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/ARMBaseInstrInfo.cpp b/lib/Target/ARM/ARMBaseInstrInfo.cpp
index 431b500..4d1930c 100644
--- a/lib/Target/ARM/ARMBaseInstrInfo.cpp
+++ b/lib/Target/ARM/ARMBaseInstrInfo.cpp
@@ -657,10 +657,8 @@
                                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 {
   // tGPR is used sometimes in ARM instructions that need to avoid using
   // certain registers.  Just treat it as GPR here.
   if (DestRC == ARM::tGPRRegisterClass)
diff --git a/lib/Target/ARM/ARMBaseInstrInfo.h b/lib/Target/ARM/ARMBaseInstrInfo.h
index 9435e4a..364e7bc 100644
--- a/lib/Target/ARM/ARMBaseInstrInfo.h
+++ b/lib/Target/ARM/ARMBaseInstrInfo.h
@@ -257,7 +257,8 @@
                             MachineBasicBlock::iterator I,
                             unsigned DestReg, unsigned SrcReg,
                             const TargetRegisterClass *DestRC,
-                            const TargetRegisterClass *SrcRC) const;
+                            const TargetRegisterClass *SrcRC,
+                            DebugLoc DL) const;
 
   virtual void storeRegToStackSlot(MachineBasicBlock &MBB,
                                    MachineBasicBlock::iterator MBBI,
diff --git a/lib/Target/ARM/NEONPreAllocPass.cpp b/lib/Target/ARM/NEONPreAllocPass.cpp
index 59e3280..4440611 100644
--- a/lib/Target/ARM/NEONPreAllocPass.cpp
+++ b/lib/Target/ARM/NEONPreAllocPass.cpp
@@ -410,7 +410,8 @@
       if (MO.isUse()) {
         // Insert a copy from VirtReg.
         TII->copyRegToReg(MBB, MBBI, MO.getReg(), VirtReg,
-                          ARM::DPRRegisterClass, ARM::DPRRegisterClass);
+                          ARM::DPRRegisterClass, ARM::DPRRegisterClass,
+                          DebugLoc());
         if (MO.isKill()) {
           MachineInstr *CopyMI = prior(MBBI);
           CopyMI->findRegisterUseOperand(VirtReg)->setIsKill();
@@ -419,7 +420,8 @@
       } else if (MO.isDef() && !MO.isDead()) {
         // Add a copy to VirtReg.
         TII->copyRegToReg(MBB, NextI, VirtReg, MO.getReg(),
-                          ARM::DPRRegisterClass, ARM::DPRRegisterClass);
+                          ARM::DPRRegisterClass, ARM::DPRRegisterClass,
+                          DebugLoc());
       }
     }
   }
diff --git a/lib/Target/ARM/Thumb1InstrInfo.cpp b/lib/Target/ARM/Thumb1InstrInfo.cpp
index 613b746..f0f46bf 100644
--- a/lib/Target/ARM/Thumb1InstrInfo.cpp
+++ b/lib/Target/ARM/Thumb1InstrInfo.cpp
@@ -36,10 +36,8 @@
                                    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);
diff --git a/lib/Target/ARM/Thumb1InstrInfo.h b/lib/Target/ARM/Thumb1InstrInfo.h
index a0bfdeb..2c3438d 100644
--- a/lib/Target/ARM/Thumb1InstrInfo.h
+++ b/lib/Target/ARM/Thumb1InstrInfo.h
@@ -48,7 +48,8 @@
                             MachineBasicBlock::iterator I,
                             unsigned DestReg, unsigned SrcReg,
                             const TargetRegisterClass *DestRC,
-                            const TargetRegisterClass *SrcRC) const;
+                            const TargetRegisterClass *SrcRC,
+                            DebugLoc DL) const;
   void storeRegToStackSlot(MachineBasicBlock &MBB,
                                    MachineBasicBlock::iterator MBBI,
                                    unsigned SrcReg, bool isKill, int FrameIndex,
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::
diff --git a/lib/Target/ARM/Thumb2InstrInfo.h b/lib/Target/ARM/Thumb2InstrInfo.h
index faa9609..2948770 100644
--- a/lib/Target/ARM/Thumb2InstrInfo.h
+++ b/lib/Target/ARM/Thumb2InstrInfo.h
@@ -35,7 +35,8 @@
                     MachineBasicBlock::iterator I,
                     unsigned DestReg, unsigned SrcReg,
                     const TargetRegisterClass *DestRC,
-                    const TargetRegisterClass *SrcRC) const;
+                    const TargetRegisterClass *SrcRC,
+                    DebugLoc DL) const;
 
   void storeRegToStackSlot(MachineBasicBlock &MBB,
                            MachineBasicBlock::iterator MBBI,