| //===-- R600ISelLowering.h - R600 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 R600 DAG Lowering interface definition |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_LIB_TARGET_R600_R600ISELLOWERING_H |
| #define LLVM_LIB_TARGET_R600_R600ISELLOWERING_H |
| |
| #include "AMDGPUISelLowering.h" |
| |
| namespace llvm { |
| |
| class R600InstrInfo; |
| |
| class R600TargetLowering : public AMDGPUTargetLowering { |
| public: |
| R600TargetLowering(TargetMachine &TM, const AMDGPUSubtarget &STI); |
| MachineBasicBlock * EmitInstrWithCustomInserter(MachineInstr *MI, |
| MachineBasicBlock * BB) const override; |
| SDValue LowerOperation(SDValue Op, SelectionDAG &DAG) const override; |
| SDValue PerformDAGCombine(SDNode *N, DAGCombinerInfo &DCI) const override; |
| void ReplaceNodeResults(SDNode * N, |
| SmallVectorImpl<SDValue> &Results, |
| SelectionDAG &DAG) const override; |
| SDValue LowerFormalArguments( |
| SDValue Chain, |
| CallingConv::ID CallConv, |
| bool isVarArg, |
| const SmallVectorImpl<ISD::InputArg> &Ins, |
| SDLoc DL, SelectionDAG &DAG, |
| SmallVectorImpl<SDValue> &InVals) const override; |
| EVT getSetCCResultType(const DataLayout &DL, LLVMContext &, |
| EVT VT) const override; |
| |
| bool allowsMisalignedMemoryAccesses(EVT VT, unsigned AS, |
| unsigned Align, |
| bool *IsFast) const override; |
| |
| private: |
| unsigned Gen; |
| /// Each OpenCL kernel has nine implicit parameters that are stored in the |
| /// first nine dwords of a Vertex Buffer. These implicit parameters are |
| /// lowered to load instructions which retrieve the values from the Vertex |
| /// Buffer. |
| SDValue LowerImplicitParameter(SelectionDAG &DAG, EVT VT, |
| SDLoc DL, unsigned DwordOffset) const; |
| |
| void lowerImplicitParameter(MachineInstr *MI, MachineBasicBlock &BB, |
| MachineRegisterInfo & MRI, unsigned dword_offset) const; |
| SDValue OptimizeSwizzle(SDValue BuildVector, SDValue Swz[], SelectionDAG &DAG, |
| SDLoc DL) const; |
| SDValue vectorToVerticalVector(SelectionDAG &DAG, SDValue Vector) const; |
| |
| SDValue lowerFrameIndex(SDValue Op, SelectionDAG &DAG) const; |
| SDValue LowerEXTRACT_VECTOR_ELT(SDValue Op, SelectionDAG &DAG) const; |
| SDValue LowerINSERT_VECTOR_ELT(SDValue Op, SelectionDAG &DAG) const; |
| SDValue LowerSELECT_CC(SDValue Op, SelectionDAG &DAG) const; |
| |
| SDValue lowerPrivateTruncStore(StoreSDNode *Store, SelectionDAG &DAG) const; |
| SDValue LowerSTORE(SDValue Op, SelectionDAG &DAG) const; |
| SDValue LowerFPTOUINT(SDValue Op, SelectionDAG &DAG) const; |
| |
| SDValue lowerPrivateExtLoad(SDValue Op, SelectionDAG &DAG) const; |
| SDValue LowerLOAD(SDValue Op, SelectionDAG &DAG) const; |
| SDValue LowerBRCOND(SDValue Op, SelectionDAG &DAG) const; |
| SDValue LowerTrig(SDValue Op, SelectionDAG &DAG) const; |
| SDValue LowerSHLParts(SDValue Op, SelectionDAG &DAG) const; |
| SDValue LowerSRXParts(SDValue Op, SelectionDAG &DAG) const; |
| SDValue LowerUADDSUBO(SDValue Op, SelectionDAG &DAG, |
| unsigned mainop, unsigned ovf) const; |
| |
| SDValue stackPtrToRegIndex(SDValue Ptr, unsigned StackWidth, |
| SelectionDAG &DAG) const; |
| void getStackAddress(unsigned StackWidth, unsigned ElemIdx, |
| unsigned &Channel, unsigned &PtrIncr) const; |
| bool isZero(SDValue Op) const; |
| SDNode *PostISelFolding(MachineSDNode *N, SelectionDAG &DAG) const override; |
| }; |
| |
| } // End namespace llvm; |
| |
| #endif |