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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103194 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/SystemZ/SystemZInstrInfo.cpp b/lib/Target/SystemZ/SystemZInstrInfo.cpp
index 9871b78..15f712d 100644
--- a/lib/Target/SystemZ/SystemZInstrInfo.cpp
+++ b/lib/Target/SystemZ/SystemZInstrInfo.cpp
@@ -121,9 +121,8 @@
                                     MachineBasicBlock::iterator I,
                                     unsigned DestReg, unsigned SrcReg,
                                     const TargetRegisterClass *DestRC,
-                                    const TargetRegisterClass *SrcRC) const {
-  DebugLoc DL;
-  if (I != MBB.end()) DL = I->getDebugLoc();
+                                    const TargetRegisterClass *SrcRC,
+                                    DebugLoc DL) const {
 
   // Determine if DstRC and SrcRC have a common superclass.
   const TargetRegisterClass *CommonRC = DestRC;