diff options
Diffstat (limited to 'llvm/lib/Target/AArch64/AArch64InstrInfo.h')
| -rw-r--r-- | llvm/lib/Target/AArch64/AArch64InstrInfo.h | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/llvm/lib/Target/AArch64/AArch64InstrInfo.h b/llvm/lib/Target/AArch64/AArch64InstrInfo.h index 1688045e4fb8..66e517e54903 100644 --- a/llvm/lib/Target/AArch64/AArch64InstrInfo.h +++ b/llvm/lib/Target/AArch64/AArch64InstrInfo.h @@ -89,6 +89,12 @@ public: /// if there is a corresponding unscaled variant available. static Optional<unsigned> getUnscaledLdSt(unsigned Opc); + /// Scaling factor for (scaled or unscaled) load or store. + static int getMemScale(unsigned Opc); + static int getMemScale(const MachineInstr &MI) { + return getMemScale(MI.getOpcode()); + } + /// Returns the index for the immediate for a given instruction. static unsigned getLoadStoreImmIdx(unsigned Opc); @@ -131,15 +137,15 @@ public: unsigned NumLoads) const override; void copyPhysRegTuple(MachineBasicBlock &MBB, MachineBasicBlock::iterator I, - const DebugLoc &DL, unsigned DestReg, unsigned SrcReg, - bool KillSrc, unsigned Opcode, + const DebugLoc &DL, MCRegister DestReg, + MCRegister SrcReg, bool KillSrc, unsigned Opcode, llvm::ArrayRef<unsigned> Indices) const; void copyGPRRegTuple(MachineBasicBlock &MBB, MachineBasicBlock::iterator I, DebugLoc DL, unsigned DestReg, unsigned SrcReg, bool KillSrc, unsigned Opcode, unsigned ZeroReg, llvm::ArrayRef<unsigned> Indices) const; void copyPhysReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator I, - const DebugLoc &DL, unsigned DestReg, unsigned SrcReg, + const DebugLoc &DL, MCRegister DestReg, MCRegister SrcReg, bool KillSrc) const override; void storeRegToStackSlot(MachineBasicBlock &MBB, @@ -265,15 +271,21 @@ public: /// on Windows. static bool isSEHInstruction(const MachineInstr &MI); + Optional<RegImmPair> isAddImmediate(const MachineInstr &MI, + Register Reg) const override; + + Optional<ParamLoadedValue> describeLoadedValue(const MachineInstr &MI, + Register Reg) const override; + #define GET_INSTRINFO_HELPER_DECLS #include "AArch64GenInstrInfo.inc" protected: - /// If the specific machine instruction is a instruction that moves/copies - /// value from one register to another register return true along with - /// @Source machine operand and @Destination machine operand. - bool isCopyInstrImpl(const MachineInstr &MI, const MachineOperand *&Source, - const MachineOperand *&Destination) const override; + /// If the specific machine instruction is an instruction that moves/copies + /// value from one register to another register return destination and source + /// registers as machine operands. + Optional<DestSourcePair> + isCopyInstrImpl(const MachineInstr &MI) const override; private: /// Sets the offsets on outlined instructions in \p MBB which use SP |