use findDebugLoc in more places.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94477 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86InstrInfo.cpp b/lib/Target/X86/X86InstrInfo.cpp
index 3ae352cc4d756f19705274419574f8bae4f9b89a..76c48c312f7260195f69548350102bbe253cb0a6 100644 (file)
--- a/lib/Target/X86/X86InstrInfo.cpp
+++ b/lib/Target/X86/X86InstrInfo.cpp
@@ -1060,8 +1060,7 @@ void X86InstrInfo::reMaterialize(MachineBasicBlock &MBB,
                                  unsigned DestReg, unsigned SubIdx,
                                  const MachineInstr *Orig,
                                  const TargetRegisterInfo *TRI) const {
-  DebugLoc DL = DebugLoc::getUnknownLoc();
-  if (I != MBB.end()) DL = I->getDebugLoc();
+  DebugLoc DL = MBB.findDebugLoc(I);
 
   if (SubIdx && TargetRegisterInfo::isPhysicalRegister(DestReg)) {
     DestReg = TRI->getSubReg(DestReg, SubIdx);
@@ -1851,8 +1850,7 @@ bool X86InstrInfo::copyRegToReg(MachineBasicBlock &MBB,
                                 unsigned DestReg, unsigned SrcReg,
                                 const TargetRegisterClass *DestRC,
                                 const TargetRegisterClass *SrcRC) const {
-  DebugLoc DL = DebugLoc::getUnknownLoc();
-  if (MI != MBB.end()) DL = MI->getDebugLoc();
+  DebugLoc DL = MBB.findDebugLoc(MI);
 
   // Determine if DstRC and SrcRC have a common superclass in common.
   const TargetRegisterClass *CommonRC = DestRC;
@@ -2079,8 +2077,7 @@ void X86InstrInfo::storeRegToStackSlot(MachineBasicBlock &MBB,
   const MachineFunction &MF = *MBB.getParent();
   bool isAligned = (RI.getStackAlignment() >= 16) || RI.canRealignStack(MF);
   unsigned Opc = getStoreRegOpcode(SrcReg, RC, isAligned, TM);
-  DebugLoc DL = DebugLoc::getUnknownLoc();
-  if (MI != MBB.end()) DL = MI->getDebugLoc();
+  DebugLoc DL = MBB.findDebugLoc(MI);
   addFrameReference(BuildMI(MBB, MI, DL, get(Opc)), FrameIdx)
     .addReg(SrcReg, getKillRegState(isKill));
 }
@@ -2173,8 +2170,7 @@ void X86InstrInfo::loadRegFromStackSlot(MachineBasicBlock &MBB,
   const MachineFunction &MF = *MBB.getParent();
   bool isAligned = (RI.getStackAlignment() >= 16) || RI.canRealignStack(MF);
   unsigned Opc = getLoadRegOpcode(DestReg, RC, isAligned, TM);
-  DebugLoc DL = DebugLoc::getUnknownLoc();
-  if (MI != MBB.end()) DL = MI->getDebugLoc();
+  DebugLoc DL = MBB.findDebugLoc(MI);
   addFrameReference(BuildMI(MBB, MI, DL, get(Opc), DestReg), FrameIdx);
 }
 
@@ -3619,8 +3615,7 @@ unsigned X86InstrInfo::getGlobalBaseReg(MachineFunction *MF) const {
   // Insert the set of GlobalBaseReg into the first MBB of the function
   MachineBasicBlock &FirstMBB = MF->front();
   MachineBasicBlock::iterator MBBI = FirstMBB.begin();
-  DebugLoc DL = DebugLoc::getUnknownLoc();
-  if (MBBI != FirstMBB.end()) DL = MBBI->getDebugLoc();
+  DebugLoc DL = FirstMBB.findDebugLoc(MBBI);
   MachineRegisterInfo &RegInfo = MF->getRegInfo();
   unsigned PC = RegInfo.createVirtualRegister(X86::GR32RegisterClass);