llvm-6502/lib/Target/R600/SIISelLowering.h
Bill Wendling b5632b5b45 Don't cache the instruction and register info from the TargetMachine, because
the internals of TargetMachine could change.

No functionality change intended.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183561 91177308-0d34-0410-b5e6-96231b3b80d8
2013-06-07 20:28:55 +00:00

68 lines
2.7 KiB
C++

//===-- 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 {
SDValue LowerParameter(SelectionDAG &DAG, EVT VT, SDLoc DL,
SDValue Chain, unsigned Offset) const;
SDValue LowerSELECT_CC(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerSIGN_EXTEND(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, const SDValue &Op,
unsigned RegClass) const;
void ensureSRegLimit(SelectionDAG &DAG, SDValue &Operand,
unsigned RegClass, bool &ScalarSlotUsed) const;
SDNode *foldOperands(MachineSDNode *N, SelectionDAG &DAG) const;
void adjustWritemask(MachineSDNode *&N, SelectionDAG &DAG) const;
MachineSDNode *AdjustRegClass(MachineSDNode *N, SelectionDAG &DAG) const;
public:
SITargetLowering(TargetMachine &tm);
SDValue LowerFormalArguments(SDValue Chain, CallingConv::ID CallConv,
bool isVarArg,
const SmallVectorImpl<ISD::InputArg> &Ins,
SDLoc DL, SelectionDAG &DAG,
SmallVectorImpl<SDValue> &InVals) const;
virtual MachineBasicBlock * EmitInstrWithCustomInserter(MachineInstr * MI,
MachineBasicBlock * BB) const;
virtual EVT getSetCCResultType(LLVMContext &Context, 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;
virtual void AdjustInstrPostInstrSelection(MachineInstr *MI,
SDNode *Node) const;
int32_t analyzeImmediate(const SDNode *N) const;
SDValue CreateLiveInRegister(SelectionDAG &DAG, const TargetRegisterClass *RC,
unsigned Reg, EVT VT) const;
};
} // End namespace llvm
#endif //SIISELLOWERING_H