| blob | 85e22931a5fc1f3dda54aed71390197ca8974597 |
1 ; Test enumeration representation in DWARF debug info:
2 ; * test value representation for each possible underlying integer type
3 ; * test the integer type is as expected
4 ; * test the DW_AT_enum_class attribute is present (resp. absent) as expected.
6 ; RUN: llc -debugger-tune=gdb -dwarf-version=4 -filetype=obj -o %t.o < %s
7 ; RUN: llvm-dwarfdump -debug-info %t.o | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-DW4
8 ; RUN: llc -debugger-tune=gdb -dwarf-version=2 -filetype=obj -o %t.o < %s
9 ; RUN: llvm-dwarfdump -debug-info %t.o | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-DW2
11 @x0 = global i8 0, align 1, !dbg !0
12 @x1 = global i8 0, align 1, !dbg !46
13 @x2 = global i16 0, align 2, !dbg !48
14 @x3 = global i16 0, align 2, !dbg !50
15 @x4 = global i32 0, align 4, !dbg !52
16 @x5 = global i32 0, align 4, !dbg !54
17 @x6 = global i64 0, align 8, !dbg !56
18 @x7 = global i64 0, align 8, !dbg !58
19 @x8 = global i32 0, align 4, !dbg !60
21 !llvm.dbg.cu = !{!2}
22 !llvm.module.flags = !{!62}
24 !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
25 !1 = distinct !DIGlobalVariable(name: "x0", scope: !2, file: !3, line: 5, type: !5, isLocal: false, isDefinition: true)
26 !2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "clang version 7.0.0 (/data/src/llvm/tools/clang 0c08d9830124a75675348b4eeb47256f3da6693d) (/data/src/llvm cf29510f52faa77b98510cd53276f564d1f4f41f)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !45)
27 !3 = !DIFile(filename: "/data/src/llvm-dev/tools/clang/test/CodeGen/debug-info-enum.cpp", directory: "/work/build/clang-dev")
28 !4 = !{!5, !10, !14, !19, !23, !28, !32, !37, !41}
30 ; Test enumeration with a fixed "signed char" underlying type.
31 !5 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E0", file: !3, line: 2, baseType: !6, size: 8, flags: DIFlagEnumClass, elements: !7, identifier: "_ZTS2E0")
32 !6 = !DIBasicType(name: "signed char", size: 8, encoding: DW_ATE_signed_char)
33 !7 = !{!8, !9}
34 !8 = !DIEnumerator(name: "A0", value: -128)
35 !9 = !DIEnumerator(name: "B0", value: 127)
36 ; CHECK: DW_TAG_enumeration_type
37 ; CHECK-DW2-NOT: DW_AT_type
38 ; CHECK-DW4: DW_AT_type{{.*}}"signed char"
39 ; CHECK-DW4: DW_AT_enum_class (true)
40 ; CHECK: DW_AT_name ("E0")
41 ; CHECK: DW_TAG_enumerator
42 ; CHECK: DW_AT_name ("A0")
43 ; CHECK-NEXT: DW_AT_const_value (-128)
44 ; CHECK: DW_TAG_enumerator
45 ; CHECK: DW_AT_name ("B0")
46 ; CHECK-NEXT: DW_AT_const_value (127)
48 ; Test enumeration with a fixed "unsigned char" underlying type.
49 !10 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E1", file: !3, line: 12, baseType: !11, size: 8, flags: DIFlagEnumClass, elements: !12, identifier: "_ZTS2E1")
50 !11 = !DIBasicType(name: "unsigned char", size: 8, encoding: DW_ATE_unsigned_char)
51 !12 = !{!13}
52 !13 = !DIEnumerator(name: "A1", value: 255, isUnsigned: true)
53 ; CHECK: DW_TAG_enumeration_type
54 ; CHECK-DW2-NOT: DW_AT_type
55 ; CHECK-DW4: DW_AT_type{{.*}}"unsigned char"
56 ; CHECK-DW4: DW_AT_enum_class (true)
57 ; CHECK: DW_AT_name ("E1")
58 ; CHECK: DW_TAG_enumerator
59 ; CHECK: DW_AT_name ("A1")
60 ; CHECK-NEXT: DW_AT_const_value (255)
62 ; Test enumeration with a fixed "short" underlying type.
63 !14 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E2", file: !3, line: 18, baseType: !15, size: 16, flags: DIFlagEnumClass, elements: !16, identifier: "_ZTS2E2")
64 !15 = !DIBasicType(name: "short", size: 16, encoding: DW_ATE_signed)
65 !16 = !{!17, !18}
66 !17 = !DIEnumerator(name: "A2", value: -32768)
67 !18 = !DIEnumerator(name: "B2", value: 32767)
68 ; CHECK: DW_TAG_enumeration_type
69 ; CHECK-DW2-NOT: DW_AT_type
70 ; CHECK-DW4: DW_AT_type{{.*}} "short"
71 ; CHECK-DW4: DW_AT_enum_class (true)
72 ; CHECK: DW_AT_name ("E2")
73 ; CHECK: DW_TAG_enumerator
74 ; CHECK: DW_AT_name ("A2")
75 ; CHECK-NEXT: DW_AT_const_value (-32768)
76 ; CHECK: DW_TAG_enumerator
77 ; CHECK: DW_AT_name ("B2")
78 ; CHECK-NEXT: DW_AT_const_value (32767)
80 ; Test enumeration with a fixed "unsigned short" underlying type.
81 !19 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E3", file: !3, line: 28, baseType: !20, size: 16, flags: DIFlagEnumClass, elements: !21, identifier: "_ZTS2E3")
82 !20 = !DIBasicType(name: "unsigned short", size: 16, encoding: DW_ATE_unsigned)
83 !21 = !{!22}
84 !22 = !DIEnumerator(name: "A3", value: 65535, isUnsigned: true)
85 ; CHECK: DW_TAG_enumeration_type
86 ; CHECK-DW2-NOT: DW_AT_type
87 ; CHECK-DW4: DW_AT_type{{.*}}"unsigned short"
88 ; CHECK-DW4: DW_AT_enum_class (true)
89 ; CHECK: DW_AT_name ("E3")
90 ; CHECK: DW_TAG_enumerator
91 ; CHECK: DW_AT_name ("A3")
92 ; CHECK-NEXT: DW_AT_const_value (65535)
94 ; Test enumeration with a fixed "int" underlying type.
95 !23 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E4", file: !3, line: 34, baseType: !24, size: 32, flags: DIFlagEnumClass, elements: !25, identifier: "_ZTS2E4")
96 !24 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
97 !25 = !{!26, !27}
98 !26 = !DIEnumerator(name: "A4", value: -2147483648)
99 !27 = !DIEnumerator(name: "B4", value: 2147483647)
100 ; CHECK: DW_TAG_enumeration_type
101 ; CHECK-DW2-NOT: DW_AT_type
102 ; CHECK-DW4: DW_AT_type{{.*}}"int"
103 ; CHECK-DW4: DW_AT_enum_class (true)
104 ; CHECK: DW_AT_name ("E4")
105 ; CHECK: DW_TAG_enumerator
106 ; CHECK: DW_AT_name ("A4")
107 ; CHECK-NEXT: DW_AT_const_value (-2147483648)
108 ; CHECK: DW_TAG_enumerator
109 ; CHECK: DW_AT_name ("B4")
110 ; CHECK-NEXT: DW_AT_const_value (2147483647)
112 ; Test enumeration with a fixed "unsigend int" underlying type.
113 !28 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E5", file: !3, line: 41, baseType: !29, size: 32, flags: DIFlagEnumClass, elements: !30, identifier: "_ZTS2E5")
114 !29 = !DIBasicType(name: "unsigned int", size: 32, encoding: DW_ATE_unsigned)
115 !30 = !{!31}
116 !31 = !DIEnumerator(name: "A5", value: 4294967295, isUnsigned: true)
117 ; CHECK: DW_TAG_enumeration_type
118 ; CHECK-DW2-NOT: DW_AT_type
119 ; CHECK-DW4: DW_AT_type{{.*}}"unsigned int"
120 ; CHECK-DW4: DW_AT_enum_class (true)
121 ; CHECK: DW_AT_name ("E5")
122 ; CHECK: DW_TAG_enumerator
123 ; CHECK: DW_AT_name ("A5")
124 ; CHECK-NEXT: DW_AT_const_value (4294967295)
126 ; Test enumeration with a fixed "long long" underlying type.
127 !32 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E6", file: !3, line: 47, baseType: !33, size: 64, flags: DIFlagEnumClass, elements: !34, identifier: "_ZTS2E6")
128 !33 = !DIBasicType(name: "long long int", size: 64, encoding: DW_ATE_signed)
129 !34 = !{!35, !36}
130 !35 = !DIEnumerator(name: "A6", value: -9223372036854775808)
131 !36 = !DIEnumerator(name: "B6", value: 9223372036854775807)
132 ; CHECK: DW_TAG_enumeration_type
133 ; CHECK-DW2-NOT: DW_AT_type
134 ; CHECK-DW4: DW_AT_type{{.*}}"long long int"
135 ; CHECK-DW4: DW_AT_enum_class (true)
136 ; CHECK: DW_AT_name ("E6")
137 ; CHECK: DW_TAG_enumerator
138 ; CHECK: DW_AT_name ("A6")
139 ; CHECK-NEXT: DW_AT_const_value (-9223372036854775808)
140 ; CHECK: DW_TAG_enumerator
141 ; CHECK: DW_AT_name ("B6")
142 ; CHECK-NEXT: DW_AT_const_value (9223372036854775807)
144 ; Test enumeration with a fixed "unsigned long long" underlying type.
145 !37 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E7", file: !3, line: 57, baseType: !38, size: 64, flags: DIFlagEnumClass, elements: !39, identifier: "_ZTS2E7")
146 !38 = !DIBasicType(name: "long long unsigned int", size: 64, encoding: DW_ATE_unsigned)
147 !39 = !{!40}
148 !40 = !DIEnumerator(name: "A7", value: 18446744073709551615, isUnsigned: true)
149 ; CHECK: DW_TAG_enumeration_type
150 ; CHECK-DW2-NOT: DW_AT_type
151 ; CHECK-DW4: DW_AT_type{{.*}}"long long unsigned int"
152 ; CHECK-DW4: DW_AT_enum_class (true)
153 ; CHECK: DW_AT_name ("E7")
154 ; CHECK: DW_TAG_enumerator
155 ; CHECK: DW_AT_name ("A7")
156 ; CHECK-NEXT: DW_AT_const_value (18446744073709551615)
158 ; Test enumeration without a fixed underlying type. The underlying type should
159 ; still be present (for DWARF >= 3), but the DW_AT_enum_class attribute should
160 ; be absent.
161 !41 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E8", file: !3, line: 63, baseType: !24, size: 32, elements: !42, identifier: "_ZTS2E8")
162 !42 = !{!43, !44}
163 !43 = !DIEnumerator(name: "A8", value: -128)
164 !44 = !DIEnumerator(name: "B8", value: 127)
165 ; CHECK: DW_TAG_enumeration_type
166 ; CHECK-DW2-NOT: DW_AT_type
167 ; CHECK-DW4: DW_AT_type{{.*}}"int"
168 ; CHECK-NOT: DW_AT_enum_class
169 ; CHECK: DW_AT_name ("E8")
171 ; Test enumeration without a fixed underlying type, but with the DIFlagEnumClass
172 ; set. The DW_AT_enum_class attribute should be absent. This behaviour is
173 ; intented to keep compatibilty with existing DWARF consumers, which may imply
174 ; the type is present whenever DW_AT_enum_class is set.
175 !63 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E9", file: !3, line: 63, size: 32, flags: DIFlagEnumClass, elements: !64, identifier: "_ZTS2E9")
176 !64 = !{!65, !66}
177 !65 = !DIEnumerator(name: "A9", value: -128)
178 !66 = !DIEnumerator(name: "B9", value: 127)
179 ; CHECK: DW_TAG_enumeration_type
180 ; CHECK-NOT: DW_AT_type
181 ; CHECK-NOT: DW_AT_enum_class
182 ; CHECK: DW_AT_name ("E9")
184 !45 = !{!0, !46, !48, !50, !52, !54, !56, !58, !60, !67}
185 !46 = !DIGlobalVariableExpression(var: !47, expr: !DIExpression())
186 !47 = distinct !DIGlobalVariable(name: "x1", scope: !2, file: !3, line: 12, type: !10, isLocal: false, isDefinition: true)
187 !48 = !DIGlobalVariableExpression(var: !49, expr: !DIExpression())
188 !49 = distinct !DIGlobalVariable(name: "x2", scope: !2, file: !3, line: 21, type: !14, isLocal: false, isDefinition: true)
189 !50 = !DIGlobalVariableExpression(var: !51, expr: !DIExpression())
190 !51 = distinct !DIGlobalVariable(name: "x3", scope: !2, file: !3, line: 28, type: !19, isLocal: false, isDefinition: true)
191 !52 = !DIGlobalVariableExpression(var: !53, expr: !DIExpression())
192 !53 = distinct !DIGlobalVariable(name: "x4", scope: !2, file: !3, line: 34, type: !23, isLocal: false, isDefinition: true)
193 !54 = !DIGlobalVariableExpression(var: !55, expr: !DIExpression())
194 !55 = distinct !DIGlobalVariable(name: "x5", scope: !2, file: !3, line: 41, type: !28, isLocal: false, isDefinition: true)
195 !56 = !DIGlobalVariableExpression(var: !57, expr: !DIExpression())
196 !57 = distinct !DIGlobalVariable(name: "x6", scope: !2, file: !3, line: 50, type: !32, isLocal: false, isDefinition: true)
197 !58 = !DIGlobalVariableExpression(var: !59, expr: !DIExpression())
198 !59 = distinct !DIGlobalVariable(name: "x7", scope: !2, file: !3, line: 57, type: !37, isLocal: false, isDefinition: true)
199 !60 = !DIGlobalVariableExpression(var: !61, expr: !DIExpression())
200 !61 = distinct !DIGlobalVariable(name: "x8", scope: !2, file: !3, line: 63, type: !41, isLocal: false, isDefinition: true)
201 !67 = !DIGlobalVariableExpression(var: !68, expr: !DIExpression())
202 !68 = distinct !DIGlobalVariable(name: "x9", scope: !2, file: !3, line: 63, type: !63, isLocal: false, isDefinition: true)
203 !62 = !{i32 2, !"Debug Info Version", i32 3}