SIISelLowering.h revision 01115b1f5032b848659669b161af1bdd9e646208
1//===-- SIISelLowering.h - SI DAG Lowering Interface ------------*- C++ -*-===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9// 10/// \file 11/// \brief SI DAG Lowering interface definition 12// 13//===----------------------------------------------------------------------===// 14 15#ifndef SIISELLOWERING_H 16#define SIISELLOWERING_H 17 18#include "AMDGPUISelLowering.h" 19#include "SIInstrInfo.h" 20 21namespace llvm { 22 23class SITargetLowering : public AMDGPUTargetLowering { 24 const SIInstrInfo * TII; 25 26 void LowerMOV_IMM(MachineInstr *MI, MachineBasicBlock &BB, 27 MachineBasicBlock::iterator I, unsigned Opocde) const; 28 void LowerSI_INTERP(MachineInstr *MI, MachineBasicBlock &BB, 29 MachineBasicBlock::iterator I, MachineRegisterInfo & MRI) const; 30 void LowerSI_WQM(MachineInstr *MI, MachineBasicBlock &BB, 31 MachineBasicBlock::iterator I, MachineRegisterInfo & MRI) const; 32 void LowerSI_V_CNDLT(MachineInstr *MI, MachineBasicBlock &BB, 33 MachineBasicBlock::iterator I, MachineRegisterInfo & MRI) const; 34 35 SDValue Loweri1ContextSwitch(SDValue Op, SelectionDAG &DAG, 36 unsigned VCCNode) const; 37 SDValue LowerLOAD(SDValue Op, SelectionDAG &DAG) const; 38 SDValue LowerSELECT_CC(SDValue Op, SelectionDAG &DAG) const; 39 SDValue LowerBRCOND(SDValue Op, SelectionDAG &DAG) const; 40 41public: 42 SITargetLowering(TargetMachine &tm); 43 virtual MachineBasicBlock * EmitInstrWithCustomInserter(MachineInstr * MI, 44 MachineBasicBlock * BB) const; 45 virtual EVT getSetCCResultType(EVT VT) const; 46 virtual SDValue LowerOperation(SDValue Op, SelectionDAG &DAG) const; 47 virtual SDValue PerformDAGCombine(SDNode *N, DAGCombinerInfo &DCI) const; 48 virtual const char* getTargetNodeName(unsigned Opcode) const; 49}; 50 51} // End namespace llvm 52 53#endif //SIISELLOWERING_H 54