *N, SDValue &Lo, SDValue &Hi) { SDValue Ops[2] = { N->getOperand(0), N->getOperand(1) }; - SDValue Call = MakeLibCall(GetFPLibCall(N->getValueType(0), - RTLIB::SUB_F32, - RTLIB::SUB_F64, - RTLIB::SUB_F80, - RTLIB::SUB_PPCF128), - N->getValueType(0), Ops, 2, false); - assert(Call.getNode()->getOpcode() == ISD::BUILD_PAIR && - "Call lowered wrongly!"); - Lo = Call.getOperand(0); Hi = Call.getOperand(1); + SDValue Call = TLI.makeLibCall(DAG, GetFPLibCall(N->getValueType(0), + RTLIB::SUB_F32, + RTLIB::SUB_F64, + RTLIB::SUB_F80, + RTLIB::SUB_F128, + RTLIB::SUB_PPCF128), + N->getValueType(0), Ops, false, + SDLoc(N)).first; + GetPairElements(Call, Lo, Hi); } void DAGTypeLegalizer::ExpandFloatRes_FTRUNC(SDNode *N, SDValue &Lo, SDValue &Hi) { SDValue Call = LibCallify(GetFPLibCall(N->getValueType(0), RTLIB::TRUNC_F32, RTLIB::TRUNC_F64, - RTLIB::TRUNC_F80, RTLIB::TRUNC_PPCF128), + RTLIB::TRUNC_F80, RTLIB::TRUNC_F128, + RTLIB::TRUNC_PPCF128), N, false); - assert(Call.getNode()->getOpcode() == ISD::BUILD_PAIR && - "Call lowered wrongly!"); - Lo = Call.getOperand(0); Hi = Call.getOperand(1); + GetPairElements(Call, Lo, Hi); } void DAGTypeLegalizer::ExpandFloatRes_LOAD(SDNode *N, SDValue &Lo, @@ -880,21 +1266,21 @@ void DAGTypeLegalizer::ExpandFloatRes_LOAD(SDNode *N, SDValue &Lo, LoadSDNode *LD = cast(N); SDValue Chain = LD->getChain(); SDValue Ptr = LD->getBasePtr(); + SDLoc dl(N); - MVT NVT = TLI.getTypeToTransformTo(LD->getValueType(0)); + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), LD->getValueType(0)); assert(NVT.isByteSized() && "Expanded type not byte sized!"); assert(LD->getMemoryVT().bitsLE(NVT) && "Float type not round?"); - Hi = DAG.getExtLoad(LD->getExtensionType(), NVT, Chain, Ptr, - LD->getSrcValue(), LD->getSrcValueOffset(), - LD->getMemoryVT(), - LD->isVolatile(), LD->getAlignment()); + Hi = DAG.getExtLoad(LD->getExtensionType(), dl, NVT, Chain, Ptr, + LD->getMemoryVT(), LD->getMemOperand()); // Remember the chain. Chain = Hi.getValue(1); // The low part is zero. - Lo = DAG.getConstantFP(APFloat(APInt(NVT.getSizeInBits(), 0)), NVT); + Lo = DAG.getConstantFP(APFloat(DAG.EVTToAPFloatSemantics(NVT), + APInt(NVT.getSizeInBits(), 0)), dl, NVT); // Modified the chain - switch anything that used the old chain to use the // new one. @@ -904,65 +1290,74 @@ void DAGTypeLegalizer::ExpandFloatRes_LOAD(SDNode *N, SDValue &Lo, void DAGTypeLegalizer::ExpandFloatRes_XINT_TO_FP(SDNode *N, SDValue &Lo, SDValue &Hi) { assert(N->getValueType(0) == MVT::ppcf128 && "Unsupported XINT_TO_FP!"); - MVT VT = N->getValueType(0); - MVT NVT = TLI.getTypeToTransformTo(VT); + EVT VT = N->getValueType(0); + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), VT); SDValue Src = N->getOperand(0); - MVT SrcVT = Src.getValueType(); + EVT SrcVT = Src.getValueType(); + bool isSigned = N->getOpcode() == ISD::SINT_TO_FP; + SDLoc dl(N); // First do an SINT_TO_FP, whether the original was signed or unsigned. + // When promoting partial word types to i32 we must honor the signedness, + // though. if (SrcVT.bitsLE(MVT::i32)) { // The integer can be represented exactly in an f64. - Src = DAG.getNode(ISD::SIGN_EXTEND, MVT::i32, Src); - Lo = DAG.getConstantFP(APFloat(APInt(NVT.getSizeInBits(), 0)), NVT); - Hi = DAG.getNode(ISD::SINT_TO_FP, NVT, Src); + Src = DAG.getNode(isSigned ? ISD::SIGN_EXTEND : ISD::ZERO_EXTEND, dl, + MVT::i32, Src); + Lo = DAG.getConstantFP(APFloat(DAG.EVTToAPFloatSemantics(NVT), + APInt(NVT.getSizeInBits(), 0)), dl, NVT); + Hi = DAG.getNode(ISD::SINT_TO_FP, dl, NVT, Src); } else { RTLIB::Libcall LC = RTLIB::UNKNOWN_LIBCALL; if (SrcVT.bitsLE(MVT::i64)) { - Src = DAG.getNode(ISD::SIGN_EXTEND, MVT::i64, Src); + Src = DAG.getNode(isSigned ? ISD::SIGN_EXTEND : ISD::ZERO_EXTEND, dl, + MVT::i64, Src); LC = RTLIB::SINTTOFP_I64_PPCF128; } else if (SrcVT.bitsLE(MVT::i128)) { - Src = DAG.getNode(ISD::SIGN_EXTEND, MVT::i128, Src); + Src = DAG.getNode(ISD::SIGN_EXTEND, dl, MVT::i128, Src); LC = RTLIB::SINTTOFP_I128_PPCF128; } assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unsupported XINT_TO_FP!"); - Hi = MakeLibCall(LC, VT, &Src, 1, true); - assert(Hi.getNode()->getOpcode() == ISD::BUILD_PAIR && - "Call lowered wrongly!"); - Lo = Hi.getOperand(0); Hi = Hi.getOperand(1); + Hi = TLI.makeLibCall(DAG, LC, VT, Src, true, dl).first; + GetPairElements(Hi, Lo, Hi); } - if (N->getOpcode() == ISD::SINT_TO_FP) + if (isSigned) return; // Unsigned - fix up the SINT_TO_FP value just calculated. - Hi = DAG.getNode(ISD::BUILD_PAIR, VT, Lo, Hi); + Hi = DAG.getNode(ISD::BUILD_PAIR, dl, VT, Lo, Hi); SrcVT = Src.getValueType(); // x>=0 ? (ppcf128)(iN)x : (ppcf128)(iN)x + 2^N; N=32,64,128. static const uint64_t TwoE32[] = { 0x41f0000000000000LL, 0 }; static const uint64_t TwoE64[] = { 0x43f0000000000000LL, 0 }; static const uint64_t TwoE128[] = { 0x47f0000000000000LL, 0 }; - const uint64_t *Parts = 0; + ArrayRef Parts; - switch (SrcVT.getSimpleVT()) { + switch (SrcVT.getSimpleVT().SimpleTy) { default: - assert(false && "Unsupported UINT_TO_FP!"); + llvm_unreachable("Unsupported UINT_TO_FP!"); case MVT::i32: Parts = TwoE32; + break; case MVT::i64: Parts = TwoE64; + break; case MVT::i128: Parts = TwoE128; + break; } - Lo = DAG.getNode(ISD::FADD, VT, Hi, - DAG.getConstantFP(APFloat(APInt(128, 2, Parts)), - MVT::ppcf128)); - Lo = DAG.getNode(ISD::SELECT_CC, VT, Src, DAG.getConstant(0, SrcVT), Lo, Hi, - DAG.getCondCode(ISD::SETLT)); - Hi = DAG.getNode(ISD::EXTRACT_ELEMENT, NVT, Lo, DAG.getIntPtrConstant(1)); - Lo = DAG.getNode(ISD::EXTRACT_ELEMENT, NVT, Lo, DAG.getIntPtrConstant(0)); + // TODO: Are there fast-math-flags to propagate to this FADD? + Lo = DAG.getNode(ISD::FADD, dl, VT, Hi, + DAG.getConstantFP(APFloat(APFloat::PPCDoubleDouble, + APInt(128, Parts)), + dl, MVT::ppcf128)); + Lo = DAG.getSelectCC(dl, Src, DAG.getConstant(0, dl, SrcVT), + Lo, Hi, ISD::SETLT); + GetPairElements(Lo, Lo, Hi); } @@ -975,49 +1370,43 @@ void DAGTypeLegalizer::ExpandFloatRes_XINT_TO_FP(SDNode *N, SDValue &Lo, /// types of the node are known to be legal, but other operands of the node may /// need promotion or expansion as well as the specified one. bool DAGTypeLegalizer::ExpandFloatOperand(SDNode *N, unsigned OpNo) { - DEBUG(cerr << "Expand float operand: "; N->dump(&DAG); cerr << "\n"); + DEBUG(dbgs() << "Expand float operand: "; N->dump(&DAG); dbgs() << "\n"); SDValue Res = SDValue(); - if (TLI.getOperationAction(N->getOpcode(), N->getOperand(OpNo).getValueType()) - == TargetLowering::Custom) - Res = TLI.LowerOperation(SDValue(N, 0), DAG); + // See if the target wants to custom expand this node. + if (CustomLowerNode(N, N->getOperand(OpNo).getValueType(), false)) + return false; - if (Res.getNode() == 0) { - switch (N->getOpcode()) { - default: - #ifndef NDEBUG - cerr << "ExpandFloatOperand Op #" << OpNo << ": "; - N->dump(&DAG); cerr << "\n"; - #endif - assert(0 && "Do not know how to expand this operator's operand!"); - abort(); - - case ISD::BIT_CONVERT: Res = ExpandOp_BIT_CONVERT(N); break; - case ISD::BUILD_VECTOR: Res = ExpandOp_BUILD_VECTOR(N); break; - case ISD::EXTRACT_ELEMENT: Res = ExpandOp_EXTRACT_ELEMENT(N); break; - - case ISD::BR_CC: Res = ExpandFloatOp_BR_CC(N); break; - case ISD::FP_ROUND: Res = ExpandFloatOp_FP_ROUND(N); break; - case ISD::FP_TO_SINT: Res = ExpandFloatOp_FP_TO_SINT(N); break; - case ISD::FP_TO_UINT: Res = ExpandFloatOp_FP_TO_UINT(N); break; - case ISD::SELECT_CC: Res = ExpandFloatOp_SELECT_CC(N); break; - case ISD::SETCC: Res = ExpandFloatOp_SETCC(N); break; - case ISD::STORE: Res = ExpandFloatOp_STORE(cast(N), - OpNo); break; - } + switch (N->getOpcode()) { + default: +#ifndef NDEBUG + dbgs() << "ExpandFloatOperand Op #" << OpNo << ": "; + N->dump(&DAG); dbgs() << "\n"; +#endif + llvm_unreachable("Do not know how to expand this operator's operand!"); + + case ISD::BITCAST: Res = ExpandOp_BITCAST(N); break; + case ISD::BUILD_VECTOR: Res = ExpandOp_BUILD_VECTOR(N); break; + case ISD::EXTRACT_ELEMENT: Res = ExpandOp_EXTRACT_ELEMENT(N); break; + + case ISD::BR_CC: Res = ExpandFloatOp_BR_CC(N); break; + case ISD::FCOPYSIGN: Res = ExpandFloatOp_FCOPYSIGN(N); break; + case ISD::FP_ROUND: Res = ExpandFloatOp_FP_ROUND(N); break; + case ISD::FP_TO_SINT: Res = ExpandFloatOp_FP_TO_SINT(N); break; + case ISD::FP_TO_UINT: Res = ExpandFloatOp_FP_TO_UINT(N); break; + case ISD::SELECT_CC: Res = ExpandFloatOp_SELECT_CC(N); break; + case ISD::SETCC: Res = ExpandFloatOp_SETCC(N); break; + case ISD::STORE: Res = ExpandFloatOp_STORE(cast(N), + OpNo); break; } // If the result is null, the sub-method took care of registering results etc. if (!Res.getNode()) return false; - // If the result is N, the sub-method updated N in place. Check to see if any - // operands are new, and if so, mark them. - if (Res.getNode() == N) { - // Mark N as new and remark N and its operands. This allows us to correctly - // revisit N if it needs another step of expansion and allows us to visit - // any new operands to N. - ReanalyzeNode(N); + + // If the result is N, the sub-method updated N in place. Tell the legalizer + // core about this. + if (Res.getNode() == N) return true; - } assert(Res.getValueType() == N->getValueType(0) && N->getNumValues() == 1 && "Invalid operand expansion"); @@ -1030,13 +1419,13 @@ bool DAGTypeLegalizer::ExpandFloatOperand(SDNode *N, unsigned OpNo) { /// is shared among BR_CC, SELECT_CC, and SETCC handlers. void DAGTypeLegalizer::FloatExpandSetCCOperands(SDValue &NewLHS, SDValue &NewRHS, - ISD::CondCode &CCCode) { + ISD::CondCode &CCCode, + SDLoc dl) { SDValue LHSLo, LHSHi, RHSLo, RHSHi; GetExpandedFloat(NewLHS, LHSLo, LHSHi); GetExpandedFloat(NewRHS, RHSLo, RHSHi); - MVT VT = NewLHS.getValueType(); - assert(VT == MVT::ppcf128 && "Unsupported setcc type!"); + assert(NewLHS.getValueType() == MVT::ppcf128 && "Unsupported setcc type!"); // FIXME: This generated code sucks. We want to generate // FCMPU crN, hi1, hi2 @@ -1044,32 +1433,47 @@ void DAGTypeLegalizer::FloatExpandSetCCOperands(SDValue &NewLHS, // FCMPU crN, lo1, lo2 // The following can be improved, but not that much. SDValue Tmp1, Tmp2, Tmp3; - Tmp1 = DAG.getSetCC(TLI.getSetCCResultType(LHSHi), LHSHi, RHSHi, ISD::SETOEQ); - Tmp2 = DAG.getSetCC(TLI.getSetCCResultType(LHSLo), LHSLo, RHSLo, CCCode); - Tmp3 = DAG.getNode(ISD::AND, Tmp1.getValueType(), Tmp1, Tmp2); - Tmp1 = DAG.getSetCC(TLI.getSetCCResultType(LHSHi), LHSHi, RHSHi, ISD::SETUNE); - Tmp2 = DAG.getSetCC(TLI.getSetCCResultType(LHSHi), LHSHi, RHSHi, CCCode); - Tmp1 = DAG.getNode(ISD::AND, Tmp1.getValueType(), Tmp1, Tmp2); - NewLHS = DAG.getNode(ISD::OR, Tmp1.getValueType(), Tmp1, Tmp3); + Tmp1 = DAG.getSetCC(dl, getSetCCResultType(LHSHi.getValueType()), + LHSHi, RHSHi, ISD::SETOEQ); + Tmp2 = DAG.getSetCC(dl, getSetCCResultType(LHSLo.getValueType()), + LHSLo, RHSLo, CCCode); + Tmp3 = DAG.getNode(ISD::AND, dl, Tmp1.getValueType(), Tmp1, Tmp2); + Tmp1 = DAG.getSetCC(dl, getSetCCResultType(LHSHi.getValueType()), + LHSHi, RHSHi, ISD::SETUNE); + Tmp2 = DAG.getSetCC(dl, getSetCCResultType(LHSHi.getValueType()), + LHSHi, RHSHi, CCCode); + Tmp1 = DAG.getNode(ISD::AND, dl, Tmp1.getValueType(), Tmp1, Tmp2); + NewLHS = DAG.getNode(ISD::OR, dl, Tmp1.getValueType(), Tmp1, Tmp3); NewRHS = SDValue(); // LHS is the result, not a compare. } SDValue DAGTypeLegalizer::ExpandFloatOp_BR_CC(SDNode *N) { SDValue NewLHS = N->getOperand(2), NewRHS = N->getOperand(3); ISD::CondCode CCCode = cast(N->getOperand(1))->get(); - FloatExpandSetCCOperands(NewLHS, NewRHS, CCCode); + FloatExpandSetCCOperands(NewLHS, NewRHS, CCCode, SDLoc(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) { - NewRHS = DAG.getConstant(0, NewLHS.getValueType()); + if (!NewRHS.getNode()) { + NewRHS = DAG.getConstant(0, SDLoc(N), NewLHS.getValueType()); CCCode = ISD::SETNE; } // Update N to have the operands specified. - return DAG.UpdateNodeOperands(SDValue(N, 0), N->getOperand(0), + return SDValue(DAG.UpdateNodeOperands(N, N->getOperand(0), DAG.getCondCode(CCCode), NewLHS, NewRHS, - N->getOperand(4)); + N->getOperand(4)), 0); +} + +SDValue DAGTypeLegalizer::ExpandFloatOp_FCOPYSIGN(SDNode *N) { + assert(N->getOperand(1).getValueType() == MVT::ppcf128 && + "Logic only correct for ppcf128!"); + SDValue Lo, Hi; + GetExpandedFloat(N->getOperand(1), Lo, Hi); + // The ppcf128 value is providing only the sign; take it from the + // higher-order double (which must have the larger magnitude). + return DAG.getNode(ISD::FCOPYSIGN, SDLoc(N), + N->getValueType(0), N->getOperand(0), Hi); } SDValue DAGTypeLegalizer::ExpandFloatOp_FP_ROUND(SDNode *N) { @@ -1078,30 +1482,34 @@ SDValue DAGTypeLegalizer::ExpandFloatOp_FP_ROUND(SDNode *N) { SDValue Lo, Hi; GetExpandedFloat(N->getOperand(0), Lo, Hi); // Round it the rest of the way (e.g. to f32) if needed. - return DAG.getNode(ISD::FP_ROUND, N->getValueType(0), Hi, N->getOperand(1)); + return DAG.getNode(ISD::FP_ROUND, SDLoc(N), + N->getValueType(0), Hi, N->getOperand(1)); } SDValue DAGTypeLegalizer::ExpandFloatOp_FP_TO_SINT(SDNode *N) { - MVT RVT = N->getValueType(0); + EVT RVT = N->getValueType(0); + SDLoc dl(N); // Expand ppcf128 to i32 by hand for the benefit of llvm-gcc bootstrap on // PPC (the libcall is not available). FIXME: Do this in a less hacky way. if (RVT == MVT::i32) { assert(N->getOperand(0).getValueType() == MVT::ppcf128 && "Logic only correct for ppcf128!"); - SDValue Res = DAG.getNode(ISD::FP_ROUND_INREG, MVT::ppcf128, + SDValue Res = DAG.getNode(ISD::FP_ROUND_INREG, dl, MVT::ppcf128, N->getOperand(0), DAG.getValueType(MVT::f64)); - Res = DAG.getNode(ISD::FP_ROUND, MVT::f64, Res, DAG.getIntPtrConstant(1)); - return DAG.getNode(ISD::FP_TO_SINT, MVT::i32, Res); + Res = DAG.getNode(ISD::FP_ROUND, dl, MVT::f64, Res, + DAG.getIntPtrConstant(1, dl)); + return DAG.getNode(ISD::FP_TO_SINT, dl, MVT::i32, Res); } RTLIB::Libcall LC = RTLIB::getFPTOSINT(N->getOperand(0).getValueType(), RVT); assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unsupported FP_TO_SINT!"); - return MakeLibCall(LC, RVT, &N->getOperand(0), 1, false); + return TLI.makeLibCall(DAG, LC, RVT, N->getOperand(0), false, dl).first; } SDValue DAGTypeLegalizer::ExpandFloatOp_FP_TO_UINT(SDNode *N) { - MVT RVT = N->getValueType(0); + EVT RVT = N->getValueType(0); + SDLoc dl(N); // Expand ppcf128 to i32 by hand for the benefit of llvm-gcc bootstrap on // PPC (the libcall is not available). FIXME: Do this in a less hacky way. @@ -1109,60 +1517,64 @@ SDValue DAGTypeLegalizer::ExpandFloatOp_FP_TO_UINT(SDNode *N) { assert(N->getOperand(0).getValueType() == MVT::ppcf128 && "Logic only correct for ppcf128!"); const uint64_t TwoE31[] = {0x41e0000000000000LL, 0}; - APFloat APF = APFloat(APInt(128, 2, TwoE31)); - SDValue Tmp = DAG.getConstantFP(APF, MVT::ppcf128); + APFloat APF = APFloat(APFloat::PPCDoubleDouble, APInt(128, TwoE31)); + SDValue Tmp = DAG.getConstantFP(APF, dl, MVT::ppcf128); // X>=2^31 ? (int)(X-2^31)+0x80000000 : (int)X // FIXME: generated code sucks. - return DAG.getNode(ISD::SELECT_CC, MVT::i32, N->getOperand(0), Tmp, - DAG.getNode(ISD::ADD, MVT::i32, - DAG.getNode(ISD::FP_TO_SINT, MVT::i32, - DAG.getNode(ISD::FSUB, - MVT::ppcf128, - N->getOperand(0), - Tmp)), - DAG.getConstant(0x80000000, MVT::i32)), - DAG.getNode(ISD::FP_TO_SINT, MVT::i32, N->getOperand(0)), - DAG.getCondCode(ISD::SETGE)); + // TODO: Are there fast-math-flags to propagate to this FSUB? + return DAG.getSelectCC(dl, N->getOperand(0), Tmp, + DAG.getNode(ISD::ADD, dl, MVT::i32, + DAG.getNode(ISD::FP_TO_SINT, dl, MVT::i32, + DAG.getNode(ISD::FSUB, dl, + MVT::ppcf128, + N->getOperand(0), + Tmp)), + DAG.getConstant(0x80000000, dl, + MVT::i32)), + DAG.getNode(ISD::FP_TO_SINT, dl, + MVT::i32, N->getOperand(0)), + ISD::SETGE); } RTLIB::Libcall LC = RTLIB::getFPTOUINT(N->getOperand(0).getValueType(), RVT); assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unsupported FP_TO_UINT!"); - return MakeLibCall(LC, N->getValueType(0), &N->getOperand(0), 1, false); + return TLI.makeLibCall(DAG, LC, N->getValueType(0), N->getOperand(0), + false, dl).first; } SDValue DAGTypeLegalizer::ExpandFloatOp_SELECT_CC(SDNode *N) { SDValue NewLHS = N->getOperand(0), NewRHS = N->getOperand(1); ISD::CondCode CCCode = cast(N->getOperand(4))->get(); - FloatExpandSetCCOperands(NewLHS, NewRHS, CCCode); + FloatExpandSetCCOperands(NewLHS, NewRHS, CCCode, SDLoc(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) { - NewRHS = DAG.getConstant(0, NewLHS.getValueType()); + if (!NewRHS.getNode()) { + NewRHS = DAG.getConstant(0, SDLoc(N), NewLHS.getValueType()); CCCode = ISD::SETNE; } // Update N to have the operands specified. - return DAG.UpdateNodeOperands(SDValue(N, 0), NewLHS, NewRHS, + return SDValue(DAG.UpdateNodeOperands(N, NewLHS, NewRHS, N->getOperand(2), N->getOperand(3), - DAG.getCondCode(CCCode)); + DAG.getCondCode(CCCode)), 0); } SDValue DAGTypeLegalizer::ExpandFloatOp_SETCC(SDNode *N) { SDValue NewLHS = N->getOperand(0), NewRHS = N->getOperand(1); ISD::CondCode CCCode = cast(N->getOperand(2))->get(); - FloatExpandSetCCOperands(NewLHS, NewRHS, CCCode); + FloatExpandSetCCOperands(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; } // Otherwise, update N to have the operands specified. - return DAG.UpdateNodeOperands(SDValue(N, 0), NewLHS, NewRHS, - DAG.getCondCode(CCCode)); + return SDValue(DAG.UpdateNodeOperands(N, NewLHS, NewRHS, + DAG.getCondCode(CCCode)), 0); } SDValue DAGTypeLegalizer::ExpandFloatOp_STORE(SDNode *N, unsigned OpNo) { @@ -1176,15 +1588,431 @@ SDValue DAGTypeLegalizer::ExpandFloatOp_STORE(SDNode *N, unsigned OpNo) { SDValue Chain = ST->getChain(); SDValue Ptr = ST->getBasePtr(); - MVT NVT = TLI.getTypeToTransformTo(ST->getValue().getValueType()); + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), + ST->getValue().getValueType()); assert(NVT.isByteSized() && "Expanded type not byte sized!"); assert(ST->getMemoryVT().bitsLE(NVT) && "Float type not round?"); + (void)NVT; SDValue Lo, Hi; GetExpandedOp(ST->getValue(), Lo, Hi); - return DAG.getTruncStore(Chain, Hi, Ptr, - ST->getSrcValue(), ST->getSrcValueOffset(), - ST->getMemoryVT(), - ST->isVolatile(), ST->getAlignment()); + return DAG.getTruncStore(Chain, SDLoc(N), Hi, Ptr, + ST->getMemoryVT(), ST->getMemOperand()); +} + +//===----------------------------------------------------------------------===// +// Float Operand Promotion +//===----------------------------------------------------------------------===// +// + +static ISD::NodeType GetPromotionOpcode(EVT OpVT, EVT RetVT) { + if (OpVT == MVT::f16) { + return ISD::FP16_TO_FP; + } else if (RetVT == MVT::f16) { + return ISD::FP_TO_FP16; + } + + report_fatal_error("Attempt at an invalid promotion-related conversion"); } + +bool DAGTypeLegalizer::PromoteFloatOperand(SDNode *N, unsigned OpNo) { + SDValue R = SDValue(); + + // Nodes that use a promotion-requiring floating point operand, but doesn't + // produce a promotion-requiring floating point result, need to be legalized + // to use the promoted float operand. Nodes that produce at least one + // promotion-requiring floating point result have their operands legalized as + // a part of PromoteFloatResult. + switch (N->getOpcode()) { + default: + llvm_unreachable("Do not know how to promote this operator's operand!"); + + case ISD::BITCAST: R = PromoteFloatOp_BITCAST(N, OpNo); break; + case ISD::FCOPYSIGN: R = PromoteFloatOp_FCOPYSIGN(N, OpNo); break; + case ISD::FP_TO_SINT: + case ISD::FP_TO_UINT: R = PromoteFloatOp_FP_TO_XINT(N, OpNo); break; + case ISD::FP_EXTEND: R = PromoteFloatOp_FP_EXTEND(N, OpNo); break; + case ISD::SELECT_CC: R = PromoteFloatOp_SELECT_CC(N, OpNo); break; + case ISD::SETCC: R = PromoteFloatOp_SETCC(N, OpNo); break; + case ISD::STORE: R = PromoteFloatOp_STORE(N, OpNo); break; + } + + if (R.getNode()) + ReplaceValueWith(SDValue(N, 0), R); + return false; +} + +SDValue DAGTypeLegalizer::PromoteFloatOp_BITCAST(SDNode *N, unsigned OpNo) { + SDValue Op = N->getOperand(0); + EVT OpVT = Op->getValueType(0); + + EVT IVT = EVT::getIntegerVT(*DAG.getContext(), OpVT.getSizeInBits()); + assert (IVT == N->getValueType(0) && "Bitcast to type of different size"); + + SDValue Promoted = GetPromotedFloat(N->getOperand(0)); + EVT PromotedVT = Promoted->getValueType(0); + + // Convert the promoted float value to the desired IVT. + return DAG.getNode(GetPromotionOpcode(PromotedVT, OpVT), SDLoc(N), IVT, + Promoted); +} + +// Promote Operand 1 of FCOPYSIGN. Operand 0 ought to be handled by +// PromoteFloatRes_FCOPYSIGN. +SDValue DAGTypeLegalizer::PromoteFloatOp_FCOPYSIGN(SDNode *N, unsigned OpNo) { + assert (OpNo == 1 && "Only Operand 1 must need promotion here"); + SDValue Op1 = GetPromotedFloat(N->getOperand(1)); + + return DAG.getNode(N->getOpcode(), SDLoc(N), N->getValueType(0), + N->getOperand(0), Op1); +} + +// Convert the promoted float value to the desired integer type +SDValue DAGTypeLegalizer::PromoteFloatOp_FP_TO_XINT(SDNode *N, unsigned OpNo) { + SDValue Op = GetPromotedFloat(N->getOperand(0)); + return DAG.getNode(N->getOpcode(), SDLoc(N), N->getValueType(0), Op); +} + +SDValue DAGTypeLegalizer::PromoteFloatOp_FP_EXTEND(SDNode *N, unsigned OpNo) { + SDValue Op = GetPromotedFloat(N->getOperand(0)); + EVT VT = N->getValueType(0); + + // Desired VT is same as promoted type. Use promoted float directly. + if (VT == Op->getValueType(0)) + return Op; + + // Else, extend the promoted float value to the desired VT. + return DAG.getNode(ISD::FP_EXTEND, SDLoc(N), VT, Op); +} + +// Promote the float operands used for comparison. The true- and false- +// operands have the same type as the result and are promoted, if needed, by +// PromoteFloatRes_SELECT_CC +SDValue DAGTypeLegalizer::PromoteFloatOp_SELECT_CC(SDNode *N, unsigned OpNo) { + SDValue LHS = GetPromotedFloat(N->getOperand(0)); + SDValue RHS = GetPromotedFloat(N->getOperand(1)); + + return DAG.getNode(ISD::SELECT_CC, SDLoc(N), N->getValueType(0), + LHS, RHS, N->getOperand(2), N->getOperand(3), + N->getOperand(4)); +} + +// Construct a SETCC that compares the promoted values and sets the conditional +// code. +SDValue DAGTypeLegalizer::PromoteFloatOp_SETCC(SDNode *N, unsigned OpNo) { + EVT VT = N->getValueType(0); + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), VT); + SDValue Op0 = GetPromotedFloat(N->getOperand(0)); + SDValue Op1 = GetPromotedFloat(N->getOperand(1)); + ISD::CondCode CCCode = cast(N->getOperand(2))->get(); + + return DAG.getSetCC(SDLoc(N), NVT, Op0, Op1, CCCode); + +} + +// Lower the promoted Float down to the integer value of same size and construct +// a STORE of the integer value. +SDValue DAGTypeLegalizer::PromoteFloatOp_STORE(SDNode *N, unsigned OpNo) { + StoreSDNode *ST = cast(N); + SDValue Val = ST->getValue(); + SDLoc DL(N); + + SDValue Promoted = GetPromotedFloat(Val); + EVT VT = ST->getOperand(1)->getValueType(0); + EVT IVT = EVT::getIntegerVT(*DAG.getContext(), VT.getSizeInBits()); + + SDValue NewVal; + NewVal = DAG.getNode(GetPromotionOpcode(Promoted.getValueType(), VT), DL, + IVT, Promoted); + + return DAG.getStore(ST->getChain(), DL, NewVal, ST->getBasePtr(), + ST->getMemOperand()); +} + +//===----------------------------------------------------------------------===// +// Float Result Promotion +//===----------------------------------------------------------------------===// + +void DAGTypeLegalizer::PromoteFloatResult(SDNode *N, unsigned ResNo) { + SDValue R = SDValue(); + + switch (N->getOpcode()) { + // These opcodes cannot appear if promotion of FP16 is done in the backend + // instead of Clang + case ISD::FP16_TO_FP: + case ISD::FP_TO_FP16: + default: + llvm_unreachable("Do not know how to promote this operator's result!"); + + case ISD::BITCAST: R = PromoteFloatRes_BITCAST(N); break; + case ISD::ConstantFP: R = PromoteFloatRes_ConstantFP(N); break; + case ISD::EXTRACT_VECTOR_ELT: + R = PromoteFloatRes_EXTRACT_VECTOR_ELT(N); break; + case ISD::FCOPYSIGN: R = PromoteFloatRes_FCOPYSIGN(N); break; + + // Unary FP Operations + case ISD::FABS: + case ISD::FCEIL: + case ISD::FCOS: + case ISD::FEXP: + case ISD::FEXP2: + case ISD::FFLOOR: + case ISD::FLOG: + case ISD::FLOG2: + case ISD::FLOG10: + case ISD::FNEARBYINT: + case ISD::FNEG: + case ISD::FRINT: + case ISD::FROUND: + case ISD::FSIN: + case ISD::FSQRT: + case ISD::FTRUNC: R = PromoteFloatRes_UnaryOp(N); break; + + // Binary FP Operations + case ISD::FADD: + case ISD::FDIV: + case ISD::FMAXNUM: + case ISD::FMINNUM: + case ISD::FMUL: + case ISD::FPOW: + case ISD::FREM: + case ISD::FSUB: R = PromoteFloatRes_BinOp(N); break; + + case ISD::FMA: // FMA is same as FMAD + case ISD::FMAD: R = PromoteFloatRes_FMAD(N); break; + + case ISD::FPOWI: R = PromoteFloatRes_FPOWI(N); break; + + case ISD::FP_ROUND: R = PromoteFloatRes_FP_ROUND(N); break; + case ISD::LOAD: R = PromoteFloatRes_LOAD(N); break; + case ISD::SELECT: R = PromoteFloatRes_SELECT(N); break; + case ISD::SELECT_CC: R = PromoteFloatRes_SELECT_CC(N); break; + + case ISD::SINT_TO_FP: + case ISD::UINT_TO_FP: R = PromoteFloatRes_XINT_TO_FP(N); break; + case ISD::UNDEF: R = PromoteFloatRes_UNDEF(N); break; + + } + + if (R.getNode()) + SetPromotedFloat(SDValue(N, ResNo), R); +} + +// Bitcast from i16 to f16: convert the i16 to a f32 value instead. +// At this point, it is not possible to determine if the bitcast value is +// eventually stored to memory or promoted to f32 or promoted to a floating +// point at a higher precision. Some of these cases are handled by FP_EXTEND, +// STORE promotion handlers. +SDValue DAGTypeLegalizer::PromoteFloatRes_BITCAST(SDNode *N) { + EVT VT = N->getValueType(0); + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), VT); + return DAG.getNode(GetPromotionOpcode(VT, NVT), SDLoc(N), NVT, + N->getOperand(0)); +} + +SDValue DAGTypeLegalizer::PromoteFloatRes_ConstantFP(SDNode *N) { + ConstantFPSDNode *CFPNode = cast(N); + EVT VT = N->getValueType(0); + SDLoc DL(N); + + // Get the (bit-cast) APInt of the APFloat and build an integer constant + EVT IVT = EVT::getIntegerVT(*DAG.getContext(), VT.getSizeInBits()); + SDValue C = DAG.getConstant(CFPNode->getValueAPF().bitcastToAPInt(), DL, + IVT); + + // Convert the Constant to the desired FP type + // FIXME We might be able to do the conversion during compilation and get rid + // of it from the object code + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), VT); + return DAG.getNode(GetPromotionOpcode(VT, NVT), DL, NVT, C); +} + +// If the Index operand is a constant, try to redirect the extract operation to +// the correct legalized vector. If not, bit-convert the input vector to +// equivalent integer vector. Extract the element as an (bit-cast) integer +// value and convert it to the promoted type. +SDValue DAGTypeLegalizer::PromoteFloatRes_EXTRACT_VECTOR_ELT(SDNode *N) { + SDLoc DL(N); + + // If the index is constant, try to extract the value from the legalized + // vector type. + if (isa(N->getOperand(1))) { + SDValue Vec = N->getOperand(0); + SDValue Idx = N->getOperand(1); + EVT VecVT = Vec->getValueType(0); + EVT EltVT = VecVT.getVectorElementType(); + + uint64_t IdxVal = cast(Idx)->getZExtValue(); + + switch (getTypeAction(VecVT)) { + default: break; + case TargetLowering::TypeScalarizeVector: { + SDValue Res = GetScalarizedVector(N->getOperand(0)); + ReplaceValueWith(SDValue(N, 0), Res); + return SDValue(); + } + case TargetLowering::TypeWidenVector: { + Vec = GetWidenedVector(Vec); + SDValue Res = DAG.getNode(N->getOpcode(), DL, EltVT, Vec, Idx); + ReplaceValueWith(SDValue(N, 0), Res); + return SDValue(); + } + case TargetLowering::TypeSplitVector: { + SDValue Lo, Hi; + GetSplitVector(Vec, Lo, Hi); + + uint64_t LoElts = Lo.getValueType().getVectorNumElements(); + SDValue Res; + if (IdxVal < LoElts) + Res = DAG.getNode(N->getOpcode(), DL, EltVT, Lo, Idx); + else + Res = DAG.getNode(N->getOpcode(), DL, EltVT, Hi, + DAG.getConstant(IdxVal - LoElts, DL, + Idx.getValueType())); + ReplaceValueWith(SDValue(N, 0), Res); + return SDValue(); + } + + } + } + + // Bit-convert the input vector to the equivalent integer vector + SDValue NewOp = BitConvertVectorToIntegerVector(N->getOperand(0)); + EVT IVT = NewOp.getValueType().getVectorElementType(); + + // Extract the element as an (bit-cast) integer value + SDValue NewVal = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, DL, IVT, + NewOp, N->getOperand(1)); + + // Convert the element to the desired FP type + EVT VT = N->getValueType(0); + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), VT); + return DAG.getNode(GetPromotionOpcode(VT, NVT), SDLoc(N), NVT, NewVal); +} + +// FCOPYSIGN(X, Y) returns the value of X with the sign of Y. If the result +// needs promotion, so does the argument X. Note that Y, if needed, will be +// handled during operand promotion. +SDValue DAGTypeLegalizer::PromoteFloatRes_FCOPYSIGN(SDNode *N) { + EVT VT = N->getValueType(0); + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), VT); + SDValue Op0 = GetPromotedFloat(N->getOperand(0)); + + SDValue Op1 = N->getOperand(1); + + return DAG.getNode(N->getOpcode(), SDLoc(N), NVT, Op0, Op1); +} + +// Unary operation where the result and the operand have PromoteFloat type +// action. Construct a new SDNode with the promoted float value of the old +// operand. +SDValue DAGTypeLegalizer::PromoteFloatRes_UnaryOp(SDNode *N) { + EVT VT = N->getValueType(0); + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), VT); + SDValue Op = GetPromotedFloat(N->getOperand(0)); + + return DAG.getNode(N->getOpcode(), SDLoc(N), NVT, Op); +} + +// Binary operations where the result and both operands have PromoteFloat type +// action. Construct a new SDNode with the promoted float values of the old +// operands. +SDValue DAGTypeLegalizer::PromoteFloatRes_BinOp(SDNode *N) { + EVT VT = N->getValueType(0); + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), VT); + SDValue Op0 = GetPromotedFloat(N->getOperand(0)); + SDValue Op1 = GetPromotedFloat(N->getOperand(1)); + return DAG.getNode(N->getOpcode(), SDLoc(N), NVT, Op0, Op1, N->getFlags()); +} + +SDValue DAGTypeLegalizer::PromoteFloatRes_FMAD(SDNode *N) { + EVT VT = N->getValueType(0); + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), VT); + SDValue Op0 = GetPromotedFloat(N->getOperand(0)); + SDValue Op1 = GetPromotedFloat(N->getOperand(1)); + SDValue Op2 = GetPromotedFloat(N->getOperand(2)); + + return DAG.getNode(N->getOpcode(), SDLoc(N), NVT, Op0, Op1, Op2); +} + +// Promote the Float (first) operand and retain the Integer (second) operand +SDValue DAGTypeLegalizer::PromoteFloatRes_FPOWI(SDNode *N) { + EVT VT = N->getValueType(0); + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), VT); + SDValue Op0 = GetPromotedFloat(N->getOperand(0)); + SDValue Op1 = N->getOperand(1); + + return DAG.getNode(N->getOpcode(), SDLoc(N), NVT, Op0, Op1); +} + +// Explicit operation to reduce precision. Reduce the value to half precision +// and promote it back to the legal type. +SDValue DAGTypeLegalizer::PromoteFloatRes_FP_ROUND(SDNode *N) { + SDLoc DL(N); + + SDValue Op = N->getOperand(0); + EVT VT = N->getValueType(0); + EVT OpVT = Op->getValueType(0); + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), N->getValueType(0)); + EVT IVT = EVT::getIntegerVT(*DAG.getContext(), VT.getSizeInBits()); + + // Round promoted float to desired precision + SDValue Round = DAG.getNode(GetPromotionOpcode(OpVT, VT), DL, IVT, Op); + // Promote it back to the legal output type + return DAG.getNode(GetPromotionOpcode(VT, NVT), DL, NVT, Round); +} + +SDValue DAGTypeLegalizer::PromoteFloatRes_LOAD(SDNode *N) { + LoadSDNode *L = cast(N); + EVT VT = N->getValueType(0); + + // Load the value as an integer value with the same number of bits + EVT IVT = EVT::getIntegerVT(*DAG.getContext(), VT.getSizeInBits()); + SDValue newL = DAG.getLoad(L->getAddressingMode(), L->getExtensionType(), + IVT, SDLoc(N), L->getChain(), L->getBasePtr(), + L->getOffset(), L->getPointerInfo(), IVT, L->isVolatile(), + L->isNonTemporal(), false, L->getAlignment(), + L->getAAInfo()); + // Legalize the chain result by replacing uses of the old value chain with the + // new one + ReplaceValueWith(SDValue(N, 1), newL.getValue(1)); + + // Convert the integer value to the desired FP type + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), VT); + return DAG.getNode(GetPromotionOpcode(VT, NVT), SDLoc(N), NVT, newL); +} + +// Construct a new SELECT node with the promoted true- and false- values. +SDValue DAGTypeLegalizer::PromoteFloatRes_SELECT(SDNode *N) { + SDValue TrueVal = GetPromotedFloat(N->getOperand(1)); + SDValue FalseVal = GetPromotedFloat(N->getOperand(2)); + + return DAG.getNode(ISD::SELECT, SDLoc(N), TrueVal->getValueType(0), + N->getOperand(0), TrueVal, FalseVal); +} + +// Construct a new SELECT_CC node with the promoted true- and false- values. +// The operands used for comparison are promoted by PromoteFloatOp_SELECT_CC. +SDValue DAGTypeLegalizer::PromoteFloatRes_SELECT_CC(SDNode *N) { + SDValue TrueVal = GetPromotedFloat(N->getOperand(2)); + SDValue FalseVal = GetPromotedFloat(N->getOperand(3)); + + return DAG.getNode(ISD::SELECT_CC, SDLoc(N), N->getValueType(0), + N->getOperand(0), N->getOperand(1), TrueVal, FalseVal, + N->getOperand(4)); +} + +// Construct a SDNode that transforms the SINT or UINT operand to the promoted +// float type. +SDValue DAGTypeLegalizer::PromoteFloatRes_XINT_TO_FP(SDNode *N) { + EVT VT = N->getValueType(0); + EVT NVT = TLI.getTypeToTransformTo(*DAG.getContext(), VT); + return DAG.getNode(N->getOpcode(), SDLoc(N), NVT, N->getOperand(0)); +} + +SDValue DAGTypeLegalizer::PromoteFloatRes_UNDEF(SDNode *N) { + return DAG.getUNDEF(TLI.getTypeToTransformTo(*DAG.getContext(), + N->getValueType(0))); +} +