|
83
|
1 ; REQUIRES: object-emission
|
|
|
2 ; RUN: %llc_dwarf -O0 -filetype=obj < %s | llvm-dwarfdump - | FileCheck %s
|
|
|
3
|
|
|
4 ; Generated from the following source compiled with clang++ -gmlt:
|
|
|
5 ; void f1() {}
|
|
|
6 ; void __attribute__((section("__TEXT,__bar"))) f2() {}
|
|
|
7 ; void __attribute__((always_inline)) f3() { f1(); }
|
|
|
8 ; void f4() { f3(); }
|
|
|
9
|
|
|
10 ; Check that
|
|
|
11 ; * -gmlt includes no DW_TAG_subprograms for subprograms without inlined
|
|
|
12 ; subroutines.
|
|
|
13 ; * yet still produces DW_AT_ranges and a range list in debug_ranges that
|
|
|
14 ; describes those subprograms
|
|
|
15
|
|
|
16 ; CHECK: DW_TAG_compile_unit
|
|
|
17 ; CHECK: DW_AT_ranges [DW_FORM_sec_offset] (0x00000000
|
|
|
18 ; CHECK-NOT: {{DW_TAG|NULL}}
|
|
|
19
|
|
|
20 ; Omitting the subprograms without inlined subroutines is not possible
|
|
|
21 ; currently on Darwin as dsymutil will drop the whole CU if it has no subprograms
|
|
|
22 ; (which happens with this optimization if there are no inlined subroutines).
|
|
|
23
|
|
|
24 ; DARWIN: DW_TAG_subprogram
|
|
|
25 ; DARWIN-NOT: DW_TAG
|
|
|
26 ; DARWIN: DW_AT_name {{.*}} "f1"
|
|
|
27 ; DARWIN-NOT: {{DW_TAG|NULL}}
|
|
|
28 ; DARWIN: DW_TAG_subprogram
|
|
|
29 ; DARWIN-NOT: DW_TAG
|
|
|
30 ; DARWIN: DW_AT_name {{.*}} "f2"
|
|
|
31 ; DARWIN-NOT: {{DW_TAG|NULL}}
|
|
|
32 ; DARWIN: DW_TAG_subprogram
|
|
|
33 ; DARWIN-NOT: DW_TAG
|
|
|
34 ; Can't check the abstract_origin value across the DARWIN/CHECK checking and
|
|
|
35 ; ordering, so don't bother - just trust me, it refers to f3 down there.
|
|
|
36 ; DARWIN: DW_AT_abstract_origin
|
|
|
37 ; DARWIN-NOT: {{DW_TAG|NULL}}
|
|
|
38
|
|
|
39
|
|
|
40 ; FIXME: Emitting separate abstract definitions is inefficient when we could
|
|
|
41 ; just attach the DW_AT_name to the inlined_subroutine directly. Except that
|
|
|
42 ; would produce many string relocations. Implement string indexing in the
|
|
|
43 ; skeleton CU to address the relocation problem, then remove abstract
|
|
|
44 ; definitions from -gmlt here.
|
|
|
45
|
|
|
46 ; CHECK: DW_TAG_subprogram
|
|
|
47 ; CHECK-NEXT: DW_AT_name {{.*}} "f3"
|
|
|
48
|
|
|
49 ; FIXME: We don't really need DW_AT_inline, consumers can ignore this due to
|
|
|
50 ; the absence of high_pc/low_pc/ranges and know that they just need it for
|
|
|
51 ; retrieving the name of a concrete inlined instance
|
|
|
52
|
|
|
53 ; CHECK-NOT: {{DW_TAG|DW_AT|NULL}}
|
|
|
54
|
|
|
55 ; Check that we only provide the minimal attributes on a subprogram to save space.
|
|
|
56 ; CHECK: DW_TAG_subprogram
|
|
|
57 ; CHECK-NEXT: DW_AT_low_pc
|
|
|
58 ; CHECK-NEXT: DW_AT_high_pc
|
|
|
59 ; CHECK-NEXT: DW_AT_name
|
|
|
60 ; CHECK-NOT: {{DW_TAG|DW_AT}}
|
|
|
61 ; CHECK: DW_TAG_inlined_subroutine
|
|
|
62
|
|
|
63 ; As mentioned above - replace DW_AT_abstract_origin with DW_AT_name to save
|
|
|
64 ; space once we have support for string indexing in non-dwo sections
|
|
|
65
|
|
|
66 ; CHECK-NEXT: DW_AT_abstract_origin {{.*}} "f3"
|
|
|
67 ; CHECK-NEXT: DW_AT_low_pc
|
|
|
68 ; CHECK-NEXT: DW_AT_high_pc
|
|
|
69 ; CHECK-NEXT: DW_AT_call_file
|
|
|
70 ; CHECK-NEXT: DW_AT_call_line
|
|
|
71
|
|
|
72 ; Make sure we don't have any other subprograms here (subprograms with no
|
|
|
73 ; inlined subroutines are omitted by design to save space)
|
|
|
74
|
|
|
75 ; CHECK-NOT: {{DW_TAG|DW_AT}}
|
|
|
76 ; CHECK: NULL
|
|
|
77 ; CHECK-NOT: {{DW_TAG|DW_AT}}
|
|
|
78 ; CHECK: NULL
|
|
|
79
|
|
|
80
|
|
|
81 ; CHECK: .debug_ranges contents:
|
|
|
82
|
|
|
83 ; ... some addresses (depends on platform (such as platforms with function
|
|
|
84 ; reordering in the linker), and looks wonky on platforms with zero values
|
|
|
85 ; written in relocation places (dumper needs to be fixed to read the
|
|
|
86 ; relocations rather than interpret that as the end of a range list))
|
|
|
87
|
|
|
88 ; CHECK: 00000000 <End of list>
|
|
|
89
|
|
|
90
|
|
|
91 ; Check that we don't emit any pubnames or pubtypes under -gmlt
|
|
|
92 ; CHECK: .debug_pubnames contents:
|
|
|
93 ; CHECK-NOT: Offset
|
|
|
94
|
|
|
95 ; CHECK: .debug_pubtypes contents:
|
|
|
96 ; CHECK-NOT: Offset
|
|
|
97
|
|
|
98 ; CHECK: .apple{{.*}} contents:
|
|
|
99
|
|
|
100 ; Function Attrs: nounwind uwtable
|
|
|
101 define void @_Z2f1v() #0 {
|
|
|
102 entry:
|
|
|
103 ret void, !dbg !13
|
|
|
104 }
|
|
|
105
|
|
|
106 ; Function Attrs: nounwind uwtable
|
|
|
107 define void @_Z2f2v() #0 section "__TEXT,__bar" {
|
|
|
108 entry:
|
|
|
109 ret void, !dbg !14
|
|
|
110 }
|
|
|
111
|
|
|
112 ; Function Attrs: alwaysinline nounwind uwtable
|
|
|
113 define void @_Z2f3v() #1 {
|
|
|
114 entry:
|
|
|
115 call void @_Z2f1v(), !dbg !15
|
|
|
116 ret void, !dbg !16
|
|
|
117 }
|
|
|
118
|
|
|
119 ; Function Attrs: nounwind uwtable
|
|
|
120 define void @_Z2f4v() #0 {
|
|
|
121 entry:
|
|
|
122 call void @_Z2f1v() #2, !dbg !17
|
|
|
123 ret void, !dbg !19
|
|
|
124 }
|
|
|
125
|
|
|
126 attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
|
|
|
127 attributes #1 = { alwaysinline nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
|
|
|
128 attributes #2 = { nounwind }
|
|
|
129
|
|
|
130 !llvm.dbg.cu = !{!0}
|
|
|
131 !llvm.module.flags = !{!10, !11}
|
|
|
132 !llvm.ident = !{!12}
|
|
|
133
|
|
|
134 !0 = !{!"0x11\004\00clang version 3.6.0 \000\00\000\00\002", !1, !2, !2, !3, !2, !2} ; [ DW_TAG_compile_unit ] [/tmp/dbginfo/gmlt.cpp] [DW_LANG_C_plus_plus]
|
|
|
135 !1 = !{!"gmlt.cpp", !"/tmp/dbginfo"}
|
|
|
136 !2 = !{}
|
|
|
137 !3 = !{!4, !7, !8, !9}
|
|
|
138 !4 = !{!"0x2e\00f1\00f1\00\001\000\001\000\006\00256\000\001", !1, !5, !6, null, void ()* @_Z2f1v, null, null, !2} ; [ DW_TAG_subprogram ] [line 1] [def] [f1]
|
|
|
139 !5 = !{!"0x29", !1} ; [ DW_TAG_file_type ] [/tmp/dbginfo/gmlt.cpp]
|
|
|
140 !6 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !2, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
|
|
|
141 !7 = !{!"0x2e\00f2\00f2\00\002\000\001\000\006\00256\000\002", !1, !5, !6, null, void ()* @_Z2f2v, null, null, !2} ; [ DW_TAG_subprogram ] [line 2] [def] [f2]
|
|
|
142 !8 = !{!"0x2e\00f3\00f3\00\003\000\001\000\006\00256\000\003", !1, !5, !6, null, void ()* @_Z2f3v, null, null, !2} ; [ DW_TAG_subprogram ] [line 3] [def] [f3]
|
|
|
143 !9 = !{!"0x2e\00f4\00f4\00\004\000\001\000\006\00256\000\004", !1, !5, !6, null, void ()* @_Z2f4v, null, null, !2} ; [ DW_TAG_subprogram ] [line 4] [def] [f4]
|
|
|
144 !10 = !{i32 2, !"Dwarf Version", i32 4}
|
|
|
145 !11 = !{i32 2, !"Debug Info Version", i32 2}
|
|
|
146 !12 = !{!"clang version 3.6.0 "}
|
|
|
147 !13 = !MDLocation(line: 1, column: 12, scope: !4)
|
|
|
148 !14 = !MDLocation(line: 2, column: 53, scope: !7)
|
|
|
149 !15 = !MDLocation(line: 3, column: 44, scope: !8)
|
|
|
150 !16 = !MDLocation(line: 3, column: 50, scope: !8)
|
|
|
151 !17 = !MDLocation(line: 3, column: 44, scope: !8, inlinedAt: !18)
|
|
|
152 !18 = !MDLocation(line: 4, column: 13, scope: !9)
|
|
|
153 !19 = !MDLocation(line: 4, column: 19, scope: !9)
|
