diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index ee23a1c5d22..a0d58c6310c 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -2199,6 +2199,7 @@ void DwarfDebug::emitDebugLoc() {
   for (const auto &DebugLoc : DotDebugLocEntries) {
     Asm->OutStreamer.EmitLabel(DebugLoc.Label);
     const DwarfCompileUnit *CU = DebugLoc.CU;
+    assert(!CU->getRanges().empty());
     for (const auto &Entry : DebugLoc.List) {
       // Set up the range. This range is relative to the entry point of the
       // compile unit. This is a hard coded 0 for low_pc when we're emitting
diff --git a/test/CodeGen/ARM/2010-08-04-StackVariable.ll b/test/CodeGen/ARM/2010-08-04-StackVariable.ll
index 48de2449718..1e86c5099d1 100644
--- a/test/CodeGen/ARM/2010-08-04-StackVariable.ll
+++ b/test/CodeGen/ARM/2010-08-04-StackVariable.ll
@@ -80,7 +80,7 @@ declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
 !0 = metadata !{i32 786478, metadata !48, metadata !1, metadata !"SVal", metadata !"SVal", metadata !"", i32 11, metadata !14, i1 false, i1 false, i32 0, i32 0, null, i1 false, i1 false, null, null, null, null, i32 0} ; [ DW_TAG_subprogram ]
 !1 = metadata !{i32 786451, metadata !48, null, metadata !"SVal", i32 1, i64 128, i64 64, i64 0, i32 0, null, metadata !4, i32 0, null, null, null} ; [ DW_TAG_structure_type ] [SVal] [line 1, size 128, align 64, offset 0] [def] [from ]
 !2 = metadata !{i32 786473, metadata !48} ; [ DW_TAG_file_type ]
-!3 = metadata !{i32 786449, metadata !48, i32 4, 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 !47, metadata !""} ; [ DW_TAG_compile_unit ]
+!3 = metadata !{i32 786449, metadata !48, i32 4, 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 !47, metadata !"", i32 1} ; [ DW_TAG_compile_unit ]
 !4 = metadata !{metadata !5, metadata !7, metadata !0, metadata !9}
 !5 = metadata !{i32 786445, metadata !48, metadata !1, metadata !"Data", i32 7, i64 64, i64 64, i64 0, i32 0, metadata !6} ; [ DW_TAG_member ]
 !6 = metadata !{i32 786447, metadata !48, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, null} ; [ DW_TAG_pointer_type ]
diff --git a/test/CodeGen/ARM/debug-info-arg.ll b/test/CodeGen/ARM/debug-info-arg.ll
index 31d0324de68..ebe2e934d12 100644
--- a/test/CodeGen/ARM/debug-info-arg.ll
+++ b/test/CodeGen/ARM/debug-info-arg.ll
@@ -32,7 +32,7 @@ declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
 !llvm.dbg.cu = !{!0}
 !llvm.module.flags = !{!33}
 
-!0 = metadata !{i32 786449, metadata !32, i32 12, metadata !"Apple clang version 3.0 (tags/Apple/clang-211.10.1) (based on LLVM 3.0svn)", i1 true, metadata !"", i32 0, metadata !4, metadata !4, metadata !30, null,  null, null} ; [ DW_TAG_compile_unit ]
+!0 = metadata !{i32 786449, metadata !32, i32 12, metadata !"Apple clang version 3.0 (tags/Apple/clang-211.10.1) (based on LLVM 3.0svn)", i1 true, metadata !"", i32 0, metadata !4, metadata !4, metadata !30, null,  null, null, i31 1} ; [ DW_TAG_compile_unit ]
 !1 = metadata !{i32 786478, metadata !2, metadata !2, metadata !"foo", metadata !"foo", metadata !"", i32 11, metadata !3, i1 false, i1 true, i32 0, i32 0, null, 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 ] [line 11] [def] [foo]
 !2 = metadata !{i32 786473, metadata !32} ; [ DW_TAG_file_type ]
 !3 = metadata !{i32 786453, metadata !32, metadata !2, metadata !"", i32 0, i64 0, i64 0, i32 0, i32 0, null, metadata !4, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
diff --git a/test/CodeGen/ARM/debug-info-blocks.ll b/test/CodeGen/ARM/debug-info-blocks.ll
index 5ad5e59b880..2b1513c1e8b 100644
--- a/test/CodeGen/ARM/debug-info-blocks.ll
+++ b/test/CodeGen/ARM/debug-info-blocks.ll
@@ -95,7 +95,7 @@ define hidden void @foobar_func_block_invoke_0(i8* %.block_descriptor, %0* %load
 !llvm.dbg.cu = !{!0}
 !llvm.module.flags = !{!162}
 
-!0 = metadata !{i32 786449, metadata !153, i32 16, metadata !"Apple clang version 2.1", i1 false, metadata !"", i32 2, metadata !147, metadata !26, metadata !148, null, null, metadata !""} ; [ DW_TAG_compile_unit ]
+!0 = metadata !{i32 786449, metadata !153, i32 16, metadata !"Apple clang version 2.1", i1 false, metadata !"", i32 2, metadata !147, metadata !26, metadata !148, null, null, metadata !"", i32 1} ; [ DW_TAG_compile_unit ]
 !1 = metadata !{i32 786436, metadata !160, metadata !0, metadata !"", i32 248, i64 32, i64 32, i32 0, i32 0, null, metadata !3, i32 0, null, null, null} ; [ DW_TAG_enumeration_type ] [line 248, size 32, align 32, offset 0] [def] [from ]
 !2 = metadata !{i32 786473, metadata !160} ; [ DW_TAG_file_type ]
 !3 = metadata !{metadata !4}
diff --git a/test/CodeGen/ARM/debug-info-branch-folding.ll b/test/CodeGen/ARM/debug-info-branch-folding.ll
index d1b3f92218b..f2a51d6a96a 100644
--- a/test/CodeGen/ARM/debug-info-branch-folding.ll
+++ b/test/CodeGen/ARM/debug-info-branch-folding.ll
@@ -44,7 +44,7 @@ declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
 
 !0 = metadata !{i32 786478, metadata !54, null, metadata !"test0001", metadata !"test0001", metadata !"", i32 3, metadata !3, i1 false, i1 true, i32 0, i32 0, i32 0, i32 256, i1 true, <4 x float> (float)* @test0001, null, null, metadata !51, i32 0} ; [ DW_TAG_subprogram ]
 !1 = metadata !{i32 786473, metadata !54} ; [ DW_TAG_file_type ]
-!2 = metadata !{i32 786449, metadata !54, i32 12, metadata !"clang version 3.0 (trunk 129915)", i1 true, metadata !"", i32 0, metadata !17, metadata !17, metadata !50, null,  null, null} ; [ DW_TAG_compile_unit ]
+!2 = metadata !{i32 786449, metadata !54, i32 12, metadata !"clang version 3.0 (trunk 129915)", i1 true, metadata !"", i32 0, metadata !17, metadata !17, metadata !50, null,  null, null, i32 1} ; [ DW_TAG_compile_unit ]
 !3 = metadata !{i32 786453, metadata !54, metadata !1, metadata !"", 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 786454, metadata !54, metadata !2, metadata !"v4f32", i32 14, i64 0, i64 0, i64 0, i32 0, metadata !6} ; [ DW_TAG_typedef ]
diff --git a/test/CodeGen/ARM/debug-info-d16-reg.ll b/test/CodeGen/ARM/debug-info-d16-reg.ll
index 30a3e2dcdc2..84fb57e51a9 100644
--- a/test/CodeGen/ARM/debug-info-d16-reg.ll
+++ b/test/CodeGen/ARM/debug-info-d16-reg.ll
@@ -61,7 +61,7 @@ declare i32 @puts(i8* nocapture) nounwind
 
 !0 = metadata !{i32 786478, metadata !46, metadata !1, metadata !"printer", metadata !"printer", metadata !"printer", 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 !46} ; [ DW_TAG_file_type ]
-!2 = metadata !{i32 786449, metadata !46, i32 1, metadata !"(LLVM build 00)", i1 true, metadata !"", i32 0, metadata !47, metadata !47, metadata !42, null,  null, metadata !""} ; [ DW_TAG_compile_unit ]
+!2 = metadata !{i32 786449, metadata !46, i32 1, metadata !"(LLVM build 00)", i1 true, metadata !"", i32 0, metadata !47, metadata !47, metadata !42, null,  null, metadata !"", i32 1} ; [ DW_TAG_compile_unit ]
 !3 = metadata !{i32 786453, metadata !46, metadata !1, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !4, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !4 = metadata !{metadata !5, metadata !6, metadata !7, metadata !8}
 !5 = metadata !{i32 786468, metadata !46, metadata !1, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
diff --git a/test/CodeGen/ARM/debug-info-qreg.ll b/test/CodeGen/ARM/debug-info-qreg.ll
index 03ce312a901..b7f88123ac2 100644
--- a/test/CodeGen/ARM/debug-info-qreg.ll
+++ b/test/CodeGen/ARM/debug-info-qreg.ll
@@ -42,7 +42,7 @@ declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
 
 !0 = metadata !{i32 786478, metadata !54, metadata !1, metadata !"test0001", metadata !"test0001", metadata !"", i32 3, metadata !3, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, <4 x float> (float)* @test0001, null, null, metadata !51, i32 3} ; [ DW_TAG_subprogram ] [line 3] [def] [test0001]
 !1 = metadata !{i32 786473, metadata !54} ; [ DW_TAG_file_type ]
-!2 = metadata !{i32 786449, metadata !54, i32 12, metadata !"clang version 3.0 (trunk 129915)", i1 true, metadata !"", i32 0, metadata !17, metadata !17, metadata !50, null,  null, null} ; [ DW_TAG_compile_unit ]
+!2 = metadata !{i32 786449, metadata !54, i32 12, metadata !"clang version 3.0 (trunk 129915)", i1 true, metadata !"", i32 0, metadata !17, metadata !17, metadata !50, null,  null, null, i32 1} ; [ DW_TAG_compile_unit ]
 !3 = metadata !{i32 786453, metadata !54, metadata !1, metadata !"", i32 0, i64 0, i64 0, i32 0, i32 0, null, metadata !4, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !4 = metadata !{metadata !5}
 !5 = metadata !{i32 786454, metadata !54, metadata !2, metadata !"v4f32", i32 14, i64 0, i64 0, i64 0, i32 0, metadata !6} ; [ DW_TAG_typedef ]
diff --git a/test/CodeGen/ARM/debug-info-s16-reg.ll b/test/CodeGen/ARM/debug-info-s16-reg.ll
index ee9faf833cc..6d992d9a4f5 100644
--- a/test/CodeGen/ARM/debug-info-s16-reg.ll
+++ b/test/CodeGen/ARM/debug-info-s16-reg.ll
@@ -68,7 +68,7 @@ declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
 
 !0 = metadata !{i32 786478, metadata !51, metadata !1, metadata !"inlineprinter", metadata !"inlineprinter", metadata !"", i32 5, metadata !3, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, i32 (i8*, float, i8)* @inlineprinter, null, null, metadata !48, i32 5} ; [ DW_TAG_subprogram ] [line 5] [def] [inlineprinter]
 !1 = metadata !{i32 786473, metadata !51} ; [ DW_TAG_file_type ]
-!2 = metadata !{i32 786449, metadata !51, i32 12, metadata !"clang version 3.0 (trunk 129915)", i1 true, metadata !"", i32 0, metadata !52, metadata !52, metadata !47, null,  null, null} ; [ DW_TAG_compile_unit ]
+!2 = metadata !{i32 786449, metadata !51, i32 12, metadata !"clang version 3.0 (trunk 129915)", i1 true, metadata !"", i32 0, metadata !52, metadata !52, metadata !47, null,  null, null, i32 1} ; [ DW_TAG_compile_unit ]
 !3 = metadata !{i32 786453, metadata !51, metadata !1, metadata !"", i32 0, i64 0, i64 0, i32 0, i32 0, null, metadata !4, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !4 = metadata !{metadata !5}
 !5 = metadata !{i32 786468, null, metadata !2, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
diff --git a/test/CodeGen/Hexagon/hwloop-dbg.ll b/test/CodeGen/Hexagon/hwloop-dbg.ll
index 9537489b03d..67e12df84d2 100644
--- a/test/CodeGen/Hexagon/hwloop-dbg.ll
+++ b/test/CodeGen/Hexagon/hwloop-dbg.ll
@@ -37,7 +37,7 @@ declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
 !llvm.dbg.cu = !{!0}
 !llvm.module.flags = !{!29}
 
-!0 = metadata !{i32 786449, metadata !28, i32 12, metadata !"QuIC LLVM Hexagon Clang version 6.1-pre-unknown, (git://git-hexagon-aus.quicinc.com/llvm/clang-mainline.git e9382867661454cdf44addb39430741578e9765c) (llvm/llvm-mainline.git 36412bb1fcf03ed426d4437b41198bae066675ac)", i1 true, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, null, metadata !""} ; [ DW_TAG_compile_unit ] [/usr2/kparzysz/s.hex/t/hwloop-dbg.c] [DW_LANG_C99]
+!0 = metadata !{i32 786449, metadata !28, i32 12, metadata !"QuIC LLVM Hexagon Clang version 6.1-pre-unknown, (git://git-hexagon-aus.quicinc.com/llvm/clang-mainline.git e9382867661454cdf44addb39430741578e9765c) (llvm/llvm-mainline.git 36412bb1fcf03ed426d4437b41198bae066675ac)", i1 true, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, null, metadata !"", i32 1} ; [ DW_TAG_compile_unit ] [/usr2/kparzysz/s.hex/t/hwloop-dbg.c] [DW_LANG_C99]
 !2 = metadata !{}
 !3 = metadata !{metadata !5}
 !5 = metadata !{i32 786478, metadata !28, null, metadata !"foo", metadata !"foo", metadata !"", i32 1, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, void (i32*, i32*)* @foo, null, null, metadata !11, i32 1} ; [ DW_TAG_subprogram ] [line 1] [def] [foo]
diff --git a/test/CodeGen/X86/2010-05-25-DotDebugLoc.ll b/test/CodeGen/X86/2010-05-25-DotDebugLoc.ll
index 7faee993a7d..d9f51759981 100644
--- a/test/CodeGen/X86/2010-05-25-DotDebugLoc.ll
+++ b/test/CodeGen/X86/2010-05-25-DotDebugLoc.ll
@@ -204,7 +204,7 @@ 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, metadata !45, metadata !2, metadata !"__divsc3", metadata !"__divsc3", metadata !"__divsc3", 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 !45} ; [ DW_TAG_file_type ]
-!3 = metadata !{i32 786449, metadata !45, i32 1, metadata !"4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", i1 true, metadata !"", i32 0, metadata !47, metadata !47, metadata !44, null,  null, metadata !""} ; [ DW_TAG_compile_unit ]
+!3 = metadata !{i32 786449, metadata !45, i32 1, metadata !"4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", i1 true, metadata !"", i32 0, metadata !47, metadata !47, metadata !44, null,  null, metadata !"", i32 1} ; [ DW_TAG_compile_unit ]
 !4 = metadata !{i32 786453, metadata !45, metadata !2, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !5, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !5 = metadata !{metadata !6, metadata !9, metadata !9, metadata !9, metadata !9}
 !6 = metadata !{i32 786454, metadata !46, metadata !7, metadata !"SCtype", i32 170, i64 0, i64 0, i64 0, i32 0, metadata !8} ; [ DW_TAG_typedef ]
diff --git a/test/CodeGen/X86/2010-05-28-Crash.ll b/test/CodeGen/X86/2010-05-28-Crash.ll
index 1114c8dc87b..a50892afa77 100644
--- a/test/CodeGen/X86/2010-05-28-Crash.ll
+++ b/test/CodeGen/X86/2010-05-28-Crash.ll
@@ -28,7 +28,7 @@ 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, metadata !18, metadata !2, metadata !"foo", metadata !"foo", metadata !"foo", 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 !18} ; [ DW_TAG_file_type ]
-!3 = metadata !{i32 786449, metadata !18, i32 1, metadata !"4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", i1 true, metadata !"", i32 0, metadata !19, metadata !19, metadata !17, null,  null, metadata !""} ; [ DW_TAG_compile_unit ]
+!3 = metadata !{i32 786449, metadata !18, i32 1, metadata !"4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", i1 true, metadata !"", i32 0, metadata !19, metadata !19, metadata !17, null,  null, metadata !"", i32 1} ; [ DW_TAG_compile_unit ]
 !4 = metadata !{i32 786453, metadata !18, metadata !2, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !5, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !5 = metadata !{metadata !6, metadata !6}
 !6 = metadata !{i32 786468, metadata !18, metadata !2, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
diff --git a/test/CodeGen/X86/2010-08-04-StackVariable.ll b/test/CodeGen/X86/2010-08-04-StackVariable.ll
index 09e34ef6b7f..4a73141461f 100644
--- a/test/CodeGen/X86/2010-08-04-StackVariable.ll
+++ b/test/CodeGen/X86/2010-08-04-StackVariable.ll
@@ -81,7 +81,7 @@ declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
 !0 = metadata !{i32 786478, metadata !47, metadata !1, metadata !"SVal", metadata !"SVal", metadata !"", i32 11, metadata !14, i1 false, i1 false, i32 0, i32 0, null, i1 false, i1 false, null, null, null, null, i32 11} ; [ DW_TAG_subprogram ]
 !1 = metadata !{i32 786451, metadata !47, metadata !2, metadata !"SVal", i32 1, i64 128, i64 64, i64 0, i32 0, null, metadata !4, i32 0, null, null, null} ; [ DW_TAG_structure_type ] [SVal] [line 1, size 128, align 64, offset 0] [def] [from ]
 !2 = metadata !{i32 786473, metadata !47} ; [ DW_TAG_file_type ]
-!3 = metadata !{i32 786449, metadata !47, i32 4, metadata !"4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", i1 false, metadata !"", i32 0, metadata !48, metadata !48, metadata !46, null,  null, metadata !""} ; [ DW_TAG_compile_unit ]
+!3 = metadata !{i32 786449, metadata !47, i32 4, metadata !"4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", i1 false, metadata !"", i32 0, metadata !48, metadata !48, metadata !46, null,  null, metadata !"", i32 1} ; [ DW_TAG_compile_unit ]
 !4 = metadata !{metadata !5, metadata !7, metadata !0, metadata !9}
 !5 = metadata !{i32 786445, metadata !47, metadata !1, metadata !"Data", i32 7, i64 64, i64 64, i64 0, i32 0, metadata !6} ; [ DW_TAG_member ]
 !6 = metadata !{i32 786447, metadata !47, metadata !2, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, null} ; [ DW_TAG_pointer_type ]
diff --git a/test/CodeGen/X86/2011-01-24-DbgValue-Before-Use.ll b/test/CodeGen/X86/2011-01-24-DbgValue-Before-Use.ll
index 625a35161c1..a4fdee961c8 100644
--- a/test/CodeGen/X86/2011-01-24-DbgValue-Before-Use.ll
+++ b/test/CodeGen/X86/2011-01-24-DbgValue-Before-Use.ll
@@ -80,7 +80,7 @@ declare i32 @puts(i8* nocapture) nounwind
 
 !0 = metadata !{i32 786478, metadata !31, metadata !1, metadata !"gcd", metadata !"gcd", metadata !"", i32 5, metadata !3, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, i64 (i64, i64)* @gcd, null, null, metadata !29, i32 0} ; [ DW_TAG_subprogram ] [line 5] [def] [scope 0] [gcd]
 !1 = metadata !{i32 786473, metadata !31} ; [ DW_TAG_file_type ]
-!2 = metadata !{i32 786449, metadata !31, i32 12, metadata !"clang version 2.9 (trunk 124117)", i1 true, metadata !"", i32 0, metadata !32, metadata !32, metadata !28, null,  null, null} ; [ DW_TAG_compile_unit ]
+!2 = metadata !{i32 786449, metadata !31, i32 12, metadata !"clang version 2.9 (trunk 124117)", i1 true, metadata !"", i32 0, metadata !32, metadata !32, metadata !28, null,  null, null, i32 1} ; [ DW_TAG_compile_unit ]
 !3 = metadata !{i32 786453, metadata !31, metadata !1, metadata !"", i32 0, i64 0, i64 0, i32 0, i32 0, null, metadata !4, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !4 = metadata !{metadata !5}
 !5 = metadata !{i32 786468, null, metadata !2, metadata !"long int", i32 0, i64 64, i64 64, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
diff --git a/test/CodeGen/X86/MachineSink-DbgValue.ll b/test/CodeGen/X86/MachineSink-DbgValue.ll
index 4ce2fb3dcaf..c03cc361394 100644
--- a/test/CodeGen/X86/MachineSink-DbgValue.ll
+++ b/test/CodeGen/X86/MachineSink-DbgValue.ll
@@ -28,7 +28,7 @@ declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
 !llvm.dbg.cu = !{!0}
 !llvm.module.flags = !{!22}
 
-!0 = metadata !{i32 786449, metadata !20, i32 12, metadata !"Apple clang version 3.0 (tags/Apple/clang-211.10.1) (based on LLVM 3.0svn)", i1 true, metadata !"", i32 0, metadata !21, metadata !21, metadata !18, null,  null, null} ; [ DW_TAG_compile_unit ]
+!0 = metadata !{i32 786449, metadata !20, i32 12, metadata !"Apple clang version 3.0 (tags/Apple/clang-211.10.1) (based on LLVM 3.0svn)", i1 true, metadata !"", i32 0, metadata !21, metadata !21, metadata !18, null,  null, null, i32 1} ; [ DW_TAG_compile_unit ]
 !1 = metadata !{i32 786478, metadata !20, metadata !2, metadata !"foo", metadata !"foo", metadata !"", i32 2, metadata !3, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, i32 (i32, i32*)* @foo, null, null, metadata !19, i32 0} ; [ DW_TAG_subprogram ] [line 2] [def] [scope 0] [foo]
 !2 = metadata !{i32 786473, metadata !20} ; [ DW_TAG_file_type ]
 !3 = metadata !{i32 786453, metadata !20, metadata !2, metadata !"", i32 0, i64 0, i64 0, i32 0, i32 0, null, metadata !4, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
diff --git a/test/CodeGen/X86/stack-protector-dbginfo.ll b/test/CodeGen/X86/stack-protector-dbginfo.ll
index cf88ade9363..8cd4454edb9 100644
--- a/test/CodeGen/X86/stack-protector-dbginfo.ll
+++ b/test/CodeGen/X86/stack-protector-dbginfo.ll
@@ -25,7 +25,7 @@ attributes #0 = { sspreq }
 !llvm.dbg.cu = !{!0}
 !llvm.module.flags = !{!21, !72}
 
-!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.4 ", i1 true, metadata !"", i32 0, metadata !2, metadata !5, metadata !8, metadata !20, metadata !5, metadata !""} ; [ DW_TAG_compile_unit ] [/Users/matt/ryan_bug/<unknown>] [DW_LANG_C_plus_plus]
+!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.4 ", i1 true, metadata !"", i32 0, metadata !2, metadata !5, metadata !8, metadata !20, metadata !5, metadata !"", i32 1} ; [ DW_TAG_compile_unit ] [/Users/matt/ryan_bug/<unknown>] [DW_LANG_C_plus_plus]
 !1 = metadata !{metadata !"<unknown>", metadata !"/Users/matt/ryan_bug"}
 !2 = metadata !{metadata !3}
 !3 = metadata !{i32 786436, metadata !1, metadata !4, metadata !"", i32 20, i64 32, i64 32, i32 0, i32 0, null, metadata !6, i32 0, null, null, null} ; [ DW_TAG_enumeration_type ] [line 20, size 32, align 32, offset 0] [def] [from ]
diff --git a/test/DebugInfo/ARM/PR16736.ll b/test/DebugInfo/ARM/PR16736.ll
index 8c025ad487b..c26f0ca5a72 100644
--- a/test/DebugInfo/ARM/PR16736.ll
+++ b/test/DebugInfo/ARM/PR16736.ll
@@ -41,7 +41,7 @@ attributes #3 = { nounwind }
 !llvm.dbg.cu = !{!0}
 !llvm.module.flags = !{!17, !21}
 
-!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.4 (trunk 190804) (llvm/trunk 190797)", i1 true, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [//<unknown>] [DW_LANG_C_plus_plus]
+!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.4 (trunk 190804) (llvm/trunk 190797)", i1 true, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2, metadata !"", i32 1} ; [ DW_TAG_compile_unit ] [//<unknown>] [DW_LANG_C_plus_plus]
 !1 = metadata !{metadata !"/<unknown>", metadata !""}
 !2 = metadata !{}
 !3 = metadata !{metadata !4}
diff --git a/test/DebugInfo/X86/DW_AT_location-reference.ll b/test/DebugInfo/X86/DW_AT_location-reference.ll
index f31b0ad3259..abfbe704b01 100644
--- a/test/DebugInfo/X86/DW_AT_location-reference.ll
+++ b/test/DebugInfo/X86/DW_AT_location-reference.ll
@@ -104,7 +104,7 @@ declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
 
 !0 = metadata !{i32 786478, metadata !23, metadata !1, metadata !"f", metadata !"f", metadata !"", i32 4, metadata !3, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, void ()* @f, null, null, metadata !22, i32 4} ; [ DW_TAG_subprogram ] [line 4] [def] [f]
 !1 = metadata !{i32 786473, metadata !23} ; [ DW_TAG_file_type ]
-!2 = metadata !{i32 786449, metadata !23, i32 12, metadata !"clang version 3.0 (trunk)", i1 true, metadata !"", i32 0, metadata !4, metadata !4, metadata !21, null,  null, null} ; [ DW_TAG_compile_unit ]
+!2 = metadata !{i32 786449, metadata !23, i32 12, metadata !"clang version 3.0 (trunk)", i1 true, metadata !"", i32 0, metadata !4, metadata !4, metadata !21, null,  null, null, i32 1} ; [ DW_TAG_compile_unit ]
 !3 = metadata !{i32 786453, metadata !23, metadata !1, metadata !"", i32 0, i64 0, i64 0, i32 0, i32 0, null, metadata !4, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !4 = metadata !{null}
 !5 = metadata !{i32 786688, metadata !6, metadata !"x", metadata !1, i32 5, metadata !7, i32 0, null} ; [ DW_TAG_auto_variable ]
diff --git a/test/DebugInfo/X86/arguments.ll b/test/DebugInfo/X86/arguments.ll
index 989e4fff484..2f172518cff 100644
--- a/test/DebugInfo/X86/arguments.ll
+++ b/test/DebugInfo/X86/arguments.ll
@@ -49,7 +49,7 @@ attributes #1 = { nounwind readnone }
 !llvm.dbg.cu = !{!0}
 !llvm.module.flags = !{!24}
 
-!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.4 ", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [/usr/local/google/home/blaikie/dev/scratch/scratch.cpp] [DW_LANG_C_plus_plus]
+!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.4 ", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2, metadata !"", i32 1} ; [ DW_TAG_compile_unit ] [/usr/local/google/home/blaikie/dev/scratch/scratch.cpp] [DW_LANG_C_plus_plus]
 !1 = metadata !{metadata !"scratch.cpp", metadata !"/usr/local/google/home/blaikie/dev/scratch"}
 !2 = metadata !{}
 !3 = metadata !{metadata !4}
diff --git a/test/DebugInfo/X86/block-capture.ll b/test/DebugInfo/X86/block-capture.ll
index e842afe9446..95613c70a86 100644
--- a/test/DebugInfo/X86/block-capture.ll
+++ b/test/DebugInfo/X86/block-capture.ll
@@ -69,7 +69,7 @@ declare i32 @__objc_personality_v0(...)
 !llvm.dbg.cu = !{!0}
 !llvm.module.flags = !{!35, !36, !37, !38, !64}
 
-!0 = metadata !{i32 786449, metadata !63, i32 16, metadata !"clang version 3.1 (trunk 151227)", i1 false, metadata !"", i32 2, metadata !1, metadata !1, metadata !3, metadata !1,  metadata !1, metadata !""} ; [ DW_TAG_compile_unit ]
+!0 = metadata !{i32 786449, metadata !63, i32 16, metadata !"clang version 3.1 (trunk 151227)", i1 false, metadata !"", i32 2, metadata !1, metadata !1, metadata !3, metadata !1,  metadata !1, metadata !"", i32 1} ; [ DW_TAG_compile_unit ]
 !1 = metadata !{}
 !3 = metadata !{metadata !5, metadata !28, metadata !31, metadata !34}
 !5 = metadata !{i32 786478, metadata !6, metadata !6, metadata !"foo", metadata !"foo", metadata !"", i32 5, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, null, null, null, null, i32 5} ; [ DW_TAG_subprogram ]
diff --git a/test/DebugInfo/X86/dbg-const.ll b/test/DebugInfo/X86/dbg-const.ll
index 300c1eeb977..72c74f148d6 100644
--- a/test/DebugInfo/X86/dbg-const.ll
+++ b/test/DebugInfo/X86/dbg-const.ll
@@ -33,7 +33,7 @@ declare i32 @bar() nounwind readnone
 
 !0 = metadata !{i32 786478, metadata !15, metadata !1, metadata !"foobar", metadata !"foobar", metadata !"foobar", 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} ; [ DW_TAG_subprogram ]
 !1 = metadata !{i32 786473, metadata !15} ; [ DW_TAG_file_type ]
-!2 = metadata !{i32 786449, metadata !15, i32 12, metadata !"clang version 2.9 (trunk 114183)", i1 true, metadata !"", i32 0, metadata !16, metadata !16, metadata !13, null,  null, metadata !""} ; [ DW_TAG_compile_unit ]
+!2 = metadata !{i32 786449, metadata !15, i32 12, metadata !"clang version 2.9 (trunk 114183)", i1 true, metadata !"", i32 0, metadata !16, metadata !16, metadata !13, null,  null, metadata !"", i32 1} ; [ DW_TAG_compile_unit ]
 !3 = metadata !{i32 786453, metadata !15, metadata !1, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !4, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !4 = metadata !{metadata !5}
 !5 = metadata !{i32 786468, metadata !15, metadata !1, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5}
diff --git a/test/DebugInfo/X86/dbg-declare-arg.ll b/test/DebugInfo/X86/dbg-declare-arg.ll
index b5372658cf3..0bab207c09a 100644
--- a/test/DebugInfo/X86/dbg-declare-arg.ll
+++ b/test/DebugInfo/X86/dbg-declare-arg.ll
@@ -74,7 +74,7 @@ entry:
 
 !0 = metadata !{i32 786478, metadata !51, metadata !1, metadata !"~A", metadata !"~A", metadata !"", i32 2, metadata !11, i1 false, i1 false, i32 0, i32 0, null, i32 256, i1 false, null, null, null, null, i32 0} ; [ DW_TAG_subprogram ]
 !1 = metadata !{i32 589826, metadata !51, metadata !2, metadata !"A", i32 2, i64 128, i64 32, i32 0, i32 0, null, metadata !4, i32 0, null, null, null} ; [ DW_TAG_class_type ] [A] [line 2, size 128, align 32, offset 0] [def] [from ]
-!2 = metadata !{i32 786449, metadata !51, i32 4, metadata !"clang version 3.0 (trunk 130127)", i1 false, metadata !"", i32 0, metadata !24, metadata !24, metadata !50, null, null, null} ; [ DW_TAG_compile_unit ]
+!2 = metadata !{i32 786449, metadata !51, i32 4, metadata !"clang version 3.0 (trunk 130127)", i1 false, metadata !"", i32 0, metadata !24, metadata !24, metadata !50, null, null, null, i32 1} ; [ DW_TAG_compile_unit ]
 !3 = metadata !{i32 786473, metadata !51} ; [ DW_TAG_file_type ]
 !4 = metadata !{metadata !5, metadata !7, metadata !8, metadata !9, metadata !0, metadata !10, metadata !14}
 !5 = metadata !{i32 786445, metadata !51, metadata !3, metadata !"x", i32 2, i64 32, i64 32, i64 0, i32 0, metadata !6} ; [ DW_TAG_member ]
diff --git a/test/DebugInfo/X86/dbg-value-dag-combine.ll b/test/DebugInfo/X86/dbg-value-dag-combine.ll
index 893b1db19b9..cdf322030bf 100644
--- a/test/DebugInfo/X86/dbg-value-dag-combine.ll
+++ b/test/DebugInfo/X86/dbg-value-dag-combine.ll
@@ -28,7 +28,7 @@ entry:
 
 !0 = metadata !{i32 786478, metadata !19, metadata !1, metadata !"__OpenCL_test_kernel", metadata !"__OpenCL_test_kernel", metadata !"__OpenCL_test_kernel", i32 2, metadata !3, i1 false, i1 true, i32 0, i32 0, null, i32 0, i1 false, void (i32 addrspace(1)*)* @__OpenCL_test_kernel, null, null, null, i32 0} ; [ DW_TAG_subprogram ] [line 2] [def] [scope 0] [__OpenCL_test_kernel]
 !1 = metadata !{i32 786473, metadata !19} ; [ DW_TAG_file_type ]
-!2 = metadata !{i32 786449, metadata !19, i32 1, metadata !"clc", i1 false, metadata !"", i32 0, metadata !12, metadata !12, metadata !18, null,  null, null} ; [ DW_TAG_compile_unit ]
+!2 = metadata !{i32 786449, metadata !19, i32 1, metadata !"clc", i1 false, metadata !"", i32 0, metadata !12, metadata !12, metadata !18, null,  null, null, i32 1} ; [ DW_TAG_compile_unit ]
 !3 = metadata !{i32 786453, metadata !19, metadata !1, metadata !"", i32 0, i64 0, i64 0, i32 0, i32 0, null, metadata !4, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !4 = metadata !{null, metadata !5}
 !5 = metadata !{i32 786447, null, metadata !2, metadata !"", i32 0, i64 32, i64 32, i64 0, i32 0, metadata !6} ; [ DW_TAG_pointer_type ]
diff --git a/test/DebugInfo/X86/dbg-value-inlined-parameter.ll b/test/DebugInfo/X86/dbg-value-inlined-parameter.ll
index 4d18f7dc306..aa37cda56e7 100644
--- a/test/DebugInfo/X86/dbg-value-inlined-parameter.ll
+++ b/test/DebugInfo/X86/dbg-value-inlined-parameter.ll
@@ -76,7 +76,7 @@ declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
 
 !0 = metadata !{i32 786478, metadata !1, metadata !1, metadata !"foo", metadata !"foo", metadata !"", i32 8, metadata !3, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, i32 (%struct.S1*, i32)* @foo, null, null, metadata !41, i32 8} ; [ DW_TAG_subprogram ] [line 8] [def] [foo]
 !1 = metadata !{i32 786473, metadata !42} ; [ DW_TAG_file_type ]
-!2 = metadata !{i32 786449, metadata !42, i32 12, metadata !"clang version 2.9 (trunk 125693)", i1 true, metadata !"", i32 0, metadata !8, metadata !8, metadata !39, metadata !40,  metadata !44, null} ; [ DW_TAG_compile_unit ]
+!2 = metadata !{i32 786449, metadata !42, i32 12, metadata !"clang version 2.9 (trunk 125693)", i1 true, metadata !"", i32 0, metadata !8, metadata !8, metadata !39, metadata !40,  metadata !44, null, i32 1} ; [ DW_TAG_compile_unit ]
 !3 = metadata !{i32 786453, metadata !42, metadata !1, metadata !"", i32 0, i64 0, i64 0, i32 0, i32 0, null, metadata !4, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !4 = metadata !{metadata !5}
 !5 = metadata !{i32 786468, null, metadata !2, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
diff --git a/test/DebugInfo/X86/dbg-value-isel.ll b/test/DebugInfo/X86/dbg-value-isel.ll
index adb0fe753ef..9544c62e15b 100644
--- a/test/DebugInfo/X86/dbg-value-isel.ll
+++ b/test/DebugInfo/X86/dbg-value-isel.ll
@@ -83,7 +83,7 @@ declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
 
 !0 = metadata !{i32 786478, metadata !20, metadata !1, metadata !"__OpenCL_nbt02_kernel", metadata !"__OpenCL_nbt02_kernel", metadata !"__OpenCL_nbt02_kernel", i32 2, metadata !3, i1 false, i1 true, i32 0, i32 0, null, i32 0, i1 false, void (i32 addrspace(1)*)* @__OpenCL_nbt02_kernel, null, null, null, i32 0} ; [ DW_TAG_subprogram ] [line 2] [def] [scope 0] [__OpenCL_nbt02_kernel]
 !1 = metadata !{i32 786473, metadata !20} ; [ DW_TAG_file_type ]
-!2 = metadata !{i32 786449, metadata !20, i32 1, metadata !"clc", i1 false, metadata !"", i32 0, metadata !21, metadata !21, metadata !19, null,  null, null} ; [ DW_TAG_compile_unit ]
+!2 = metadata !{i32 786449, metadata !20, i32 1, metadata !"clc", i1 false, metadata !"", i32 0, metadata !21, metadata !21, metadata !19, null,  null, null, i32 1} ; [ DW_TAG_compile_unit ]
 !3 = metadata !{i32 786453, metadata !20, metadata !1, metadata !"", i32 0, i64 0, i64 0, i32 0, i32 0, null, metadata !4, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !4 = metadata !{null, metadata !5}
 !5 = metadata !{i32 786447, null, metadata !2, metadata !"", i32 0, i64 32, i64 32, i64 0, i32 0, metadata !6} ; [ DW_TAG_pointer_type ]
diff --git a/test/DebugInfo/X86/dbg-value-terminator.ll b/test/DebugInfo/X86/dbg-value-terminator.ll
index 974e0ad6d83..ee8bd0fc715 100644
--- a/test/DebugInfo/X86/dbg-value-terminator.ll
+++ b/test/DebugInfo/X86/dbg-value-terminator.ll
@@ -113,7 +113,7 @@ declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
 !llvm.dbg.cu = !{!0}
 !llvm.module.flags = !{!22}
 
-!0 = metadata !{i32 786449, metadata !20, i32 12, metadata !"Apple clang version", i1 true, metadata !"", i32 0, metadata !21, metadata !21, metadata !18, null,  null, null} ; [ DW_TAG_compile_unit ]
+!0 = metadata !{i32 786449, metadata !20, i32 12, metadata !"Apple clang version", i1 true, metadata !"", i32 0, metadata !21, metadata !21, metadata !18, null,  null, null, i32 1} ; [ DW_TAG_compile_unit ]
 !1 = metadata !{i32 786478, metadata !20, metadata !2, metadata !"foo", metadata !"", metadata !"", i32 2, metadata !3, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, %a* ()* @test, null, null, metadata !19, i32 0} ; [ DW_TAG_subprogram ] [line 2] [def] [scope 0] [foo]
 !2 = metadata !{i32 786473, metadata !20} ; [ DW_TAG_file_type ]
 !3 = metadata !{i32 786453, metadata !20, metadata !2, metadata !"", i32 0, i64 0, i64 0, i32 0, i32 0, null, metadata !4, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
diff --git a/test/DebugInfo/X86/dbg_value_direct.ll b/test/DebugInfo/X86/dbg_value_direct.ll
index db947ac9479..0ab48df5643 100644
--- a/test/DebugInfo/X86/dbg_value_direct.ll
+++ b/test/DebugInfo/X86/dbg_value_direct.ll
@@ -147,7 +147,7 @@ attributes #2 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "n
 !llvm.dbg.cu = !{!0}
 !llvm.module.flags = !{!22, !27}
 
-!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.4 ", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [/tmp/crash.cpp] [DW_LANG_C_plus_plus]
+!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.4 ", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2, metadata !"", i32 1} ; [ DW_TAG_compile_unit ] [/tmp/crash.cpp] [DW_LANG_C_plus_plus]
 !1 = metadata !{metadata !"crash.cpp", metadata !"/tmp"}
 !2 = metadata !{}
 !3 = metadata !{metadata !4}
diff --git a/test/DebugInfo/X86/debug-info-blocks.ll b/test/DebugInfo/X86/debug-info-blocks.ll
index 8a1a125ff80..8f4784d5929 100644
--- a/test/DebugInfo/X86/debug-info-blocks.ll
+++ b/test/DebugInfo/X86/debug-info-blocks.ll
@@ -270,7 +270,7 @@ attributes #3 = { nounwind }
 !llvm.dbg.cu = !{!0}
 !llvm.module.flags = !{!56, !57, !58, !59, !110}
 
-!0 = metadata !{i32 786449, metadata !1, i32 16, metadata !"clang version 3.3 ", i1 false, metadata !"", i32 2, metadata !2, metadata !3, metadata !12, metadata !2,  metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [llvm/tools/clang/test/CodeGenObjC/<unknown>] [DW_LANG_ObjC]
+!0 = metadata !{i32 786449, metadata !1, i32 16, metadata !"clang version 3.3 ", i1 false, metadata !"", i32 2, metadata !2, metadata !3, metadata !12, metadata !2,  metadata !2, metadata !"", i32 1} ; [ DW_TAG_compile_unit ] [llvm/tools/clang/test/CodeGenObjC/<unknown>] [DW_LANG_ObjC]
 !1 = metadata !{metadata !"llvm/tools/clang/test/CodeGenObjC/<unknown>", metadata !"llvm/_build.ninja.Debug"}
 !2 = metadata !{}
 !3 = metadata !{metadata !4}
diff --git a/test/DebugInfo/X86/dwarf-aranges-no-dwarf-labels.ll b/test/DebugInfo/X86/dwarf-aranges-no-dwarf-labels.ll
index 021b89e1e1c..5a9f4441f08 100644
--- a/test/DebugInfo/X86/dwarf-aranges-no-dwarf-labels.ll
+++ b/test/DebugInfo/X86/dwarf-aranges-no-dwarf-labels.ll
@@ -60,7 +60,7 @@ attributes #2 = { nounwind readnone }
 !llvm.dbg.cu = !{!0}
 !llvm.module.flags = !{!19, !26}
 
-!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.4 (191881)", i1 true, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !17, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [/tmp/debug_ranges/a.cc] [DW_LANG_C_plus_plus]
+!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.4 (191881)", i1 true, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !17, metadata !2, metadata !"", i32 1} ; [ DW_TAG_compile_unit ] [/tmp/debug_ranges/a.cc] [DW_LANG_C_plus_plus]
 !1 = metadata !{metadata !"tmp/debug_ranges/a.cc", metadata !"/"}
 !2 = metadata !{}
 !3 = metadata !{metadata !4, metadata !11, metadata !14}
diff --git a/test/DebugInfo/X86/misched-dbg-value.ll b/test/DebugInfo/X86/misched-dbg-value.ll
index c713e65110e..b0e166f2a5e 100644
--- a/test/DebugInfo/X86/misched-dbg-value.ll
+++ b/test/DebugInfo/X86/misched-dbg-value.ll
@@ -103,7 +103,7 @@ attributes #1 = { nounwind readnone }
 !llvm.dbg.cu = !{!0}
 !llvm.module.flags = !{!83}
 
-!0 = metadata !{i32 786449, metadata !82, i32 12, metadata !"clang version 3.3 (trunk 175015)", i1 true, metadata !"", i32 0, metadata !1, metadata !10, metadata !11, metadata !29,  metadata !10, metadata !""} ; [ DW_TAG_compile_unit ] [/Users/manmanren/test-Nov/rdar_13183203/test2/dry.c] [DW_LANG_C99]
+!0 = metadata !{i32 786449, metadata !82, i32 12, metadata !"clang version 3.3 (trunk 175015)", i1 true, metadata !"", i32 0, metadata !1, metadata !10, metadata !11, metadata !29,  metadata !10, metadata !"", i32 1} ; [ DW_TAG_compile_unit ] [/Users/manmanren/test-Nov/rdar_13183203/test2/dry.c] [DW_LANG_C99]
 !1 = metadata !{metadata !2}
 !2 = metadata !{i32 786436, metadata !82, null, metadata !"", i32 128, i64 32, i64 32, i32 0, i32 0, null, metadata !4, i32 0, null, null, null} ; [ DW_TAG_enumeration_type ] [line 128, size 32, align 32, offset 0] [def] [from ]
 !3 = metadata !{i32 786473, metadata !82} ; [ DW_TAG_file_type ]
diff --git a/test/DebugInfo/X86/op_deref.ll b/test/DebugInfo/X86/op_deref.ll
index 31003eee2a8..db82a771531 100644
--- a/test/DebugInfo/X86/op_deref.ll
+++ b/test/DebugInfo/X86/op_deref.ll
@@ -77,7 +77,7 @@ declare void @llvm.stackrestore(i8*) nounwind
 !llvm.dbg.cu = !{!0}
 !llvm.module.flags = !{!29}
 
-!0 = metadata !{i32 786449, metadata !28, i32 12, metadata !"clang version 3.2 (trunk 156005) (llvm/trunk 156000)", i1 false, metadata !"", i32 0, metadata !1, metadata !1, metadata !3, metadata !1,  metadata !1, metadata !""} ; [ DW_TAG_compile_unit ]
+!0 = metadata !{i32 786449, metadata !28, i32 12, metadata !"clang version 3.2 (trunk 156005) (llvm/trunk 156000)", i1 false, metadata !"", i32 0, metadata !1, metadata !1, metadata !3, metadata !1,  metadata !1, metadata !"", i32 1} ; [ DW_TAG_compile_unit ]
 !1 = metadata !{}
 !3 = metadata !{metadata !5}
 !5 = metadata !{i32 786478, metadata !28, metadata !6, metadata !"testVLAwithSize", metadata !"testVLAwithSize", metadata !"", 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 ]
diff --git a/test/DebugInfo/X86/parameters.ll b/test/DebugInfo/X86/parameters.ll
index 4215c21721e..eadd369241f 100644
--- a/test/DebugInfo/X86/parameters.ll
+++ b/test/DebugInfo/X86/parameters.ll
@@ -82,7 +82,7 @@ attributes #2 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "n
 !llvm.dbg.cu = !{!0}
 !llvm.module.flags = !{!21, !33}
 
-!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.4 ", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [/tmp/pass.cpp] [DW_LANG_C_plus_plus]
+!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.4 ", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2, metadata !"", i32 1} ; [ DW_TAG_compile_unit ] [/tmp/pass.cpp] [DW_LANG_C_plus_plus]
 !1 = metadata !{metadata !"pass.cpp", metadata !"/tmp"}
 !2 = metadata !{}
 !3 = metadata !{metadata !4, metadata !17}
diff --git a/test/DebugInfo/X86/pieces-1.ll b/test/DebugInfo/X86/pieces-1.ll
index f4217995a6d..fe3b7dc3eab 100644
--- a/test/DebugInfo/X86/pieces-1.ll
+++ b/test/DebugInfo/X86/pieces-1.ll
@@ -50,7 +50,7 @@ attributes #1 = { nounwind readnone }
 !llvm.module.flags = !{!17, !18}
 !llvm.ident = !{!19}
 
-!0 = metadata !{i32 786449, metadata !1, i32 12, metadata !"clang version 3.5 ", i1 true, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2, metadata !""}
+!0 = metadata !{i32 786449, metadata !1, i32 12, metadata !"clang version 3.5 ", i1 true, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2, metadata !"", i32 1} ; [ DW_TAG_compile_unit ]
 !1 = metadata !{metadata !"pieces.c", metadata !""}
 !2 = metadata !{}
 !3 = metadata !{metadata !4}
diff --git a/test/DebugInfo/X86/subreg.ll b/test/DebugInfo/X86/subreg.ll
index 22fd1a80e87..ba13d354eec 100644
--- a/test/DebugInfo/X86/subreg.ll
+++ b/test/DebugInfo/X86/subreg.ll
@@ -25,7 +25,7 @@ declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
 !0 = metadata !{i32 786689, metadata !1, metadata !"zzz", metadata !2, i32 16777219, metadata !6, i32 0, null} ; [ DW_TAG_arg_variable ]
 !1 = metadata !{i32 786478, metadata !10, metadata !2, metadata !"f", metadata !"f", metadata !"", i32 3, metadata !4, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i16 (i16)* @f, null, null, null, i32 3} ; [ DW_TAG_subprogram ] [line 3] [def] [f]
 !2 = metadata !{i32 786473, metadata !10} ; [ DW_TAG_file_type ]
-!3 = metadata !{i32 786449, metadata !10, i32 12, metadata !"clang version 3.0 ()", i1 false, metadata !"", i32 0, metadata !5, metadata !5, metadata !9, null,  null, metadata !""} ; [ DW_TAG_compile_unit ]
+!3 = metadata !{i32 786449, metadata !10, i32 12, metadata !"clang version 3.0 ()", i1 false, metadata !"", i32 0, metadata !5, metadata !5, metadata !9, null,  null, metadata !"", i32 1} ; [ DW_TAG_compile_unit ]
 !4 = metadata !{i32 786453, metadata !10, metadata !2, metadata !"", i32 0, i64 0, i64 0, i32 0, i32 0, null, metadata !5, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !5 = metadata !{null}
 !6 = metadata !{i32 786468, null, metadata !3, metadata !"short", i32 0, i64 16, i64 16, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
diff --git a/test/DebugInfo/X86/subregisters.ll b/test/DebugInfo/X86/subregisters.ll
index d46a95f2c99..2f2fd44154a 100644
--- a/test/DebugInfo/X86/subregisters.ll
+++ b/test/DebugInfo/X86/subregisters.ll
@@ -78,7 +78,7 @@ attributes #4 = { nounwind }
 !llvm.module.flags = !{!22, !23}
 !llvm.ident = !{!24}
 
-!0 = metadata !{i32 786449, metadata !1, i32 12, metadata !"clang version 3.5 ", i1 true, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [subregisters.c] [DW_LANG_C99]
+!0 = metadata !{i32 786449, metadata !1, i32 12, metadata !"clang version 3.5 ", i1 true, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2, metadata !"", i32 1} ; [ DW_TAG_compile_unit ] [subregisters.c] [DW_LANG_C99]
 !1 = metadata !{metadata !"subregisters.c", metadata !""}
 !2 = metadata !{}
 !3 = metadata !{metadata !4, metadata !17}
diff --git a/test/DebugInfo/X86/vla.ll b/test/DebugInfo/X86/vla.ll
index a1a2e66685c..3e6f4ce31c0 100644
--- a/test/DebugInfo/X86/vla.ll
+++ b/test/DebugInfo/X86/vla.ll
@@ -75,7 +75,7 @@ entry:
 !llvm.dbg.cu = !{!0}
 !llvm.module.flags = !{!29}
 
-!0 = metadata !{i32 786449, metadata !1, i32 12, metadata !"clang version 3.3 ", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [/vla.c] [DW_LANG_C99]
+!0 = metadata !{i32 786449, metadata !1, i32 12, metadata !"clang version 3.3 ", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2, metadata !"", i32 1} ; [ DW_TAG_compile_unit ] [/vla.c] [DW_LANG_C99]
 !1 = metadata !{metadata !"vla.c", metadata !""}
 !2 = metadata !{}
 !3 = metadata !{metadata !4, metadata !9}
diff --git a/test/DebugInfo/inlined-arguments.ll b/test/DebugInfo/inlined-arguments.ll
index 6979862a536..b08dbecdf36 100644
--- a/test/DebugInfo/inlined-arguments.ll
+++ b/test/DebugInfo/inlined-arguments.ll
@@ -50,7 +50,7 @@ attributes #2 = { nounwind readnone }
 !llvm.dbg.cu = !{!0}
 !llvm.module.flags = !{!26}
 
-!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.4 ", i1 true, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [/usr/local/google/home/blaikie/dev/scratch/exp.cpp] [DW_LANG_C_plus_plus]
+!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.4 ", i1 true, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2, metadata !"", i32 1} ; [ DW_TAG_compile_unit ] [/usr/local/google/home/blaikie/dev/scratch/exp.cpp] [DW_LANG_C_plus_plus]
 !1 = metadata !{metadata !"exp.cpp", metadata !"/usr/local/google/home/blaikie/dev/scratch"}
 !2 = metadata !{}
 !3 = metadata !{metadata !4, metadata !8}
diff --git a/test/DebugInfo/two-cus-from-same-file.ll b/test/DebugInfo/two-cus-from-same-file.ll
index 2ab82a9a244..fab83823650 100644
--- a/test/DebugInfo/two-cus-from-same-file.ll
+++ b/test/DebugInfo/two-cus-from-same-file.ll
@@ -35,14 +35,14 @@ declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
 !llvm.dbg.cu = !{!0, !9}
 !llvm.module.flags = !{!33}
 
-!0 = metadata !{i32 786449, metadata !32, i32 12, metadata !"clang version 3.2 (trunk 156513)", i1 true, metadata !"", i32 0, metadata !1, metadata !1, metadata !3, metadata !1, metadata !1, metadata !""} ; [ DW_TAG_compile_unit ]
+!0 = metadata !{i32 786449, metadata !32, i32 12, metadata !"clang version 3.2 (trunk 156513)", i1 true, metadata !"", i32 0, metadata !1, metadata !1, metadata !3, metadata !1, metadata !1, metadata !"", i32 1} ; [ DW_TAG_compile_unit ]
 !1 = metadata !{}
 !3 = metadata !{metadata !5}
 !5 = metadata !{i32 786478, metadata !32, metadata !6, metadata !"foo", metadata !"foo", metadata !"", i32 5, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, void ()* @foo, null, null, metadata !1, i32 5} ; [ DW_TAG_subprogram ]
 !6 = metadata !{i32 786473, metadata !32} ; [ DW_TAG_file_type ]
 !7 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !8, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
 !8 = metadata !{null}
-!9 = metadata !{i32 786449, metadata !32, i32 12, metadata !"clang version 3.2 (trunk 156513)", i1 true, metadata !"", i32 0, metadata !1, metadata !1, metadata !10, metadata !1, metadata !1, metadata !""} ; [ DW_TAG_compile_unit ]
+!9 = metadata !{i32 786449, metadata !32, i32 12, metadata !"clang version 3.2 (trunk 156513)", i1 true, metadata !"", i32 0, metadata !1, metadata !1, metadata !10, metadata !1, metadata !1, metadata !"", i32 1} ; [ DW_TAG_compile_unit ]
 !10 = metadata !{metadata !12}
 !12 = metadata !{i32 786478, metadata !32, metadata !6, metadata !"main", metadata !"main", metadata !"", i32 11, metadata !13, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, i32 (i32, i8**)* @main, null, null, metadata !19, i32 11} ; [ DW_TAG_subprogram ]
 !13 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !14, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]