diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/llvm/Target/TargetRegisterInfo.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/llvm/Target/TargetRegisterInfo.h b/include/llvm/Target/TargetRegisterInfo.h index 07737590af..cb29c7306e 100644 --- a/include/llvm/Target/TargetRegisterInfo.h +++ b/include/llvm/Target/TargetRegisterInfo.h @@ -698,6 +698,18 @@ public: /// the stack frame of the specified index. virtual int getFrameIndexOffset(MachineFunction &MF, int FI) const; + /// getFrameIndexReference - This method should return the base register + /// and offset used to reference a frame index location. The offset is + /// returned directly, and the base register is returned via FrameReg. + virtual int getFrameIndexReference(MachineFunction &MF, int FI, + unsigned &FrameReg) const { + // By default, assume all frame indices are referenced via whatever + // getFrameRegister() says. The target can override this if it's doing + // something different. + FrameReg = getFrameRegister(MF); + return getFrameIndexOffset(MF, FI); + } + /// getRARegister - This method should return the register where the return /// address can be found. virtual unsigned getRARegister() const = 0; |