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

32 files changed, 78 insertions, 78 deletions

diff --git a/lib/Target/ARM/ARMBaseInstrInfo.cpp b/lib/Target/ARM/ARMBaseInstrInfo.cpp
index 431b5001d5..4d1930c269 100644
--- a/lib/Target/ARM/ARMBaseInstrInfo.cpp
+++ b/lib/Target/ARM/ARMBaseInstrInfo.cpp
@@ -657,10 +657,8 @@ ARMBaseInstrInfo::copyRegToReg(MachineBasicBlock &MBB,
                                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 9435e4ac92..364e7bc149 100644
--- a/lib/Target/ARM/ARMBaseInstrInfo.h
+++ b/lib/Target/ARM/ARMBaseInstrInfo.h
@@ -257,7 +257,8 @@ public:
                             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 59e3280434..4440611d80 100644
--- a/lib/Target/ARM/NEONPreAllocPass.cpp
+++ b/lib/Target/ARM/NEONPreAllocPass.cpp
@@ -410,7 +410,8 @@ bool NEONPreAllocPass::PreAllocNEONRegisters(MachineBasicBlock &MBB) {
       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 @@ bool NEONPreAllocPass::PreAllocNEONRegisters(MachineBasicBlock &MBB) {
       } 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 613b74689f..f0f46bf3f8 100644
--- a/lib/Target/ARM/Thumb1InstrInfo.cpp
+++ b/lib/Target/ARM/Thumb1InstrInfo.cpp
@@ -36,10 +36,8 @@ bool Thumb1InstrInfo::copyRegToReg(MachineBasicBlock &MBB,
                                    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 a0bfdeb8e3..2c3438d3b1 100644
--- a/lib/Target/ARM/Thumb1InstrInfo.h
+++ b/lib/Target/ARM/Thumb1InstrInfo.h
@@ -48,7 +48,8 @@ public:
                             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 4ed829842f..531d5e9f14 100644
--- a/lib/Target/ARM/Thumb2InstrInfo.cpp
+++ b/lib/Target/ARM/Thumb2InstrInfo.cpp
@@ -40,10 +40,8 @@ Thumb2InstrInfo::copyRegToReg(MachineBasicBlock &MBB,
                               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 @@ Thumb2InstrInfo::copyRegToReg(MachineBasicBlock &MBB,
   }
 
   // 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 faa960965d..29487700d1 100644
--- a/lib/Target/ARM/Thumb2InstrInfo.h
+++ b/lib/Target/ARM/Thumb2InstrInfo.h
@@ -35,7 +35,8 @@ public:
                     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,
diff --git a/lib/Target/Alpha/AlphaInstrInfo.cpp b/lib/Target/Alpha/AlphaInstrInfo.cpp
index a4df40c199..3aba3639a5 100644
--- a/lib/Target/Alpha/AlphaInstrInfo.cpp
+++ b/lib/Target/Alpha/AlphaInstrInfo.cpp
@@ -146,16 +146,14 @@ bool AlphaInstrInfo::copyRegToReg(MachineBasicBlock &MBB,
                                   MachineBasicBlock::iterator MI,
                                   unsigned DestReg, unsigned SrcReg,
                                   const TargetRegisterClass *DestRC,
-                                  const TargetRegisterClass *SrcRC) const {
+                                  const TargetRegisterClass *SrcRC,
+                                  DebugLoc DL) const {
   //cerr << "copyRegToReg " << DestReg << " <- " << SrcReg << "\n";
   if (DestRC != SrcRC) {
     // Not yet supported!
     return false;
   }
 
-  DebugLoc DL;
-  if (MI != MBB.end()) DL = MI->getDebugLoc();
-
   if (DestRC == Alpha::GPRCRegisterClass) {
     BuildMI(MBB, MI, DL, get(Alpha::BISr), DestReg)
       .addReg(SrcReg)
@@ -431,7 +429,8 @@ unsigned AlphaInstrInfo::getGlobalBaseReg(MachineFunction *MF) const {
 
   GlobalBaseReg = RegInfo.createVirtualRegister(&Alpha::GPRCRegClass);
   bool Ok = TII->copyRegToReg(FirstMBB, MBBI, GlobalBaseReg, Alpha::R29,
-                              &Alpha::GPRCRegClass, &Alpha::GPRCRegClass);
+                              &Alpha::GPRCRegClass, &Alpha::GPRCRegClass,
+                              DebugLoc());
   assert(Ok && "Couldn't assign to global base register!");
   Ok = Ok; // Silence warning when assertions are turned off.
   RegInfo.addLiveIn(Alpha::R29);
@@ -458,7 +457,8 @@ unsigned AlphaInstrInfo::getGlobalRetAddr(MachineFunction *MF) const {
 
   GlobalRetAddr = RegInfo.createVirtualRegister(&Alpha::GPRCRegClass);
   bool Ok = TII->copyRegToReg(FirstMBB, MBBI, GlobalRetAddr, Alpha::R26,
-                              &Alpha::GPRCRegClass, &Alpha::GPRCRegClass);
+                              &Alpha::GPRCRegClass, &Alpha::GPRCRegClass,
+                              DebugLoc());
   assert(Ok && "Couldn't assign to global return address register!");
   Ok = Ok; // Silence warning when assertions are turned off.
   RegInfo.addLiveIn(Alpha::R26);
diff --git a/lib/Target/Alpha/AlphaInstrInfo.h b/lib/Target/Alpha/AlphaInstrInfo.h
index 1b4b4cf74a..7d7365b75b 100644
--- a/lib/Target/Alpha/AlphaInstrInfo.h
+++ b/lib/Target/Alpha/AlphaInstrInfo.h
@@ -48,7 +48,8 @@ public:
                             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 MBBI,
                                    unsigned SrcReg, bool isKill, int FrameIndex,
diff --git a/lib/Target/Blackfin/BlackfinInstrInfo.cpp b/lib/Target/Blackfin/BlackfinInstrInfo.cpp
index 335a7b295c..73924b750a 100644
--- a/lib/Target/Blackfin/BlackfinInstrInfo.cpp
+++ b/lib/Target/Blackfin/BlackfinInstrInfo.cpp
@@ -138,9 +138,8 @@ bool BlackfinInstrInfo::copyRegToReg(MachineBasicBlock &MBB,
                                      unsigned DestReg,
                                      unsigned SrcReg,
                                      const TargetRegisterClass *DestRC,
-                                     const TargetRegisterClass *SrcRC) const {
-  DebugLoc DL;
-
+                                     const TargetRegisterClass *SrcRC,
+                                     DebugLoc DL) const {
   if (inClass(BF::ALLRegClass, DestReg, DestRC) &&
       inClass(BF::ALLRegClass, SrcReg,  SrcRC)) {
     BuildMI(MBB, I, DL, get(BF::MOVE), DestReg).addReg(SrcReg);
diff --git a/lib/Target/Blackfin/BlackfinInstrInfo.h b/lib/Target/Blackfin/BlackfinInstrInfo.h
index 650874c72b..c1dcd58ef5 100644
--- a/lib/Target/Blackfin/BlackfinInstrInfo.h
+++ b/lib/Target/Blackfin/BlackfinInstrInfo.h
@@ -50,7 +50,8 @@ namespace llvm {
                               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/CellSPU/SPUInstrInfo.cpp b/lib/Target/CellSPU/SPUInstrInfo.cpp
index dd1e9f1785..066c5b0614 100644
--- a/lib/Target/CellSPU/SPUInstrInfo.cpp
+++ b/lib/Target/CellSPU/SPUInstrInfo.cpp
@@ -255,16 +255,14 @@ bool SPUInstrInfo::copyRegToReg(MachineBasicBlock &MBB,
                                    MachineBasicBlock::iterator MI,
                                    unsigned DestReg, unsigned SrcReg,
                                    const TargetRegisterClass *DestRC,
-                                   const TargetRegisterClass *SrcRC) const
+                                   const TargetRegisterClass *SrcRC,
+                                   DebugLoc DL) const
 {
   // We support cross register class moves for our aliases, such as R3 in any
   // reg class to any other reg class containing R3.  This is required because
   // we instruction select bitconvert i64 -> f64 as a noop for example, so our
   // types have no specific meaning.
 
-  DebugLoc DL;
-  if (MI != MBB.end()) DL = MI->getDebugLoc();
-
   if (DestRC == SPU::R8CRegisterClass) {
     BuildMI(MBB, MI, DL, get(SPU::LRr8), DestReg).addReg(SrcReg);
   } else if (DestRC == SPU::R16CRegisterClass) {
diff --git a/lib/Target/CellSPU/SPUInstrInfo.h b/lib/Target/CellSPU/SPUInstrInfo.h
index 4bb37ed6be..6dabd7c272 100644
--- a/lib/Target/CellSPU/SPUInstrInfo.h
+++ b/lib/Target/CellSPU/SPUInstrInfo.h
@@ -60,7 +60,8 @@ namespace llvm {
                               MachineBasicBlock::iterator MI,
                               unsigned DestReg, unsigned SrcReg,
                               const TargetRegisterClass *DestRC,
-                              const TargetRegisterClass *SrcRC) const;
+                              const TargetRegisterClass *SrcRC,
+                              DebugLoc DL) const;
 
     //! Store a register to a stack slot, based on its register class.
     virtual void storeRegToStackSlot(MachineBasicBlock &MBB,
diff --git a/lib/Target/MBlaze/MBlazeInstrInfo.cpp b/lib/Target/MBlaze/MBlazeInstrInfo.cpp
index 3b0e13566a..4c4d86bd20 100644
--- a/lib/Target/MBlaze/MBlazeInstrInfo.cpp
+++ b/lib/Target/MBlaze/MBlazeInstrInfo.cpp
@@ -114,8 +114,8 @@ bool MBlazeInstrInfo::
 copyRegToReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
              unsigned DestReg, unsigned SrcReg,
              const TargetRegisterClass *DestRC,
-             const TargetRegisterClass *SrcRC) const {
-  DebugLoc DL;
+             const TargetRegisterClass *SrcRC,
+             DebugLoc DL) const {
   llvm::BuildMI(MBB, I, DL, get(MBlaze::ADD), DestReg)
       .addReg(SrcReg).addReg(MBlaze::R0);
   return true;
@@ -211,7 +211,8 @@ unsigned MBlazeInstrInfo::getGlobalBaseReg(MachineFunction *MF) const {
   GlobalBaseReg = RegInfo.createVirtualRegister(MBlaze::CPURegsRegisterClass);
   bool Ok = TII->copyRegToReg(FirstMBB, MBBI, GlobalBaseReg, MBlaze::R20,
                               MBlaze::CPURegsRegisterClass,
-                              MBlaze::CPURegsRegisterClass);
+                              MBlaze::CPURegsRegisterClass,
+                              DebugLoc());
   assert(Ok && "Couldn't assign to global base register!");
   Ok = Ok; // Silence warning when assertions are turned off.
   RegInfo.addLiveIn(MBlaze::R20);
diff --git a/lib/Target/MBlaze/MBlazeInstrInfo.h b/lib/Target/MBlaze/MBlazeInstrInfo.h
index aa5c90ee3b..c9fdc8877d 100644
--- a/lib/Target/MBlaze/MBlazeInstrInfo.h
+++ b/lib/Target/MBlaze/MBlazeInstrInfo.h
@@ -203,7 +203,8 @@ public:
                             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,
                                    unsigned SrcReg, bool isKill, int FrameIndex,
diff --git a/lib/Target/MSP430/MSP430InstrInfo.cpp b/lib/Target/MSP430/MSP430InstrInfo.cpp
index d4442d0584..527cf1fd41 100644
--- a/lib/Target/MSP430/MSP430InstrInfo.cpp
+++ b/lib/Target/MSP430/MSP430InstrInfo.cpp
@@ -87,10 +87,8 @@ bool MSP430InstrInfo::copyRegToReg(MachineBasicBlock &MBB,
                                    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 == SrcRC) {
     unsigned Opc;
     if (DestRC == &MSP430::GR16RegClass) {
diff --git a/lib/Target/MSP430/MSP430InstrInfo.h b/lib/Target/MSP430/MSP430InstrInfo.h
index d5f7b6f6e8..450f3aacaf 100644
--- a/lib/Target/MSP430/MSP430InstrInfo.h
+++ b/lib/Target/MSP430/MSP430InstrInfo.h
@@ -52,7 +52,8 @@ public:
   bool copyRegToReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
                     unsigned DestReg, unsigned SrcReg,
                     const TargetRegisterClass *DestRC,
-                    const TargetRegisterClass *SrcRC) const;
+                    const TargetRegisterClass *SrcRC,
+                    DebugLoc DL) const;
 
   bool isMoveInstr(const MachineInstr& MI,
                    unsigned &SrcReg, unsigned &DstReg,
diff --git a/lib/Target/Mips/MipsInstrInfo.cpp b/lib/Target/Mips/MipsInstrInfo.cpp
index 595e32a647..4005e35b35 100644
--- a/lib/Target/Mips/MipsInstrInfo.cpp
+++ b/lib/Target/Mips/MipsInstrInfo.cpp
@@ -131,10 +131,8 @@ bool MipsInstrInfo::
 copyRegToReg(MachineBasicBlock &MBB, 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 != SrcRC) {
 
@@ -625,7 +623,8 @@ unsigned MipsInstrInfo::getGlobalBaseReg(MachineFunction *MF) const {
   GlobalBaseReg = RegInfo.createVirtualRegister(Mips::CPURegsRegisterClass);
   bool Ok = TII->copyRegToReg(FirstMBB, MBBI, GlobalBaseReg, Mips::GP,
                               Mips::CPURegsRegisterClass,
-                              Mips::CPURegsRegisterClass);
+                              Mips::CPURegsRegisterClass,
+                              DebugLoc());
   assert(Ok && "Couldn't assign to global base register!");
   Ok = Ok; // Silence warning when assertions are turned off.
   RegInfo.addLiveIn(Mips::GP);
diff --git a/lib/Target/Mips/MipsInstrInfo.h b/lib/Target/Mips/MipsInstrInfo.h
index 6ac316a8c6..7919d9a038 100644
--- a/lib/Target/Mips/MipsInstrInfo.h
+++ b/lib/Target/Mips/MipsInstrInfo.h
@@ -209,7 +209,8 @@ public:
                             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,
                                    unsigned SrcReg, bool isKill, int FrameIndex,
diff --git a/lib/Target/PIC16/PIC16InstrInfo.cpp b/lib/Target/PIC16/PIC16InstrInfo.cpp
index 376c1021a3..793dd9f029 100644
--- a/lib/Target/PIC16/PIC16InstrInfo.cpp
+++ b/lib/Target/PIC16/PIC16InstrInfo.cpp
@@ -155,9 +155,8 @@ bool PIC16InstrInfo::copyRegToReg (MachineBasicBlock &MBB,
                                    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 == PIC16::FSR16RegisterClass) {
     BuildMI(MBB, I, DL, get(PIC16::copy_fsr), DestReg).addReg(SrcReg);
diff --git a/lib/Target/PIC16/PIC16InstrInfo.h b/lib/Target/PIC16/PIC16InstrInfo.h
index 7b7e797017..40a4cb4ddb 100644
--- a/lib/Target/PIC16/PIC16InstrInfo.h
+++ b/lib/Target/PIC16/PIC16InstrInfo.h
@@ -61,7 +61,8 @@ public:
                             MachineBasicBlock::iterator MBBI,
                             unsigned DestReg, unsigned SrcReg,
                             const TargetRegisterClass *DestRC,
-                            const TargetRegisterClass *SrcRC) const;
+                            const TargetRegisterClass *SrcRC,
+                            DebugLoc DL) const;
   virtual bool isMoveInstr(const MachineInstr &MI,
                            unsigned &SrcReg, unsigned &DstReg,
                            unsigned &SrcSubIdx, unsigned &DstSubIdx) const;
diff --git a/lib/Target/PowerPC/PPCInstrInfo.cpp b/lib/Target/PowerPC/PPCInstrInfo.cpp
index 3012e8e916..ae95ae4771 100644
--- a/lib/Target/PowerPC/PPCInstrInfo.cpp
+++ b/lib/Target/PowerPC/PPCInstrInfo.cpp
@@ -345,15 +345,13 @@ bool PPCInstrInfo::copyRegToReg(MachineBasicBlock &MBB,
                                    MachineBasicBlock::iterator MI,
                                    unsigned DestReg, unsigned SrcReg,
                                    const TargetRegisterClass *DestRC,
-                                   const TargetRegisterClass *SrcRC) const {
+                                   const TargetRegisterClass *SrcRC,
+                                   DebugLoc DL) const {
   if (DestRC != SrcRC) {
     // Not yet supported!
     return false;
   }
 
-  DebugLoc DL;
-  if (MI != MBB.end()) DL = MI->getDebugLoc();
-
   if (DestRC == PPC::GPRCRegisterClass) {
     BuildMI(MBB, MI, DL, get(PPC::OR), DestReg).addReg(SrcReg).addReg(SrcReg);
   } else if (DestRC == PPC::G8RCRegisterClass) {
diff --git a/lib/Target/PowerPC/PPCInstrInfo.h b/lib/Target/PowerPC/PPCInstrInfo.h
index e27ffc6fce..7a9e11bd66 100644
--- a/lib/Target/PowerPC/PPCInstrInfo.h
+++ b/lib/Target/PowerPC/PPCInstrInfo.h
@@ -114,7 +114,8 @@ public:
                             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 MBBI,
diff --git a/lib/Target/Sparc/SparcInstrInfo.cpp b/lib/Target/Sparc/SparcInstrInfo.cpp
index a519d24521..8e49ecac4d 100644
--- a/lib/Target/Sparc/SparcInstrInfo.cpp
+++ b/lib/Target/Sparc/SparcInstrInfo.cpp
@@ -122,15 +122,13 @@ bool SparcInstrInfo::copyRegToReg(MachineBasicBlock &MBB,
                                   MachineBasicBlock::iterator I,
                                   unsigned DestReg, unsigned SrcReg,
                                   const TargetRegisterClass *DestRC,
-                                  const TargetRegisterClass *SrcRC) const {
+                                  const TargetRegisterClass *SrcRC,
+                                  DebugLoc DL) const {
   if (DestRC != SrcRC) {
     // Not yet supported!
     return false;
   }
 
-  DebugLoc DL;
-  if (I != MBB.end()) DL = I->getDebugLoc();
-
   if (DestRC == SP::IntRegsRegisterClass)
     BuildMI(MBB, I, DL, get(SP::ORrr), DestReg).addReg(SP::G0).addReg(SrcReg);
   else if (DestRC == SP::FPRegsRegisterClass)
diff --git a/lib/Target/Sparc/SparcInstrInfo.h b/lib/Target/Sparc/SparcInstrInfo.h
index 4e758e14d5..a00ba3939f 100644
--- a/lib/Target/Sparc/SparcInstrInfo.h
+++ b/lib/Target/Sparc/SparcInstrInfo.h
@@ -74,7 +74,8 @@ public:
                             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/SystemZ/SystemZInstrInfo.cpp b/lib/Target/SystemZ/SystemZInstrInfo.cpp
index 9871b783ce..15f712d1b3 100644
--- a/lib/Target/SystemZ/SystemZInstrInfo.cpp
+++ b/lib/Target/SystemZ/SystemZInstrInfo.cpp
@@ -121,9 +121,8 @@ bool SystemZInstrInfo::copyRegToReg(MachineBasicBlock &MBB,
                                     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;
diff --git a/lib/Target/SystemZ/SystemZInstrInfo.h b/lib/Target/SystemZ/SystemZInstrInfo.h
index 7d4c23227b..a75925a6f6 100644
--- a/lib/Target/SystemZ/SystemZInstrInfo.h
+++ b/lib/Target/SystemZ/SystemZInstrInfo.h
@@ -63,7 +63,8 @@ public:
   bool copyRegToReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
                     unsigned DestReg, unsigned SrcReg,
                     const TargetRegisterClass *DestRC,
-                    const TargetRegisterClass *SrcRC) const;
+                    const TargetRegisterClass *SrcRC,
+                    DebugLoc DL) const;
 
   bool isMoveInstr(const MachineInstr& MI,
                    unsigned &SrcReg, unsigned &DstReg,
diff --git a/lib/Target/X86/X86FastISel.cpp b/lib/Target/X86/X86FastISel.cpp
index ff9208c2c1..15553c2511 100644
--- a/lib/Target/X86/X86FastISel.cpp
+++ b/lib/Target/X86/X86FastISel.cpp
@@ -1019,7 +1019,7 @@ bool X86FastISel::X86SelectShift(const Instruction *I) {
   
   unsigned Op1Reg = getRegForValue(I->getOperand(1));
   if (Op1Reg == 0) return false;
-  TII.copyRegToReg(*MBB, MBB->end(), CReg, Op1Reg, RC, RC);
+  TII.copyRegToReg(*MBB, MBB->end(), CReg, Op1Reg, RC, RC, DL);
 
   // The shift instruction uses X86::CL. If we defined a super-register
   // of X86::CL, emit an EXTRACT_SUBREG to precisely describe what
@@ -1447,7 +1447,7 @@ bool X86FastISel::X86SelectCall(const Instruction *I) {
     if (VA.isRegLoc()) {
       TargetRegisterClass* RC = TLI.getRegClassFor(ArgVT);
       bool Emitted = TII.copyRegToReg(*MBB, MBB->end(), VA.getLocReg(),
-                                      Arg, RC, RC);
+                                      Arg, RC, RC, DL);
       assert(Emitted && "Failed to emit a copy instruction!"); Emitted=Emitted;
       Emitted = true;
       RegArgs.push_back(VA.getLocReg());
@@ -1473,7 +1473,8 @@ bool X86FastISel::X86SelectCall(const Instruction *I) {
   if (Subtarget->isPICStyleGOT()) {
     TargetRegisterClass *RC = X86::GR32RegisterClass;
     unsigned Base = getInstrInfo()->getGlobalBaseReg(&MF);
-    bool Emitted = TII.copyRegToReg(*MBB, MBB->end(), X86::EBX, Base, RC, RC);
+    bool Emitted = TII.copyRegToReg(*MBB, MBB->end(), X86::EBX, Base, RC, RC,
+                                    DL);
     assert(Emitted && "Failed to emit a copy instruction!"); Emitted=Emitted;
     Emitted = true;
   }
@@ -1552,7 +1553,7 @@ bool X86FastISel::X86SelectCall(const Instruction *I) {
 
     unsigned ResultReg = createResultReg(DstRC);
     bool Emitted = TII.copyRegToReg(*MBB, MBB->end(), ResultReg,
-                                    RVLocs[0].getLocReg(), DstRC, SrcRC);
+                                    RVLocs[0].getLocReg(), DstRC, SrcRC, DL);
     assert(Emitted && "Failed to emit a copy instruction!"); Emitted=Emitted;
     Emitted = true;
     if (CopyVT != RVLocs[0].getValVT()) {
diff --git a/lib/Target/X86/X86InstrInfo.cpp b/lib/Target/X86/X86InstrInfo.cpp
index 37d81224ab..a89596efbc 100644
--- a/lib/Target/X86/X86InstrInfo.cpp
+++ b/lib/Target/X86/X86InstrInfo.cpp
@@ -1901,8 +1901,8 @@ bool X86InstrInfo::copyRegToReg(MachineBasicBlock &MBB,
                                 MachineBasicBlock::iterator MI,
                                 unsigned DestReg, unsigned SrcReg,
                                 const TargetRegisterClass *DestRC,
-                                const TargetRegisterClass *SrcRC) const {
-  DebugLoc DL = MBB.findDebugLoc(MI);
+                                const TargetRegisterClass *SrcRC,
+                                DebugLoc DL) const {
 
   // Determine if DstRC and SrcRC have a common superclass in common.
   const TargetRegisterClass *CommonRC = DestRC;
diff --git a/lib/Target/X86/X86InstrInfo.h b/lib/Target/X86/X86InstrInfo.h
index 2c5cf1e668..bd9bb02801 100644
--- a/lib/Target/X86/X86InstrInfo.h
+++ b/lib/Target/X86/X86InstrInfo.h
@@ -590,7 +590,8 @@ public:
                             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,
diff --git a/lib/Target/XCore/XCoreInstrInfo.cpp b/lib/Target/XCore/XCoreInstrInfo.cpp
index 1fe1e5987c..449636185b 100644
--- a/lib/Target/XCore/XCoreInstrInfo.cpp
+++ b/lib/Target/XCore/XCoreInstrInfo.cpp
@@ -361,9 +361,8 @@ bool XCoreInstrInfo::copyRegToReg(MachineBasicBlock &MBB,
                                   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 == SrcRC) {
     if (DestRC == XCore::GRRegsRegisterClass) {
diff --git a/lib/Target/XCore/XCoreInstrInfo.h b/lib/Target/XCore/XCoreInstrInfo.h
index 3d8b9532d1..7f0a669965 100644
--- a/lib/Target/XCore/XCoreInstrInfo.h
+++ b/lib/Target/XCore/XCoreInstrInfo.h
@@ -67,7 +67,8 @@ public:
                             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 MI,