| ; REQUIRES: object-emission |
| |
| ; RUN: llc -mtriple=x86_64-linux -O0 -filetype=obj < %s | llvm-dwarfdump -debug-dump=info - | FileCheck %s |
| |
| ; IR generated with `clang++ -g -emit-llvm -S` from the following code: |
| ; template<int x, int*, template<typename> class y, decltype(nullptr) n, int ...z> int func() { return 3; } |
| ; template<typename> struct y_impl { struct nested { }; }; |
| ; int glbl = func<3, &glbl, y_impl, nullptr, 1, 2>(); |
| ; y_impl<int>::nested n; |
| |
| ; CHECK: [[INT:0x[0-9a-f]*]]:{{ *}}DW_TAG_base_type |
| ; CHECK-NEXT: DW_AT_name{{.*}} = "int" |
| |
| ; CHECK: DW_TAG_structure_type |
| ; CHECK-NEXT: DW_AT_name{{.*}}"y_impl<int>" |
| ; CHECK-NOT: NULL |
| ; CHECK: DW_TAG_template_type_parameter |
| |
| ; CHECK: DW_AT_name{{.*}}"func<3, &glbl, y_impl, nullptr, 1, 2>" |
| ; CHECK-NOT: NULL |
| ; CHECK: DW_TAG_template_value_parameter |
| ; CHECK-NEXT: DW_AT_type{{.*}}=> {[[INT]]} |
| ; CHECK-NEXT: DW_AT_name{{.*}}= "x" |
| ; CHECK-NEXT: DW_AT_const_value [DW_FORM_sdata]{{.*}}(3) |
| |
| ; CHECK: DW_TAG_template_value_parameter |
| ; CHECK-NEXT: DW_AT_type{{.*}}=> {[[INTPTR:0x[0-9a-f]*]]} |
| |
| ; The address of the global 'glbl', followed by DW_OP_stack_value (9f), to use |
| ; the value immediately, rather than indirecting through the address. |
| |
| ; CHECK-NEXT: DW_AT_location [DW_FORM_exprloc]{{ *}}(<0xa> 03 00 00 00 00 00 00 00 00 9f ) |
| ; CHECK-NOT: NULL |
| |
| ; CHECK: DW_TAG_GNU_template_template_param |
| ; CHECK-NEXT: DW_AT_name{{.*}}= "y" |
| ; CHECK-NEXT: DW_AT_GNU_template_name{{.*}}= "y_impl" |
| ; CHECK-NOT: NULL |
| |
| ; CHECK: DW_TAG_template_value_parameter |
| ; CHECK-NEXT: DW_AT_type{{.*}}=> {[[NULLPTR:0x[0-9a-f]*]]} |
| ; CHECK-NEXT: DW_AT_name{{.*}}= "n" |
| ; CHECK-NEXT: DW_AT_const_value [DW_FORM_udata]{{.*}}(0) |
| |
| ; CHECK: DW_TAG_GNU_template_parameter_pack |
| ; CHECK-NOT: NULL |
| ; CHECK: DW_TAG_template_value_parameter |
| ; CHECK-NEXT: DW_AT_type{{.*}}=> {[[INT]]} |
| ; CHECK-NEXT: DW_AT_const_value [DW_FORM_sdata]{{.*}}(1) |
| ; CHECK-NOT: NULL |
| ; CHECK: DW_TAG_template_value_parameter |
| ; CHECK-NEXT: DW_AT_type{{.*}}=> {[[INT]]} |
| ; CHECK-NEXT: DW_AT_const_value [DW_FORM_sdata]{{.*}}(2) |
| |
| ; CHECK: [[INTPTR]]:{{ *}}DW_TAG_pointer_type |
| ; CHECK-NEXT: DW_AT_type{{.*}} => {[[INT]]} |
| |
| ; CHECK: [[NULLPTR]]:{{ *}}DW_TAG_unspecified_type |
| ; CHECK-NEXT: DW_AT_name{{.*}}= "decltype(nullptr)" |
| |
| %"struct.y_impl<int>::nested" = type { i8 } |
| |
| @glbl = global i32 0, align 4 |
| @n = global %"struct.y_impl<int>::nested" zeroinitializer, align 1 |
| @llvm.global_ctors = appending global [1 x { i32, void ()*, i8* }] [{ i32, void ()*, i8* } { i32 65535, void ()* @_GLOBAL__sub_I_template.cpp, i8* null }] |
| |
| define internal void @__cxx_global_var_init() section ".text.startup" !dbg !10 { |
| entry: |
| %call = call i32 @_Z4funcILi3EXadL_Z4glblEE6y_implLDn0EJLi1ELi2EEEiv(), !dbg !36 |
| store i32 %call, i32* @glbl, align 4, !dbg !36 |
| ret void, !dbg !36 |
| } |
| |
| ; Function Attrs: nounwind uwtable |
| define linkonce_odr i32 @_Z4funcILi3EXadL_Z4glblEE6y_implLDn0EJLi1ELi2EEEiv() #0 !dbg !14 { |
| entry: |
| ret i32 3, !dbg !37 |
| } |
| |
| define internal void @_GLOBAL__sub_I_template.cpp() section ".text.startup" { |
| entry: |
| call void @__cxx_global_var_init(), !dbg !38 |
| ret void |
| } |
| |
| 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" } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!33, !34} |
| !llvm.ident = !{!35} |
| |
| !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) |
| !1 = !DIFile(filename: "template.cpp", directory: "/tmp/dbginfo") |
| !2 = !{} |
| !3 = !{!4, !8} |
| !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") |
| !5 = !{!6} |
| !6 = !DITemplateTypeParameter(type: !7) |
| !7 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) |
| !8 = !DICompositeType(tag: DW_TAG_structure_type, name: "nested", line: 2, size: 8, align: 8, file: !1, scope: !4, elements: !2, identifier: "_ZTSN6y_implIiE6nestedE") |
| !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) |
| !11 = !DIFile(filename: "template.cpp", directory: "/tmp/dbginfo") |
| !12 = !DISubroutineType(types: !13) |
| !13 = !{null} |
| !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) |
| !15 = !DISubroutineType(types: !16) |
| !16 = !{!7} |
| !17 = !{!18, !19, !21, !22, !24} |
| !18 = !DITemplateValueParameter(tag: DW_TAG_template_value_parameter, name: "x", type: !7, value: i32 3) |
| !19 = !DITemplateValueParameter(tag: DW_TAG_template_value_parameter, type: !20, value: i32* @glbl) |
| !20 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !7) |
| !21 = !DITemplateValueParameter(tag: DW_TAG_GNU_template_template_param, name: "y", type: null, value: !"y_impl") |
| !22 = !DITemplateValueParameter(tag: DW_TAG_template_value_parameter, name: "n", type: !23, value: i8 0) |
| !23 = !DIBasicType(tag: DW_TAG_unspecified_type, name: "decltype(nullptr)") |
| !24 = !DITemplateValueParameter(tag: DW_TAG_GNU_template_parameter_pack, name: "z", type: null, value: !25) |
| !25 = !{!26, !27} |
| !26 = !DITemplateValueParameter(tag: DW_TAG_template_value_parameter, type: !7, value: i32 1) |
| !27 = !DITemplateValueParameter(tag: DW_TAG_template_value_parameter, type: !7, value: i32 2) |
| !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) |
| !29 = !DISubroutineType(types: !2) |
| !30 = !{!31, !32} |
| !31 = !DIGlobalVariable(name: "glbl", line: 3, isLocal: false, isDefinition: true, scope: null, file: !11, type: !7, variable: i32* @glbl) |
| !32 = !DIGlobalVariable(name: "n", line: 4, isLocal: false, isDefinition: true, scope: null, file: !11, type: !8, variable: %"struct.y_impl<int>::nested"* @n) |
| !33 = !{i32 2, !"Dwarf Version", i32 4} |
| !34 = !{i32 2, !"Debug Info Version", i32 3} |
| !35 = !{!"clang version 3.6.0 (trunk 224394) (llvm/trunk 224384)"} |
| !36 = !DILocation(line: 3, column: 12, scope: !10) |
| !37 = !DILocation(line: 1, column: 96, scope: !14) |
| !38 = !DILocation(line: 0, scope: !28) |