Add a DebugLoc argument to TargetInstrInfo::copyRegToReg, so that it
doesn't have to guess.

llvm-svn: 103194
diff --git a/llvm/lib/Target/X86/X86InstrInfo.h b/llvm/lib/Target/X86/X86InstrInfo.h
index 2c5cf1e..bd9bb02 100644
--- a/llvm/lib/Target/X86/X86InstrInfo.h
+++ b/llvm/lib/Target/X86/X86InstrInfo.h
@@ -590,7 +590,8 @@
                             MachineBasicBlock::iterator MI,
                             unsigned DestReg, unsigned SrcReg,
                             const TargetRegisterClass *DestRC,
-                            const TargetRegisterClass *SrcRC) const;
+                            const TargetRegisterClass *SrcRC,
+                            DebugLoc DL) const;
   virtual void storeRegToStackSlot(MachineBasicBlock &MBB,
                                    MachineBasicBlock::iterator MI,
                                    unsigned SrcReg, bool isKill, int FrameIndex,