diff options
Diffstat (limited to 'include/llvm/Target/TargetRegisterInfo.h')
| -rw-r--r-- | include/llvm/Target/TargetRegisterInfo.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/include/llvm/Target/TargetRegisterInfo.h b/include/llvm/Target/TargetRegisterInfo.h index b7e8af9..cd6fd28 100644 --- a/include/llvm/Target/TargetRegisterInfo.h +++ b/include/llvm/Target/TargetRegisterInfo.h @@ -275,6 +275,7 @@ private: regclass_iterator RegClassBegin, RegClassEnd; // List of regclasses int CallFrameSetupOpcode, CallFrameDestroyOpcode; + protected: TargetRegisterInfo(const TargetRegisterDesc *D, unsigned NR, regclass_iterator RegClassBegin, @@ -463,6 +464,11 @@ public: /// exist. virtual unsigned getSubReg(unsigned RegNo, unsigned Index) const = 0; + /// getSubRegIndex - For a given register pair, return the sub-register index + /// if they are second register is a sub-register of the second. Return zero + /// otherwise. + virtual unsigned getSubRegIndex(unsigned RegNo, unsigned SubRegNo) const = 0; + /// getMatchingSuperReg - Return a super-register of the specified register /// Reg so its sub-register of index SubIdx is Reg. unsigned getMatchingSuperReg(unsigned Reg, unsigned SubIdx, @@ -684,7 +690,7 @@ public: /// getFrameRegister - This method should return the register used as a base /// for values allocated in the current stack frame. - virtual unsigned getFrameRegister(MachineFunction &MF) const = 0; + virtual unsigned getFrameRegister(const MachineFunction &MF) const = 0; /// getFrameIndexOffset - Returns the displacement from the frame register to /// the stack frame of the specified index. |
