diff --git a/llvm/lib/IR/DIBuilder.cpp b/llvm/lib/IR/DIBuilder.cpp
index aacd9c41f3a7..5a82ed04bfec 100644
--- a/llvm/lib/IR/DIBuilder.cpp
+++ b/llvm/lib/IR/DIBuilder.cpp
@@ -121,7 +121,6 @@ DIFile DIBuilder::createFile(StringRef Filename, StringRef Directory) {
     GetTagConstant(VMContext, dwarf::DW_TAG_file_type),
     MDString::get(VMContext, Filename),
     MDString::get(VMContext, Directory),
-    NULL // TheCU
   };
   return DIFile(MDNode::get(VMContext, Elts));
 }
diff --git a/llvm/lib/IR/DebugInfo.cpp b/llvm/lib/IR/DebugInfo.cpp
index 6a15033b40fb..1932615f1839 100644
--- a/llvm/lib/IR/DebugInfo.cpp
+++ b/llvm/lib/IR/DebugInfo.cpp
@@ -531,7 +531,7 @@ bool DINameSpace::Verify() const {
 
 /// \brief Verify that the file descriptor is well formed.
 bool DIFile::Verify() const {
-  return isFile() && DbgNode->getNumOperands() == 4;
+  return isFile() && DbgNode->getNumOperands() == 3;
 }
 
 /// \brief Verify that the enumerator descriptor is well formed.
diff --git a/llvm/test/CodeGen/ARM/2010-08-04-StackVariable.ll b/llvm/test/CodeGen/ARM/2010-08-04-StackVariable.ll
index 6bfc957dfb14..d08923b625b7 100644
--- a/llvm/test/CodeGen/ARM/2010-08-04-StackVariable.ll
+++ b/llvm/test/CodeGen/ARM/2010-08-04-StackVariable.ll
@@ -78,7 +78,7 @@ declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
 
 !0 = metadata !{i32 786478, i32 0, metadata !1, metadata !"SVal", metadata !"SVal", metadata !"", metadata !2, i32 11, metadata !14, i1 false, i1 false, i32 0, i32 0, null, i1 false, i1 false, null} ; [ DW_TAG_subprogram ]
 !1 = metadata !{i32 786451, metadata !2, metadata !"SVal", metadata !2, i32 1, i64 128, i64 64, i64 0, i32 0, null, metadata !4, i32 0, null} ; [ DW_TAG_structure_type ]
-!2 = metadata !{i32 786473, metadata !"small.cc", metadata !"/Users/manav/R8248330", metadata !3} ; [ DW_TAG_file_type ]
+!2 = metadata !{i32 786473, metadata !"small.cc", metadata !"/Users/manav/R8248330"} ; [ DW_TAG_file_type ]
 !3 = metadata !{i32 786449, i32 0, i32 4, metadata !2, metadata !"4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", i1 false, metadata !"", i32 0, metadata !47, metadata !47, metadata !46, metadata !47, metadata !""} ; [ DW_TAG_compile_unit ]
 !4 = metadata !{metadata !5, metadata !7, metadata !0, metadata !9}
 !5 = metadata !{i32 786445, metadata !1, metadata !"Data", metadata !2, i32 7, i64 64, i64 64, i64 0, i32 0, metadata !6} ; [ DW_TAG_member ]
diff --git a/llvm/test/CodeGen/ARM/2011-01-19-MergedGlobalDbg.ll b/llvm/test/CodeGen/ARM/2011-01-19-MergedGlobalDbg.ll
index a13f4799175b..4a2d5d48a30c 100644
--- a/llvm/test/CodeGen/ARM/2011-01-19-MergedGlobalDbg.ll
+++ b/llvm/test/CodeGen/ARM/2011-01-19-MergedGlobalDbg.ll
@@ -85,7 +85,7 @@ entry:
 !46 = metadata !{metadata !27, metadata !28}
 
 !0 = metadata !{i32 786478, i32 0, metadata !1, metadata !"get1", metadata !"get1", metadata !"get1", metadata !1, i32 4, metadata !3, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, i8 (i8)* @get1, null, null, metadata !42, i32 4} ; [ DW_TAG_subprogram ]
-!1 = metadata !{i32 786473, metadata !"foo.c", metadata !"/tmp/", metadata !2} ; [ DW_TAG_file_type ]
+!1 = metadata !{i32 786473, metadata !"foo.c", metadata !"/tmp/"} ; [ DW_TAG_file_type ]
 !2 = metadata !{i32 786449, i32 0, i32 1, metadata !1, metadata !"4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2369.8)", i1 true, metadata !"", i32 0, null, null, metadata !40, metadata !41, metadata !""} ; [ DW_TAG_compile_unit ]
 !3 = metadata !{i32 786453, metadata !1, metadata !"", metadata !1, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !4, i32 0, null} ; [ DW_TAG_subroutine_type ]
 !4 = metadata !{metadata !5, metadata !5}
diff --git a/llvm/test/CodeGen/ARM/debug-info-arg.ll b/llvm/test/CodeGen/ARM/debug-info-arg.ll
index bbf80608eb50..65541ab48818 100644
--- a/llvm/test/CodeGen/ARM/debug-info-arg.ll
+++ b/llvm/test/CodeGen/ARM/debug-info-arg.ll
@@ -35,7 +35,7 @@ declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
 
 !0 = metadata !{i32 786449, i32 0, i32 12, metadata !2, metadata !"Apple clang version 3.0 (tags/Apple/clang-211.10.1) (based on LLVM 3.0svn)", i1 true, metadata !"", i32 0, null, null, metadata !30, null, null} ; [ DW_TAG_compile_unit ]
 !1 = metadata !{i32 786478, i32 0, metadata !2, metadata !"foo", metadata !"foo", metadata !"", metadata !2, i32 11, metadata !3, i1 false, i1 true, i32 0, i32 0, i32 0, i32 256, i1 true, void (%struct.tag_s*, %struct.tag_s*, i64, i64, %struct.tag_s*, %struct.tag_s*)* @foo, null, null, metadata !31, i32 11} ; [ DW_TAG_subprogram ]
-!2 = metadata !{i32 786473, metadata !"one.c", metadata !"/Volumes/Athwagate/R10048772", metadata !0} ; [ DW_TAG_file_type ]
+!2 = metadata !{i32 786473, metadata !"one.c", metadata !"/Volumes/Athwagate/R10048772"} ; [ DW_TAG_file_type ]
 !3 = metadata !{i32 786453, metadata !2, metadata !"", metadata !2, 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 786689, metadata !1, metadata !"this", metadata !2, i32 16777227, metadata !6, i32 0, null} ; [ DW_TAG_arg_variable ]
diff --git a/llvm/test/CodeGen/ARM/debug-info-blocks.ll b/llvm/test/CodeGen/ARM/debug-info-blocks.ll
index 96eeb43797c6..f10990718cc5 100644
--- a/llvm/test/CodeGen/ARM/debug-info-blocks.ll
+++ b/llvm/test/CodeGen/ARM/debug-info-blocks.ll
@@ -98,29 +98,29 @@ define hidden void @foobar_func_block_invoke_0(i8* %.block_descriptor, %0* %load
 
 !0 = metadata !{i32 786449, i32 0, i32 16, metadata !40, metadata !"Apple clang version 2.1", i1 false, metadata !"", i32 2, metadata !147, null, metadata !148, null, metadata !""} ; [ DW_TAG_compile_unit ]
 !1 = metadata !{i32 786433, metadata !0, metadata !"", metadata !2, i32 248, i64 32, i64 32, i32 0, i32 0, i32 0, metadata !3, i32 0, i32 0} ; [ DW_TAG_enumeration_type ]
-!2 = metadata !{i32 786473, metadata !"header.h", metadata !"/Volumes/Sandbox/llvm", metadata !0} ; [ DW_TAG_file_type ]
+!2 = metadata !{i32 786473, metadata !"header.h", metadata !"/Volumes/Sandbox/llvm"} ; [ DW_TAG_file_type ]
 !3 = metadata !{metadata !4}
 !4 = metadata !{i32 786472, metadata !"Ver1", i64 0} ; [ DW_TAG_enumerator ]
 !5 = metadata !{i32 786433, metadata !0, metadata !"Mode", metadata !6, i32 79, i64 32, i64 32, i32 0, i32 0, i32 0, metadata !7, i32 0, i32 0} ; [ DW_TAG_enumeration_type ]
-!6 = metadata !{i32 786473, metadata !"header2.h", metadata !"/Volumes/Sandbox/llvm", metadata !0} ; [ DW_TAG_file_type ]
+!6 = metadata !{i32 786473, metadata !"header2.h", metadata !"/Volumes/Sandbox/llvm"} ; [ DW_TAG_file_type ]
 !7 = metadata !{metadata !8}
 !8 = metadata !{i32 786472, metadata !"One", i64 0} ; [ DW_TAG_enumerator ]
 !9 = metadata !{i32 786433, metadata !0, metadata !"", metadata !10, i32 15, i64 32, i64 32, i32 0, i32 0, i32 0, metadata !11, i32 0, i32 0} ; [ DW_TAG_enumeration_type ]
-!10 = metadata !{i32 786473, metadata !"header3.h", metadata !"/Volumes/Sandbox/llvm", metadata !0} ; [ DW_TAG_file_type ]
+!10 = metadata !{i32 786473, metadata !"header3.h", metadata !"/Volumes/Sandbox/llvm"} ; [ DW_TAG_file_type ]
 !11 = metadata !{metadata !12, metadata !13}
 !12 = metadata !{i32 786472, metadata !"Unknown", i64 0} ; [ DW_TAG_enumerator ]
 !13 = metadata !{i32 786472, metadata !"Known", i64 1} ; [ DW_TAG_enumerator ]
 !14 = metadata !{i32 786433, metadata !0, metadata !"", metadata !15, i32 20, i64 32, i64 32, i32 0, i32 0, i32 0, metadata !16, i32 0, i32 0} ; [ DW_TAG_enumeration_type ]
-!15 = metadata !{i32 786473, metadata !"Private.h", metadata !"/Volumes/Sandbox/llvm", metadata !0} ; [ DW_TAG_file_type ]
+!15 = metadata !{i32 786473, metadata !"Private.h", metadata !"/Volumes/Sandbox/llvm"} ; [ DW_TAG_file_type ]
 !16 = metadata !{metadata !17, metadata !18}
 !17 = metadata !{i32 786472, metadata !"Single", i64 0} ; [ DW_TAG_enumerator ]
 !18 = metadata !{i32 786472, metadata !"Double", i64 1} ; [ DW_TAG_enumerator ]
 !19 = metadata !{i32 786433, metadata !0, metadata !"", metadata !20, i32 14, i64 32, i64 32, i32 0, i32 0, i32 0, metadata !21, i32 0, i32 0} ; [ DW_TAG_enumeration_type ]
-!20 = metadata !{i32 786473, metadata !"header4.h", metadata !"/Volumes/Sandbox/llvm", metadata !0} ; [ DW_TAG_file_type ]
+!20 = metadata !{i32 786473, metadata !"header4.h", metadata !"/Volumes/Sandbox/llvm"} ; [ DW_TAG_file_type ]
 !21 = metadata !{metadata !22}
 !22 = metadata !{i32 786472, metadata !"Eleven", i64 0} ; [ DW_TAG_enumerator ]
 !23 = metadata !{i32 786478, i32 0, metadata !24, metadata !"foobar_func_block_invoke_0", metadata !"foobar_func_block_invoke_0", metadata !"", metadata !24, i32 609, metadata !25, i1 true, i1 true, i32 0, i32 0, i32 0, i32 256, i1 false, void (i8*, %0*, [4 x i32], [4 x i32])* @foobar_func_block_invoke_0, null, null, null, i32 609} ; [ DW_TAG_subprogram ]
-!24 = metadata !{i32 786473, metadata !"MyLibrary.m", metadata !"/Volumes/Sandbox/llvm", metadata !0} ; [ DW_TAG_file_type ]
+!24 = metadata !{i32 786473, metadata !"MyLibrary.m", metadata !"/Volumes/Sandbox/llvm"} ; [ DW_TAG_file_type ]
 !25 = metadata !{i32 786453, metadata !24, metadata !"", metadata !24, i32 0, i64 0, i64 0, i32 0, i32 0, i32 0, metadata !26, i32 0, i32 0} ; [ DW_TAG_subroutine_type ]
 !26 = metadata !{null}
 !27 = metadata !{i32 786689, metadata !23, metadata !".block_descriptor", metadata !24, i32 16777825, metadata !28, i32 64, null} ; [ DW_TAG_arg_variable ]
@@ -136,7 +136,7 @@ define hidden void @foobar_func_block_invoke_0(i8* %.block_descriptor, %0* %load
 !37 = metadata !{i32 786445, metadata !24, metadata !"__descriptor", metadata !24, i32 609, i64 32, i64 32, i64 128, i32 0, metadata !38} ; [ DW_TAG_member ]
 !38 = metadata !{i32 786447, metadata !0, metadata !"", null, i32 0, i64 32, i64 32, i64 0, i32 0, metadata !39} ; [ DW_TAG_pointer_type ]
 !39 = metadata !{i32 786451, metadata !0, metadata !"__block_descriptor_withcopydispose", metadata !40, i32 307, i64 128, i64 32, i32 0, i32 0, i32 0, metadata !41, i32 0, i32 0} ; [ DW_TAG_structure_type ]
-!40 = metadata !{i32 786473, metadata !"MyLibrary.i", metadata !"/Volumes/Sandbox/llvm", metadata !0} ; [ DW_TAG_file_type ]
+!40 = metadata !{i32 786473, metadata !"MyLibrary.i", metadata !"/Volumes/Sandbox/llvm"} ; [ DW_TAG_file_type ]
 !41 = metadata !{metadata !42, metadata !44, metadata !45, metadata !47}
 !42 = metadata !{i32 786445, metadata !40, metadata !"reserved", metadata !40, i32 307, i64 32, i64 32, i64 0, i32 0, metadata !43} ; [ DW_TAG_member ]
 !43 = metadata !{i32 786468, metadata !0, metadata !"long unsigned int", null, i32 0, i64 32, i64 32, i64 0, i32 0, i32 7} ; [ DW_TAG_base_type ]
@@ -157,11 +157,11 @@ define hidden void @foobar_func_block_invoke_0(i8* %.block_descriptor, %0* %load
 !58 = metadata !{i32 786445, metadata !24, metadata !"mydata", metadata !24, i32 0, i64 32, i64 32, i64 192, i32 0, metadata !59} ; [ DW_TAG_member ]
 !59 = metadata !{i32 786447, metadata !0, metadata !"", null, i32 0, i64 32, i64 32, i64 0, i32 0, metadata !60} ; [ DW_TAG_pointer_type ]
 !60 = metadata !{i32 786451, metadata !24, metadata !"UIMydata", metadata !61, i32 26, i64 128, i64 32, i32 0, i32 0, i32 0, metadata !62, i32 16, i32 0} ; [ DW_TAG_structure_type ]
-!61 = metadata !{i32 786473, metadata !"header11.h", metadata !"/Volumes/Sandbox/llvm", metadata !0} ; [ DW_TAG_file_type ]
+!61 = metadata !{i32 786473, metadata !"header11.h", metadata !"/Volumes/Sandbox/llvm"} ; [ DW_TAG_file_type ]
 !62 = metadata !{metadata !63, metadata !71, metadata !75, metadata !79}
 !63 = metadata !{i32 786460, metadata !60, null, metadata !61, i32 0, i64 0, i64 0, i64 0, i32 0, metadata !64} ; [ DW_TAG_inheritance ]
 !64 = metadata !{i32 786451, metadata !40, metadata !"NSO", metadata !65, i32 66, i64 32, i64 32, i32 0, i32 0, i32 0, metadata !66, i32 16, i32 0} ; [ DW_TAG_structure_type ]
-!65 = metadata !{i32 786473, metadata !"NSO.h", metadata !"/Volumes/Sandbox/llvm", metadata !0} ; [ DW_TAG_file_type ]
+!65 = metadata !{i32 786473, metadata !"NSO.h", metadata !"/Volumes/Sandbox/llvm"} ; [ DW_TAG_file_type ]
 !66 = metadata !{metadata !67}
 !67 = metadata !{i32 786445, metadata !65, metadata !"isa", metadata !65, i32 67, i64 32, i64 32, i64 0, i32 2, metadata !68, metadata !"", metadata !"", metadata !"", i32 0} ; [ DW_TAG_member ]
 !68 = metadata !{i32 786454, metadata !0, metadata !"Class", metadata !40, i32 197, i64 0, i64 0, i64 0, i32 0, metadata !69} ; [ DW_TAG_typedef ]
@@ -173,7 +173,7 @@ define hidden void @foobar_func_block_invoke_0(i8* %.block_descriptor, %0* %load
 !74 = metadata !{i32 786470, metadata !0, metadata !"", null, i32 0, i64 0, i64 0, i64 0, i32 0, null} ; [ DW_TAG_const_type ]
 !75 = metadata !{i32 786445, metadata !61, metadata !"_scale", metadata !61, i32 29, i64 32, i64 32, i64 64, i32 0, metadata !76, metadata !"", metadata !"", metadata !"", i32 0} ; [ DW_TAG_member ]
 !76 = metadata !{i32 786454, metadata !0, metadata !"Float", metadata !77, i32 89, i64 0, i64 0, i64 0, i32 0, metadata !78} ; [ DW_TAG_typedef ]
-!77 = metadata !{i32 786473, metadata !"header12.h", metadata !"/Volumes/Sandbox/llvm", metadata !0} ; [ DW_TAG_file_type ]
+!77 = metadata !{i32 786473, metadata !"header12.h", metadata !"/Volumes/Sandbox/llvm"} ; [ DW_TAG_file_type ]
 !78 = metadata !{i32 786468, metadata !0, metadata !"float", null, i32 0, i64 32, i64 32, i64 0, i32 0, i32 4} ; [ DW_TAG_base_type ]
 !79 = metadata !{i32 786445, metadata !61, metadata !"_mydataFlags", metadata !61, i32 37, i64 8, i64 8, i64 96, i32 0, metadata !80, metadata !"", metadata !"", metadata !"", i32 0} ; [ DW_TAG_member ]
 !80 = metadata !{i32 786451, metadata !0, metadata !"", metadata !61, i32 30, i64 8, i64 8, i32 0, i32 0, i32 0, metadata !81, i32 0, i32 0} ; [ DW_TAG_structure_type ]
@@ -191,7 +191,7 @@ define hidden void @foobar_func_block_invoke_0(i8* %.block_descriptor, %0* %load
 !92 = metadata !{metadata !93, metadata !98, metadata !101, metadata !107, metadata !123}
 !93 = metadata !{i32 786460, metadata !91, null, metadata !24, i32 0, i64 0, i64 0, i64 0, i32 0, metadata !94} ; [ DW_TAG_inheritance ]
 !94 = metadata !{i32 786451, metadata !40, metadata !"twork", metadata !95, i32 43, i64 32, i64 32, i32 0, i32 0, i32 0, metadata !96, i32 16, i32 0} ; [ DW_TAG_structure_type ]
-!95 = metadata !{i32 786473, metadata !"header13.h", metadata !"/Volumes/Sandbox/llvm", metadata !0} ; [ DW_TAG_file_type ]
+!95 = metadata !{i32 786473, metadata !"header13.h", metadata !"/Volumes/Sandbox/llvm"} ; [ DW_TAG_file_type ]
 !96 = metadata !{metadata !97}
 !97 = metadata !{i32 786460, metadata !94, null, metadata !95, i32 0, i64 0, i64 0, i64 0, i32 0, metadata !64} ; [ DW_TAG_inheritance ]
 !98 = metadata !{i32 786445, metadata !24, metadata !"_itemID", metadata !24, i32 38, i64 64, i64 32, i64 32, i32 1, metadata !99, metadata !"", metadata !"", metadata !"", i32 0} ; [ DW_TAG_member ]
@@ -200,7 +200,7 @@ define hidden void @foobar_func_block_invoke_0(i8* %.block_descriptor, %0* %load
 !101 = metadata !{i32 786445, metadata !24, metadata !"_library", metadata !24, i32 39, i64 32, i64 32, i64 96, i32 1, metadata !102, metadata !"", metadata !"", metadata !"", i32 0} ; [ DW_TAG_member ]
 !102 = metadata !{i32 786447, metadata !0, metadata !"", null, i32 0, i64 32, i64 32, i64 0, i32 0, metadata !103} ; [ DW_TAG_pointer_type ]
 !103 = metadata !{i32 786451, metadata !40, metadata !"MyLibrary2", metadata !104, i32 22, i64 32, i64 32, i32 0, i32 0, i32 0, metadata !105, i32 16, i32 0} ; [ DW_TAG_structure_type ]
-!104 = metadata !{i32 786473, metadata !"header14.h", metadata !"/Volumes/Sandbox/llvm", metadata !0} ; [ DW_TAG_file_type ]
+!104 = metadata !{i32 786473, metadata !"header14.h", metadata !"/Volumes/Sandbox/llvm"} ; [ DW_TAG_file_type ]
 !105 = metadata !{metadata !106}
 !106 = metadata !{i32 786460, metadata !103, null, metadata !104, i32 0, i64 0, i64 0, i64 0, i32 0, metadata !64} ; [ DW_TAG_inheritance ]
 !107 = metadata !{i32 786445, metadata !24, metadata !"_bounds", metadata !24, i32 40, i64 128, i64 32, i64 128, i32 1, metadata !108, metadata !"", metadata !"", metadata !"", i32 0} ; [ DW_TAG_member ]
@@ -224,7 +224,7 @@ define hidden void @foobar_func_block_invoke_0(i8* %.block_descriptor, %0* %load
 !125 = metadata !{i32 786454, metadata !0, metadata !"d_t", metadata !24, i32 35, i64 0, i64 0, i64 0, i32 0, metadata !126} ; [ DW_TAG_typedef ]
 !126 = metadata !{i32 786447, metadata !0, metadata !"", null, i32 0, i64 32, i64 32, i64 0, i32 0, metadata !127} ; [ DW_TAG_pointer_type ]
 !127 = metadata !{i32 786451, metadata !0, metadata !"my_struct", metadata !128, i32 49, i64 0, i64 0, i32 0, i32 4, i32 0, null, i32 0, i32 0} ; [ DW_TAG_structure_type ]
-!128 = metadata !{i32 786473, metadata !"header15.h", metadata !"/Volumes/Sandbox/llvm", metadata !0} ; [ DW_TAG_file_type ]
+!128 = metadata !{i32 786473, metadata !"header15.h", metadata !"/Volumes/Sandbox/llvm"} ; [ DW_TAG_file_type ]
 !129 = metadata !{i32 609, i32 144, metadata !23, null}
 !130 = metadata !{i32 786689, metadata !23, metadata !"loadedMydata", metadata !24, i32 33555041, metadata !59, i32 0, null} ; [ DW_TAG_arg_variable ]
 !131 = metadata !{i32 609, i32 155, metadata !23, null}
diff --git a/llvm/test/CodeGen/ARM/debug-info-d16-reg.ll b/llvm/test/CodeGen/ARM/debug-info-d16-reg.ll
index 9ae6dd147e4b..061619624fbd 100644
--- a/llvm/test/CodeGen/ARM/debug-info-d16-reg.ll
+++ b/llvm/test/CodeGen/ARM/debug-info-d16-reg.ll
@@ -63,7 +63,7 @@ declare i32 @puts(i8* nocapture) nounwind
 !45 = metadata !{metadata !22, metadata !23, metadata !24}
 
 !0 = metadata !{i32 786478, i32 0, metadata !1, metadata !"printer", metadata !"printer", metadata !"printer", metadata !1, i32 12, metadata !3, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, i32 (i8*, double, i8)* @printer, null, null, metadata !43, i32 12} ; [ DW_TAG_subprogram ]
-!1 = metadata !{i32 786473, metadata !"a.c", metadata !"/tmp/", metadata !2} ; [ DW_TAG_file_type ]
+!1 = metadata !{i32 786473, metadata !"a.c", metadata !"/tmp/"} ; [ DW_TAG_file_type ]
 !2 = metadata !{i32 786449, i32 0, i32 1, metadata !1, metadata !"(LLVM build 00)", i1 true, metadata !"", i32 0, null, null, metadata !42, null, metadata !""} ; [ DW_TAG_compile_unit ]
 !3 = metadata !{i32 786453, metadata !1, metadata !"", metadata !1, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !4, i32 0, null} ; [ DW_TAG_subroutine_type ]
 !4 = metadata !{metadata !5, metadata !6, metadata !7, metadata !8}
diff --git a/llvm/test/CodeGen/X86/2010-01-18-DbgValue.ll b/llvm/test/CodeGen/X86/2010-01-18-DbgValue.ll
index d245025a43ea..130cac255b59 100644
--- a/llvm/test/CodeGen/X86/2010-01-18-DbgValue.ll
+++ b/llvm/test/CodeGen/X86/2010-01-18-DbgValue.ll
@@ -33,7 +33,7 @@ declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
 
 !0 = metadata !{i32 786689, metadata !1, metadata !"my_r0", metadata !2, i32 11, metadata !7, i32 0, null} ; [ DW_TAG_arg_variable ]
 !1 = metadata !{i32 786478, i32 0, metadata !2, metadata !"foo", metadata !"foo", metadata !"foo", metadata !2, i32 11, metadata !4, i1 false, i1 true, i32 0, i32 0, null, i32 0, i1 false, double (%struct.Rect*)* @foo, null, null, null, i32 11} ; [ DW_TAG_subprogram ]
-!2 = metadata !{i32 786473, metadata !"b2.c", metadata !"/tmp/", metadata !3} ; [ DW_TAG_file_type ]
+!2 = metadata !{i32 786473, metadata !"b2.c", metadata !"/tmp/"} ; [ DW_TAG_file_type ]
 !3 = metadata !{i32 786449, i32 0, i32 1, metadata !2, metadata !"4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", i1 false, metadata !"", i32 0, null, null, metadata !18, null, metadata !""} ; [ DW_TAG_compile_unit ]
 !4 = metadata !{i32 786453, metadata !2, metadata !"", metadata !2, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !5, i32 0, null} ; [ DW_TAG_subroutine_type ]
 !5 = metadata !{metadata !6, metadata !7}
diff --git a/llvm/test/CodeGen/X86/2010-05-25-DotDebugLoc.ll b/llvm/test/CodeGen/X86/2010-05-25-DotDebugLoc.ll
index 0c47cc9b1ccd..86f18b2e7680 100644
--- a/llvm/test/CodeGen/X86/2010-05-25-DotDebugLoc.ll
+++ b/llvm/test/CodeGen/X86/2010-05-25-DotDebugLoc.ll
@@ -204,12 +204,12 @@ declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
 
 !0 = metadata !{i32 786689, metadata !1, metadata !"a", metadata !2, i32 1921, metadata !9, i32 0, null} ; [ DW_TAG_arg_variable ]
 !1 = metadata !{i32 786478, i32 0, metadata !2, metadata !"__divsc3", metadata !"__divsc3", metadata !"__divsc3", metadata !2, i32 1922, metadata !4, i1 false, i1 true, i32 0, i32 0, null, i1 false, i1 true, %0 (float, float, float, float)* @__divsc3, null, null, metadata !43, i32 1922} ; [ DW_TAG_subprogram ]
-!2 = metadata !{i32 786473, metadata !"libgcc2.c", metadata !"/Users/yash/clean/LG.D/gcc/../../llvmgcc/gcc", metadata !3} ; [ DW_TAG_file_type ]
+!2 = metadata !{i32 786473, metadata !"libgcc2.c", metadata !"/Users/yash/clean/LG.D/gcc/../../llvmgcc/gcc"} ; [ DW_TAG_file_type ]
 !3 = metadata !{i32 786449, i32 0, i32 1, metadata !2, metadata !"4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", i1 true, metadata !"", i32 0, null, null, metadata !44, null, metadata !""} ; [ DW_TAG_compile_unit ]
 !4 = metadata !{i32 786453, metadata !2, metadata !"", metadata !2, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !5, i32 0, null} ; [ DW_TAG_subroutine_type ]
 !5 = metadata !{metadata !6, metadata !9, metadata !9, metadata !9, metadata !9}
 !6 = metadata !{i32 786454, metadata !7, metadata !"SCtype", metadata !7, i32 170, i64 0, i64 0, i64 0, i32 0, metadata !8} ; [ DW_TAG_typedef ]
-!7 = metadata !{i32 786473, metadata !"libgcc2.h", metadata !"/Users/yash/clean/LG.D/gcc/../../llvmgcc/gcc", metadata !3} ; [ DW_TAG_file_type ]
+!7 = metadata !{i32 786473, metadata !"libgcc2.h", metadata !"/Users/yash/clean/LG.D/gcc/../../llvmgcc/gcc"} ; [ DW_TAG_file_type ]
 !8 = metadata !{i32 786468, metadata !2, metadata !"complex float", metadata !2, i32 0, i64 64, i64 32, i64 0, i32 0, i32 3} ; [ DW_TAG_base_type ]
 !9 = metadata !{i32 786454, metadata !7, metadata !"SFtype", metadata !7, i32 167, i64 0, i64 0, i64 0, i32 0, metadata !10} ; [ DW_TAG_typedef ]
 !10 = metadata !{i32 786468, metadata !2, metadata !"float", metadata !2, i32 0, i64 32, i64 32, i64 0, i32 0, i32 4} ; [ DW_TAG_base_type ]
diff --git a/llvm/test/CodeGen/X86/2010-05-26-DotDebugLoc.ll b/llvm/test/CodeGen/X86/2010-05-26-DotDebugLoc.ll
index c4bfe619d279..0ceec5c97665 100644
--- a/llvm/test/CodeGen/X86/2010-05-26-DotDebugLoc.ll
+++ b/llvm/test/CodeGen/X86/2010-05-26-DotDebugLoc.ll
@@ -29,7 +29,7 @@ declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
 !35 = metadata !{metadata !18, metadata !25, metadata !26}
 
 !0 = metadata !{i32 786484, i32 0, metadata !1, metadata !"ret", metadata !"ret", metadata !"", metadata !1, i32 7, metadata !3, i1 false, i1 true, null} ; [ DW_TAG_variable ]
-!1 = metadata !{i32 786473, metadata !"foo.c", metadata !"/tmp/", metadata !2} ; [ DW_TAG_file_type ]
+!1 = metadata !{i32 786473, metadata !"foo.c", metadata !"/tmp/"} ; [ DW_TAG_file_type ]
 !2 = metadata !{i32 786449, i32 0, i32 1, metadata !1, metadata !"4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", i1 true, metadata !"", i32 0, null, null, metadata !32, metadata !31, metadata !""} ; [ DW_TAG_compile_unit ]
 !3 = metadata !{i32 786468, metadata !1, metadata !"int", metadata !1, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
 !4 = metadata !{i32 786689, metadata !5, metadata !"x", metadata !1, i32 12, metadata !3, i32 0, null} ; [ DW_TAG_arg_variable ]
diff --git a/llvm/test/CodeGen/X86/2010-05-28-Crash.ll b/llvm/test/CodeGen/X86/2010-05-28-Crash.ll
index 7ffd2fa25f42..2cdff211ee1a 100644
--- a/llvm/test/CodeGen/X86/2010-05-28-Crash.ll
+++ b/llvm/test/CodeGen/X86/2010-05-28-Crash.ll
@@ -29,7 +29,7 @@ entry:
 
 !0 = metadata !{i32 786689, metadata !1, metadata !"y", metadata !2, i32 2, metadata !6, i32 0, null} ; [ DW_TAG_arg_variable ]
 !1 = metadata !{i32 786478, i32 0, metadata !2, metadata !"foo", metadata !"foo", metadata !"foo", metadata !2, i32 2, metadata !4, i1 false, i1 true, i32 0, i32 0, null, i1 false, i1 true, i32 (i32)* @foo, null, null, metadata !15, i32 2} ; [ DW_TAG_subprogram ]
-!2 = metadata !{i32 786473, metadata !"f.c", metadata !"/tmp", metadata !3} ; [ DW_TAG_file_type ]
+!2 = metadata !{i32 786473, metadata !"f.c", metadata !"/tmp"} ; [ DW_TAG_file_type ]
 !3 = metadata !{i32 786449, i32 0, i32 1, metadata !2, metadata !"4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", i1 true, metadata !"", i32 0, null, null, metadata !17, null, metadata !""} ; [ DW_TAG_compile_unit ]
 !4 = metadata !{i32 786453, metadata !2, metadata !"", metadata !2, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !5, i32 0, null} ; [ DW_TAG_subroutine_type ]
 !5 = metadata !{metadata !6, metadata !6}
diff --git a/llvm/test/CodeGen/X86/2010-06-01-DeadArg-DbgInfo.ll b/llvm/test/CodeGen/X86/2010-06-01-DeadArg-DbgInfo.ll
index 898f80812875..ec2de77d9d02 100644
--- a/llvm/test/CodeGen/X86/2010-06-01-DeadArg-DbgInfo.ll
+++ b/llvm/test/CodeGen/X86/2010-06-01-DeadArg-DbgInfo.ll
@@ -24,7 +24,7 @@ declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
 !0 = metadata !{i32 786689, metadata !1, metadata !"this", metadata !3, i32 11, metadata !12, i32 0, null} ; [ DW_TAG_arg_variable ]
 !1 = metadata !{i32 786478, i32 0, metadata !2, metadata !"bar", metadata !"bar", metadata !"_ZN3foo3barEi", metadata !3, i32 11, metadata !9, i1 false, i1 true, i32 0, i32 0, null, i32 0, i1 true, i32 (%struct.foo*, i32)* @_ZN3foo3bazEi, null, null, null, i32 11} ; [ DW_TAG_subprogram ]
 !2 = metadata !{i32 786451, metadata !3, metadata !"foo", metadata !3, i32 3, i64 32, i64 32, i64 0, i32 0, null, metadata !5, i32 0, null} ; [ DW_TAG_structure_type ]
-!3 = metadata !{i32 786473, metadata !"foo.cp", metadata !"/tmp/", metadata !4} ; [ DW_TAG_file_type ]
+!3 = metadata !{i32 786473, metadata !"foo.cp", metadata !"/tmp/"} ; [ DW_TAG_file_type ]
 !4 = metadata !{i32 786449, i32 0, i32 4, metadata !"foo.cp", metadata !"/tmp/", metadata !"4.2.1 LLVM build", i1 true, i1 true, metadata !"", i32 0} ; [ DW_TAG_compile_unit ]
 !5 = metadata !{metadata !6, metadata !1, metadata !8}
 !6 = metadata !{i32 786445, metadata !2, metadata !"y", metadata !3, i32 8, i64 32, i64 32, i64 0, i32 0, metadata !7} ; [ DW_TAG_member ]
diff --git a/llvm/test/CodeGen/X86/2010-11-02-DbgParameter.ll b/llvm/test/CodeGen/X86/2010-11-02-DbgParameter.ll
index c932190d1b5a..c320e026d9fa 100644
--- a/llvm/test/CodeGen/X86/2010-11-02-DbgParameter.ll
+++ b/llvm/test/CodeGen/X86/2010-11-02-DbgParameter.ll
@@ -20,7 +20,7 @@ declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
 !16 = metadata !{metadata !6}
 
 !0 = metadata !{i32 786478, i32 0, metadata !1, metadata !"foo", metadata !"foo", metadata !"", metadata !1, i32 3, metadata !3, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, i32 (%struct.bar*)* @foo, null, null, metadata !16, i32 3} ; [ DW_TAG_subprogram ]
-!1 = metadata !{i32 786473, metadata !"one.c", metadata !"/private/tmp", metadata !2} ; [ DW_TAG_file_type ]
+!1 = metadata !{i32 786473, metadata !"one.c", metadata !"/private/tmp"} ; [ DW_TAG_file_type ]
 !2 = metadata !{i32 786449, i32 0, i32 12, metadata !1, metadata !"clang version 2.9 (trunk 117922)", i1 true, metadata !"", i32 0, null, null, metadata !15, null, metadata !""} ; [ DW_TAG_compile_unit ]
 !3 = metadata !{i32 786453, metadata !1, metadata !"", metadata !1, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !4, i32 0, null} ; [ DW_TAG_subroutine_type ]
 !4 = metadata !{metadata !5}
diff --git a/llvm/test/CodeGen/X86/2011-01-24-DbgValue-Before-Use.ll b/llvm/test/CodeGen/X86/2011-01-24-DbgValue-Before-Use.ll
index a701f54eca53..1723e36af9dc 100644
--- a/llvm/test/CodeGen/X86/2011-01-24-DbgValue-Before-Use.ll
+++ b/llvm/test/CodeGen/X86/2011-01-24-DbgValue-Before-Use.ll
@@ -75,7 +75,7 @@ declare i32 @puts(i8* nocapture) nounwind
 !30 = metadata !{metadata !14, metadata !17}
 
 !0 = metadata !{i32 786478, i32 0, metadata !1, metadata !"gcd", metadata !"gcd", metadata !"", metadata !1, i32 5, metadata !3, i1 false, i1 true, i32 0, i32 0, i32 0, i32 256, i1 true, i64 (i64, i64)* @gcd, null, null, metadata !29, i32 0} ; [ DW_TAG_subprogram ]
-!1 = metadata !{i32 786473, metadata !"rem_small.c", metadata !"/private/tmp", metadata !2} ; [ DW_TAG_file_type ]
+!1 = metadata !{i32 786473, metadata !"rem_small.c", metadata !"/private/tmp"} ; [ DW_TAG_file_type ]
 !2 = metadata !{i32 786449, i32 0, i32 12, metadata !1, metadata !"clang version 2.9 (trunk 124117)", i1 true, metadata !"", i32 0, null, null, metadata !28, null, null} ; [ DW_TAG_compile_unit ]
 !3 = metadata !{i32 786453, 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 !{metadata !5}
diff --git a/llvm/test/CodeGen/X86/dbg-byval-parameter.ll b/llvm/test/CodeGen/X86/dbg-byval-parameter.ll
index 429b547a1bcb..28f72d8048eb 100644
--- a/llvm/test/CodeGen/X86/dbg-byval-parameter.ll
+++ b/llvm/test/CodeGen/X86/dbg-byval-parameter.ll
@@ -30,7 +30,7 @@ declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
 
 !0 = metadata !{i32 786689, metadata !1, metadata !"my_r0", metadata !2, i32 11, metadata !7, i32 0, null} ; [ DW_TAG_arg_variable ]
 !1 = metadata !{i32 786478, i32 0, metadata !2, metadata !"foo", metadata !"foo", metadata !"foo", metadata !2, i32 11, metadata !4, i1 false, i1 true, i32 0, i32 0, null, i32 0, i1 false, double (%struct.Rect*)* @foo, null, null, null, i32 0} ; [ DW_TAG_subprogram ]
-!2 = metadata !{i32 786473, metadata !"b2.c", metadata !"/tmp/", metadata !3} ; [ DW_TAG_file_type ]
+!2 = metadata !{i32 786473, metadata !"b2.c", metadata !"/tmp/"} ; [ DW_TAG_file_type ]
 !3 = metadata !{i32 786449, i32 0, i32 1, metadata !2, metadata !"4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", i1 false, metadata !"", i32 0, null, null, metadata !18, null, metadata !""} ; [ DW_TAG_compile_unit ]
 !4 = metadata !{i32 786453, metadata !2, metadata !"", metadata !2, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !5, i32 0, null} ; [ DW_TAG_subroutine_type ]
 !5 = metadata !{metadata !6, metadata !7}
diff --git a/llvm/test/CodeGen/X86/dbg-const.ll b/llvm/test/CodeGen/X86/dbg-const.ll
index a6ca57848aca..f25c3aeab1aa 100644
--- a/llvm/test/CodeGen/X86/dbg-const.ll
+++ b/llvm/test/CodeGen/X86/dbg-const.ll
@@ -21,7 +21,7 @@ declare i32 @bar() nounwind readnone
 !14 = metadata !{metadata !6}
 
 !0 = metadata !{i32 786478, i32 0, metadata !1, metadata !"foobar", metadata !"foobar", metadata !"foobar", metadata !1, i32 12, metadata !3, i1 false, i1 true, i32 0, i32 0, null, i1 false, i1 true, i32 ()* @foobar, null, null, metadata !14, i32 0}
-!1 = metadata !{i32 786473, metadata !"mu.c", metadata !"/private/tmp", metadata !2}
+!1 = metadata !{i32 786473, metadata !"mu.c", metadata !"/private/tmp"} ; [ DW_TAG_file_type ]
 !2 = metadata !{i32 786449, i32 0, i32 12, metadata !1, metadata !"clang version 2.9 (trunk 114183)", i1 true, metadata !"", i32 0, null, null, metadata !13, null, metadata !""}
 !3 = metadata !{i32 786453, metadata !1, metadata !"", metadata !1, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !4, i32 0, null}
 !4 = metadata !{metadata !5}
diff --git a/llvm/test/CodeGen/X86/dbg-i128-const.ll b/llvm/test/CodeGen/X86/dbg-i128-const.ll
index d2d4e8a76602..ec11a47c16c9 100644
--- a/llvm/test/CodeGen/X86/dbg-i128-const.ll
+++ b/llvm/test/CodeGen/X86/dbg-i128-const.ll
@@ -19,11 +19,11 @@ declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
 !1 = metadata !{i32 786688, metadata !2, metadata !"MAX", metadata !4, i32 29, metadata !8, i32 0, null} ; [ DW_TAG_auto_variable ]
 !2 = metadata !{i32 786443, metadata !3, i32 26, i32 0, metadata !4, i32 0} ; [ DW_TAG_lexical_block ]
 !3 = metadata !{i32 786478, i32 0, metadata !4, metadata !"__foo", metadata !"__foo", metadata !"__foo", metadata !4, i32 26, metadata !6, i1 false, i1 true, i32 0, i32 0, null, i1 false, i128 (i128, i128)* @__foo, null, null, null, i32 26} ; [ DW_TAG_subprogram ]
-!4 = metadata !{i32 786473, metadata !"foo.c", metadata !"/tmp", metadata !5} ; [ DW_TAG_file_type ]
+!4 = metadata !{i32 786473, metadata !"foo.c", metadata !"/tmp"} ; [ DW_TAG_file_type ]
 !5 = metadata !{i32 786449, i32 0, i32 1, metadata !4, metadata !"clang", i1 true, metadata !"", i32 0, null, null, metadata !12, null, metadata !""} ; [ DW_TAG_compile_unit ]
 !6 = metadata !{i32 786453, metadata !4, metadata !"", metadata !4, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !7, i32 0, null} ; [ DW_TAG_subroutine_type ]
 !7 = metadata !{metadata !8, metadata !8, metadata !8}
 !8 = metadata !{i32 786454, metadata !4, metadata !"ti_int", metadata !9, i32 78, i64 0, i64 0, i64 0, i32 0, metadata !10} ; [ DW_TAG_typedef ]
-!9 = metadata !{i32 786473, metadata !"myint.h", metadata !"/tmp", metadata !5} ; [ DW_TAG_file_type ]
+!9 = metadata !{i32 786473, metadata !"myint.h", metadata !"/tmp"} ; [ DW_TAG_file_type ]
 !10 = metadata !{i32 786468, metadata !4, metadata !"", metadata !4, i32 0, i64 128, i64 128, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
 !11 = metadata !{i32 29, i32 0, metadata !2, null}
diff --git a/llvm/test/CodeGen/X86/dbg-merge-loc-entry.ll b/llvm/test/CodeGen/X86/dbg-merge-loc-entry.ll
index 6f50d7757ba2..c794177d233f 100644
--- a/llvm/test/CodeGen/X86/dbg-merge-loc-entry.ll
+++ b/llvm/test/CodeGen/X86/dbg-merge-loc-entry.ll
@@ -47,12 +47,12 @@ declare %0 @llvm.uadd.with.overflow.i64(i64, i64) nounwind readnone
 !28 = metadata !{metadata !0, metadata !9}
 
 !0 = metadata !{i32 786478, i32 0, metadata !1, metadata !"__udivmodti4", metadata !"__udivmodti4", metadata !"", metadata !1, i32 879, metadata !3, i1 true, i1 true, i32 0, i32 0, null, i32 256, i1 true, null, null, null, null, i32 879} ; [ DW_TAG_subprogram ]
-!1 = metadata !{i32 786473, metadata !"foobar.c", metadata !"/tmp", metadata !2} ; [ DW_TAG_file_type ]
+!1 = metadata !{i32 786473, metadata !"foobar.c", metadata !"/tmp"} ; [ DW_TAG_file_type ]
 !2 = metadata !{i32 786449, i32 0, i32 1, metadata !1, metadata !"4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", i1 true, metadata !"", i32 0, null, null, metadata !28, null, metadata !""} ; [ DW_TAG_compile_unit ]
 !3 = metadata !{i32 786453, metadata !1, metadata !"", metadata !1, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !4, i32 0, null} ; [ DW_TAG_subroutine_type ]
 !4 = metadata !{metadata !5, metadata !5, metadata !5, metadata !8}
 !5 = metadata !{i32 786454, metadata !6, metadata !"UTItype", metadata !6, i32 166, i64 0, i64 0, i64 0, i32 0, metadata !7} ; [ DW_TAG_typedef ]
-!6 = metadata !{i32 786473, metadata !"foobar.h", metadata !"/tmp", metadata !2} ; [ DW_TAG_file_type ]
+!6 = metadata !{i32 786473, metadata !"foobar.h", metadata !"/tmp"} ; [ DW_TAG_file_type ]
 !7 = metadata !{i32 786468, metadata !1, metadata !"", metadata !1, i32 0, i64 128, i64 128, i64 0, i32 0, i32 7} ; [ DW_TAG_base_type ]
 !8 = metadata !{i32 786447, metadata !1, metadata !"", metadata !1, i32 0, i64 64, i64 64, i64 0, i32 0, metadata !5} ; [ DW_TAG_pointer_type ]
 !9 = metadata !{i32 786478, i32 0, metadata !1, metadata !"__divti3", metadata !"__divti3", metadata !"__divti3", metadata !1, i32 1094, metadata !10, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, i128 (i128, i128)* @__divti3, null, null, null, i32 1094} ; [ DW_TAG_subprogram ]
diff --git a/llvm/test/CodeGen/X86/dbg-value-location.ll b/llvm/test/CodeGen/X86/dbg-value-location.ll
index 16136f4bd608..7436c68151b8 100644
--- a/llvm/test/CodeGen/X86/dbg-value-location.ll
+++ b/llvm/test/CodeGen/X86/dbg-value-location.ll
@@ -48,7 +48,7 @@ declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
 !llvm.dbg.cu = !{!2}
 
 !0 = metadata !{i32 786478, i32 0, metadata !1, metadata !"foo", metadata !"foo", metadata !"", metadata !1, i32 19510, metadata !3, i1 false, i1 true, i32 0, i32 0, i32 0, i32 256, i1 true, i32 (i32, i64, i8*, i32)* @foo, null, null, null, i32 19510} ; [ DW_TAG_subprogram ]
-!1 = metadata !{i32 786473, metadata !"/tmp/f.c", metadata !"/tmp", metadata !2} ; [ DW_TAG_file_type ]
+!1 = metadata !{i32 786473, metadata !"/tmp/f.c", metadata !"/tmp"} ; [ DW_TAG_file_type ]
 !2 = metadata !{i32 786449, i32 0, i32 12, metadata !25, metadata !"clang version 2.9 (trunk 124753)", i1 true, metadata !"", i32 0, null, null, metadata !24, null, null} ; [ DW_TAG_compile_unit ]
 !3 = metadata !{i32 786453, 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 !{metadata !5}
diff --git a/llvm/test/CodeGen/X86/dbg-value-range.ll b/llvm/test/CodeGen/X86/dbg-value-range.ll
index 510f001a574c..a246f5777689 100644
--- a/llvm/test/CodeGen/X86/dbg-value-range.ll
+++ b/llvm/test/CodeGen/X86/dbg-value-range.ll
@@ -22,7 +22,7 @@ declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
 !21 = metadata !{metadata !6, metadata !11}
 
 !0 = metadata !{i32 786478, i32 0, metadata !1, metadata !"bar", metadata !"bar", metadata !"", metadata !1, i32 5, metadata !3, i1 false, i1 true, i32 0, i32 0, i32 0, i32 256, i1 true, i32 (%struct.a*)* @bar, null, null, metadata !21, i32 0} ; [ DW_TAG_subprogram ]
-!1 = metadata !{i32 786473, metadata !"bar.c", metadata !"/private/tmp", metadata !2} ; [ DW_TAG_file_type ]
+!1 = metadata !{i32 786473, metadata !"bar.c", metadata !"/private/tmp"} ; [ DW_TAG_file_type ]
 !2 = metadata !{i32 786449, i32 0, i32 12, metadata !1, metadata !"clang version 2.9 (trunk 122997)", i1 true, metadata !"", i32 0, null, null, metadata !20, null, null} ; [ DW_TAG_compile_unit ]
 !3 = metadata !{i32 786453, 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 !{metadata !5}
diff --git a/llvm/test/DebugInfo/2009-11-03-InsertExtractValue.ll b/llvm/test/DebugInfo/2009-11-03-InsertExtractValue.ll
index a2976a20de66..dc6d39ac07d8 100644
--- a/llvm/test/DebugInfo/2009-11-03-InsertExtractValue.ll
+++ b/llvm/test/DebugInfo/2009-11-03-InsertExtractValue.ll
@@ -2,7 +2,7 @@
 
 !dbg = !{!0}
 !0 = metadata !{i32 786478, i32 0, metadata !1, metadata !"bar", metadata !"bar", metadata !"_ZN3foo3barEv", metadata !1, i32 3, metadata !2, i1 false, i1 false, i32 0, i32 0, null, i32 258, i1 false, null, null, i32 0, metadata !1, i32 3} 
-!1 = metadata !{i32 41, metadata !"/foo", metadata !"bar.cpp", null}
+!1 = metadata !{i32 41, metadata !"/foo", metadata !"bar.cpp"} ; [ DW_TAG_file_type ]
 !2 = metadata !{i32 21, metadata !1, metadata !"", metadata !1, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !3, i32 0, null} ; [ DW_TAG_subroutine_type ]
 !3 = metadata !{null}
 
diff --git a/llvm/test/DebugInfo/2010-03-24-MemberFn.ll b/llvm/test/DebugInfo/2010-03-24-MemberFn.ll
index da86ea74f9c9..444f1d53e8ec 100644
--- a/llvm/test/DebugInfo/2010-03-24-MemberFn.ll
+++ b/llvm/test/DebugInfo/2010-03-24-MemberFn.ll
@@ -43,13 +43,13 @@ declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
 !1 = metadata !{i32 786443, metadata !2, i32 3, i32 0} ; [ DW_TAG_lexical_block ]
 !2 = metadata !{i32 786443, metadata !3, i32 3, i32 0} ; [ DW_TAG_lexical_block ]
 !3 = metadata !{i32 786478, i32 0, metadata !4, metadata !"bar", metadata !"bar", metadata !"_Z3barv", metadata !4, i32 3, metadata !6, i1 false, i1 true, i32 0, i32 0, null, i1 false, i32 ()* @_Z3barv, null, null, null, i32 3} ; [ DW_TAG_subprogram ]
-!4 = metadata !{i32 786473, metadata !"one.cc", metadata !"/tmp/", metadata !5} ; [ DW_TAG_file_type ]
+!4 = metadata !{i32 786473, metadata !"one.cc", metadata !"/tmp/"} ; [ DW_TAG_file_type ]
 !5 = metadata !{i32 786449, i32 0, i32 4, metadata !4, metadata !"4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", i1 false, metadata !"", i32 0, null, null, metadata !24, null, metadata !""} ; [ DW_TAG_compile_unit ]
 !6 = metadata !{i32 786453, metadata !4, metadata !"", metadata !4, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !7, i32 0, null} ; [ DW_TAG_subroutine_type ]
 !7 = metadata !{metadata !8}
 !8 = metadata !{i32 786468, metadata !4, metadata !"int", metadata !4, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
 !9 = metadata !{i32 786451, metadata !4, metadata !"S", metadata !10, i32 2, i64 8, i64 8, i64 0, i32 0, null, metadata !11, i32 0, null} ; [ DW_TAG_structure_type ]
-!10 = metadata !{i32 786473, metadata !"one.h", metadata !"/tmp/", metadata !5} ; [ DW_TAG_file_type ]
+!10 = metadata !{i32 786473, metadata !"one.h", metadata !"/tmp/"} ; [ DW_TAG_file_type ]
 !11 = metadata !{metadata !12}
 !12 = metadata !{i32 786478, i32 0, metadata !9, metadata !"foo", metadata !"foo", metadata !"_ZN1S3fooEv", metadata !10, i32 3, metadata !13, i1 false, i1 true, i32 0, i32 0, null, i1 false, i32 (%struct.S*)* @_ZN1S3fooEv, null, null, null, i32 3} ; [ DW_TAG_subprogram ]
 !13 = metadata !{i32 786453, metadata !4, metadata !"", metadata !4, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !14, i32 0, null} ; [ DW_TAG_subroutine_type ]
diff --git a/llvm/test/DebugInfo/2010-06-29-InlinedFnLocalVar.ll b/llvm/test/DebugInfo/2010-06-29-InlinedFnLocalVar.ll
index 7d5aec11f2ca..34f08f436d92 100644
--- a/llvm/test/DebugInfo/2010-06-29-InlinedFnLocalVar.ll
+++ b/llvm/test/DebugInfo/2010-06-29-InlinedFnLocalVar.ll
@@ -26,7 +26,7 @@ entry:
 !26 = metadata !{metadata !16}
 
 !0 = metadata !{i32 786478, i32 0, metadata !1, metadata !"foo", metadata !"foo", metadata !"", metadata !1, i32 9, metadata !3, i1 true, i1 true, i32 0, i32 0, null, i1 false, i1 true, null, null, null, metadata !24, i32 9} ; [ DW_TAG_subprogram ]
-!1 = metadata !{i32 786473, metadata !"bar.c", metadata !"/tmp/", metadata !2} ; [ DW_TAG_file_type ]
+!1 = metadata !{i32 786473, metadata !"bar.c", metadata !"/tmp/"} ; [ DW_TAG_file_type ]
 !2 = metadata !{i32 786449, i32 0, i32 1, metadata !1, metadata !"4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", i1 true, metadata !"", i32 0, null, null, metadata !25, metadata !26, metadata !""} ; [ DW_TAG_compile_unit ]
 !3 = metadata !{i32 786453, metadata !1, metadata !"", metadata !1, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !4, i32 0, null} ; [ DW_TAG_subroutine_type ]
 !4 = metadata !{metadata !5, metadata !5}
diff --git a/llvm/test/DebugInfo/X86/2010-04-13-PubType.ll b/llvm/test/DebugInfo/X86/2010-04-13-PubType.ll
index ddde9db38539..b5eb803352ab 100644
--- a/llvm/test/DebugInfo/X86/2010-04-13-PubType.ll
+++ b/llvm/test/DebugInfo/X86/2010-04-13-PubType.ll
@@ -33,7 +33,7 @@ declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
 
 !0 = metadata !{i32 786689, metadata !1, metadata !"x", metadata !2, i32 7, metadata !7, i32 0, null} ; [ DW_TAG_arg_variable ]
 !1 = metadata !{i32 786478, i32 0, metadata !2, metadata !"foo", metadata !"foo", metadata !"foo", metadata !2, i32 7, metadata !4, i1 false, i1 true, i32 0, i32 0, null, i32 0, i1 false, i32 (%struct.X*, %struct.Y*)* @foo, null, null, null, i32 7} ; [ DW_TAG_subprogram ]
-!2 = metadata !{i32 786473, metadata !"a.c", metadata !"/tmp/", metadata !3} ; [ DW_TAG_file_type ]
+!2 = metadata !{i32 786473, metadata !"a.c", metadata !"/tmp/"} ; [ DW_TAG_file_type ]
 !3 = metadata !{i32 786449, i32 0, i32 1, metadata !2, metadata !"4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", i1 false, metadata !"", i32 0, null, null, metadata !17, null, metadata !""} ; [ DW_TAG_compile_unit ]
 !4 = metadata !{i32 786453, metadata !2, metadata !"", metadata !2, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !5, i32 0, null} ; [ DW_TAG_subroutine_type ]
 !5 = metadata !{metadata !6, metadata !7, metadata !9}
diff --git a/llvm/test/DebugInfo/X86/2010-08-10-DbgConstant.ll b/llvm/test/DebugInfo/X86/2010-08-10-DbgConstant.ll
index bb60388fafe0..192e31ba09d3 100644
--- a/llvm/test/DebugInfo/X86/2010-08-10-DbgConstant.ll
+++ b/llvm/test/DebugInfo/X86/2010-08-10-DbgConstant.ll
@@ -16,7 +16,7 @@ declare void @bar(i32)
 !11 = metadata !{metadata !5}
 
 !0 = metadata !{i32 786478, i32 0, metadata !1, metadata !"foo", metadata !"foo", metadata !"foo", metadata !1, i32 3, metadata !3, i1 false, i1 true, i32 0, i32 0, null, i1 false, i1 false, void ()* @foo, null, null, null, i32 3} ; [ DW_TAG_subprogram ]
-!1 = metadata !{i32 786473, metadata !"/tmp/l.c", metadata !"/Volumes/Lalgate/clean/D", metadata !2} ; [ DW_TAG_file_type ]
+!1 = metadata !{i32 786473, metadata !"/tmp/l.c", metadata !"/Volumes/Lalgate/clean/D"} ; [ DW_TAG_file_type ]
 !2 = metadata !{i32 786449, i32 0, i32 12, metadata !1, metadata !"clang 2.8", i1 false, metadata !"", i32 0, null, null, metadata !10, metadata !11, metadata !""} ; [ DW_TAG_compile_unit ]
 !3 = metadata !{i32 786453, metadata !1, metadata !"", metadata !1, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !4, i32 0, null} ; [ DW_TAG_subroutine_type ]
 !4 = metadata !{null}
diff --git a/llvm/test/DebugInfo/X86/DW_AT_byte_size.ll b/llvm/test/DebugInfo/X86/DW_AT_byte_size.ll
index f20ca8839dfc..a04d3d7b4f35 100644
--- a/llvm/test/DebugInfo/X86/DW_AT_byte_size.ll
+++ b/llvm/test/DebugInfo/X86/DW_AT_byte_size.ll
@@ -28,7 +28,7 @@ declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
 !1 = metadata !{i32 0}
 !3 = metadata !{metadata !5}
 !5 = metadata !{i32 786478, i32 0, metadata !6, metadata !"foo", metadata !"foo", metadata !"_Z3fooP1A", metadata !6, i32 3, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 (%struct.A*)* @_Z3fooP1A, null, null, metadata !14, i32 3} ; [ DW_TAG_subprogram ]
-!6 = metadata !{i32 786473, metadata !"foo.cpp", metadata !"/Users/echristo", null} ; [ DW_TAG_file_type ]
+!6 = metadata !{i32 786473, metadata !"foo.cpp", metadata !"/Users/echristo"} ; [ DW_TAG_file_type ]
 !7 = metadata !{i32 786453, i32 0, metadata !"", i32 0, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !8, i32 0, i32 0} ; [ DW_TAG_subroutine_type ]
 !8 = metadata !{metadata !9, metadata !10}
 !9 = metadata !{i32 786468, null, metadata !"int", null, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
diff --git a/llvm/test/DebugInfo/X86/DW_AT_object_pointer.ll b/llvm/test/DebugInfo/X86/DW_AT_object_pointer.ll
index 1d99da5d0e36..ecce8d5b4702 100644
--- a/llvm/test/DebugInfo/X86/DW_AT_object_pointer.ll
+++ b/llvm/test/DebugInfo/X86/DW_AT_object_pointer.ll
@@ -51,7 +51,7 @@ entry:
 !1 = metadata !{i32 0}
 !3 = metadata !{metadata !5, metadata !10, metadata !20}
 !5 = metadata !{i32 786478, i32 0, metadata !6, metadata !"foo", metadata !"foo", metadata !"_Z3fooi", metadata !6, i32 7, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 (i32)* @_Z3fooi, null, null, metadata !1, i32 7} ; [ DW_TAG_subprogram ] [line 7] [def] [foo]
-!6 = metadata !{i32 786473, metadata !"bar.cpp", metadata !"/Users/echristo/debug-tests", null} ; [ DW_TAG_file_type ]
+!6 = metadata !{i32 786473, metadata !"bar.cpp", metadata !"/Users/echristo/debug-tests"} ; [ DW_TAG_file_type ]
 !7 = metadata !{i32 786453, i32 0, metadata !"", i32 0, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !8, i32 0, i32 0} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !8 = metadata !{metadata !9}
 !9 = metadata !{i32 786468, null, metadata !"int", null, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
diff --git a/llvm/test/DebugInfo/X86/block-capture.ll b/llvm/test/DebugInfo/X86/block-capture.ll
index e0dfa0beec81..7bf4d954fd51 100644
--- a/llvm/test/DebugInfo/X86/block-capture.ll
+++ b/llvm/test/DebugInfo/X86/block-capture.ll
@@ -66,7 +66,7 @@ declare i32 @__objc_personality_v0(...)
 !1 = metadata !{i32 0}
 !3 = metadata !{metadata !5, metadata !28, metadata !31, metadata !34}
 !5 = metadata !{i32 786478, i32 0, metadata !6, metadata !"foo", metadata !"foo", metadata !"", metadata !6, i32 5, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, null, null, null, metadata !26, i32 5} ; [ DW_TAG_subprogram ]
-!6 = metadata !{i32 786473, metadata !"foo.m", metadata !"/Users/echristo", null} ; [ DW_TAG_file_type ]
+!6 = metadata !{i32 786473, metadata !"foo.m", metadata !"/Users/echristo"} ; [ DW_TAG_file_type ]
 !7 = metadata !{i32 786453, i32 0, metadata !"", i32 0, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !8, i32 0, i32 0} ; [ DW_TAG_subroutine_type ]
 !8 = metadata !{null, metadata !9}
 !9 = metadata !{i32 786454, null, metadata !"dispatch_block_t", metadata !6, i32 1, i64 0, i64 0, i64 0, i32 0, metadata !10} ; [ DW_TAG_typedef ]
diff --git a/llvm/test/DebugInfo/X86/dbg-value-inlined-parameter.ll b/llvm/test/DebugInfo/X86/dbg-value-inlined-parameter.ll
index 83d357100c79..ffca1609558c 100644
--- a/llvm/test/DebugInfo/X86/dbg-value-inlined-parameter.ll
+++ b/llvm/test/DebugInfo/X86/dbg-value-inlined-parameter.ll
@@ -51,7 +51,7 @@ declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
 !41 = metadata !{metadata !9, metadata !18}
 
 !0 = metadata !{i32 786478, i32 0, metadata !1, metadata !"foo", metadata !"foo", metadata !"", metadata !1, i32 8, metadata !3, i1 false, i1 true, i32 0, i32 0, i32 0, i32 256, i1 true, i32 (%struct.S1*, i32)* @foo, null, null, metadata !41, i32 8} ; [ DW_TAG_subprogram ]
-!1 = metadata !{i32 786473, metadata !"nm2.c", metadata !"/private/tmp", metadata !2} ; [ DW_TAG_file_type ]
+!1 = metadata !{i32 786473, metadata !"nm2.c", metadata !"/private/tmp"} ; [ DW_TAG_file_type ]
 !2 = metadata !{i32 786449, i32 0, i32 12, metadata !1, metadata !"clang version 2.9 (trunk 125693)", i1 true, metadata !"", i32 0, null, null, metadata !39, metadata !40, null} ; [ DW_TAG_compile_unit ]
 !3 = metadata !{i32 786453, 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 !{metadata !5}
diff --git a/llvm/test/DebugInfo/X86/empty-and-one-elem-array.ll b/llvm/test/DebugInfo/X86/empty-and-one-elem-array.ll
index b77d71e10438..23575c63e146 100644
--- a/llvm/test/DebugInfo/X86/empty-and-one-elem-array.ll
+++ b/llvm/test/DebugInfo/X86/empty-and-one-elem-array.ll
@@ -63,7 +63,7 @@ declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
 !1 = metadata !{i32 0}
 !3 = metadata !{metadata !5}
 !5 = metadata !{i32 786478, i32 0, metadata !6, metadata !"func", metadata !"func", metadata !"", metadata !6, i32 11, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 0, i1 false, i32 ()* @func, null, null, metadata !1, i32 11} ; [ DW_TAG_subprogram ] [line 11] [def] [func]
-!6 = metadata !{i32 786473, metadata !"test.c", metadata !"/Volumes/Sandbox/llvm", null} ; [ DW_TAG_file_type ]
+!6 = metadata !{i32 786473, metadata !"test.c", metadata !"/Volumes/Sandbox/llvm"} ; [ DW_TAG_file_type ]
 !7 = metadata !{i32 786453, i32 0, metadata !"", i32 0, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !8, i32 0, i32 0} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !8 = metadata !{metadata !9}
 !9 = metadata !{i32 786468, null, metadata !"int", null, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
diff --git a/llvm/test/DebugInfo/X86/ending-run.ll b/llvm/test/DebugInfo/X86/ending-run.ll
index 83f04ea69576..f9cc2c0f318e 100644
--- a/llvm/test/DebugInfo/X86/ending-run.ll
+++ b/llvm/test/DebugInfo/X86/ending-run.ll
@@ -32,7 +32,7 @@ declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
 !1 = metadata !{i32 0}
 !3 = metadata !{metadata !5}
 !5 = metadata !{i32 786478, i32 0, metadata !6, metadata !"callee", metadata !"callee", metadata !"", metadata !6, i32 4, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 0, i1 false, i32 (i32)* @callee, null, null, metadata !10, i32 7} ; [ DW_TAG_subprogram ]
-!6 = metadata !{i32 786473, metadata !"ending-run.c", metadata !"/Users/echristo/tmp", null} ; [ DW_TAG_file_type ]
+!6 = metadata !{i32 786473, metadata !"ending-run.c", metadata !"/Users/echristo/tmp"} ; [ DW_TAG_file_type ]
 !7 = metadata !{i32 786453, i32 0, metadata !"", i32 0, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !8, i32 0, i32 0} ; [ DW_TAG_subroutine_type ]
 !8 = metadata !{metadata !9, metadata !9}
 !9 = metadata !{i32 786468, null, metadata !"int", null, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
diff --git a/llvm/test/DebugInfo/X86/misched-dbg-value.ll b/llvm/test/DebugInfo/X86/misched-dbg-value.ll
index 586a239ef2aa..bf80deb1711f 100644
--- a/llvm/test/DebugInfo/X86/misched-dbg-value.ll
+++ b/llvm/test/DebugInfo/X86/misched-dbg-value.ll
@@ -92,7 +92,7 @@ attributes #1 = { nounwind readnone }
 !0 = metadata !{i32 786449, i32 0, i32 12, metadata !3, metadata !"clang version 3.3 (trunk 175015)", i1 true, metadata !"", i32 0, metadata !1, metadata !10, metadata !11, metadata !29, metadata !""} ; [ DW_TAG_compile_unit ] [/Users/manmanren/test-Nov/rdar_13183203/test2/dry.c] [DW_LANG_C99]
 !1 = metadata !{metadata !2}
 !2 = metadata !{i32 786436, null, metadata !"", metadata !3, i32 128, i64 32, i64 32, i32 0, i32 0, null, metadata !4, i32 0, i32 0} ; [ DW_TAG_enumeration_type ] [line 128, size 32, align 32, offset 0] [from ]
-!3 = metadata !{i32 786473, metadata !"dry.c", metadata !"/Users/manmanren/test-Nov/rdar_13183203/test2", null} ; [ DW_TAG_file_type ]
+!3 = metadata !{i32 786473, metadata !"dry.c", metadata !"/Users/manmanren/test-Nov/rdar_13183203/test2"} ; [ DW_TAG_file_type ]
 !4 = metadata !{metadata !5, metadata !6, metadata !7, metadata !8, metadata !9}
 !5 = metadata !{i32 786472, metadata !"Ident1", i64 0} ; [ DW_TAG_enumerator ] [Ident1 :: 0]
 !6 = metadata !{i32 786472, metadata !"Ident2", i64 10000} ; [ DW_TAG_enumerator ] [Ident2 :: 10000]
diff --git a/llvm/test/DebugInfo/X86/multiple-at-const-val.ll b/llvm/test/DebugInfo/X86/multiple-at-const-val.ll
index 407821c6f002..cf262cfd6f32 100644
--- a/llvm/test/DebugInfo/X86/multiple-at-const-val.ll
+++ b/llvm/test/DebugInfo/X86/multiple-at-const-val.ll
@@ -34,7 +34,7 @@ declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
 !0 = metadata !{i32 786449, i32 0, i32 4, metadata !961, metadata !"clang version 3.3 (trunk 174207)", i1 true, metadata !"", i32 0, metadata !1, metadata !955, metadata !956, metadata !1786, metadata !""} ; [ DW_TAG_compile_unit ] [/privite/tmp/student2.cpp] [DW_LANG_C_plus_plus]
 !1 = metadata !{metadata !26}
 !4 = metadata !{i32 786489, null, metadata !"std", metadata !5, i32 48} ; [ DW_TAG_namespace ]
-!5 = metadata !{i32 786473, metadata !"os_base.h", metadata !"/privite/tmp", null} ; [ DW_TAG_file_type ]
+!5 = metadata !{i32 786473, metadata !"os_base.h", metadata !"/privite/tmp"} ; [ DW_TAG_file_type ]
 !25 = metadata !{i32 786472, metadata !"_S_os_fmtflags_end", i64 65536} ; [ DW_TAG_enumerator ]
 !26 = metadata !{i32 786436, metadata !4, metadata !"_Ios_Iostate", metadata !5, i32 146, i64 32, i64 32, i32 0, i32 0, null, metadata !27, i32 0, i32 0} ; [ DW_TAG_enumeration_type ]
 !27 = metadata !{metadata !28, metadata !29, metadata !30, metadata !31, metadata !32}
@@ -54,6 +54,6 @@ declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
 !955 = metadata !{i32 0}
 !956 = metadata !{metadata !960}
 !960 = metadata !{i32 786478, i32 0, metadata !961, metadata !"main", metadata !"main", metadata !"", metadata !961, i32 73, metadata !54, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, i32 ()* @main, null, null, metadata !955, i32 73} ; [ DW_TAG_subprogram ]
-!961 = metadata !{i32 786473, metadata !"student2.cpp", metadata !"/privite/tmp", null} ; [ DW_TAG_file_type ]
+!961 = metadata !{i32 786473, metadata !"student2.cpp", metadata !"/privite/tmp"} ; [ DW_TAG_file_type ]
 !1786 = metadata !{metadata !1800}
 !1800 = metadata !{i32 786484, i32 0, metadata !5, metadata !"badbit", metadata !"badbit", metadata !"badbit", metadata !5, i32 331, metadata !78, i32 1, i32 1, i32 1, metadata !77} ; [ DW_TAG_variable ]
diff --git a/llvm/test/DebugInfo/X86/op_deref.ll b/llvm/test/DebugInfo/X86/op_deref.ll
index d1a7acc97635..8bb381a05b3d 100644
--- a/llvm/test/DebugInfo/X86/op_deref.ll
+++ b/llvm/test/DebugInfo/X86/op_deref.ll
@@ -63,7 +63,7 @@ declare void @llvm.stackrestore(i8*) nounwind
 !1 = metadata !{i32 0}
 !3 = metadata !{metadata !5}
 !5 = metadata !{i32 786478, i32 0, metadata !6, metadata !"testVLAwithSize", metadata !"testVLAwithSize", metadata !"", metadata !6, i32 1, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (i32)* @testVLAwithSize, null, null, metadata !1, i32 2} ; [ DW_TAG_subprogram ]
-!6 = metadata !{i32 786473, metadata !"bar.c", metadata !"/Users/echristo/tmp", null} ; [ DW_TAG_file_type ]
+!6 = metadata !{i32 786473, metadata !"bar.c", metadata !"/Users/echristo/tmp"} ; [ DW_TAG_file_type ]
 !7 = metadata !{i32 786453, i32 0, metadata !"", i32 0, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !8, i32 0, i32 0} ; [ DW_TAG_subroutine_type ]
 !8 = metadata !{null, metadata !9}
 !9 = metadata !{i32 786468, null, metadata !"int", null, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
diff --git a/llvm/test/DebugInfo/X86/pr11300.ll b/llvm/test/DebugInfo/X86/pr11300.ll
index 8b45d9c4dafa..31bb1d365cdb 100644
--- a/llvm/test/DebugInfo/X86/pr11300.ll
+++ b/llvm/test/DebugInfo/X86/pr11300.ll
@@ -35,7 +35,7 @@ entry:
 !1 = metadata !{i32 0}
 !3 = metadata !{metadata !5, metadata !20}
 !5 = metadata !{i32 720942, i32 0, metadata !6, metadata !"zed", metadata !"zed", metadata !"_Z3zedP3foo", metadata !6, i32 4, metadata !7, i1 false, i1 true, i32 0, i32 0, i32 0, i32 256, i1 false, void (%struct.foo*)* @_Z3zedP3foo, null, null, metadata !18, i32 4} ; [ DW_TAG_subprogram ]
-!6 = metadata !{i32 720937, metadata !"/home/espindola/llvm/test.cc", metadata !"/home/espindola/tmpfs/build", null} ; [ DW_TAG_file_type ]
+!6 = metadata !{i32 720937, metadata !"/home/espindola/llvm/test.cc", metadata !"/home/espindola/tmpfs/build"} ; [ DW_TAG_file_type ]
 !7 = metadata !{i32 720917, i32 0, metadata !"", i32 0, i32 0, i64 0, i64 0, i32 0, i32 0, i32 0, metadata !8, i32 0, i32 0} ; [ DW_TAG_subroutine_type ]
 !8 = metadata !{null, metadata !9}
 !9 = metadata !{i32 786447, null, metadata !"", null, i32 0, i64 64, i64 64, i64 0, i32 0, metadata !10} ; [ DW_TAG_pointer_type ]
diff --git a/llvm/test/DebugInfo/X86/rvalue-ref.ll b/llvm/test/DebugInfo/X86/rvalue-ref.ll
index c2af7d4b1908..0fa806bdf9e2 100644
--- a/llvm/test/DebugInfo/X86/rvalue-ref.ll
+++ b/llvm/test/DebugInfo/X86/rvalue-ref.ll
@@ -26,7 +26,7 @@ declare i32 @printf(i8*, ...)
 !1 = metadata !{i32 0}
 !3 = metadata !{metadata !5}
 !5 = metadata !{i32 786478, i32 0, metadata !6, metadata !"foo", metadata !"foo", metadata !"_Z3fooOi", metadata !6, i32 4, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (i32*)* @_Z3fooOi, null, null, metadata !1, i32 5} ; [ DW_TAG_subprogram ]
-!6 = metadata !{i32 786473, metadata !"foo.cpp", metadata !"/Users/echristo/tmp", null} ; [ DW_TAG_file_type ]
+!6 = metadata !{i32 786473, metadata !"foo.cpp", metadata !"/Users/echristo/tmp"} ; [ DW_TAG_file_type ]
 !7 = metadata !{i32 786453, i32 0, metadata !"", i32 0, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !8, i32 0, i32 0} ; [ DW_TAG_subroutine_type ]
 !8 = metadata !{null, metadata !9}
 !9 = metadata !{i32 786498, null, null, null, i32 0, i64 0, i64 0, i64 0, i32 0, metadata !10} ; [ DW_TAG_rvalue_reference_type ]
diff --git a/llvm/test/DebugInfo/X86/subrange-type.ll b/llvm/test/DebugInfo/X86/subrange-type.ll
index 297af9913cb4..9fcda21259f2 100644
--- a/llvm/test/DebugInfo/X86/subrange-type.ll
+++ b/llvm/test/DebugInfo/X86/subrange-type.ll
@@ -24,7 +24,7 @@ declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
 !1 = metadata !{i32 0}
 !3 = metadata !{metadata !5}
 !5 = metadata !{i32 786478, i32 0, metadata !6, metadata !"main", metadata !"main", metadata !"", metadata !6, i32 2, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 ()* @main, null, null, metadata !1, i32 3} ; [ DW_TAG_subprogram ] [line 2] [def] [scope 3] [main]
-!6 = metadata !{i32 786473, metadata !"foo.c", metadata !"/usr/local/google/home/echristo/tmp", null} ; [ DW_TAG_file_type ]
+!6 = metadata !{i32 786473, metadata !"foo.c", metadata !"/usr/local/google/home/echristo/tmp"} ; [ DW_TAG_file_type ]
 !7 = metadata !{i32 786453, i32 0, metadata !"", i32 0, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !8, i32 0, i32 0} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !8 = metadata !{metadata !9}
 !9 = metadata !{i32 786468, null, metadata !"int", null, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
diff --git a/llvm/test/Instrumentation/AddressSanitizer/debug_info.ll b/llvm/test/Instrumentation/AddressSanitizer/debug_info.ll
index 7822fd06ab31..1a38298f520b 100644
--- a/llvm/test/Instrumentation/AddressSanitizer/debug_info.ll
+++ b/llvm/test/Instrumentation/AddressSanitizer/debug_info.ll
@@ -38,7 +38,7 @@ declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
 !3 = metadata !{metadata !4}
 !4 = metadata !{metadata !5}
 !5 = metadata !{i32 786478, i32 0, metadata !6, metadata !"zzz", metadata !"zzz", metadata !"_Z3zzzi", metadata !6, i32 1, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 (i32)* @_Z3zzzi, null, null, metadata !1, i32 1} ; [ DW_TAG_subprogram ] [line 1] [def] [zzz]
-!6 = metadata !{i32 786473, metadata !"a.cc", metadata !"/usr/local/google/llvm_cmake_clang/tmp/debuginfo", null} ; [ DW_TAG_file_type ]
+!6 = metadata !{i32 786473, metadata !"a.cc", metadata !"/usr/local/google/llvm_cmake_clang/tmp/debuginfo"} ; [ DW_TAG_file_type ]
 !7 = metadata !{i32 786453, i32 0, metadata !"", i32 0, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !8, i32 0, i32 0} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !8 = metadata !{metadata !9, metadata !9}
 !9 = metadata !{i32 786468, null, metadata !"int", null, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
diff --git a/llvm/test/Transforms/DeadArgElim/dbginfo.ll b/llvm/test/Transforms/DeadArgElim/dbginfo.ll
index d5135f7c158c..efa8504dfdae 100644
--- a/llvm/test/Transforms/DeadArgElim/dbginfo.ll
+++ b/llvm/test/Transforms/DeadArgElim/dbginfo.ll
@@ -40,7 +40,7 @@ entry:
 !1 = metadata !{i32 0}
 !3 = metadata !{metadata !5, metadata !8, metadata !9}
 !5 = metadata !{i32 786478, i32 0, metadata !6, metadata !"run", metadata !"run", metadata !"", metadata !6, i32 8, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void ()* @_Z3runv, null, null, metadata !1, i32 8} ; [ DW_TAG_subprogram ] [line 8] [def] [run]
-!6 = metadata !{i32 786473, metadata !"test.cc", metadata !"/home/samsonov/tmp/clang-di", null} ; [ DW_TAG_file_type ]
+!6 = metadata !{i32 786473, metadata !"test.cc", metadata !"/home/samsonov/tmp/clang-di"} ; [ DW_TAG_file_type ]
 !7 = metadata !{i32 786453, i32 0, metadata !"", i32 0, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !1, i32 0, i32 0} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !8 = metadata !{i32 786478, i32 0, metadata !6, metadata !"dead_vararg", metadata !"dead_vararg", metadata !"", metadata !6, i32 5, metadata !7, i1 true, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (...)* @_ZN12_GLOBAL__N_111dead_varargEz, null, null, metadata !1, i32 5} ; [ DW_TAG_subprogram ] [line 5] [local] [def] [dead_vararg]
 
diff --git a/llvm/test/Transforms/InstCombine/debuginfo.ll b/llvm/test/Transforms/InstCombine/debuginfo.ll
index b2b81a03882a..e9c82fb1547a 100644
--- a/llvm/test/Transforms/InstCombine/debuginfo.ll
+++ b/llvm/test/Transforms/InstCombine/debuginfo.ll
@@ -32,7 +32,7 @@ entry:
 
 !0 = metadata !{i32 786689, metadata !1, metadata !"__dest", metadata !2, i32 16777294, metadata !6, i32 0, null} ; [ DW_TAG_arg_variable ]
 !1 = metadata !{i32 786478, i32 0, metadata !2, metadata !"foobar", metadata !"foobar", metadata !"", metadata !2, i32 79, metadata !4, i1 true, i1 true, i32 0, i32 0, i32 0, i32 256, i1 true, i8* (i8*, i32, i64)* @foobar, null, null, metadata !25, i32 79} ; [ DW_TAG_subprogram ]
-!2 = metadata !{i32 786473, metadata !"string.h", metadata !"Game", metadata !3} ; [ DW_TAG_file_type ]
+!2 = metadata !{i32 786473, metadata !"string.h", metadata !"Game"} ; [ DW_TAG_file_type ]
 !3 = metadata !{i32 786449, i32 0, i32 12, metadata !26, metadata !"clang version 3.0 (trunk 127710)", i1 true, metadata !"", i32 0, null, null, metadata !24, null, null} ; [ DW_TAG_compile_unit ]
 !4 = metadata !{i32 786453, metadata !2, metadata !"", metadata !2, i32 0, i64 0, i64 0, i32 0, i32 0, i32 0, metadata !5, i32 0, i32 0} ; [ DW_TAG_subroutine_type ]
 !5 = metadata !{metadata !6}
@@ -56,4 +56,4 @@ entry:
 !23 = metadata !{i32 786443, metadata !1, i32 79, i32 1, metadata !2, i32 6} ; [ DW_TAG_lexical_block ]
 !24 = metadata !{metadata !1}
 !25 = metadata !{metadata !0, metadata !7, metadata !9}
-!26 = metadata !{i32 786473, metadata !"bits.c", metadata !"Game", metadata !3} ; [ DW_TAG_file_type ]
+!26 = metadata !{i32 786473, metadata !"bits.c", metadata !"Game"} ; [ DW_TAG_file_type ]
diff --git a/llvm/test/Transforms/Mem2Reg/ConvertDebugInfo.ll b/llvm/test/Transforms/Mem2Reg/ConvertDebugInfo.ll
index d70814fcb6cb..9d48b56d926d 100644
--- a/llvm/test/Transforms/Mem2Reg/ConvertDebugInfo.ll
+++ b/llvm/test/Transforms/Mem2Reg/ConvertDebugInfo.ll
@@ -8,7 +8,7 @@ entry:
   %0 = alloca double                              ; <double*> [#uses=2]
   %"alloca point" = bitcast i32 0 to i32          ; <i32> [#uses=0]
   call void @llvm.dbg.declare(metadata !{i32* %i_addr}, metadata !0), !dbg !8
-; CHECK: call void @llvm.dbg.value(metadata !{i32 %i}, i64 0, metadata !0)
+; CHECK: call void @llvm.dbg.value(metadata !{i32 %i}, i64 0, metadata !1)
 ; CHECK: call void @llvm.dbg.value(metadata !{double %j}, i64 0, metadata !9)
   store i32 %i, i32* %i_addr
   call void @llvm.dbg.declare(metadata !{double* %j_addr}, metadata !9), !dbg !8
@@ -30,9 +30,11 @@ return:                                           ; preds = %entry
 
 declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
 
+!llvm.dbg.cu = !{!3}
+
 !0 = metadata !{i32 786689, metadata !1, metadata !"i", metadata !2, i32 2, metadata !7, i32 0, null} ; [ DW_TAG_arg_variable ]
 !1 = metadata !{i32 786478, i32 0, metadata !2, metadata !"testfunc", metadata !"testfunc", metadata !"testfunc", metadata !2, i32 2, metadata !4, i1 false, i1 true, i32 0, i32 0, null, i32 0, i1 false, double (i32, double)* @testfunc, null, null, null, i32 2} ; [ DW_TAG_subprogram ]
-!2 = metadata !{i32 786473, metadata !"testfunc.c", metadata !"/tmp", metadata !3} ; [ DW_TAG_file_type ]
+!2 = metadata !{i32 786473, metadata !"testfunc.c", metadata !"/tmp"} ; [ DW_TAG_file_type ]
 !3 = metadata !{i32 786449, i32 0, i32 1, metadata !"testfunc.c", metadata !"/tmp", metadata !"4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", i1 true, i1 false, metadata !"", i32 0} ; [ DW_TAG_compile_unit ]
 !4 = metadata !{i32 786453, metadata !2, metadata !"", metadata !2, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !5, i32 0, null} ; [ DW_TAG_subroutine_type ]
 !5 = metadata !{metadata !6, metadata !7, metadata !6}
diff --git a/llvm/test/Transforms/Mem2Reg/ConvertDebugInfo2.ll b/llvm/test/Transforms/Mem2Reg/ConvertDebugInfo2.ll
index d1a4d8414adf..087e7721fc4d 100644
--- a/llvm/test/Transforms/Mem2Reg/ConvertDebugInfo2.ll
+++ b/llvm/test/Transforms/Mem2Reg/ConvertDebugInfo2.ll
@@ -32,7 +32,7 @@ return:                                           ; preds = %entry
 
 !0 = metadata !{i32 786689, metadata !1, metadata !"a", metadata !2, i32 8, metadata !6, i32 0, null} ; [ DW_TAG_arg_variable ]
 !1 = metadata !{i32 786478, i32 0, metadata !2, metadata !"baz", metadata !"baz", metadata !"baz", metadata !2, i32 8, metadata !4, i1 false, i1 true, i32 0, i32 0, null, i32 0, i1 false, void (i32)* @baz, null, null, null, i32 8} ; [ DW_TAG_subprogram ]
-!2 = metadata !{i32 786473, metadata !"bar.c", metadata !"/tmp/", metadata !3} ; [ DW_TAG_file_type ]
+!2 = metadata !{i32 786473, metadata !"bar.c", metadata !"/tmp/"} ; [ DW_TAG_file_type ]
 !3 = metadata !{i32 786449, i32 0, i32 1, metadata !"bar.c", metadata !"/tmp/", metadata !"4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", i1 true, i1 false, metadata !"", i32 0} ; [ DW_TAG_compile_unit ]
 !4 = metadata !{i32 786453, metadata !2, metadata !"", metadata !2, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !5, i32 0, null} ; [ DW_TAG_subroutine_type ]
 !5 = metadata !{null, metadata !6}
diff --git a/llvm/test/Transforms/ScalarRepl/debuginfo-preserved.ll b/llvm/test/Transforms/ScalarRepl/debuginfo-preserved.ll
index e7234d3c2aca..7fd6b00fe4b2 100644
--- a/llvm/test/Transforms/ScalarRepl/debuginfo-preserved.ll
+++ b/llvm/test/Transforms/ScalarRepl/debuginfo-preserved.ll
@@ -44,7 +44,7 @@ declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
 
 !0 = metadata !{i32 786449, i32 0, i32 12, metadata !2, metadata !"clang version 3.0 (trunk 131941)", i1 false, metadata !"", i32 0, null, null, metadata !17, null, null} ; [ DW_TAG_compile_unit ]
 !1 = metadata !{i32 786478, i32 0, metadata !2, metadata !"f", metadata !"f", metadata !"", metadata !2, i32 1, metadata !3, i1 false, i1 true, i32 0, i32 0, i32 0, i32 256, i1 false, i32 (i32, i32)* @f, null, null, null, i32 1} ; [ DW_TAG_subprogram ]
-!2 = metadata !{i32 786473, metadata !"/d/j/debug-test.c", metadata !"/Volumes/Data/b", metadata !0} ; [ DW_TAG_file_type ]
+!2 = metadata !{i32 786473, metadata !"/d/j/debug-test.c", metadata !"/Volumes/Data/b"} ; [ DW_TAG_file_type ]
 !3 = metadata !{i32 786453, metadata !2, metadata !"", metadata !2, i32 0, i64 0, i64 0, i32 0, i32 0, i32 0, metadata !4, i32 0, i32 0} ; [ DW_TAG_subroutine_type ]
 !4 = metadata !{metadata !5}
 !5 = metadata !{i32 786468, metadata !0, metadata !"int", null, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]