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/ARM/Thumb2InstrInfo.cpp b/lib/Target/ARM/Thumb2InstrInfo.cpp
index 4ed8298..531d5e9 100644
--- a/lib/Target/ARM/Thumb2InstrInfo.cpp
+++ b/lib/Target/ARM/Thumb2InstrInfo.cpp
@@ -40,10 +40,8 @@
                               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 {
   if (DestRC == ARM::GPRRegisterClass) {
     if (SrcRC == ARM::GPRRegisterClass) {
       BuildMI(MBB, I, DL, get(ARM::tMOVgpr2gpr), DestReg).addReg(SrcReg);
@@ -63,7 +61,7 @@
   }
 
   // Handle SPR, DPR, and QPR copies.
-  return ARMBaseInstrInfo::copyRegToReg(MBB, I, DestReg, SrcReg, DestRC, SrcRC);
+  return ARMBaseInstrInfo::copyRegToReg(MBB, I, DestReg, SrcReg, DestRC, SrcRC, DL);
 }
 
 void Thumb2InstrInfo::