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/X86/X86FloatingPointRegKill.cpp b/lib/Target/X86/X86FloatingPointRegKill.cpp
index 6a117dd..541083f 100644
--- a/lib/Target/X86/X86FloatingPointRegKill.cpp
+++ b/lib/Target/X86/X86FloatingPointRegKill.cpp
@@ -129,7 +129,7 @@
     }
     // Finally, if we found any FP code, emit the FP_REG_KILL instruction.
     if (ContainsFPCode) {
-      BuildMI(*MBB, MBBI->getFirstTerminator(), DebugLoc::getUnknownLoc(),
+      BuildMI(*MBB, MBBI->getFirstTerminator(), DebugLoc(),
               MF.getTarget().getInstrInfo()->get(X86::FP_REG_KILL));
       ++NumFPKill;
       Changed = true;
diff --git a/lib/Target/X86/X86ISelDAGToDAG.cpp b/lib/Target/X86/X86ISelDAGToDAG.cpp
index 1c0ed7e..da45dac 100644
--- a/lib/Target/X86/X86ISelDAGToDAG.cpp
+++ b/lib/Target/X86/X86ISelDAGToDAG.cpp
@@ -542,7 +542,7 @@
                                              MachineFrameInfo *MFI) {
   const TargetInstrInfo *TII = TM.getInstrInfo();
   if (Subtarget->isTargetCygMing())
-    BuildMI(BB, DebugLoc::getUnknownLoc(),
+    BuildMI(BB, DebugLoc(),
             TII->get(X86::CALLpcrel32)).addExternalSymbol("__main");
 }
 
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index f46586a..527e19b 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -1149,8 +1149,7 @@
   if (!Subtarget->is64Bit())
     // This doesn't have DebugLoc associated with it, but is not really the
     // same as a Register.
-    return DAG.getNode(X86ISD::GlobalBaseReg, DebugLoc::getUnknownLoc(),
-                       getPointerTy());
+    return DAG.getNode(X86ISD::GlobalBaseReg, DebugLoc(), getPointerTy());
   return Table;
 }
 
@@ -1931,8 +1930,7 @@
     if (!isTailCall) {
       Chain = DAG.getCopyToReg(Chain, dl, X86::EBX,
                                DAG.getNode(X86ISD::GlobalBaseReg,
-                                           DebugLoc::getUnknownLoc(),
-                                           getPointerTy()),
+                                           DebugLoc(), getPointerTy()),
                                InFlag);
       InFlag = Chain.getValue(1);
     } else {
@@ -5061,7 +5059,7 @@
   if (OpFlag) {
     Result = DAG.getNode(ISD::ADD, DL, getPointerTy(),
                          DAG.getNode(X86ISD::GlobalBaseReg,
-                                     DebugLoc::getUnknownLoc(), getPointerTy()),
+                                     DebugLoc(), getPointerTy()),
                          Result);
   }
 
@@ -5094,7 +5092,7 @@
   if (OpFlag) {
     Result = DAG.getNode(ISD::ADD, DL, getPointerTy(),
                          DAG.getNode(X86ISD::GlobalBaseReg,
-                                     DebugLoc::getUnknownLoc(), getPointerTy()),
+                                     DebugLoc(), getPointerTy()),
                          Result);
   }
 
@@ -5130,8 +5128,7 @@
       !Subtarget->is64Bit()) {
     Result = DAG.getNode(ISD::ADD, DL, getPointerTy(),
                          DAG.getNode(X86ISD::GlobalBaseReg,
-                                     DebugLoc::getUnknownLoc(),
-                                     getPointerTy()),
+                                     DebugLoc(), getPointerTy()),
                          Result);
   }
 
@@ -5253,8 +5250,7 @@
   DebugLoc dl = GA->getDebugLoc();  // ? function entry point might be better
   SDValue Chain = DAG.getCopyToReg(DAG.getEntryNode(), dl, X86::EBX,
                                      DAG.getNode(X86ISD::GlobalBaseReg,
-                                                 DebugLoc::getUnknownLoc(),
-                                                 PtrVT), InFlag);
+                                                 DebugLoc(), PtrVT), InFlag);
   InFlag = Chain.getValue(1);
 
   return GetTLSADDR(DAG, Chain, GA, &InFlag, PtrVT, X86::EAX, X86II::MO_TLSGD);
@@ -5276,7 +5272,7 @@
   DebugLoc dl = GA->getDebugLoc();
   // Get the Thread Pointer
   SDValue Base = DAG.getNode(X86ISD::SegmentBaseAddress,
-                             DebugLoc::getUnknownLoc(), PtrVT,
+                             DebugLoc(), PtrVT,
                              DAG.getRegister(is64Bit? X86::FS : X86::GS,
                                              MVT::i32));
 
diff --git a/lib/Target/X86/X86InstrInfo.cpp b/lib/Target/X86/X86InstrInfo.cpp
index c0c9d98..fcb9947 100644
--- a/lib/Target/X86/X86InstrInfo.cpp
+++ b/lib/Target/X86/X86InstrInfo.cpp
@@ -1803,7 +1803,7 @@
                            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");
   assert((Cond.size() == 1 || Cond.size() == 0) &&
@@ -2107,7 +2107,7 @@
                                   SmallVectorImpl<MachineInstr*> &NewMIs) const {
   bool isAligned = (*MMOBegin)->getAlignment() >= 16;
   unsigned Opc = getStoreRegOpcode(SrcReg, RC, isAligned, TM);
-  DebugLoc DL = DebugLoc::getUnknownLoc();
+  DebugLoc DL;
   MachineInstrBuilder MIB = BuildMI(MF, DL, get(Opc));
   for (unsigned i = 0, e = Addr.size(); i != e; ++i)
     MIB.addOperand(Addr[i]);
@@ -2202,7 +2202,7 @@
                                  SmallVectorImpl<MachineInstr*> &NewMIs) const {
   bool isAligned = (*MMOBegin)->getAlignment() >= 16;
   unsigned Opc = getLoadRegOpcode(DestReg, RC, isAligned, TM);
-  DebugLoc DL = DebugLoc::getUnknownLoc();
+  DebugLoc DL;
   MachineInstrBuilder MIB = BuildMI(MF, DL, get(Opc), DestReg);
   for (unsigned i = 0, e = Addr.size(); i != e; ++i)
     MIB.addOperand(Addr[i]);