1 ; REQUIRES: object-emission
3 ; RUN: llc -mtriple=x86_64-linux -O0 -filetype=obj < %s | llvm-dwarfdump -v -debug-info - | FileCheck %s
4 ; RUN: llc -mtriple=x86_64-linux -O0 -filetype=obj < %s | not llvm-dwarfdump -verify - | FileCheck %s --check-prefix VERIFY
6 ; IR generated with `clang++ -g -emit-llvm -S` from the following code:
7 ; template<int x, int*, template<typename> class y, decltype(nullptr) n, int ...z> int func() {
11 ; template<typename> struct y_impl { struct nested { }; };
12 ; int glbl = func<3, &glbl, y_impl, nullptr, 1, 2>();
13 ; y_impl<int>::nested n;
15 ; VERIFY-NOT: error: DIE has DW_AT_type with incompatible tag DW_TAG_unspecified_type
16 ; VERIFY: error: DIEs have overlapping address ranges
18 ; CHECK: [[INT:0x[0-9a-f]*]]:{{ *}}DW_TAG_base_type
19 ; CHECK-NEXT: DW_AT_name{{.*}} = "int"
21 ; CHECK: DW_TAG_structure_type
22 ; CHECK: DW_AT_name{{.*}}"y_impl<int>"
23 ; CHECK-NOT: {{TAG|NULL}}
24 ; CHECK: DW_TAG_template_type_parameter
26 ; CHECK: DW_TAG_variable
27 ; CHECK-NEXT: DW_AT_name{{.*}}"var"
29 ; CHECK: DW_TAG_template_type_parameter
30 ; CHECK-NEXT: DW_AT_type{{.*}}=> {[[INT]]}
31 ; CHECK-NEXT: DW_AT_name{{.*}}= "T"
34 ; CHECK: DW_AT_name{{.*}}"func<3, &glbl, y_impl, nullptr, 1, 2>"
36 ; CHECK: DW_TAG_template_value_parameter
37 ; CHECK-NEXT: DW_AT_type{{.*}}=> {[[INT]]}
38 ; CHECK-NEXT: DW_AT_name{{.*}}= "x"
39 ; CHECK-NEXT: DW_AT_const_value [DW_FORM_sdata]{{.*}}(3)
41 ; CHECK: DW_TAG_template_value_parameter
42 ; CHECK-NEXT: DW_AT_type{{.*}}=> {[[INTPTR:0x[0-9a-f]*]]}
44 ; The address of the global 'glbl', followed by DW_OP_stack_value (9f), to use
45 ; the value immediately, rather than indirecting through the address.
47 ; CHECK-NEXT: DW_AT_location [DW_FORM_exprloc]{{ *}}(DW_OP_addr 0x0, DW_OP_stack_value)
50 ; CHECK: DW_TAG_GNU_template_template_param
51 ; CHECK-NEXT: DW_AT_name{{.*}}= "y"
52 ; CHECK-NEXT: DW_AT_GNU_template_name{{.*}}= "y_impl"
55 ; CHECK: DW_TAG_template_value_parameter
56 ; CHECK-NEXT: DW_AT_type{{.*}}=> {[[NULLPTR:0x[0-9a-f]*]]}
57 ; CHECK-NEXT: DW_AT_name{{.*}}= "n"
58 ; CHECK-NEXT: DW_AT_const_value [DW_FORM_udata]{{.*}}(0)
60 ; CHECK: DW_TAG_GNU_template_parameter_pack
62 ; CHECK: DW_TAG_template_value_parameter
63 ; CHECK-NEXT: DW_AT_type{{.*}}=> {[[INT]]}
64 ; CHECK-NEXT: DW_AT_const_value [DW_FORM_sdata]{{.*}}(1)
66 ; CHECK: DW_TAG_template_value_parameter
67 ; CHECK-NEXT: DW_AT_type{{.*}}=> {[[INT]]}
68 ; CHECK-NEXT: DW_AT_const_value [DW_FORM_sdata]{{.*}}(2)
70 ; CHECK: [[INTPTR]]:{{ *}}DW_TAG_pointer_type
71 ; CHECK-NEXT: DW_AT_type{{.*}} => {[[INT]]}
73 ; CHECK: [[NULLPTR]]:{{ *}}DW_TAG_unspecified_type
74 ; CHECK-NEXT: DW_AT_name{{.*}}= "decltype(nullptr)"
76 source_filename = "test/DebugInfo/X86/template.ll"
77 %"struct.y_impl<int>::nested" = type { i8 }
79 @glbl = dso_local global i32 0, align 4, !dbg !0
80 @_Z3varIiE = linkonce_odr dso_local global i32 0, align 4, !dbg !13
81 @n = dso_local global %"struct.y_impl<int>::nested" zeroinitializer, align 1, !dbg !6
82 @llvm.global_ctors = appending global [1 x { i32, void ()*, i8* }] [{ i32, void ()*, i8* } { i32 65535, void ()* @_GLOBAL__sub_I_upstream_test.cpp, i8* null }]
84 ; Function Attrs: noinline uwtable
85 define internal void @__cxx_global_var_init() #0 section ".text.startup" !dbg !21 {
87 %call = call i32 @_Z4funcILi3EXadL_Z4glblEE6y_implLDn0EJLi1ELi2EEEiv(), !dbg !24
88 store i32 %call, i32* @glbl, align 4, !dbg !24
92 ; Function Attrs: noinline nounwind optnone uwtable
93 define linkonce_odr dso_local i32 @_Z4funcILi3EXadL_Z4glblEE6y_implLDn0EJLi1ELi2EEEiv() #1 !dbg !25 {
95 store i32 5, i32* @_Z3varIiE, align 4, !dbg !39
96 %0 = load i32, i32* @_Z3varIiE, align 4, !dbg !40
100 ; Function Attrs: noinline uwtable
101 define internal void @_GLOBAL__sub_I_upstream_test.cpp() #0 section ".text.startup" !dbg !42 {
103 call void @__cxx_global_var_init(), !dbg !44
107 attributes #0 = { nounwind uwtable }
108 attributes #1 = { nounwind uwtable noinline optnone }
111 !llvm.module.flags = !{!17, !18, !19}
114 !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
115 !1 = distinct !DIGlobalVariable(name: "glbl", scope: !2, file: !3, line: 7, type: !12, isLocal: false, isDefinition: true)
116 !2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "clang version 7.0.0 ", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)
117 !3 = !DIFile(filename: "upstream_test.cpp", directory: "/home/mvoss/src/92562")
120 !6 = !DIGlobalVariableExpression(var: !7, expr: !DIExpression())
121 !7 = distinct !DIGlobalVariable(name: "n", scope: !2, file: !3, line: 8, type: !8, isLocal: false, isDefinition: true)!8 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "nested", scope: !9, file: !3, line: 6, size: 8, flags: DIFlagTypePassByValue, elements: !4, identifier: "_ZTSN6y_implIiE6nestedE")
122 !9 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "y_impl<int>", file: !3, line: 6, size: 8, flags: DIFlagTypePassByValue, elements: !4, templateParams: !10, identifier: "_ZTS6y_implIiE")
124 !11 = !DITemplateTypeParameter(type: !12)
125 !12 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
126 !13 = !DIGlobalVariableExpression(var: !14, expr: !DIExpression())
127 !14 = distinct !DIGlobalVariable(name: "var", linkageName: "_Z3varIiE", scope: !2, file: !3, line: 1, type: !12, isLocal: false, isDefinition: true, templateParams: !15)
129 !16 = !DITemplateTypeParameter(name: "T", type: !12)
130 !17 = !{i32 2, !"Dwarf Version", i32 4}
131 !18 = !{i32 2, !"Debug Info Version", i32 3}
132 !19 = !{i32 1, !"wchar_size", i32 4}
133 !20 = !{!"clang version 7.0.0 "}
134 !21 = distinct !DISubprogram(name: "__cxx_global_var_init", scope: !3, file: !3, line: 7, type: !22, isLocal: true, isDefinition: true, scopeLine: 7, flags: DIFlagPrototyped, isOptimized: false, unit: !2, retainedNodes: !4)
135 !22 = !DISubroutineType(types: !23)
137 !24 = !DILocation(line: 7, column: 12, scope: !21)
138 !25 = distinct !DISubprogram(name: "func<3, &glbl, y_impl, nullptr, 1, 2>", linkageName: "_Z4funcILi3EXadL_Z4glblEE6y_implLDn0EJLi1ELi2EEEiv", scope: !3, file: !3, line: 2, type: !26, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: false, unit: !2, templateParams: !28, retainedNodes: !4)
139 !26 = !DISubroutineType(types: !27)
141 !28 = !{!29, !30, !32, !33, !35}
142 !29 = !DITemplateValueParameter(name: "x", type: !12, value: i32 3)
143 !30 = !DITemplateValueParameter(type: !31, value: i32* @glbl)
144 !31 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !12, size: 64)
145 !32 = !DITemplateValueParameter(tag: DW_TAG_GNU_template_template_param, name: "y", value: !"y_impl")
146 !33 = !DITemplateValueParameter(name: "n", type: !34, value: i8 0)
147 !34 = !DIBasicType(tag: DW_TAG_unspecified_type, name: "decltype(nullptr)")
148 !35 = !DITemplateValueParameter(tag: DW_TAG_GNU_template_parameter_pack, name: "z", value: !36)
150 !37 = !DITemplateValueParameter(type: !12, value: i32 1)
151 !38 = !DITemplateValueParameter(type: !12, value: i32 2)
152 !39 = !DILocation(line: 3, column: 12, scope: !25)
153 !40 = !DILocation(line: 4, column: 10, scope: !25)
154 !41 = !DILocation(line: 4, column: 3, scope: !25)
155 !42 = distinct !DISubprogram(linkageName: "_GLOBAL__sub_I_upstream_test.cpp", scope: !3, file: !3, type: !43, isLocal: true, isDefinition: true, flags: DIFlagArtificial, isOptimized: false, unit: !2, retainedNodes: !4)
156 !43 = !DISubroutineType(types: !4)
157 !44 = !DILocation(line: 0, scope: !42)