//===----------------------------------------------------------------------===//
-#ifndef SIINSTRINFO_H
-#define SIINSTRINFO_H
+#ifndef LLVM_LIB_TARGET_R600_SIINSTRINFO_H
+#define LLVM_LIB_TARGET_R600_SIINSTRINFO_H
#include "AMDGPUInstrInfo.h"
#include "SIRegisterInfo.h"
private:
const SIRegisterInfo RI;
- MachineInstrBuilder buildIndirectIndexLoop(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator I,
- unsigned OffsetVGPR,
- unsigned MovRelOp,
- unsigned Dst,
- unsigned Src0) const;
- // If you add or remove instructions from this function, you will
+ unsigned buildExtractSubReg(MachineBasicBlock::iterator MI,
+ MachineRegisterInfo &MRI,
+ MachineOperand &SuperReg,
+ const TargetRegisterClass *SuperRC,
+ unsigned SubIdx,
+ const TargetRegisterClass *SubRC) const;
+ MachineOperand buildExtractSubRegOrImm(MachineBasicBlock::iterator MI,
+ MachineRegisterInfo &MRI,
+ MachineOperand &SuperReg,
+ const TargetRegisterClass *SuperRC,
+ unsigned SubIdx,
+ const TargetRegisterClass *SubRC) const;
+
+ unsigned split64BitImm(SmallVectorImpl<MachineInstr *> &Worklist,
+ MachineBasicBlock::iterator MI,
+ MachineRegisterInfo &MRI,
+ const TargetRegisterClass *RC,
+ const MachineOperand &Op) const;
+
+ void splitScalar64BitUnaryOp(SmallVectorImpl<MachineInstr *> &Worklist,
+ MachineInstr *Inst, unsigned Opcode) const;
+
+ void splitScalar64BitBinaryOp(SmallVectorImpl<MachineInstr *> &Worklist,
+ MachineInstr *Inst, unsigned Opcode) const;
+
+ void splitScalar64BitBCNT(SmallVectorImpl<MachineInstr *> &Worklist,
+ MachineInstr *Inst) const;
+
+ void addDescImplicitUseDef(const MCInstrDesc &Desc, MachineInstr *MI) const;
public:
- explicit SIInstrInfo(AMDGPUTargetMachine &tm);
+ explicit SIInstrInfo(const AMDGPUSubtarget &st);
+
+ const SIRegisterInfo &getRegisterInfo() const override {
+ return RI;
+ }
+
+ bool areLoadsFromSameBasePtr(SDNode *Load1, SDNode *Load2,
+ int64_t &Offset1,
+ int64_t &Offset2) const override;
- const SIRegisterInfo &getRegisterInfo() const;
+ bool getLdStBaseRegImmOfs(MachineInstr *LdSt,
+ unsigned &BaseReg, unsigned &Offset,
+ const TargetRegisterInfo *TRI) const final;
- virtual void copyPhysReg(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator MI, DebugLoc DL,
- unsigned DestReg, unsigned SrcReg,
- bool KillSrc) const;
+ void copyPhysReg(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MI, DebugLoc DL,
+ unsigned DestReg, unsigned SrcReg,
+ bool KillSrc) 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;
+
+ bool expandPostRAPseudo(MachineBasicBlock::iterator MI) const override;
unsigned commuteOpcode(unsigned Opcode) const;
- virtual MachineInstr *commuteInstruction(MachineInstr *MI,
- bool NewMI=false) const;
+ MachineInstr *commuteInstruction(MachineInstr *MI,
+ bool NewMI=false) const override;
- virtual unsigned getIEQOpcode() const {
- llvm_unreachable("Unimplemented");
- }
+ bool isTriviallyReMaterializable(const MachineInstr *MI,
+ AliasAnalysis *AA = nullptr) const;
MachineInstr *buildMovInstr(MachineBasicBlock *MBB,
MachineBasicBlock::iterator I,
- unsigned DstReg, unsigned SrcReg) const;
- virtual bool isMov(unsigned Opcode) const;
+ unsigned DstReg, unsigned SrcReg) const override;
+ bool isMov(unsigned Opcode) const override;
- virtual bool isSafeToMoveRegClassDefs(const TargetRegisterClass *RC) const;
+ bool isSafeToMoveRegClassDefs(const TargetRegisterClass *RC) const override;
bool isDS(uint16_t Opcode) const;
- int isMIMG(uint16_t Opcode) const;
- int isSMRD(uint16_t Opcode) const;
+ bool isMIMG(uint16_t Opcode) const;
+ bool isSMRD(uint16_t Opcode) const;
+ bool isMUBUF(uint16_t Opcode) const;
+ bool isMTBUF(uint16_t Opcode) const;
bool isVOP1(uint16_t Opcode) const;
bool isVOP2(uint16_t Opcode) const;
bool isVOP3(uint16_t Opcode) const;
bool isVOPC(uint16_t Opcode) const;
+ bool isInlineConstant(const APInt &Imm) const;
bool isInlineConstant(const MachineOperand &MO) const;
bool isLiteralConstant(const MachineOperand &MO) const;
- virtual bool verifyInstruction(const MachineInstr *MI,
- StringRef &ErrInfo) const;
+ bool isImmOperandLegal(const MachineInstr *MI, unsigned OpNo,
+ const MachineOperand &MO) const;
+
+ /// \brief Return true if the given offset Size in bytes can be folded into
+ /// the immediate offsets of a memory instruction for the given address space.
+ static bool canFoldOffset(unsigned OffsetSize, unsigned AS) LLVM_READNONE;
+
+ /// \brief Return true if this 64-bit VALU instruction has a 32-bit encoding.
+ /// This function will return false if you pass it a 32-bit instruction.
+ bool hasVALU32BitEncoding(unsigned Opcode) const;
+
+ /// \brief Return true if this instruction has any modifiers.
+ /// e.g. src[012]_mod, omod, clamp.
+ bool hasModifiers(unsigned Opcode) const;
+ bool verifyInstruction(const MachineInstr *MI,
+ StringRef &ErrInfo) const override;
bool isSALUInstr(const MachineInstr &MI) const;
static unsigned getVALUOp(const MachineInstr &MI);
+
bool isSALUOpSupportedOnVALU(const MachineInstr &MI) const;
/// \brief Return the correct register class for \p OpNo. For target-specific
/// instead of MOV.
void legalizeOpWithMove(MachineInstr *MI, unsigned OpIdx) const;
+ /// \brief Check if \p MO is a legal operand if it was the \p OpIdx Operand
+ /// for \p MI.
+ bool isOperandLegal(const MachineInstr *MI, unsigned OpIdx,
+ const MachineOperand *MO = nullptr) const;
+
/// \brief Legalize all operands in this instruction. This function may
/// create new instruction and insert them before \p MI.
void legalizeOperands(MachineInstr *MI) const;
+ /// \brief Split an SMRD instruction into two smaller loads of half the
+ // size storing the results in \p Lo and \p Hi.
+ void splitSMRD(MachineInstr *MI, const TargetRegisterClass *HalfRC,
+ unsigned HalfImmOp, unsigned HalfSGPROp,
+ MachineInstr *&Lo, MachineInstr *&Hi) const;
+
+ void moveSMRDToVALU(MachineInstr *MI, MachineRegisterInfo &MRI) const;
+
/// \brief Replace this instruction's opcode with the equivalent VALU
/// opcode. This function will also move the users of \p MI to the
/// VALU if necessary.
void moveToVALU(MachineInstr &MI) const;
- virtual unsigned calculateIndirectAddress(unsigned RegIndex,
- unsigned Channel) const;
+ unsigned calculateIndirectAddress(unsigned RegIndex,
+ unsigned Channel) const override;
- virtual const TargetRegisterClass *getIndirectAddrRegClass() const;
+ const TargetRegisterClass *getIndirectAddrRegClass() const override;
- virtual MachineInstrBuilder buildIndirectWrite(MachineBasicBlock *MBB,
- MachineBasicBlock::iterator I,
- unsigned ValueReg,
- unsigned Address,
- unsigned OffsetReg) const;
+ MachineInstrBuilder buildIndirectWrite(MachineBasicBlock *MBB,
+ MachineBasicBlock::iterator I,
+ unsigned ValueReg,
+ unsigned Address,
+ unsigned OffsetReg) const override;
- virtual MachineInstrBuilder buildIndirectRead(MachineBasicBlock *MBB,
- MachineBasicBlock::iterator I,
- unsigned ValueReg,
- unsigned Address,
- unsigned OffsetReg) const;
+ MachineInstrBuilder buildIndirectRead(MachineBasicBlock *MBB,
+ MachineBasicBlock::iterator I,
+ unsigned ValueReg,
+ unsigned Address,
+ unsigned OffsetReg) const override;
void reserveIndirectRegisters(BitVector &Reserved,
const MachineFunction &MF) const;
void LoadM0(MachineInstr *MoveRel, MachineBasicBlock::iterator I,
unsigned SavReg, unsigned IndexReg) const;
+
+ void insertNOPs(MachineBasicBlock::iterator MI, int Count) const;
+
+ /// \brief Returns the operand named \p Op. If \p MI does not have an
+ /// operand named \c Op, this function returns nullptr.
+ MachineOperand *getNamedOperand(MachineInstr &MI, unsigned OperandName) const;
};
namespace AMDGPU {
int getVOPe64(uint16_t Opcode);
+ int getVOPe32(uint16_t Opcode);
int getCommuteRev(uint16_t Opcode);
int getCommuteOrig(uint16_t Opcode);
+ int getMCOpcode(uint16_t Opcode, unsigned Gen);
+ int getAddr64Inst(uint16_t Opcode);
+ int getAtomicRetOp(uint16_t Opcode);
+ int getAtomicNoRetOp(uint16_t Opcode);
+
+ const uint64_t RSRC_DATA_FORMAT = 0xf00000000000LL;
+ const uint64_t RSRC_TID_ENABLE = 1LL << 55;
} // End namespace AMDGPU
};
}
-#endif //SIINSTRINFO_H
+namespace SISrcMods {
+ enum {
+ NEG = 1 << 0,
+ ABS = 1 << 1
+ };
+}
+
+#endif