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/MSP430/MSP430InstrInfo.cpp b/lib/Target/MSP430/MSP430InstrInfo.cpp
index e584770..0381904 100644
--- a/lib/Target/MSP430/MSP430InstrInfo.cpp
+++ b/lib/Target/MSP430/MSP430InstrInfo.cpp
@@ -33,7 +33,7 @@
                                           MachineBasicBlock::iterator MI,
                                     unsigned SrcReg, bool isKill, int FrameIdx,
                                     const TargetRegisterClass *RC) const {
-  DebugLoc DL = DebugLoc::getUnknownLoc();
+  DebugLoc DL;
   if (MI != MBB.end()) DL = MI->getDebugLoc();
   MachineFunction &MF = *MBB.getParent();
   MachineFrameInfo &MFI = *MF.getFrameInfo();
@@ -60,7 +60,7 @@
                                            MachineBasicBlock::iterator MI,
                                            unsigned DestReg, int FrameIdx,
                                            const TargetRegisterClass *RC) const{
-  DebugLoc DL = DebugLoc::getUnknownLoc();
+  DebugLoc DL;
   if (MI != MBB.end()) DL = MI->getDebugLoc();
   MachineFunction &MF = *MBB.getParent();
   MachineFrameInfo &MFI = *MF.getFrameInfo();
@@ -86,7 +86,7 @@
                                    unsigned DestReg, unsigned SrcReg,
                                    const TargetRegisterClass *DestRC,
                                    const TargetRegisterClass *SrcRC) const {
-  DebugLoc DL = DebugLoc::getUnknownLoc();
+  DebugLoc DL;
   if (I != MBB.end()) DL = I->getDebugLoc();
 
   if (DestRC == SrcRC) {
@@ -134,7 +134,7 @@
   if (CSI.empty())
     return false;
 
-  DebugLoc DL = DebugLoc::getUnknownLoc();
+  DebugLoc DL;
   if (MI != MBB.end()) DL = MI->getDebugLoc();
 
   MachineFunction &MF = *MBB.getParent();
@@ -158,7 +158,7 @@
   if (CSI.empty())
     return false;
 
-  DebugLoc DL = DebugLoc::getUnknownLoc();
+  DebugLoc DL;
   if (MI != MBB.end()) DL = MI->getDebugLoc();
 
   for (unsigned i = 0, e = CSI.size(); i != e; ++i)
@@ -323,7 +323,7 @@
                               MachineBasicBlock *FBB,
                             const SmallVectorImpl<MachineOperand> &Cond) const {
   // FIXME this should probably have a DebugLoc operand
-  DebugLoc dl = DebugLoc::getUnknownLoc();
+  DebugLoc DL;
 
   // Shouldn't be a fall through.
   assert(TBB && "InsertBranch must not be told to insert a fallthrough");
@@ -333,18 +333,18 @@
   if (Cond.empty()) {
     // Unconditional branch?
     assert(!FBB && "Unconditional branch with multiple successors!");
-    BuildMI(&MBB, dl, get(MSP430::JMP)).addMBB(TBB);
+    BuildMI(&MBB, DL, get(MSP430::JMP)).addMBB(TBB);
     return 1;
   }
 
   // Conditional branch.
   unsigned Count = 0;
-  BuildMI(&MBB, dl, get(MSP430::JCC)).addMBB(TBB).addImm(Cond[0].getImm());
+  BuildMI(&MBB, DL, get(MSP430::JCC)).addMBB(TBB).addImm(Cond[0].getImm());
   ++Count;
 
   if (FBB) {
     // Two-way Conditional branch. Insert the second branch.
-    BuildMI(&MBB, dl, get(MSP430::JMP)).addMBB(FBB);
+    BuildMI(&MBB, DL, get(MSP430::JMP)).addMBB(FBB);
     ++Count;
   }
   return Count;