Implement @llvm.returnaddress. rdar://8015977.

llvm-svn: 104421
diff --git a/llvm/lib/Target/ARM/Thumb1InstrInfo.h b/llvm/lib/Target/ARM/Thumb1InstrInfo.h
index 2c3438d..c937296 100644
--- a/llvm/lib/Target/ARM/Thumb1InstrInfo.h
+++ b/llvm/lib/Target/ARM/Thumb1InstrInfo.h
@@ -39,10 +39,12 @@
 
   bool spillCalleeSavedRegisters(MachineBasicBlock &MBB,
                                  MachineBasicBlock::iterator MI,
-                                 const std::vector<CalleeSavedInfo> &CSI) const;
+                                 const std::vector<CalleeSavedInfo> &CSI,
+                                 const TargetRegisterInfo *TRI) const;
   bool restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
                                    MachineBasicBlock::iterator MI,
-                                   const std::vector<CalleeSavedInfo> &CSI) const;
+                                   const std::vector<CalleeSavedInfo> &CSI,
+                                   const TargetRegisterInfo *TRI) const;
 
   bool copyRegToReg(MachineBasicBlock &MBB,
                             MachineBasicBlock::iterator I,