stop using DebugLoc::getUnknownLoc()


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100215 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/MachineInstr.cpp b/lib/CodeGen/MachineInstr.cpp
index 2ac76f3..39b7fb5 100644
--- a/lib/CodeGen/MachineInstr.cpp
+++ b/lib/CodeGen/MachineInstr.cpp
@@ -395,7 +395,7 @@
 /// TID NULL and no operands.
 MachineInstr::MachineInstr()
   : TID(0), NumImplicitOps(0), AsmPrinterFlags(0), MemRefs(0), MemRefsEnd(0),
-    Parent(0), debugLoc(DebugLoc::getUnknownLoc()) {
+    Parent(0) {
   // Make sure that we get added to a machine basicblock
   LeakDetector::addGarbageObject(this);
 }
@@ -415,8 +415,7 @@
 /// instructions with variable number of operands).
 MachineInstr::MachineInstr(const TargetInstrDesc &tid, bool NoImp)
   : TID(&tid), NumImplicitOps(0), AsmPrinterFlags(0),
-    MemRefs(0), MemRefsEnd(0), Parent(0),
-    debugLoc(DebugLoc::getUnknownLoc()) {
+    MemRefs(0), MemRefsEnd(0), Parent(0) {
   if (!NoImp && TID->getImplicitDefs())
     for (const unsigned *ImpDefs = TID->getImplicitDefs(); *ImpDefs; ++ImpDefs)
       NumImplicitOps++;
@@ -454,8 +453,7 @@
 ///
 MachineInstr::MachineInstr(MachineBasicBlock *MBB, const TargetInstrDesc &tid)
   : TID(&tid), NumImplicitOps(0), AsmPrinterFlags(0),
-    MemRefs(0), MemRefsEnd(0), Parent(0), 
-    debugLoc(DebugLoc::getUnknownLoc()) {
+    MemRefs(0), MemRefsEnd(0), Parent(0) {
   assert(MBB && "Cannot use inserting ctor with null basic block!");
   if (TID->ImplicitDefs)
     for (const unsigned *ImpDefs = TID->getImplicitDefs(); *ImpDefs; ++ImpDefs)
diff --git a/lib/CodeGen/MachineSSAUpdater.cpp b/lib/CodeGen/MachineSSAUpdater.cpp
index 2255dc3..b79cdbb 100644
--- a/lib/CodeGen/MachineSSAUpdater.cpp
+++ b/lib/CodeGen/MachineSSAUpdater.cpp
@@ -125,7 +125,7 @@
                            const TargetRegisterClass *RC,
                            MachineRegisterInfo *MRI, const TargetInstrInfo *TII) {
   unsigned NewVR = MRI->createVirtualRegister(RC);
-  return BuildMI(*BB, I, DebugLoc::getUnknownLoc(), TII->get(Opcode), NewVR);
+  return BuildMI(*BB, I, DebugLoc(), TII->get(Opcode), NewVR);
 }
                           
 /// GetValueInMiddleOfBlock - Construct SSA form, materializing a value that
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 39cdba7..3643ea7 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -794,8 +794,7 @@
 // EntryNode could meaningfully have debug info if we can find it...
 SelectionDAG::SelectionDAG(TargetLowering &tli, FunctionLoweringInfo &fli)
   : TLI(tli), FLI(fli), DW(0),
-    EntryNode(ISD::EntryToken, DebugLoc::getUnknownLoc(),
-              getVTList(MVT::Other)),
+    EntryNode(ISD::EntryToken, DebugLoc(), getVTList(MVT::Other)),
     Root(getEntryNode()), Ordering(0) {
   AllNodes.push_back(&EntryNode);
   Ordering = new SDNodeOrdering();
@@ -919,8 +918,7 @@
   if (VT.isVector()) {
     SmallVector<SDValue, 8> Ops;
     Ops.assign(VT.getVectorNumElements(), Result);
-    Result = getNode(ISD::BUILD_VECTOR, DebugLoc::getUnknownLoc(),
-                     VT, &Ops[0], Ops.size());
+    Result = getNode(ISD::BUILD_VECTOR, DebugLoc(), VT, &Ops[0], Ops.size());
   }
   return Result;
 }
@@ -963,8 +961,7 @@
     SmallVector<SDValue, 8> Ops;
     Ops.assign(VT.getVectorNumElements(), Result);
     // FIXME DebugLoc info might be appropriate here
-    Result = getNode(ISD::BUILD_VECTOR, DebugLoc::getUnknownLoc(),
-                     VT, &Ops[0], Ops.size());
+    Result = getNode(ISD::BUILD_VECTOR, DebugLoc(), VT, &Ops[0], Ops.size());
   }
   return Result;
 }
@@ -5335,8 +5332,7 @@
 
 GlobalAddressSDNode::GlobalAddressSDNode(unsigned Opc, const GlobalValue *GA,
                                          EVT VT, int64_t o, unsigned char TF)
-  : SDNode(Opc, DebugLoc::getUnknownLoc(), getSDVTList(VT)),
-    Offset(o), TargetFlags(TF) {
+  : SDNode(Opc, DebugLoc(), getSDVTList(VT)), Offset(o), TargetFlags(TF) {
   TheGlobal = const_cast<GlobalValue*>(GA);
 }
 
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index 59ac24b..879bdb2 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -546,7 +546,7 @@
   PendingExports.clear();
   EdgeMapping.clear();
   DAG.clear();
-  CurDebugLoc = DebugLoc::getUnknownLoc();
+  CurDebugLoc = DebugLoc();
   HasTailCall = false;
 }
 
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
index bc4b33d..9f02772 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
@@ -306,10 +306,8 @@
   SelectionDAGBuilder(SelectionDAG &dag, TargetLowering &tli,
                       FunctionLoweringInfo &funcinfo,
                       CodeGenOpt::Level ol)
-    : CurDebugLoc(DebugLoc::getUnknownLoc()), SDNodeOrder(0),
-      TLI(tli), DAG(dag), FuncInfo(funcinfo), OptLevel(ol),
-      HasTailCall(false),
-      Context(dag.getContext()) {
+    : SDNodeOrder(0), TLI(tli), DAG(dag), FuncInfo(funcinfo), OptLevel(ol),
+      HasTailCall(false), Context(dag.getContext()) {
   }
 
   void init(GCFunctionInfo *gfi, AliasAnalysis &aa);
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index 963abd9..d54566b 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -384,9 +384,9 @@
 
 /// ResetDebugLoc - Set MF's and SDB's DebugLocs to Unknown.
 static void ResetDebugLoc(SelectionDAGBuilder *SDB, FastISel *FastIS) {
-  SDB->setCurDebugLoc(DebugLoc::getUnknownLoc());
+  SDB->setCurDebugLoc(DebugLoc());
   if (FastIS)
-    FastIS->setCurDebugLoc(DebugLoc::getUnknownLoc());
+    FastIS->setCurDebugLoc(DebugLoc());
 }
 
 void SelectionDAGISel::SelectBasicBlock(BasicBlock *LLVMBB,