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			127 lines
		
	
	
		
			5.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			127 lines
		
	
	
		
			5.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| //===-- SIISelLowering.h - SI DAG Lowering Interface ------------*- C++ -*-===//
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| //
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| //                     The LLVM Compiler Infrastructure
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| //
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| // This file is distributed under the University of Illinois Open Source
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| // License. See LICENSE.TXT for details.
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| //
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| //===----------------------------------------------------------------------===//
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| //
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| /// \file
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| /// \brief SI DAG Lowering interface definition
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| //
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| //===----------------------------------------------------------------------===//
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| 
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| #ifndef LLVM_LIB_TARGET_R600_SIISELLOWERING_H
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| #define LLVM_LIB_TARGET_R600_SIISELLOWERING_H
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| 
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| #include "AMDGPUISelLowering.h"
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| #include "SIInstrInfo.h"
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| 
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| namespace llvm {
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| 
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| class SITargetLowering : public AMDGPUTargetLowering {
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|   SDValue LowerParameter(SelectionDAG &DAG, EVT VT, EVT MemVT, SDLoc DL,
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|                          SDValue Chain, unsigned Offset, bool Signed) const;
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|   SDValue LowerSampleIntrinsic(unsigned Opcode, const SDValue &Op,
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|                                SelectionDAG &DAG) const;
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|   SDValue LowerGlobalAddress(AMDGPUMachineFunction *MFI, SDValue Op,
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|                              SelectionDAG &DAG) const override;
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| 
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|   SDValue LowerINTRINSIC_WO_CHAIN(SDValue Op, SelectionDAG &DAG) const;
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|   SDValue LowerINTRINSIC_VOID(SDValue Op, SelectionDAG &DAG) const;
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|   SDValue LowerFrameIndex(SDValue Op, SelectionDAG &DAG) const;
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|   SDValue LowerLOAD(SDValue Op, SelectionDAG &DAG) const;
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|   SDValue LowerSELECT(SDValue Op, SelectionDAG &DAG) const;
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|   SDValue LowerFastFDIV(SDValue Op, SelectionDAG &DAG) const;
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|   SDValue LowerFDIV32(SDValue Op, SelectionDAG &DAG) const;
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|   SDValue LowerFDIV64(SDValue Op, SelectionDAG &DAG) const;
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|   SDValue LowerFDIV(SDValue Op, SelectionDAG &DAG) const;
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|   SDValue LowerINT_TO_FP(SDValue Op, SelectionDAG &DAG, bool Signed) const;
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|   SDValue LowerSTORE(SDValue Op, SelectionDAG &DAG) const;
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|   SDValue LowerTrig(SDValue Op, SelectionDAG &DAG) const;
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|   SDValue LowerBRCOND(SDValue Op, SelectionDAG &DAG) const;
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| 
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|   const TargetRegisterClass *getRegClassForNode(SelectionDAG &DAG,
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|                                                 const SDValue &Op) const;
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|   bool fitsRegClass(SelectionDAG &DAG, const SDValue &Op,
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|                     unsigned RegClass) const;
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| 
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|   void adjustWritemask(MachineSDNode *&N, SelectionDAG &DAG) const;
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|   MachineSDNode *AdjustRegClass(MachineSDNode *N, SelectionDAG &DAG) const;
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| 
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|   SDValue performUCharToFloatCombine(SDNode *N,
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|                                      DAGCombinerInfo &DCI) const;
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|   SDValue performSHLPtrCombine(SDNode *N,
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|                                unsigned AS,
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|                                DAGCombinerInfo &DCI) const;
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|   SDValue performAndCombine(SDNode *N, DAGCombinerInfo &DCI) const;
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|   SDValue performOrCombine(SDNode *N, DAGCombinerInfo &DCI) const;
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|   SDValue performClassCombine(SDNode *N, DAGCombinerInfo &DCI) const;
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| 
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|   SDValue performMin3Max3Combine(SDNode *N, DAGCombinerInfo &DCI) const;
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|   SDValue performSetCCCombine(SDNode *N, DAGCombinerInfo &DCI) const;
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| 
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| public:
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|   SITargetLowering(TargetMachine &tm, const AMDGPUSubtarget &STI);
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| 
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|   bool isShuffleMaskLegal(const SmallVectorImpl<int> &/*Mask*/,
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|                           EVT /*VT*/) const override;
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| 
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|   bool isLegalAddressingMode(const AddrMode &AM,
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|                              Type *Ty) const override;
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| 
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|   bool allowsMisalignedMemoryAccesses(EVT VT, unsigned AS,
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|                                       unsigned Align,
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|                                       bool *IsFast) const override;
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| 
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|   EVT getOptimalMemOpType(uint64_t Size, unsigned DstAlign,
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|                           unsigned SrcAlign, bool IsMemset,
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|                           bool ZeroMemset,
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|                           bool MemcpyStrSrc,
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|                           MachineFunction &MF) const override;
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| 
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|   TargetLoweringBase::LegalizeTypeAction
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|   getPreferredVectorAction(EVT VT) const override;
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| 
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|   bool shouldConvertConstantLoadToIntImm(const APInt &Imm,
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|                                         Type *Ty) const override;
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| 
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|   SDValue LowerFormalArguments(SDValue Chain, CallingConv::ID CallConv,
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|                                bool isVarArg,
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|                                const SmallVectorImpl<ISD::InputArg> &Ins,
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|                                SDLoc DL, SelectionDAG &DAG,
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|                                SmallVectorImpl<SDValue> &InVals) const override;
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| 
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|   MachineBasicBlock * EmitInstrWithCustomInserter(MachineInstr * MI,
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|                                       MachineBasicBlock * BB) const override;
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|   bool enableAggressiveFMAFusion(EVT VT) const override;
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|   EVT getSetCCResultType(LLVMContext &Context, EVT VT) const override;
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|   MVT getScalarShiftAmountTy(EVT VT) const override;
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|   bool isFMAFasterThanFMulAndFAdd(EVT VT) const override;
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|   SDValue LowerOperation(SDValue Op, SelectionDAG &DAG) const override;
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|   SDValue PerformDAGCombine(SDNode *N, DAGCombinerInfo &DCI) const override;
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|   SDNode *PostISelFolding(MachineSDNode *N, SelectionDAG &DAG) const override;
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|   void AdjustInstrPostInstrSelection(MachineInstr *MI,
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|                                      SDNode *Node) const override;
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| 
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|   int32_t analyzeImmediate(const SDNode *N) const;
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|   SDValue CreateLiveInRegister(SelectionDAG &DAG, const TargetRegisterClass *RC,
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|                                unsigned Reg, EVT VT) const override;
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|   void legalizeTargetIndependentNode(SDNode *Node, SelectionDAG &DAG) const;
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| 
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|   MachineSDNode *wrapAddr64Rsrc(SelectionDAG &DAG, SDLoc DL, SDValue Ptr) const;
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|   MachineSDNode *buildRSRC(SelectionDAG &DAG,
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|                            SDLoc DL,
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|                            SDValue Ptr,
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|                            uint32_t RsrcDword1,
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|                            uint64_t RsrcDword2And3) const;
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|   MachineSDNode *buildScratchRSRC(SelectionDAG &DAG,
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|                                   SDLoc DL,
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|                                   SDValue Ptr) const;
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| };
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| 
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| } // End namespace llvm
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| 
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| #endif
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