1; REQUIRES: object-emission 2 3; RUN: llc -mtriple=x86_64-linux -O0 -filetype=obj < %s | llvm-dwarfdump -debug-dump=info - | FileCheck %s 4 5; IR generated with `clang++ -g -emit-llvm -S` from the following code: 6; template<int x, int*, template<typename> class y, decltype(nullptr) n, int ...z> int func() { return 3; } 7; template<typename> struct y_impl { struct nested { }; }; 8; int glbl = func<3, &glbl, y_impl, nullptr, 1, 2>(); 9; y_impl<int>::nested n; 10 11; CHECK: [[INT:0x[0-9a-f]*]]:{{ *}}DW_TAG_base_type 12; CHECK-NEXT: DW_AT_name{{.*}} = "int" 13 14; CHECK: DW_TAG_structure_type 15; CHECK-NEXT: DW_AT_name{{.*}}"y_impl<int>" 16; CHECK-NOT: NULL 17; CHECK: DW_TAG_template_type_parameter 18 19; CHECK: DW_AT_name{{.*}}"func<3, &glbl, y_impl, nullptr, 1, 2>" 20; CHECK-NOT: NULL 21; CHECK: DW_TAG_template_value_parameter 22; CHECK-NEXT: DW_AT_type{{.*}}=> {[[INT]]} 23; CHECK-NEXT: DW_AT_name{{.*}}= "x" 24; CHECK-NEXT: DW_AT_const_value [DW_FORM_sdata]{{.*}}(3) 25 26; CHECK: DW_TAG_template_value_parameter 27; CHECK-NEXT: DW_AT_type{{.*}}=> {[[INTPTR:0x[0-9a-f]*]]} 28 29; The address of the global 'glbl', followed by DW_OP_stack_value (9f), to use 30; the value immediately, rather than indirecting through the address. 31 32; CHECK-NEXT: DW_AT_location [DW_FORM_exprloc]{{ *}}(<0xa> 03 00 00 00 00 00 00 00 00 9f ) 33; CHECK-NOT: NULL 34 35; CHECK: DW_TAG_GNU_template_template_param 36; CHECK-NEXT: DW_AT_name{{.*}}= "y" 37; CHECK-NEXT: DW_AT_GNU_template_name{{.*}}= "y_impl" 38; CHECK-NOT: NULL 39 40; CHECK: DW_TAG_template_value_parameter 41; CHECK-NEXT: DW_AT_type{{.*}}=> {[[NULLPTR:0x[0-9a-f]*]]} 42; CHECK-NEXT: DW_AT_name{{.*}}= "n" 43; CHECK-NEXT: DW_AT_const_value [DW_FORM_udata]{{.*}}(0) 44 45; CHECK: DW_TAG_GNU_template_parameter_pack 46; CHECK-NOT: NULL 47; CHECK: DW_TAG_template_value_parameter 48; CHECK-NEXT: DW_AT_type{{.*}}=> {[[INT]]} 49; CHECK-NEXT: DW_AT_const_value [DW_FORM_sdata]{{.*}}(1) 50; CHECK-NOT: NULL 51; CHECK: DW_TAG_template_value_parameter 52; CHECK-NEXT: DW_AT_type{{.*}}=> {[[INT]]} 53; CHECK-NEXT: DW_AT_const_value [DW_FORM_sdata]{{.*}}(2) 54 55; CHECK: [[INTPTR]]:{{ *}}DW_TAG_pointer_type 56; CHECK-NEXT: DW_AT_type{{.*}} => {[[INT]]} 57 58; CHECK: [[NULLPTR]]:{{ *}}DW_TAG_unspecified_type 59; CHECK-NEXT: DW_AT_name{{.*}}= "decltype(nullptr)" 60 61%"struct.y_impl<int>::nested" = type { i8 } 62 63@glbl = global i32 0, align 4 64@n = global %"struct.y_impl<int>::nested" zeroinitializer, align 1 65@llvm.global_ctors = appending global [1 x { i32, void ()*, i8* }] [{ i32, void ()*, i8* } { i32 65535, void ()* @_GLOBAL__sub_I_template.cpp, i8* null }] 66 67define internal void @__cxx_global_var_init() section ".text.startup" !dbg !10 { 68entry: 69 %call = call i32 @_Z4funcILi3EXadL_Z4glblEE6y_implLDn0EJLi1ELi2EEEiv(), !dbg !36 70 store i32 %call, i32* @glbl, align 4, !dbg !36 71 ret void, !dbg !36 72} 73 74; Function Attrs: nounwind uwtable 75define linkonce_odr i32 @_Z4funcILi3EXadL_Z4glblEE6y_implLDn0EJLi1ELi2EEEiv() #0 !dbg !14 { 76entry: 77 ret i32 3, !dbg !37 78} 79 80define internal void @_GLOBAL__sub_I_template.cpp() section ".text.startup" { 81entry: 82 call void @__cxx_global_var_init(), !dbg !38 83 ret void 84} 85 86attributes #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" } 87 88!llvm.dbg.cu = !{!0} 89!llvm.module.flags = !{!33, !34} 90!llvm.ident = !{!35} 91 92!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.6.0 (trunk 224394) (llvm/trunk 224384)", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !3, globals: !30, imports: !2) 93!1 = !DIFile(filename: "template.cpp", directory: "/tmp/dbginfo") 94!2 = !{} 95!3 = !{!4, !8} 96!4 = !DICompositeType(tag: DW_TAG_structure_type, name: "y_impl<int>", line: 2, size: 8, align: 8, file: !1, elements: !2, templateParams: !5, identifier: "_ZTS6y_implIiE") 97!5 = !{!6} 98!6 = !DITemplateTypeParameter(type: !7) 99!7 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 100!8 = !DICompositeType(tag: DW_TAG_structure_type, name: "nested", line: 2, size: 8, align: 8, file: !1, scope: !4, elements: !2, identifier: "_ZTSN6y_implIiE6nestedE") 101!10 = distinct !DISubprogram(name: "__cxx_global_var_init", line: 3, isLocal: true, isDefinition: true, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 3, file: !1, scope: !11, type: !12, variables: !2) 102!11 = !DIFile(filename: "template.cpp", directory: "/tmp/dbginfo") 103!12 = !DISubroutineType(types: !13) 104!13 = !{null} 105!14 = distinct !DISubprogram(name: "func<3, &glbl, y_impl, nullptr, 1, 2>", linkageName: "_Z4funcILi3EXadL_Z4glblEE6y_implLDn0EJLi1ELi2EEEiv", line: 1, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 1, file: !1, scope: !11, type: !15, templateParams: !17, variables: !2) 106!15 = !DISubroutineType(types: !16) 107!16 = !{!7} 108!17 = !{!18, !19, !21, !22, !24} 109!18 = !DITemplateValueParameter(tag: DW_TAG_template_value_parameter, name: "x", type: !7, value: i32 3) 110!19 = !DITemplateValueParameter(tag: DW_TAG_template_value_parameter, type: !20, value: i32* @glbl) 111!20 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !7) 112!21 = !DITemplateValueParameter(tag: DW_TAG_GNU_template_template_param, name: "y", type: null, value: !"y_impl") 113!22 = !DITemplateValueParameter(tag: DW_TAG_template_value_parameter, name: "n", type: !23, value: i8 0) 114!23 = !DIBasicType(tag: DW_TAG_unspecified_type, name: "decltype(nullptr)") 115!24 = !DITemplateValueParameter(tag: DW_TAG_GNU_template_parameter_pack, name: "z", type: null, value: !25) 116!25 = !{!26, !27} 117!26 = !DITemplateValueParameter(tag: DW_TAG_template_value_parameter, type: !7, value: i32 1) 118!27 = !DITemplateValueParameter(tag: DW_TAG_template_value_parameter, type: !7, value: i32 2) 119!28 = distinct !DISubprogram(name: "", linkageName: "_GLOBAL__sub_I_template.cpp", isLocal: true, isDefinition: true, flags: DIFlagArtificial, isOptimized: false, unit: !0, file: !1, scope: !11, type: !29, variables: !2) 120!29 = !DISubroutineType(types: !2) 121!30 = !{!31, !32} 122!31 = !DIGlobalVariable(name: "glbl", line: 3, isLocal: false, isDefinition: true, scope: null, file: !11, type: !7, variable: i32* @glbl) 123!32 = !DIGlobalVariable(name: "n", line: 4, isLocal: false, isDefinition: true, scope: null, file: !11, type: !8, variable: %"struct.y_impl<int>::nested"* @n) 124!33 = !{i32 2, !"Dwarf Version", i32 4} 125!34 = !{i32 2, !"Debug Info Version", i32 3} 126!35 = !{!"clang version 3.6.0 (trunk 224394) (llvm/trunk 224384)"} 127!36 = !DILocation(line: 3, column: 12, scope: !10) 128!37 = !DILocation(line: 1, column: 96, scope: !14) 129!38 = !DILocation(line: 0, scope: !28) 130