use DebugLoc default ctor instead of DebugLoc::getUnknownLoc()


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100214 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Mips/MipsInstrInfo.cpp b/lib/Target/Mips/MipsInstrInfo.cpp
index 85cf064..dbd3c24 100644
--- a/lib/Target/Mips/MipsInstrInfo.cpp
+++ b/lib/Target/Mips/MipsInstrInfo.cpp
@@ -123,7 +123,7 @@
 void MipsInstrInfo::
 insertNoop(MachineBasicBlock &MBB, MachineBasicBlock::iterator MI) const 
 {
-  DebugLoc DL = DebugLoc::getUnknownLoc();
+  DebugLoc DL;
   if (MI != MBB.end()) DL = MI->getDebugLoc();
   BuildMI(MBB, MI, DL, get(Mips::NOP));
 }
@@ -133,7 +133,7 @@
              unsigned DestReg, unsigned SrcReg,
              const TargetRegisterClass *DestRC,
              const TargetRegisterClass *SrcRC) const {
-  DebugLoc DL = DebugLoc::getUnknownLoc();
+  DebugLoc DL;
   
   if (I != MBB.end()) DL = I->getDebugLoc();
 
@@ -191,7 +191,7 @@
 storeRegToStackSlot(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
                     unsigned SrcReg, bool isKill, int FI, 
                     const TargetRegisterClass *RC) const {
-  DebugLoc DL = DebugLoc::getUnknownLoc();
+  DebugLoc DL;
   if (I != MBB.end()) DL = I->getDebugLoc();
 
   if (RC == Mips::CPURegsRegisterClass) 
@@ -225,7 +225,7 @@
                      unsigned DestReg, int FI,
                      const TargetRegisterClass *RC) const 
 {
-  DebugLoc DL = DebugLoc::getUnknownLoc();
+  DebugLoc DL;
   if (I != MBB.end()) DL = I->getDebugLoc();
 
   if (RC == Mips::CPURegsRegisterClass) 
@@ -523,7 +523,7 @@
              MachineBasicBlock *FBB,
              const SmallVectorImpl<MachineOperand> &Cond) const {
   // FIXME this should probably have a DebugLoc argument
-  DebugLoc dl = DebugLoc::getUnknownLoc();
+  DebugLoc dl;
   // Shouldn't be a fall through.
   assert(TBB && "InsertBranch must not be told to insert a fallthrough");
   assert((Cond.size() == 3 || Cond.size() == 2 || Cond.size() == 0) &&
diff --git a/lib/Target/Mips/MipsRegisterInfo.cpp b/lib/Target/Mips/MipsRegisterInfo.cpp
index f3c87bc..f43e69b 100644
--- a/lib/Target/Mips/MipsRegisterInfo.cpp
+++ b/lib/Target/Mips/MipsRegisterInfo.cpp
@@ -397,8 +397,7 @@
   MachineFrameInfo *MFI    = MF.getFrameInfo();
   MipsFunctionInfo *MipsFI = MF.getInfo<MipsFunctionInfo>();
   MachineBasicBlock::iterator MBBI = MBB.begin();
-  DebugLoc dl = (MBBI != MBB.end() ?
-                 MBBI->getDebugLoc() : DebugLoc::getUnknownLoc());
+  DebugLoc dl = MBBI != MBB.end() ? MBBI->getDebugLoc() : DebugLoc();
   bool isPIC = (MF.getTarget().getRelocationModel() == Reloc::PIC_);
 
   // Get the right frame order for Mips.