1 ; Generated from the following source compiled with clang++ -gmlt:
3 ; void __attribute__((section("__TEXT,__bar"))) f2() {}
4 ; void __attribute__((always_inline)) f3() { f1(); }
8 ; * -gmlt includes no DW_TAG_subprograms for subprograms without inlined
10 ; * yet still produces DW_AT_ranges and a range list in debug_ranges that
11 ; describes those subprograms
13 ; CHECK: DW_TAG_compile_unit
14 ; CHECK: DW_AT_ranges [DW_FORM_sec_offset] (0x00000000
15 ; CHECK-NOT: {{DW_TAG|NULL}}
17 ; Omitting the subprograms without inlined subroutines is not possible
18 ; currently on Darwin as dsymutil will drop the whole CU if it has no subprograms
19 ; (which happens with this optimization if there are no inlined subroutines).
21 ; DARWIN: DW_TAG_subprogram
23 ; DARWIN: DW_AT_name {{.*}} "f1"
24 ; DARWIN-NOT: {{DW_TAG|NULL}}
25 ; DARWIN: DW_TAG_subprogram
27 ; DARWIN: DW_AT_name {{.*}} "f2"
28 ; DARWIN-NOT: {{DW_TAG|NULL}}
29 ; DARWIN: DW_TAG_subprogram
31 ; Can't check the abstract_origin value across the DARWIN/CHECK checking and
32 ; ordering, so don't bother - just trust me, it refers to f3 down there.
33 ; DARWIN: DW_AT_abstract_origin
34 ; DARWIN-NOT: {{DW_TAG|NULL}}
37 ; FIXME: Emitting separate abstract definitions is inefficient when we could
38 ; just attach the DW_AT_name to the inlined_subroutine directly. Except that
39 ; would produce many string relocations. Implement string indexing in the
40 ; skeleton CU to address the relocation problem, then remove abstract
41 ; definitions from -gmlt here.
43 ; CHECK: DW_TAG_subprogram
44 ; CHECK-NEXT: DW_AT_name {{.*}}"f3"
45 ; CHECK-NEXT: DW_AT_inline
47 ; Check that we only provide the minimal attributes on a subprogram to save space.
48 ; CHECK: DW_TAG_subprogram
49 ; CHECK-NEXT: DW_AT_low_pc
50 ; CHECK-NEXT: DW_AT_high_pc
51 ; CHECK-NEXT: DW_AT_name
52 ; CHECK-NOT: {{DW_TAG|DW_AT}}
53 ; CHECK: DW_TAG_inlined_subroutine
55 ; As mentioned above - replace DW_AT_abstract_origin with DW_AT_name to save
56 ; space once we have support for string indexing in non-dwo sections
58 ; CHECK-NEXT: DW_AT_abstract_origin {{.*}} "f3"
59 ; CHECK-NEXT: DW_AT_low_pc
60 ; CHECK-NEXT: DW_AT_high_pc
61 ; CHECK-NEXT: DW_AT_call_file
62 ; CHECK-NEXT: DW_AT_call_line
63 ; CHECK-NEXT: DW_AT_call_column
65 ; Make sure we don't have any other subprograms here (subprograms with no
66 ; inlined subroutines are omitted by design to save space)
68 ; CHECK-NOT: {{DW_TAG|DW_AT}}
70 ; CHECK-NOT: {{DW_TAG|DW_AT}}
73 ; CHECK: .debug_ranges contents:
75 ; ... some addresses (depends on platform (such as platforms with function
76 ; reordering in the linker), and looks wonky on platforms with zero values
77 ; written in relocation places (dumper needs to be fixed to read the
78 ; relocations rather than interpret that as the end of a range list))
80 ; CHECK: 00000000 <End of list>
83 ; Check that we don't emit any pubnames or pubtypes under -gmlt
84 ; CHECK-NOT: .debug_pubnames contents:
85 ; CHECK-NOT: .debug_pubtypes contents:
87 ; Function Attrs: nounwind uwtable
88 define void @_Z2f1v() #0 !dbg !4 {
93 ; Function Attrs: nounwind uwtable
94 define void @_Z2f2v() #0 section "__TEXT,__bar" !dbg !7 {
99 ; Function Attrs: alwaysinline nounwind uwtable
100 define void @_Z2f3v() #1 !dbg !8 {
102 call void @_Z2f1v(), !dbg !15
106 ; Function Attrs: nounwind uwtable
107 define void @_Z2f4v() #0 !dbg !9 {
109 call void @_Z2f1v() #2, !dbg !17
113 attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
114 attributes #1 = { alwaysinline nounwind uwtable "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
115 attributes #2 = { nounwind }
118 !llvm.module.flags = !{!10, !11}
121 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.6.0 ", isOptimized: false, emissionKind: LineTablesOnly, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
122 !1 = !DIFile(filename: "gmlt.cpp", directory: "/tmp/dbginfo")
124 !4 = distinct !DISubprogram(name: "f1", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 1, file: !1, scope: !5, type: !6, retainedNodes: !2)
125 !5 = !DIFile(filename: "gmlt.cpp", directory: "/tmp/dbginfo")
126 !6 = !DISubroutineType(types: !2)
127 !7 = distinct !DISubprogram(name: "f2", line: 2, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 2, file: !1, scope: !5, type: !6, retainedNodes: !2)
128 !8 = distinct !DISubprogram(name: "f3", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 3, file: !1, scope: !5, type: !6, retainedNodes: !2)
129 !9 = distinct !DISubprogram(name: "f4", line: 4, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 4, file: !1, scope: !5, type: !6, retainedNodes: !2)
130 !10 = !{i32 2, !"Dwarf Version", i32 4}
131 !11 = !{i32 2, !"Debug Info Version", i32 3}
132 !12 = !{!"clang version 3.6.0 "}
133 !13 = !DILocation(line: 1, column: 12, scope: !4)
134 !14 = !DILocation(line: 2, column: 53, scope: !7)
135 !15 = !DILocation(line: 3, column: 44, scope: !8)
136 !16 = !DILocation(line: 3, column: 50, scope: !8)
137 !17 = !DILocation(line: 3, column: 44, scope: !8, inlinedAt: !18)
138 !18 = !DILocation(line: 4, column: 13, scope: !9)
139 !19 = !DILocation(line: 4, column: 19, scope: !9)