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comparison test/DebugInfo/Inputs/gmlt.ll @ 83:60c9769439b8 LLVM3.7

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LLVM 3.7
author Tatsuki IHA <e125716@ie.u-ryukyu.ac.jp>
date Wed, 18 Feb 2015 14:55:36 +0900
parents
children afa8332a0e37
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78:af83660cff7b 83:60c9769439b8
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)