| //===-- 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. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // SI DAG Lowering interface definition |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef SIISELLOWERING_H |
| #define SIISELLOWERING_H |
| |
| #include "AMDGPUISelLowering.h" |
| #include "SIInstrInfo.h" |
| |
| namespace llvm { |
| |
| class SITargetLowering : public AMDGPUTargetLowering |
| { |
| const SIInstrInfo * TII; |
| |
| /// AppendS_WAITCNT - Memory reads and writes are syncronized using the |
| /// S_WAITCNT instruction. This function takes the most conservative |
| /// approach and inserts an S_WAITCNT instruction after every read and |
| /// write. |
| void AppendS_WAITCNT(MachineInstr *MI, MachineBasicBlock &BB, |
| MachineBasicBlock::iterator I) const; |
| void LowerSI_INTERP(MachineInstr *MI, MachineBasicBlock &BB, |
| MachineBasicBlock::iterator I, MachineRegisterInfo & MRI) const; |
| void LowerSI_INTERP_CONST(MachineInstr *MI, MachineBasicBlock &BB, |
| MachineBasicBlock::iterator I, MachineRegisterInfo &MRI) const; |
| void LowerSI_KIL(MachineInstr *MI, MachineBasicBlock &BB, |
| MachineBasicBlock::iterator I, MachineRegisterInfo & MRI) const; |
| void LowerSI_V_CNDLT(MachineInstr *MI, MachineBasicBlock &BB, |
| MachineBasicBlock::iterator I, MachineRegisterInfo & MRI) const; |
| |
| SDValue Loweri1ContextSwitch(SDValue Op, SelectionDAG &DAG, |
| unsigned VCCNode) const; |
| SDValue LowerBR_CC(SDValue Op, SelectionDAG &DAG) const; |
| SDValue LowerLOAD(SDValue Op, SelectionDAG &DAG) const; |
| SDValue LowerSELECT_CC(SDValue Op, SelectionDAG &DAG) const; |
| |
| public: |
| SITargetLowering(TargetMachine &tm); |
| virtual MachineBasicBlock * EmitInstrWithCustomInserter(MachineInstr * MI, |
| MachineBasicBlock * BB) const; |
| virtual EVT getSetCCResultType(EVT VT) const; |
| virtual SDValue LowerOperation(SDValue Op, SelectionDAG &DAG) const; |
| virtual SDValue PerformDAGCombine(SDNode *N, DAGCombinerInfo &DCI) const; |
| virtual const char* getTargetNodeName(unsigned Opcode) const; |
| }; |
| |
| } // End namespace llvm |
| |
| #endif //SIISELLOWERING_H |
