| //===-- 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 SIISELLOWERING_H |
| #define SIISELLOWERING_H |
| |
| #include "AMDGPUISelLowering.h" |
| #include "SIInstrInfo.h" |
| |
| namespace llvm { |
| |
| class SITargetLowering : public AMDGPUTargetLowering { |
| const SIInstrInfo * TII; |
| const TargetRegisterInfo * TRI; |
| |
| void LowerSI_WQM(MachineInstr *MI, MachineBasicBlock &BB, |
| MachineBasicBlock::iterator I, MachineRegisterInfo & MRI) const; |
| |
| SDValue LowerSELECT_CC(SDValue Op, SelectionDAG &DAG) const; |
| SDValue LowerBRCOND(SDValue Op, SelectionDAG &DAG) const; |
| |
| bool foldImm(SDValue &Operand, int32_t &Immediate, |
| bool &ScalarSlotUsed) const; |
| bool fitsRegClass(SelectionDAG &DAG, SDValue &Op, unsigned RegClass) const; |
| void ensureSRegLimit(SelectionDAG &DAG, SDValue &Operand, |
| unsigned RegClass, bool &ScalarSlotUsed) const; |
| |
| public: |
| SITargetLowering(TargetMachine &tm); |
| |
| SDValue LowerFormalArguments(SDValue Chain, CallingConv::ID CallConv, |
| bool isVarArg, |
| const SmallVectorImpl<ISD::InputArg> &Ins, |
| DebugLoc DL, SelectionDAG &DAG, |
| SmallVectorImpl<SDValue> &InVals) const; |
| |
| virtual MachineBasicBlock * EmitInstrWithCustomInserter(MachineInstr * MI, |
| MachineBasicBlock * BB) const; |
| virtual EVT getSetCCResultType(EVT VT) const; |
| virtual MVT getScalarShiftAmountTy(EVT VT) const; |
| virtual SDValue LowerOperation(SDValue Op, SelectionDAG &DAG) const; |
| virtual SDValue PerformDAGCombine(SDNode *N, DAGCombinerInfo &DCI) const; |
| virtual SDNode *PostISelFolding(MachineSDNode *N, SelectionDAG &DAG) const; |
| |
| int32_t analyzeImmediate(const SDNode *N) const; |
| }; |
| |
| } // End namespace llvm |
| |
| #endif //SIISELLOWERING_H |
