| //===-- SIISelLowering.h - SI DAG Lowering Interface ------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| /// \file |
| /// \brief SI DAG Lowering interface definition |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_LIB_TARGET_AMDGPU_SIISELLOWERING_H |
| #define LLVM_LIB_TARGET_AMDGPU_SIISELLOWERING_H |
| |
| #include "AMDGPUISelLowering.h" |
| #include "SIInstrInfo.h" |
| |
| namespace llvm { |
| |
| class SITargetLowering final : public AMDGPUTargetLowering { |
| SDValue LowerParameterPtr(SelectionDAG &DAG, const SDLoc &SL, SDValue Chain, |
| unsigned Offset) const; |
| SDValue LowerParameter(SelectionDAG &DAG, EVT VT, EVT MemVT, const SDLoc &SL, |
| SDValue Chain, unsigned Offset, bool Signed) const; |
| SDValue LowerGlobalAddress(AMDGPUMachineFunction *MFI, SDValue Op, |
| SelectionDAG &DAG) const override; |
| SDValue lowerImplicitZextParam(SelectionDAG &DAG, SDValue Op, |
| MVT VT, unsigned Offset) const; |
| |
| SDValue LowerINTRINSIC_WO_CHAIN(SDValue Op, SelectionDAG &DAG) const; |
| SDValue LowerINTRINSIC_W_CHAIN(SDValue Op, SelectionDAG &DAG) const; |
| SDValue LowerINTRINSIC_VOID(SDValue Op, SelectionDAG &DAG) const; |
| SDValue LowerFrameIndex(SDValue Op, SelectionDAG &DAG) const; |
| SDValue LowerLOAD(SDValue Op, SelectionDAG &DAG) const; |
| SDValue LowerSELECT(SDValue Op, SelectionDAG &DAG) const; |
| SDValue lowerFastUnsafeFDIV(SDValue Op, SelectionDAG &DAG) const; |
| SDValue lowerFDIV_FAST(SDValue Op, SelectionDAG &DAG) const; |
| SDValue LowerFDIV32(SDValue Op, SelectionDAG &DAG) const; |
| SDValue LowerFDIV64(SDValue Op, SelectionDAG &DAG) const; |
| SDValue LowerFDIV(SDValue Op, SelectionDAG &DAG) const; |
| SDValue LowerINT_TO_FP(SDValue Op, SelectionDAG &DAG, bool Signed) const; |
| SDValue LowerSTORE(SDValue Op, SelectionDAG &DAG) const; |
| SDValue LowerTrig(SDValue Op, SelectionDAG &DAG) const; |
| SDValue LowerATOMIC_CMP_SWAP(SDValue Op, SelectionDAG &DAG) const; |
| SDValue LowerBRCOND(SDValue Op, SelectionDAG &DAG) const; |
| |
| SDValue getSegmentAperture(unsigned AS, SelectionDAG &DAG) const; |
| SDValue lowerADDRSPACECAST(SDValue Op, SelectionDAG &DAG) const; |
| SDValue lowerTRAP(SDValue Op, SelectionDAG &DAG) const; |
| |
| void adjustWritemask(MachineSDNode *&N, SelectionDAG &DAG) const; |
| |
| SDValue performUCharToFloatCombine(SDNode *N, |
| DAGCombinerInfo &DCI) const; |
| SDValue performSHLPtrCombine(SDNode *N, |
| unsigned AS, |
| DAGCombinerInfo &DCI) const; |
| SDValue performAndCombine(SDNode *N, DAGCombinerInfo &DCI) const; |
| SDValue performOrCombine(SDNode *N, DAGCombinerInfo &DCI) const; |
| SDValue performClassCombine(SDNode *N, DAGCombinerInfo &DCI) const; |
| SDValue performFCanonicalizeCombine(SDNode *N, DAGCombinerInfo &DCI) const; |
| |
| SDValue performMinMaxCombine(SDNode *N, DAGCombinerInfo &DCI) const; |
| |
| SDValue performSetCCCombine(SDNode *N, DAGCombinerInfo &DCI) const; |
| |
| bool isLegalFlatAddressingMode(const AddrMode &AM) const; |
| bool isLegalMUBUFAddressingMode(const AddrMode &AM) const; |
| |
| bool isCFIntrinsic(const SDNode *Intr) const; |
| |
| void createDebuggerPrologueStackObjects(MachineFunction &MF) const; |
| public: |
| SITargetLowering(const TargetMachine &tm, const SISubtarget &STI); |
| |
| const SISubtarget *getSubtarget() const; |
| |
| bool getTgtMemIntrinsic(IntrinsicInfo &, const CallInst &, |
| unsigned IntrinsicID) const override; |
| |
| bool isShuffleMaskLegal(const SmallVectorImpl<int> &/*Mask*/, |
| EVT /*VT*/) const override; |
| |
| bool isLegalAddressingMode(const DataLayout &DL, const AddrMode &AM, Type *Ty, |
| unsigned AS) const override; |
| |
| bool allowsMisalignedMemoryAccesses(EVT VT, unsigned AS, |
| unsigned Align, |
| bool *IsFast) const override; |
| |
| EVT getOptimalMemOpType(uint64_t Size, unsigned DstAlign, |
| unsigned SrcAlign, bool IsMemset, |
| bool ZeroMemset, |
| bool MemcpyStrSrc, |
| MachineFunction &MF) const override; |
| |
| bool isMemOpUniform(const SDNode *N) const; |
| bool isNoopAddrSpaceCast(unsigned SrcAS, unsigned DestAS) const override; |
| |
| TargetLoweringBase::LegalizeTypeAction |
| getPreferredVectorAction(EVT VT) const override; |
| |
| bool shouldConvertConstantLoadToIntImm(const APInt &Imm, |
| Type *Ty) const override; |
| |
| bool isTypeDesirableForOp(unsigned Op, EVT VT) const override; |
| |
| bool isOffsetFoldingLegal(const GlobalAddressSDNode *GA) const override; |
| |
| SDValue LowerFormalArguments(SDValue Chain, CallingConv::ID CallConv, |
| bool isVarArg, |
| const SmallVectorImpl<ISD::InputArg> &Ins, |
| const SDLoc &DL, SelectionDAG &DAG, |
| SmallVectorImpl<SDValue> &InVals) const override; |
| |
| SDValue LowerReturn(SDValue Chain, CallingConv::ID CallConv, bool isVarArg, |
| const SmallVectorImpl<ISD::OutputArg> &Outs, |
| const SmallVectorImpl<SDValue> &OutVals, const SDLoc &DL, |
| SelectionDAG &DAG) const override; |
| |
| unsigned getRegisterByName(const char* RegName, EVT VT, |
| SelectionDAG &DAG) const override; |
| |
| MachineBasicBlock *splitKillBlock(MachineInstr &MI, |
| MachineBasicBlock *BB) const; |
| |
| MachineBasicBlock * |
| EmitInstrWithCustomInserter(MachineInstr &MI, |
| MachineBasicBlock *BB) const override; |
| bool enableAggressiveFMAFusion(EVT VT) const override; |
| EVT getSetCCResultType(const DataLayout &DL, LLVMContext &Context, |
| EVT VT) const override; |
| MVT getScalarShiftAmountTy(const DataLayout &, EVT) const override; |
| bool isFMAFasterThanFMulAndFAdd(EVT VT) const override; |
| SDValue LowerOperation(SDValue Op, SelectionDAG &DAG) const override; |
| SDValue PerformDAGCombine(SDNode *N, DAGCombinerInfo &DCI) const override; |
| SDNode *PostISelFolding(MachineSDNode *N, SelectionDAG &DAG) const override; |
| void AdjustInstrPostInstrSelection(MachineInstr &MI, |
| SDNode *Node) const override; |
| |
| int32_t analyzeImmediate(const SDNode *N) const; |
| SDValue CreateLiveInRegister(SelectionDAG &DAG, const TargetRegisterClass *RC, |
| unsigned Reg, EVT VT) const override; |
| void legalizeTargetIndependentNode(SDNode *Node, SelectionDAG &DAG) const; |
| |
| MachineSDNode *wrapAddr64Rsrc(SelectionDAG &DAG, const SDLoc &DL, |
| SDValue Ptr) const; |
| MachineSDNode *buildRSRC(SelectionDAG &DAG, const SDLoc &DL, SDValue Ptr, |
| uint32_t RsrcDword1, uint64_t RsrcDword2And3) const; |
| std::pair<unsigned, const TargetRegisterClass *> |
| getRegForInlineAsmConstraint(const TargetRegisterInfo *TRI, |
| StringRef Constraint, MVT VT) const override; |
| ConstraintType getConstraintType(StringRef Constraint) const override; |
| SDValue copyToM0(SelectionDAG &DAG, SDValue Chain, const SDLoc &DL, |
| SDValue V) const; |
| }; |
| |
| } // End namespace llvm |
| |
| #endif |