diff --git a/include/llvm/CodeGen/MachineFunction.h b/include/llvm/CodeGen/MachineFunction.h
index f56c053..abeaa4f 100644
--- a/include/llvm/CodeGen/MachineFunction.h
+++ b/include/llvm/CodeGen/MachineFunction.h
@@ -281,7 +281,7 @@
 
   /// addLiveIn - Add the specified physical register as a live-in value and
   /// create a corresponding virtual register for it.
-  unsigned addLiveIn(unsigned PReg, const TargetRegisterClass *RC);
+  unsigned addLiveIn(unsigned PReg, const TargetRegisterClass *RC, DebugLoc DL);
 
   //===--------------------------------------------------------------------===//
   // BasicBlock accessor functions.
diff --git a/include/llvm/CodeGen/MachineRegisterInfo.h b/include/llvm/CodeGen/MachineRegisterInfo.h
index 74df8da..79ff714 100644
--- a/include/llvm/CodeGen/MachineRegisterInfo.h
+++ b/include/llvm/CodeGen/MachineRegisterInfo.h
@@ -17,6 +17,8 @@
 #include "llvm/Target/TargetRegisterInfo.h"
 #include "llvm/ADT/BitVector.h"
 #include "llvm/ADT/IndexedMap.h"
+#include "llvm/ADT/DenseMap.h"
+#include "llvm/Support/DebugLoc.h"
 #include <vector>
 
 namespace llvm {
@@ -64,7 +66,10 @@
   /// stored in the second element.
   std::vector<std::pair<unsigned, unsigned> > LiveIns;
   std::vector<unsigned> LiveOuts;
-  
+
+  /// LiveInLocs - Keep track of location livein registers.
+  DenseMap<unsigned, DebugLoc> LiveInLocs;
+
   MachineRegisterInfo(const MachineRegisterInfo&); // DO NOT IMPLEMENT
   void operator=(const MachineRegisterInfo&);      // DO NOT IMPLEMENT
 public:
@@ -271,7 +276,12 @@
     LiveIns.push_back(std::make_pair(Reg, vreg));
   }
   void addLiveOut(unsigned Reg) { LiveOuts.push_back(Reg); }
-  
+
+  /// addLiveInLoc - Keep track of location info for live in reg.
+  void addLiveInLoc(unsigned VReg, DebugLoc DL) {
+    LiveInLocs[VReg] = DL;
+  }
+
   // Iteration support for live in/out sets.  These sets are kept in sorted
   // order by their register number.
   typedef std::vector<std::pair<unsigned,unsigned> >::const_iterator
diff --git a/lib/CodeGen/MachineFunction.cpp b/lib/CodeGen/MachineFunction.cpp
index 9623627..8553240 100644
--- a/lib/CodeGen/MachineFunction.cpp
+++ b/lib/CodeGen/MachineFunction.cpp
@@ -396,7 +396,8 @@
 /// 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) {
+                                    const TargetRegisterClass *RC,
+                                    DebugLoc DL) {
   MachineRegisterInfo &MRI = getRegInfo();
   unsigned VReg = MRI.getLiveInVirtReg(PReg);
   if (VReg) {
@@ -405,6 +406,7 @@
   }
   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 7244d5f..b3fb337 100644
--- a/lib/CodeGen/MachineRegisterInfo.cpp
+++ b/lib/CodeGen/MachineRegisterInfo.cpp
@@ -210,8 +210,15 @@
         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(), DebugLoc(),
+        BuildMI(*EntryMBB, EntryMBB->begin(), DL,
                 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 8f466d9..a1a70c3 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
@@ -348,7 +348,7 @@
   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 ae63f2e..62ebc81 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -851,8 +851,17 @@
       PrepareEHLandingPad();
 
     // Lower any arguments needed in this block if this is the entry block.
-    if (LLVMBB == &Fn.getEntryBlock())
+    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;
+        }
+      }
       LowerArguments(LLVMBB);
+    }
 
     // Before doing SelectionDAG ISel, see if FastISel has been requested.
     if (FastIS) {
diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp
index ade00c6..5055767 100644
--- a/lib/Target/ARM/ARMISelLowering.cpp
+++ b/lib/Target/ARM/ARMISelLowering.cpp
@@ -2212,7 +2212,7 @@
     RC = ARM::GPRRegisterClass;
 
   // Transform the arguments stored in physical registers into virtual ones.
-  unsigned Reg = MF.addLiveIn(VA.getLocReg(), RC);
+  unsigned Reg = MF.addLiveIn(VA.getLocReg(), RC, dl);
   SDValue ArgValue = DAG.getCopyFromReg(Root, dl, Reg, MVT::i32);
 
   SDValue ArgValue2;
@@ -2226,7 +2226,7 @@
                             MachinePointerInfo::getFixedStack(FI),
                             false, false, 0);
   } else {
-    Reg = MF.addLiveIn(NextVA.getLocReg(), RC);
+    Reg = MF.addLiveIn(NextVA.getLocReg(), RC, dl);
     ArgValue2 = DAG.getCopyFromReg(Root, dl, Reg, MVT::i32);
   }
 
@@ -2307,7 +2307,7 @@
           llvm_unreachable("RegVT not supported by FORMAL_ARGUMENTS Lowering");
 
         // Transform the arguments in physical registers into virtual ones.
-        unsigned Reg = MF.addLiveIn(VA.getLocReg(), RC);
+        unsigned Reg = MF.addLiveIn(VA.getLocReg(), RC, dl);
         ArgValue = DAG.getCopyFromReg(Chain, dl, Reg, RegVT);
       }
 
@@ -2384,7 +2384,7 @@
         else
           RC = ARM::GPRRegisterClass;
 
-        unsigned VReg = MF.addLiveIn(GPRArgRegs[NumGPRs], RC);
+        unsigned VReg = MF.addLiveIn(GPRArgRegs[NumGPRs], RC, dl);
         SDValue Val = DAG.getCopyFromReg(Chain, dl, VReg, MVT::i32);
         SDValue Store =
           DAG.getStore(Val.getValue(1), dl, Val, FIN,
@@ -2839,7 +2839,7 @@
   }
 
   // Return LR, which contains the return address. Mark it an implicit live-in.
-  unsigned Reg = MF.addLiveIn(ARM::LR, getRegClassFor(MVT::i32));
+  unsigned Reg = MF.addLiveIn(ARM::LR, getRegClassFor(MVT::i32), dl);
   return DAG.getCopyFromReg(DAG.getEntryNode(), dl, Reg, VT);
 }
 
diff --git a/lib/Target/CellSPU/SPUISelLowering.cpp b/lib/Target/CellSPU/SPUISelLowering.cpp
index e218fb9..e6511d0 100644
--- a/lib/Target/CellSPU/SPUISelLowering.cpp
+++ b/lib/Target/CellSPU/SPUISelLowering.cpp
@@ -1219,7 +1219,7 @@
       FuncInfo->setVarArgsFrameIndex(
         MFI->CreateFixedObject(StackSlotSize, ArgOffset, true));
       SDValue FIN = DAG.getFrameIndex(FuncInfo->getVarArgsFrameIndex(), PtrVT);
-      unsigned VReg = MF.addLiveIn(ArgRegs[ArgRegIdx], &SPU::R32CRegClass);
+      unsigned VReg = MF.addLiveIn(ArgRegs[ArgRegIdx], &SPU::R32CRegClass, dl);
       SDValue ArgVal = DAG.getRegister(VReg, MVT::v16i8);
       SDValue Store = DAG.getStore(Chain, dl, ArgVal, FIN, MachinePointerInfo(),
                                    false, false, 0);
diff --git a/lib/Target/MBlaze/MBlazeISelLowering.cpp b/lib/Target/MBlaze/MBlazeISelLowering.cpp
index f39826b..2f40bfc 100644
--- a/lib/Target/MBlaze/MBlazeISelLowering.cpp
+++ b/lib/Target/MBlaze/MBlazeISelLowering.cpp
@@ -907,7 +907,7 @@
 
       // Transform the arguments stored on
       // physical registers into virtual ones
-      unsigned Reg = MF.addLiveIn(ArgRegEnd, RC);
+      unsigned Reg = MF.addLiveIn(ArgRegEnd, RC, dl);
       SDValue ArgValue = DAG.getCopyFromReg(Chain, dl, Reg, RegVT);
 
       // If this is an 8 or 16-bit value, it has been passed promoted
@@ -973,7 +973,7 @@
 
     for (; Start <= End; ++Start, ++StackLoc) {
       unsigned Reg = MBlazeRegisterInfo::getRegisterFromNumbering(Start);
-      unsigned LiveReg = MF.addLiveIn(Reg, RC);
+      unsigned LiveReg = MF.addLiveIn(Reg, RC, dl);
       SDValue ArgValue = DAG.getCopyFromReg(Chain, dl, LiveReg, MVT::i32);
 
       int FI = MFI->CreateFixedObject(4, 0, true);
diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp
index d8088d2..6c37313 100644
--- a/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -1597,7 +1597,7 @@
       }
 
       // Transform the arguments stored in physical registers into virtual ones.
-      unsigned Reg = MF.addLiveIn(VA.getLocReg(), RC);
+      unsigned Reg = MF.addLiveIn(VA.getLocReg(), RC, dl);
       SDValue ArgValue = DAG.getCopyFromReg(Chain, dl, Reg, ValVT);
 
       InVals.push_back(ArgValue);
@@ -1689,7 +1689,7 @@
       // Get an existing live-in vreg, or add a new one.
       unsigned VReg = MF.getRegInfo().getLiveInVirtReg(GPArgRegs[GPRIndex]);
       if (!VReg)
-        VReg = MF.addLiveIn(GPArgRegs[GPRIndex], &PPC::GPRCRegClass);
+        VReg = MF.addLiveIn(GPArgRegs[GPRIndex], &PPC::GPRCRegClass, dl);
 
       SDValue Val = DAG.getCopyFromReg(Chain, dl, VReg, PtrVT);
       SDValue Store = DAG.getStore(Val.getValue(1), dl, Val, FIN,
@@ -1708,7 +1708,7 @@
       // Get an existing live-in vreg, or add a new one.
       unsigned VReg = MF.getRegInfo().getLiveInVirtReg(FPArgRegs[FPRIndex]);
       if (!VReg)
-        VReg = MF.addLiveIn(FPArgRegs[FPRIndex], &PPC::F8RCRegClass);
+        VReg = MF.addLiveIn(FPArgRegs[FPRIndex], &PPC::F8RCRegClass, dl);
 
       SDValue Val = DAG.getCopyFromReg(Chain, dl, VReg, MVT::f64);
       SDValue Store = DAG.getStore(Val.getValue(1), dl, Val, FIN,
@@ -1872,7 +1872,7 @@
       InVals.push_back(FIN);
       if (ObjSize==1 || ObjSize==2) {
         if (GPR_idx != Num_GPR_Regs) {
-          unsigned VReg = MF.addLiveIn(GPR[GPR_idx], &PPC::GPRCRegClass);
+          unsigned VReg = MF.addLiveIn(GPR[GPR_idx], &PPC::GPRCRegClass, dl);
           SDValue Val = DAG.getCopyFromReg(Chain, dl, VReg, PtrVT);
           SDValue Store = DAG.getTruncStore(Val.getValue(1), dl, Val, FIN,
                                             MachinePointerInfo(),
@@ -1891,7 +1891,7 @@
         // to memory.  ArgVal will be address of the beginning of
         // the object.
         if (GPR_idx != Num_GPR_Regs) {
-          unsigned VReg = MF.addLiveIn(GPR[GPR_idx], &PPC::GPRCRegClass);
+          unsigned VReg = MF.addLiveIn(GPR[GPR_idx], &PPC::GPRCRegClass, dl);
           int FI = MFI->CreateFixedObject(PtrByteSize, ArgOffset, true);
           SDValue FIN = DAG.getFrameIndex(FI, PtrVT);
           SDValue Val = DAG.getCopyFromReg(Chain, dl, VReg, PtrVT);
@@ -1914,7 +1914,7 @@
     case MVT::i32:
       if (!isPPC64) {
         if (GPR_idx != Num_GPR_Regs) {
-          unsigned VReg = MF.addLiveIn(GPR[GPR_idx], &PPC::GPRCRegClass);
+          unsigned VReg = MF.addLiveIn(GPR[GPR_idx], &PPC::GPRCRegClass, dl);
           ArgVal = DAG.getCopyFromReg(Chain, dl, VReg, MVT::i32);
           ++GPR_idx;
         } else {
@@ -1928,7 +1928,7 @@
       // FALLTHROUGH
     case MVT::i64:  // PPC64
       if (GPR_idx != Num_GPR_Regs) {
-        unsigned VReg = MF.addLiveIn(GPR[GPR_idx], &PPC::G8RCRegClass);
+        unsigned VReg = MF.addLiveIn(GPR[GPR_idx], &PPC::G8RCRegClass, dl);
         ArgVal = DAG.getCopyFromReg(Chain, dl, VReg, MVT::i64);
 
         if (ObjectVT == MVT::i32) {
@@ -1966,9 +1966,9 @@
         unsigned VReg;
 
         if (ObjectVT == MVT::f32)
-          VReg = MF.addLiveIn(FPR[FPR_idx], &PPC::F4RCRegClass);
+          VReg = MF.addLiveIn(FPR[FPR_idx], &PPC::F4RCRegClass, dl);
         else
-          VReg = MF.addLiveIn(FPR[FPR_idx], &PPC::F8RCRegClass);
+          VReg = MF.addLiveIn(FPR[FPR_idx], &PPC::F8RCRegClass, dl);
 
         ArgVal = DAG.getCopyFromReg(Chain, dl, VReg, ObjectVT);
         ++FPR_idx;
@@ -1986,7 +1986,7 @@
       // Note that vector arguments in registers don't reserve stack space,
       // except in varargs functions.
       if (VR_idx != Num_VR_Regs) {
-        unsigned VReg = MF.addLiveIn(VR[VR_idx], &PPC::VRRCRegClass);
+        unsigned VReg = MF.addLiveIn(VR[VR_idx], &PPC::VRRCRegClass, dl);
         ArgVal = DAG.getCopyFromReg(Chain, dl, VReg, ObjectVT);
         if (isVarArg) {
           while ((ArgOffset % 16) != 0) {
@@ -2064,9 +2064,9 @@
       unsigned VReg;
 
       if (isPPC64)
-        VReg = MF.addLiveIn(GPR[GPR_idx], &PPC::G8RCRegClass);
+        VReg = MF.addLiveIn(GPR[GPR_idx], &PPC::G8RCRegClass, dl);
       else
-        VReg = MF.addLiveIn(GPR[GPR_idx], &PPC::GPRCRegClass);
+        VReg = MF.addLiveIn(GPR[GPR_idx], &PPC::GPRCRegClass, dl);
 
       SDValue Val = DAG.getCopyFromReg(Chain, dl, VReg, PtrVT);
       SDValue Store = DAG.getStore(Val.getValue(1), dl, Val, FIN,
diff --git a/lib/Target/Sparc/SparcISelLowering.cpp b/lib/Target/Sparc/SparcISelLowering.cpp
index 515d9d7..079390e 100644
--- a/lib/Target/Sparc/SparcISelLowering.cpp
+++ b/lib/Target/Sparc/SparcISelLowering.cpp
@@ -194,7 +194,7 @@
                               false, false, 0);
         } else {
           unsigned loReg = MF.addLiveIn(NextVA.getLocReg(),
-                                        &SP::IntRegsRegClass);
+                                        &SP::IntRegsRegClass, dl);
           LoVal = DAG.getCopyFromReg(Chain, dl, loReg, MVT::i32);
         }
         SDValue WholeValue =
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 300f8d4..b1b7f47 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -1576,7 +1576,7 @@
       else
         llvm_unreachable("Unknown argument type!");
 
-      unsigned Reg = MF.addLiveIn(VA.getLocReg(), RC);
+      unsigned Reg = MF.addLiveIn(VA.getLocReg(), RC, dl);
       ArgValue = DAG.getCopyFromReg(Chain, dl, Reg, RegVT);
 
       // If this is an 8 or 16-bit value, it is really passed promoted to 32
@@ -1708,7 +1708,7 @@
         SDValue FIN = DAG.getNode(ISD::ADD, dl, getPointerTy(), RSFIN,
                                   DAG.getIntPtrConstant(Offset));
         unsigned VReg = MF.addLiveIn(GPR64ArgRegs[NumIntRegs],
-                                     X86::GR64RegisterClass);
+                                     X86::GR64RegisterClass, dl);
         SDValue Val = DAG.getCopyFromReg(Chain, dl, VReg, MVT::i64);
         SDValue Store =
           DAG.getStore(Val.getValue(1), dl, Val, FIN,
@@ -1724,7 +1724,7 @@
         SmallVector<SDValue, 11> SaveXMMOps;
         SaveXMMOps.push_back(Chain);
 
-        unsigned AL = MF.addLiveIn(X86::AL, X86::GR8RegisterClass);
+        unsigned AL = MF.addLiveIn(X86::AL, X86::GR8RegisterClass, dl);
         SDValue ALVal = DAG.getCopyFromReg(DAG.getEntryNode(), dl, AL, MVT::i8);
         SaveXMMOps.push_back(ALVal);
 
@@ -1735,7 +1735,7 @@
 
         for (; NumXMMRegs != TotalNumXMMRegs; ++NumXMMRegs) {
           unsigned VReg = MF.addLiveIn(XMMArgRegs64Bit[NumXMMRegs],
-                                       X86::VR128RegisterClass);
+                                       X86::VR128RegisterClass, dl);
           SDValue Val = DAG.getCopyFromReg(Chain, dl, VReg, MVT::v4f32);
           SaveXMMOps.push_back(Val);
         }
diff --git a/test/CodeGen/X86/dbg-live-in-location.ll b/test/CodeGen/X86/dbg-live-in-location.ll
new file mode 100644
index 0000000..9b1464d
--- /dev/null
+++ b/test/CodeGen/X86/dbg-live-in-location.ll
@@ -0,0 +1,84 @@
+; RUN: llc < %s | FileCheck %s
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
+target triple = "x86_64-apple-darwin10.0.0"
+
+@str = internal constant [3 x i8] c"Hi\00"
+
+define void @foo() nounwind ssp {
+entry:
+  %puts = tail call i32 @puts(i8* getelementptr inbounds ([3 x i8]* @str, i64 0, i64 0))
+  ret void, !dbg !17
+}
+
+; CHECK: arg.c:5:14
+
+define i32 @main(i32 %argc, i8** nocapture %argv) nounwind ssp {
+entry:
+  tail call void @llvm.dbg.value(metadata !{i32 %argc}, i64 0, metadata !9), !dbg !19
+  tail call void @llvm.dbg.value(metadata !{i8** %argv}, i64 0, metadata !10), !dbg !20
+  %cmp = icmp sgt i32 %argc, 1, !dbg !21
+  br i1 %cmp, label %cond.end, label %for.body.lr.ph, !dbg !21
+
+cond.end:                                         ; preds = %entry
+  %arrayidx = getelementptr inbounds i8** %argv, i64 1, !dbg !21
+  %tmp2 = load i8** %arrayidx, align 8, !dbg !21, !tbaa !22
+  %call = tail call i32 (...)* @atoi(i8* %tmp2) nounwind, !dbg !21
+  tail call void @llvm.dbg.value(metadata !{i32 %call}, i64 0, metadata !16), !dbg !21
+  tail call void @llvm.dbg.value(metadata !25, i64 0, metadata !14), !dbg !26
+  %cmp57 = icmp sgt i32 %call, 0, !dbg !26
+  br i1 %cmp57, label %for.body.lr.ph, label %for.end, !dbg !26
+
+for.body.lr.ph:                                   ; preds = %entry, %cond.end
+  %cond10 = phi i32 [ %call, %cond.end ], [ 300, %entry ]
+  br label %for.body
+
+for.body:                                         ; preds = %for.body, %for.body.lr.ph
+  %i.08 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %for.body ]
+  %puts.i = tail call i32 @puts(i8* getelementptr inbounds ([3 x i8]* @str, i64 0, i64 0)) nounwind
+  %inc = add nsw i32 %i.08, 1, !dbg !27
+  %exitcond = icmp eq i32 %inc, %cond10
+  br i1 %exitcond, label %for.end, label %for.body, !dbg !26
+
+for.end:                                          ; preds = %for.body, %cond.end
+  ret i32 0, !dbg !29
+}
+
+declare i32 @atoi(...)
+
+declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
+
+declare i32 @puts(i8* nocapture) nounwind
+
+!llvm.dbg.sp = !{!0, !5}
+!llvm.dbg.lv.main = !{!9, !10, !14, !16}
+
+!0 = metadata !{i32 589870, i32 0, metadata !1, metadata !"foo", metadata !"foo", metadata !"", metadata !1, i32 2, metadata !3, i1 false, i1 true, i32 0, i32 0, i32 0, i32 0, i1 true, void ()* @foo} ; [ DW_TAG_subprogram ]
+!1 = metadata !{i32 589865, metadata !"arg.c", metadata !"/private/tmp", metadata !2} ; [ DW_TAG_file_type ]
+!2 = metadata !{i32 589841, i32 0, i32 12, metadata !"arg.c", metadata !"/private/tmp", metadata !"clang version 2.9 (trunk 124504)", i1 true, i1 true, metadata !"", i32 0} ; [ DW_TAG_compile_unit ]
+!3 = metadata !{i32 589845, metadata !1, metadata !"", metadata !1, i32 0, i64 0, i64 0, i32 0, i32 0, i32 0, metadata !4, i32 0, i32 0} ; [ DW_TAG_subroutine_type ]
+!4 = metadata !{null}
+!5 = metadata !{i32 589870, i32 0, metadata !1, metadata !"main", metadata !"main", metadata !"", metadata !1, i32 6, metadata !6, i1 false, i1 true, i32 0, i32 0, i32 0, i32 256, i1 true, i32 (i32, i8**)* @main} ; [ DW_TAG_subprogram ]
+!6 = metadata !{i32 589845, metadata !1, metadata !"", metadata !1, i32 0, i64 0, i64 0, i32 0, i32 0, i32 0, metadata !7, i32 0, i32 0} ; [ DW_TAG_subroutine_type ]
+!7 = metadata !{metadata !8}
+!8 = metadata !{i32 589860, metadata !2, metadata !"int", null, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
+!9 = metadata !{i32 590081, metadata !5, metadata !"argc", metadata !1, i32 5, metadata !8, i32 0} ; [ DW_TAG_arg_variable ]
+!10 = metadata !{i32 590081, metadata !5, metadata !"argv", metadata !1, i32 5, metadata !11, i32 0} ; [ DW_TAG_arg_variable ]
+!11 = metadata !{i32 589839, metadata !2, metadata !"", null, i32 0, i64 64, i64 64, i64 0, i32 0, metadata !12} ; [ DW_TAG_pointer_type ]
+!12 = metadata !{i32 589839, metadata !2, metadata !"", null, i32 0, i64 64, i64 64, i64 0, i32 0, metadata !13} ; [ DW_TAG_pointer_type ]
+!13 = metadata !{i32 589860, metadata !2, metadata !"char", null, i32 0, i64 8, i64 8, i64 0, i32 0, i32 6} ; [ DW_TAG_base_type ]
+!14 = metadata !{i32 590080, metadata !15, metadata !"i", metadata !1, i32 7, metadata !8, i32 0} ; [ DW_TAG_auto_variable ]
+!15 = metadata !{i32 589835, metadata !5, i32 6, i32 1, metadata !1, i32 1} ; [ DW_TAG_lexical_block ]
+!16 = metadata !{i32 590080, metadata !15, metadata !"iterations", metadata !1, i32 8, metadata !8, i32 0} ; [ DW_TAG_auto_variable ]
+!17 = metadata !{i32 4, i32 1, metadata !18, null}
+!18 = metadata !{i32 589835, metadata !0, i32 2, i32 12, metadata !1, i32 0} ; [ DW_TAG_lexical_block ]
+!19 = metadata !{i32 5, i32 14, metadata !5, null}
+!20 = metadata !{i32 5, i32 26, metadata !5, null}
+!21 = metadata !{i32 8, i32 51, metadata !15, null}
+!22 = metadata !{metadata !"any pointer", metadata !23}
+!23 = metadata !{metadata !"omnipotent char", metadata !24}
+!24 = metadata !{metadata !"Simple C/C++ TBAA", null}
+!25 = metadata !{i32 0}
+!26 = metadata !{i32 9, i32 2, metadata !15, null}
+!27 = metadata !{i32 9, i32 30, metadata !28, null}
+!28 = metadata !{i32 589835, metadata !15, i32 9, i32 2, metadata !1, i32 2} ; [ DW_TAG_lexical_block ]
+!29 = metadata !{i32 12, i32 9, metadata !15, null}