4 files changed, 4 insertions, 22 deletions
diff --git a/lib/CodeGen/MachineFunction.cpp b/lib/CodeGen/MachineFunction.cpp
index 85532407ca..962362761f 100644
--- a/lib/CodeGen/MachineFunction.cpp
+++ b/lib/CodeGen/MachineFunction.cpp
@@ -396,8 +396,7 @@ void MachineFunction::viewCFGOnly() const
 /// addLiveIn - Add the specified physical register as a live-in value and
 /// create a corresponding virtual register for it.
 unsigned MachineFunction::addLiveIn(unsigned PReg,
-                                    const TargetRegisterClass *RC,
-                                    DebugLoc DL) {
+                                    const TargetRegisterClass *RC) {
   MachineRegisterInfo &MRI = getRegInfo();
   unsigned VReg = MRI.getLiveInVirtReg(PReg);
   if (VReg) {
@@ -406,7 +405,6 @@ unsigned MachineFunction::addLiveIn(unsigned PReg,
   }
   VReg = MRI.createVirtualRegister(RC);
   MRI.addLiveIn(PReg, VReg);
-  MRI.addLiveInLoc(VReg, DL);
   return VReg;
 }
 
diff --git a/lib/CodeGen/MachineRegisterInfo.cpp b/lib/CodeGen/MachineRegisterInfo.cpp
index b3fb33736f..7244d5f03a 100644
--- a/lib/CodeGen/MachineRegisterInfo.cpp
+++ b/lib/CodeGen/MachineRegisterInfo.cpp
@@ -210,15 +210,8 @@ MachineRegisterInfo::EmitLiveInCopies(MachineBasicBlock *EntryMBB,
         LiveIns.erase(LiveIns.begin() + i);
         --i; --e;
       } else {
-        DebugLoc DL;
-        // If there is a location for this live in then use it.
-        DenseMap<unsigned, DebugLoc>::iterator DLI = 
-          LiveInLocs.find(LiveIns[i].second);
-        if (DLI != LiveInLocs.end())
-          DL = DLI->second;
-
         // Emit a copy.
-        BuildMI(*EntryMBB, EntryMBB->begin(), DL,
+        BuildMI(*EntryMBB, EntryMBB->begin(), DebugLoc(),
                 TII.get(TargetOpcode::COPY), LiveIns[i].second)
           .addReg(LiveIns[i].first);
 
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
index a1a70c394a..8f466d913b 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
@@ -348,7 +348,7 @@ public:
   SDValue getControlRoot();
 
   DebugLoc getCurDebugLoc() const { return CurDebugLoc; }
-  void setCurDebugLoc(DebugLoc dl){ CurDebugLoc = dl; }
+
   unsigned getSDNodeOrder() const { return SDNodeOrder; }
 
   void CopyValueToVirtualRegister(const Value *V, unsigned Reg);
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index 62ebc81ef8..ae63f2e657 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -851,17 +851,8 @@ void SelectionDAGISel::SelectAllBasicBlocks(const Function &Fn) {
       PrepareEHLandingPad();
 
     // Lower any arguments needed in this block if this is the entry block.
-    if (LLVMBB == &Fn.getEntryBlock()) {
-      for (BasicBlock::const_iterator DBI = LLVMBB->begin(), DBE = LLVMBB->end();
-           DBI != DBE; ++DBI) {
-        if (const DbgInfoIntrinsic *DI = dyn_cast<DbgInfoIntrinsic>(DBI)) {
-          const DebugLoc DL = DI->getDebugLoc();
-          SDB->setCurDebugLoc(DL);
-          break;
-        }
-      }
+    if (LLVMBB == &Fn.getEntryBlock())
       LowerArguments(LLVMBB);
-    }
 
     // Before doing SelectionDAG ISel, see if FastISel has been requested.
     if (FastIS) {