//
//===----------------------------------------------------------------------===//
-#ifndef AMDGPUINSTRUCTIONINFO_H
-#define AMDGPUINSTRUCTIONINFO_H
+#ifndef LLVM_LIB_TARGET_R600_AMDGPUINSTRINFO_H
+#define LLVM_LIB_TARGET_R600_AMDGPUINSTRINFO_H
-#include "AMDGPUInstrInfo.h"
#include "AMDGPURegisterInfo.h"
#include "llvm/Target/TargetInstrInfo.h"
#include <map>
namespace llvm {
-class AMDGPUTargetMachine;
+class AMDGPUSubtarget;
class MachineFunction;
class MachineInstr;
class MachineInstrBuilder;
class AMDGPUInstrInfo : public AMDGPUGenInstrInfo {
private:
const AMDGPURegisterInfo RI;
- bool getNextBranchInstr(MachineBasicBlock::iterator &iter,
- MachineBasicBlock &MBB) const;
+ virtual void anchor();
protected:
- TargetMachine &TM;
+ const AMDGPUSubtarget &ST;
public:
- explicit AMDGPUInstrInfo(TargetMachine &tm);
+ explicit AMDGPUInstrInfo(const AMDGPUSubtarget &st);
virtual const AMDGPURegisterInfo &getRegisterInfo() const = 0;
bool isCoalescableExtInstr(const MachineInstr &MI, unsigned &SrcReg,
- unsigned &DstReg, unsigned &SubIdx) const;
+ unsigned &DstReg, unsigned &SubIdx) const override;
- unsigned isLoadFromStackSlot(const MachineInstr *MI, int &FrameIndex) const;
+ unsigned isLoadFromStackSlot(const MachineInstr *MI,
+ int &FrameIndex) const override;
unsigned isLoadFromStackSlotPostFE(const MachineInstr *MI,
- int &FrameIndex) const;
+ int &FrameIndex) const override;
bool hasLoadFromStackSlot(const MachineInstr *MI,
const MachineMemOperand *&MMO,
- int &FrameIndex) const;
+ int &FrameIndex) const override;
unsigned isStoreFromStackSlot(const MachineInstr *MI, int &FrameIndex) const;
unsigned isStoreFromStackSlotPostFE(const MachineInstr *MI,
int &FrameIndex) const;
MachineInstr *
convertToThreeAddress(MachineFunction::iterator &MFI,
MachineBasicBlock::iterator &MBBI,
- LiveVariables *LV) const;
+ LiveVariables *LV) const override;
- virtual void copyPhysReg(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator MI, DebugLoc DL,
- unsigned DestReg, unsigned SrcReg,
- bool KillSrc) const = 0;
+ bool expandPostRAPseudo(MachineBasicBlock::iterator MI) const override;
void storeRegToStackSlot(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MI,
unsigned SrcReg, bool isKill, int FrameIndex,
const TargetRegisterClass *RC,
- const TargetRegisterInfo *TRI) const;
+ const TargetRegisterInfo *TRI) const override;
void loadRegFromStackSlot(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MI,
unsigned DestReg, int FrameIndex,
const TargetRegisterClass *RC,
- const TargetRegisterInfo *TRI) const;
+ const TargetRegisterInfo *TRI) const override;
protected:
MachineInstr *foldMemoryOperandImpl(MachineFunction &MF,
MachineInstr *MI,
const SmallVectorImpl<unsigned> &Ops,
- int FrameIndex) const;
+ int FrameIndex) const override;
MachineInstr *foldMemoryOperandImpl(MachineFunction &MF,
MachineInstr *MI,
const SmallVectorImpl<unsigned> &Ops,
- MachineInstr *LoadMI) const;
+ MachineInstr *LoadMI) const override;
public:
+ /// \returns the smallest register index that will be accessed by an indirect
+ /// read or write or -1 if indirect addressing is not used by this program.
+ int getIndirectIndexBegin(const MachineFunction &MF) const;
+
+ /// \returns the largest register index that will be accessed by an indirect
+ /// read or write or -1 if indirect addressing is not used by this program.
+ int getIndirectIndexEnd(const MachineFunction &MF) const;
+
bool canFoldMemoryOperand(const MachineInstr *MI,
- const SmallVectorImpl<unsigned> &Ops) const;
+ const SmallVectorImpl<unsigned> &Ops) const override;
bool unfoldMemoryOperand(MachineFunction &MF, MachineInstr *MI,
- unsigned Reg, bool UnfoldLoad, bool UnfoldStore,
- SmallVectorImpl<MachineInstr *> &NewMIs) const;
+ unsigned Reg, bool UnfoldLoad, bool UnfoldStore,
+ SmallVectorImpl<MachineInstr *> &NewMIs) const override;
bool unfoldMemoryOperand(SelectionDAG &DAG, SDNode *N,
- SmallVectorImpl<SDNode *> &NewNodes) const;
+ SmallVectorImpl<SDNode *> &NewNodes) const override;
unsigned getOpcodeAfterMemoryUnfold(unsigned Opc,
- bool UnfoldLoad, bool UnfoldStore,
- unsigned *LoadRegIndex = 0) const;
+ bool UnfoldLoad, bool UnfoldStore,
+ unsigned *LoadRegIndex = nullptr) const override;
+
+ bool enableClusterLoads() const override;
+
bool shouldScheduleLoadsNear(SDNode *Load1, SDNode *Load2,
int64_t Offset1, int64_t Offset2,
- unsigned NumLoads) const;
+ unsigned NumLoads) const override;
- bool ReverseBranchCondition(SmallVectorImpl<MachineOperand> &Cond) const;
+ bool
+ ReverseBranchCondition(SmallVectorImpl<MachineOperand> &Cond) const override;
void insertNoop(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator MI) const;
- bool isPredicated(const MachineInstr *MI) const;
+ MachineBasicBlock::iterator MI) const override;
+ bool isPredicated(const MachineInstr *MI) const override;
bool SubsumesPredicate(const SmallVectorImpl<MachineOperand> &Pred1,
- const SmallVectorImpl<MachineOperand> &Pred2) const;
+ const SmallVectorImpl<MachineOperand> &Pred2) const override;
bool DefinesPredicate(MachineInstr *MI,
- std::vector<MachineOperand> &Pred) const;
- bool isPredicable(MachineInstr *MI) const;
- bool isSafeToMoveRegClassDefs(const TargetRegisterClass *RC) const;
+ std::vector<MachineOperand> &Pred) const override;
+ bool isPredicable(MachineInstr *MI) const override;
+ bool isSafeToMoveRegClassDefs(const TargetRegisterClass *RC) const override;
// Helper functions that check the opcode for status information
- bool isLoadInst(llvm::MachineInstr *MI) const;
- bool isExtLoadInst(llvm::MachineInstr *MI) const;
- bool isSWSExtLoadInst(llvm::MachineInstr *MI) const;
- bool isSExtLoadInst(llvm::MachineInstr *MI) const;
- bool isZExtLoadInst(llvm::MachineInstr *MI) const;
- bool isAExtLoadInst(llvm::MachineInstr *MI) const;
- bool isStoreInst(llvm::MachineInstr *MI) const;
- bool isTruncStoreInst(llvm::MachineInstr *MI) const;
bool isRegisterStore(const MachineInstr &MI) const;
bool isRegisterLoad(const MachineInstr &MI) const;
+ /// \brief Return a target-specific opcode if Opcode is a pseudo instruction.
+ /// Return -1 if the target-specific opcode for the pseudo instruction does
+ /// not exist. If Opcode is not a pseudo instruction, this is identity.
+ int pseudoToMCOpcode(int Opcode) const;
+
+ /// \brief Return the descriptor of the target-specific machine instruction
+ /// that corresponds to the specified pseudo or native opcode.
+ const MCInstrDesc &getMCOpcodeFromPseudo(unsigned Opcode) const {
+ return get(pseudoToMCOpcode(Opcode));
+ }
+
//===---------------------------------------------------------------------===//
// Pure virtual funtions to be implemented by sub-classes.
//===---------------------------------------------------------------------===//
- virtual unsigned getIEQOpcode() const = 0;
virtual bool isMov(unsigned opcode) const = 0;
- /// \returns the smallest register index that will be accessed by an indirect
- /// read or write or -1 if indirect addressing is not used by this program.
- virtual int getIndirectIndexBegin(const MachineFunction &MF) const = 0;
-
- /// \returns the largest register index that will be accessed by an indirect
- /// read or write or -1 if indirect addressing is not used by this program.
- virtual int getIndirectIndexEnd(const MachineFunction &MF) const = 0;
-
/// \brief Calculate the "Indirect Address" for the given \p RegIndex and
/// \p Channel
///
virtual unsigned calculateIndirectAddress(unsigned RegIndex,
unsigned Channel) const = 0;
- /// \returns The register class to be used for storing values to an
- /// "Indirect Address" .
- virtual const TargetRegisterClass *getIndirectAddrStoreRegClass(
- unsigned SourceReg) const = 0;
-
- /// \returns The register class to be used for loading values from
- /// an "Indirect Address" .
- virtual const TargetRegisterClass *getIndirectAddrLoadRegClass() const = 0;
+ /// \returns The register class to be used for loading and storing values
+ /// from an "Indirect Address" .
+ virtual const TargetRegisterClass *getIndirectAddrRegClass() const = 0;
/// \brief Build instruction(s) for an indirect register write.
///
unsigned ValueReg, unsigned Address,
unsigned OffsetReg) const = 0;
- /// \returns the register class whose sub registers are the set of all
- /// possible registers that can be used for indirect addressing.
- virtual const TargetRegisterClass *getSuperIndirectRegClass() const = 0;
-
-
- /// \brief Convert the AMDIL MachineInstr to a supported ISA
- /// MachineInstr
- virtual void convertToISA(MachineInstr & MI, MachineFunction &MF,
- DebugLoc DL) const;
+ /// \brief Build a MOV instruction.
+ virtual MachineInstr *buildMovInstr(MachineBasicBlock *MBB,
+ MachineBasicBlock::iterator I,
+ unsigned DstReg, unsigned SrcReg) const = 0;
/// \brief Given a MIMG \p Opcode that writes all 4 channels, return the
/// equivalent opcode that writes \p Channels Channels.
int getMaskedMIMGOp(uint16_t Opcode, unsigned Channels) const;
+
};
namespace AMDGPU {
#define AMDGPU_FLAG_REGISTER_LOAD (UINT64_C(1) << 63)
#define AMDGPU_FLAG_REGISTER_STORE (UINT64_C(1) << 62)
-#endif // AMDGPUINSTRINFO_H
+#endif
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