diff --git a/llvm/lib/DebugInfo/DWARF/DWARFCompileUnit.cpp b/llvm/lib/DebugInfo/DWARF/DWARFCompileUnit.cpp
--- a/llvm/lib/DebugInfo/DWARF/DWARFCompileUnit.cpp
+++ b/llvm/lib/DebugInfo/DWARF/DWARFCompileUnit.cpp
@@ -18,14 +18,14 @@
   int OffsetDumpWidth = 2 * dwarf::getDwarfOffsetByteSize(getFormat());
   OS << format("0x%08" PRIx64, getOffset()) << ": Compile Unit:"
      << " length = " << format("0x%0*" PRIx64, OffsetDumpWidth, getLength())
-     << " version = " << format("0x%04x", getVersion());
+     << ", version = " << format("0x%04x", getVersion());
   if (getVersion() >= 5)
-    OS << " unit_type = " << dwarf::UnitTypeString(getUnitType());
-  OS << " abbr_offset = "
+    OS << ", unit_type = " << dwarf::UnitTypeString(getUnitType());
+  OS << ", abbr_offset = "
      << format("0x%04" PRIx64, getAbbreviations()->getOffset())
-     << " addr_size = " << format("0x%02x", getAddressByteSize());
+     << ", addr_size = " << format("0x%02x", getAddressByteSize());
   if (getVersion() >= 5 && getUnitType() != dwarf::DW_UT_compile)
-    OS << " DWO_id = " << format("0x%016" PRIx64, *getDWOId());
+    OS << ", DWO_id = " << format("0x%016" PRIx64, *getDWOId());
   OS << " (next unit at " << format("0x%08" PRIx64, getNextUnitOffset())
      << ")\n";
 
diff --git a/llvm/test/CodeGen/X86/dwarf-headers.ll b/llvm/test/CodeGen/X86/dwarf-headers.ll
--- a/llvm/test/CodeGen/X86/dwarf-headers.ll
+++ b/llvm/test/CodeGen/X86/dwarf-headers.ll
@@ -38,7 +38,7 @@
 ; the length of the header.
 ;
 ; SINGLE-4: .debug_info contents:
-; SINGLE-4: 0x00000000: Compile Unit: {{.*}} version = 0x0004 abbr_offset
+; SINGLE-4: 0x00000000: Compile Unit: {{.*}} version = 0x0004, abbr_offset
 ; SINGLE-4: 0x0000000b: DW_TAG_compile_unit
 ;
 ; SINGLE-4: .debug_types contents:
@@ -48,11 +48,11 @@
 ; Verify the v4 split headers.
 ;
 ; O-4: .debug_info contents:
-; O-4: 0x00000000: Compile Unit: {{.*}} version = 0x0004 abbr_offset
+; O-4: 0x00000000: Compile Unit: {{.*}} version = 0x0004, abbr_offset
 ; O-4: 0x0000000b: DW_TAG_compile_unit
 ;
 ; DWO-4: .debug_info.dwo contents:
-; DWO-4: 0x00000000: Compile Unit: {{.*}} version = 0x0004 abbr_offset
+; DWO-4: 0x00000000: Compile Unit: {{.*}} version = 0x0004, abbr_offset
 ; DWO-4: 0x0000000b: DW_TAG_compile_unit
 ;
 ; DWO-4: .debug_types.dwo contents:
@@ -67,20 +67,20 @@
 ; SINGLE-5: 0x00000000: Type Unit: {{.*}} version = 0x0005 unit_type = DW_UT_type abbr_offset
 ; SINGLE-5: 0x00000018: DW_TAG_type_unit
 ; SINGLE-5-NOT: contents:
-; SINGLE-5: 0x00000000: Compile Unit: {{.*}} version = 0x0005 unit_type = DW_UT_compile abbr_offset
+; SINGLE-5: 0x00000000: Compile Unit: {{.*}} version = 0x0005, unit_type = DW_UT_compile, abbr_offset
 ; SINGLE-5: 0x0000000c: DW_TAG_compile_unit
 
 ; Verify the v5 split headers.
 ;
 ; O-5: .debug_info contents:
-; O-5: 0x00000000: Compile Unit: {{.*}} version = 0x0005 unit_type = DW_UT_skeleton abbr_offset
+; O-5: 0x00000000: Compile Unit: {{.*}} version = 0x0005, unit_type = DW_UT_skeleton, abbr_offset
 ; O-5-SAME:        DWO_id = 0xccd7e58ef8bf4aa6
 ; O-5: 0x00000014: DW_TAG_skeleton_unit 
 ;
 ; DWO-5: .debug_info.dwo contents:
 ; DWO-5: 0x00000000: Type Unit: {{.*}} version = 0x0005 unit_type = DW_UT_split_type abbr_offset
 ; DWO-5: 0x00000018: DW_TAG_type_unit
-; DWO-5: 0x00000033: Compile Unit: {{.*}} version = 0x0005 unit_type = DW_UT_split_compile abbr_offset
+; DWO-5: 0x00000033: Compile Unit: {{.*}} version = 0x0005, unit_type = DW_UT_split_compile, abbr_offset
 ; DWO-5-SAME:        DWO_id = 0xccd7e58ef8bf4aa6
 ; DWO-5: 0x00000047: DW_TAG_compile_unit
 
diff --git a/llvm/test/DebugInfo/Generic/version.ll b/llvm/test/DebugInfo/Generic/version.ll
--- a/llvm/test/DebugInfo/Generic/version.ll
+++ b/llvm/test/DebugInfo/Generic/version.ll
@@ -2,7 +2,7 @@
 ; RUN: llvm-dwarfdump %t | FileCheck %s
 
 ; Make sure we are generating DWARF version 3 when module flag says so.
-; CHECK: Compile Unit: length = {{.*}} version = 0x0003
+; CHECK: Compile Unit: length = {{.*}}, version = 0x0003
 
 define i32 @main() #0 !dbg !4 {
 entry:
diff --git a/llvm/test/DebugInfo/X86/dwarfdump-header-64.s b/llvm/test/DebugInfo/X86/dwarfdump-header-64.s
--- a/llvm/test/DebugInfo/X86/dwarfdump-header-64.s
+++ b/llvm/test/DebugInfo/X86/dwarfdump-header-64.s
@@ -76,7 +76,7 @@
 CU_5_end:
 
 # CHECK-LABEL: .debug_info contents:
-# CHECK: 0x00000000: Compile Unit: length = 0x00000016 version = 0x0005 unit_type = DW_UT_compile abbr_offset = 0x0000 addr_size = 0x08 (next unit at 0x0000001a)
+# CHECK: 0x00000000: Compile Unit: length = 0x00000016, version = 0x0005, unit_type = DW_UT_compile, abbr_offset = 0x0000, addr_size = 0x08 (next unit at 0x0000001a)
 # CHECK: 0x0000000c: DW_TAG_compile_unit
 # CHECK-NEXT: DW_AT_producer {{.*}} "Handmade DWARF producer"
 # CHECK-NEXT: DW_AT_name {{.*}} "V5_compile_unit"
diff --git a/llvm/test/DebugInfo/X86/dwarfdump-header.s b/llvm/test/DebugInfo/X86/dwarfdump-header.s
--- a/llvm/test/DebugInfo/X86/dwarfdump-header.s
+++ b/llvm/test/DebugInfo/X86/dwarfdump-header.s
@@ -107,7 +107,7 @@
         .byte 0 # NULL
 CU_4_end:
 
-# CHECK: 0x00000000: Compile Unit: length = 0x00000015 version = 0x0004 abbr_offset = 0x0000 addr_size = 0x08 (next unit at 0x00000019)
+# CHECK: 0x00000000: Compile Unit: length = 0x00000015, version = 0x0004, abbr_offset = 0x0000, addr_size = 0x08 (next unit at 0x00000019)
 # CHECK: 0x0000000b: DW_TAG_compile_unit
 
 # DWARF v5 normal CU header.
@@ -125,7 +125,7 @@
         .byte 0 # NULL
 CU_5_end:
 
-# CHECK: 0x00000019: Compile Unit: length = 0x00000016 version = 0x0005 unit_type = DW_UT_compile abbr_offset = 0x0000 addr_size = 0x08 (next unit at 0x00000033)
+# CHECK: 0x00000019: Compile Unit: length = 0x00000016, version = 0x0005, unit_type = DW_UT_compile, abbr_offset = 0x0000, addr_size = 0x08 (next unit at 0x00000033)
 # CHECK: 0x00000025: DW_TAG_compile_unit
 
         .section .debug_info.dwo,"e",@progbits
@@ -147,7 +147,7 @@
         .byte 0 # NULL
 CU_split_5_end:
 
-# CHECK: 0x00000000: Compile Unit: length = 0x0000001e version = 0x0005 unit_type = DW_UT_split_compile abbr_offset = 0x0000 addr_size = 0x08 DWO_id = 0x000000000000005a (next unit at 0x00000022)
+# CHECK: 0x00000000: Compile Unit: length = 0x0000001e, version = 0x0005, unit_type = DW_UT_split_compile, abbr_offset = 0x0000, addr_size = 0x08, DWO_id = 0x000000000000005a (next unit at 0x00000022)
 # CHECK: 0x00000014: DW_TAG_compile_unit
 # CHECK-NEXT: DW_AT_producer {{.*}} "Handmade DWO producer"
 # CHECK-NEXT: DW_AT_name {{.*}} "V5_dwo_compile_unit"
diff --git a/llvm/test/DebugInfo/dwarfdump-zlib.test b/llvm/test/DebugInfo/dwarfdump-zlib.test
--- a/llvm/test/DebugInfo/dwarfdump-zlib.test
+++ b/llvm/test/DebugInfo/dwarfdump-zlib.test
@@ -10,7 +10,7 @@
 // the decompression correctly and result is the same. This and above also checks
 // that sections names are properly shown in zlib-gnu style (without additional 'z' prefix).
 CHECK: .debug_info contents
-CHECK: 0x00000000: Compile Unit: length = 0x00000144 version = 0x0004 abbr_offset = 0x0000 addr_size = 0x08 (next unit at 0x00000148)
+CHECK: 0x00000000: Compile Unit: length = 0x00000144, version = 0x0004, abbr_offset = 0x0000, addr_size = 0x08 (next unit at 0x00000148)
 
 // Also check that relocations in the .zdebug sections are handled correctly:
 CHECK: DW_AT_ranges {{.*}} (0x00000000{{$}}
diff --git a/llvm/test/MC/WebAssembly/dwarfdump.ll b/llvm/test/MC/WebAssembly/dwarfdump.ll
--- a/llvm/test/MC/WebAssembly/dwarfdump.ll
+++ b/llvm/test/MC/WebAssembly/dwarfdump.ll
@@ -1,7 +1,7 @@
 ; RUN: llc -filetype=obj %s -o - | llvm-dwarfdump - | FileCheck %s
 
 ; CHECK: .debug_info contents:
-; CHECK-NEXT: 0x00000000: Compile Unit: length = 0x0000006e version = 0x0004 abbr_offset = 0x0000 addr_size = 0x04 (next unit at 0x00000072)
+; CHECK-NEXT: 0x00000000: Compile Unit: length = 0x0000006e, version = 0x0004, abbr_offset = 0x0000, addr_size = 0x04 (next unit at 0x00000072)
 
 ; CHECK: 0x0000000b: DW_TAG_compile_unit
 ; CHECK-NEXT:              DW_AT_producer	("clang version 6.0.0 (trunk 315924) (llvm/trunk 315960)")
diff --git a/llvm/test/tools/dsymutil/X86/empty-CU.test b/llvm/test/tools/dsymutil/X86/empty-CU.test
--- a/llvm/test/tools/dsymutil/X86/empty-CU.test
+++ b/llvm/test/tools/dsymutil/X86/empty-CU.test
@@ -1,6 +1,6 @@
 RUN: dsymutil --update -f %p/../Inputs/empty-CU.o -o - | llvm-dwarfdump -v - -debug-info | FileCheck %s
 
 CHECK: .debug_info contents:
-CHECK: 0x00000000: Compile Unit: length = 0x00000008 version = 0x0003 abbr_offset = 0x0000 addr_size = 0x04 (next unit at 0x0000000c)
+CHECK: 0x00000000: Compile Unit: length = 0x00000008, version = 0x0003, abbr_offset = 0x0000, addr_size = 0x04 (next unit at 0x0000000c)
 
 CHECK: 0x0000000b: DW_TAG_compile_unit [1]
diff --git a/llvm/test/tools/dsymutil/X86/generate-empty-CU.test b/llvm/test/tools/dsymutil/X86/generate-empty-CU.test
--- a/llvm/test/tools/dsymutil/X86/generate-empty-CU.test
+++ b/llvm/test/tools/dsymutil/X86/generate-empty-CU.test
@@ -15,14 +15,14 @@
 ...
 
 .debug_info contents:
-CHECK: Compile Unit: length = 0x0000007d version = 0x0002 abbr_offset = 0x0000 addr_size = 0x08 (next unit at 0x00000081)
+CHECK: Compile Unit: length = 0x0000007d, version = 0x0002, abbr_offset = 0x0000, addr_size = 0x08 (next unit at 0x00000081)
 
 CHECK: DW_TAG_compile_unit
 CHECK:        DW_AT_name {{.*}} "basic1.c"
 CHECK:   DW_TAG_subprogram
                 DW_AT_name {{.*}} "main"
 
-CHECK: 0x00000081: Compile Unit: length = 0x00000089 version = 0x0002 abbr_offset = 0x0000 addr_size = 0x08 (next unit at 0x0000010e)
+CHECK: 0x00000081: Compile Unit: length = 0x00000089, version = 0x0002, abbr_offset = 0x0000, addr_size = 0x08 (next unit at 0x0000010e)
 
 CHECK: DW_TAG_compile_unit
 CHECK:        DW_AT_name {{.*}} "basic3.c"
diff --git a/llvm/test/tools/llvm-dwarfdump/X86/debug_loclists_nouse.s b/llvm/test/tools/llvm-dwarfdump/X86/debug_loclists_nouse.s
--- a/llvm/test/tools/llvm-dwarfdump/X86/debug_loclists_nouse.s
+++ b/llvm/test/tools/llvm-dwarfdump/X86/debug_loclists_nouse.s
@@ -1,7 +1,7 @@
 # RUN: llvm-mc %s -filetype obj -triple x86_64-pc-linux -o %t.o
 # RUN: llvm-dwarfdump %t.o | FileCheck %s
 
-# CHECK: 0x00000000: Compile Unit: length = 0x00000009 version = 0x0005 unit_type = DW_UT_compile abbr_offset = 0x0000 addr_size = 0x08 (next unit at 0x0000000d)
+# CHECK: 0x00000000: Compile Unit: length = 0x00000009, version = 0x0005, unit_type = DW_UT_compile, abbr_offset = 0x0000, addr_size = 0x08 (next unit at 0x0000000d)
 # CHECK: 0x0000000c: DW_TAG_compile_unit
 
 	.section	.debug_abbrev,"",@progbits
diff --git a/llvm/test/tools/llvm-dwarfdump/X86/lookup.s b/llvm/test/tools/llvm-dwarfdump/X86/lookup.s
--- a/llvm/test/tools/llvm-dwarfdump/X86/lookup.s
+++ b/llvm/test/tools/llvm-dwarfdump/X86/lookup.s
@@ -20,7 +20,7 @@
 # RUN:   | llvm-dwarfdump -lookup=0x14 - | \
 # RUN: FileCheck %s -check-prefixes=CHECK,C
 
-# CHECK: Compile Unit: length = 0x00000060 version = 0x0004 abbr_offset = 0x0000 addr_size = 0x08 (next unit at 0x00000064)
+# CHECK: Compile Unit: length = 0x00000060, version = 0x0004, abbr_offset = 0x0000, addr_size = 0x08 (next unit at 0x00000064)
 
 # CHECK: DW_TAG_compile_unit
 # CHECK:   DW_AT_name        ("foo.c")
diff --git a/llvm/test/tools/llvm-dwp/X86/dwos_list_from_exec_simple.test b/llvm/test/tools/llvm-dwp/X86/dwos_list_from_exec_simple.test
--- a/llvm/test/tools/llvm-dwp/X86/dwos_list_from_exec_simple.test
+++ b/llvm/test/tools/llvm-dwp/X86/dwos_list_from_exec_simple.test
@@ -61,25 +61,25 @@
 CHECK: .debug_info.dwo contents:
 CHECK: [[AOFF:0x[0-9a-f]*]]:
 
-CHECK-LABEL: Compile Unit: length = {{.*}} version = 0x0004
+CHECK-LABEL: Compile Unit: length = {{.*}}, version = 0x0004
 CHECK: DW_TAG_compile_unit
 CHECK:   DW_AT_name {{.*}} "c.cpp"
 CHECK:   DW_TAG_subprogram
 CHECK:     DW_AT_name {{.*}} "c"
 
-CHECK-LABEL: Compile Unit: length = {{.*}} version = 0x0004
+CHECK-LABEL: Compile Unit: length = {{.*}}, version = 0x0004
 CHECK: DW_TAG_compile_unit
 CHECK:   DW_AT_name {{.*}} "e.cpp"
 CHECK:   DW_TAG_subprogram
 CHECK:     DW_AT_name {{.*}} "e"
 
-CHECK-LABEL: Compile Unit: length = {{.*}} version = 0x0004
+CHECK-LABEL: Compile Unit: length = {{.*}}, version = 0x0004
 CHECK: DW_TAG_compile_unit
 CHECK:   DW_AT_name {{.*}} "a.cpp"
 CHECK:   DW_TAG_subprogram
 CHECK:     DW_AT_name {{.*}} "a"
 
-CHECK-LABEL: Compile Unit: length = {{.*}} version = 0x0004
+CHECK-LABEL: Compile Unit: length = {{.*}}, version = 0x0004
 CHECK: DW_TAG_compile_unit
 CHECK:   DW_AT_name {{.*}} "b.cpp"
 CHECK:   DW_TAG_subprogram
@@ -87,7 +87,7 @@
 CHECK:   DW_TAG_subprogram
 CHECK:     DW_AT_name {{.*}} "main"
 
-CHECK-LABEL: Compile Unit: length = {{.*}} version = 0x0004
+CHECK-LABEL: Compile Unit: length = {{.*}}, version = 0x0004
 CHECK: DW_TAG_compile_unit
 CHECK:   DW_AT_name {{.*}} "d.cpp"
 CHECK:   DW_TAG_subprogram
diff --git a/llvm/test/tools/llvm-dwp/X86/info-v5.s b/llvm/test/tools/llvm-dwp/X86/info-v5.s
--- a/llvm/test/tools/llvm-dwp/X86/info-v5.s
+++ b/llvm/test/tools/llvm-dwp/X86/info-v5.s
@@ -6,7 +6,7 @@
 # RUN: llvm-dwarfdump -v %t.dwp | FileCheck %s
 
 #CHECK-DAG: .debug_info.dwo contents:
-#CHECK: 0x00000000: Compile Unit: length = 0x00000050 version = 0x0005 unit_type = DW_UT_split_compile abbr_offset = 0x0000 addr_size = 0x08 DWO_id = [[DWOID:.*]] (next unit at 0x00000054)
+#CHECK: 0x00000000: Compile Unit: length = 0x00000050, version = 0x0005, unit_type = DW_UT_split_compile, abbr_offset = 0x0000, addr_size = 0x08, DWO_id = [[DWOID:.*]] (next unit at 0x00000054)
 
 # CHECK-DAG: .debug_cu_index contents:
 # CHECK: version = 2 slots = 2
diff --git a/llvm/test/tools/llvm-dwp/X86/merge.test b/llvm/test/tools/llvm-dwp/X86/merge.test
--- a/llvm/test/tools/llvm-dwp/X86/merge.test
+++ b/llvm/test/tools/llvm-dwp/X86/merge.test
@@ -27,16 +27,16 @@
 
 CHECK: .debug_info.dwo contents:
 CHECK: [[COFF:0x[0-9a-f]*]]:
-CHECK-LABEL: Compile Unit: length = {{.*}} version = 0x0004 abbr_offset =
-CHECK:         0x[[CAOFF]] addr_size = 0x08 (next unit at [[AOFF:.*]])
+CHECK-LABEL: Compile Unit: length = {{.*}}, version = 0x0004, abbr_offset =
+CHECK:         0x[[CAOFF]], addr_size = 0x08 (next unit at [[AOFF:.*]])
 CHECK:   DW_AT_GNU_dwo_id {{.*}} ([[DWOC:.*]])
 CHECK: [[AOFF]]:
-CHECK-LABEL: Compile Unit: length = {{.*}} version = 0x0004 abbr_offset =
-CHECK:         0x[[AAOFF]] addr_size = 0x08 (next unit at [[BOFF:.*]])
+CHECK-LABEL: Compile Unit: length = {{.*}}, version = 0x0004, abbr_offset =
+CHECK:         0x[[AAOFF]], addr_size = 0x08 (next unit at [[BOFF:.*]])
 CHECK:   DW_AT_GNU_dwo_id {{.*}} ([[DWOA:.*]])
 CHECK: [[BOFF]]:
-CHECK-LABEL: Compile Unit: length = {{.*}} version = 0x0004 abbr_offset =
-CHECK:         0x[[BAOFF]] addr_size = 0x08 (next unit at [[XOFF:.*]])
+CHECK-LABEL: Compile Unit: length = {{.*}}, version = 0x0004, abbr_offset =
+CHECK:         0x[[BAOFF]], addr_size = 0x08 (next unit at [[XOFF:.*]])
 CHECK:   DW_AT_GNU_dwo_id {{.*}} ([[DWOB:.*]])
 
 CHECK-LABEL: .debug_cu_index
diff --git a/llvm/test/tools/llvm-dwp/X86/simple.test b/llvm/test/tools/llvm-dwp/X86/simple.test
--- a/llvm/test/tools/llvm-dwp/X86/simple.test
+++ b/llvm/test/tools/llvm-dwp/X86/simple.test
@@ -29,8 +29,8 @@
 
 CHECK: .debug_info.dwo contents:
 CHECK: [[AOFF:0x[0-9a-f]*]]:
-CHECK-LABEL: Compile Unit: length = {{.*}} version = 0x0004 abbr_offset =
-CHECK:         0x[[AAOFF]] addr_size = 0x08 (next unit at [[BOFF:.*]])
+CHECK-LABEL: Compile Unit: length = {{.*}}, version = 0x0004, abbr_offset =
+CHECK:         0x[[AAOFF]], addr_size = 0x08 (next unit at [[BOFF:.*]])
 CHECK: DW_TAG_compile_unit
 CHECK:   DW_AT_name {{.*}} "a.cpp"
 CHECK:   DW_AT_GNU_dwo_id {{.*}} ([[DWOA:.*]])
@@ -41,8 +41,8 @@
 TYPES:     DW_AT_signature {{.*}} ([[FOOSIG:.*]])
 
 CHECK: [[BOFF]]:
-CHECK-LABEL: Compile Unit: length = {{.*}} version = 0x0004 abbr_offset =
-CHECK:         0x[[BAOFF]] addr_size = 0x08 (next unit at [[XOFF:.*]])
+CHECK-LABEL: Compile Unit: length = {{.*}}, version = 0x0004, abbr_offset =
+CHECK:         0x[[BAOFF]], addr_size = 0x08 (next unit at [[XOFF:.*]])
 CHECK:   DW_AT_name {{.*}} "b.cpp"
 CHECK:   DW_AT_GNU_dwo_id {{.*}} ([[DWOB:.*]])
 CHECK:   DW_TAG_structure_type