; Tests that DW_AT_default_value is correctly emitted for C++ template ; parameters that are defaulted. ; ; ModuleID = 'debug-info-template-parameter.cpp' ; ; template ; class foo { ; }; ; ; int main() { ; foo f1; ; foo<> f2; ; return 0; ; } ; ; RUN: llc -filetype=obj -dwarf-version=4 %s -o - | llvm-dwarfdump - --debug-info | FileCheck %s --check-prefixes=DWARF-DUMP,DWARFv4 ; RUN: llc -filetype=obj -dwarf-version=4 -strict-dwarf=true %s -o - | llvm-dwarfdump - --debug-info | FileCheck %s --check-prefixes=DWARF-DUMP,STRICT ; DWARF-DUMP: DW_TAG_class_type ; DWARF-DUMP-LABEL: DW_AT_name ("foo") ; DWARF-DUMP: DW_TAG_template_type_parameter ; DWARF-DUMP-DAG: DW_AT_type ({{.*}} "char") ; DWARF-DUMP-DAG: DW_AT_name ("T") ; DWARFv4-DAG: DW_AT_default_value (true) ; STRICT-NOT: DW_AT_default_value ; DWARF-DUMP: DW_TAG_template_value_parameter ; DWARF-DUMP-DAG: DW_AT_type ({{.*}} "int") ; DWARF-DUMP-DAG: DW_AT_name ("i") ; DWARFv4-DAG: DW_AT_default_value (true) ; STRICT-NOT: DW_AT_default_value (true) ; DWARF-DUMP: DW_TAG_template_value_parameter ; DWARF-DUMP-DAG: DW_AT_type ({{.*}} "bool") ; DWARF-DUMP-DAG: DW_AT_name ("b") ; DWARFv4-DAG: DW_AT_default_value (true) ; STRICT-NOT: DW_AT_default_value ; DWARF-DUMP: {{DW_TAG|NULL}} source_filename = "/tmp/debug-info-template-parameter.cpp" target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64" %class.foo = type { i8 } %class.foo.0 = type { i8 } ; Function Attrs: mustprogress noinline norecurse nounwind optnone define dso_local noundef i32 @main() #0 !dbg !6 { entry: %retval = alloca i32, align 4 %f1 = alloca %class.foo, align 1 %f2 = alloca %class.foo.0, align 1 store i32 0, ptr %retval, align 4 call void @llvm.dbg.declare(metadata ptr %f1, metadata !12, metadata !DIExpression()), !dbg !20 call void @llvm.dbg.declare(metadata ptr %f2, metadata !21, metadata !DIExpression()), !dbg !29 ret i32 0, !dbg !30 } ; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none) declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 attributes #0 = { mustprogress noinline norecurse nounwind optnone "frame-pointer"="none" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+cx8,+mmx,+sse,+sse2,+x87" } attributes #1 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) } !llvm.dbg.cu = !{!0} !llvm.linker.options = !{} !llvm.module.flags = !{!2, !3, !4} !llvm.ident = !{!5} !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 16.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, splitDebugInlining: false, nameTableKind: None) !1 = !DIFile(filename: "/tmp/debug-info-template-parameter.cpp", directory: "/") !2 = !{i32 7, !"Dwarf Version", i32 4} !3 = !{i32 2, !"Debug Info Version", i32 3} !4 = !{i32 1, !"wchar_size", i32 4} !5 = !{!"clang version 16.0.0"} !6 = distinct !DISubprogram(name: "main", scope: !7, file: !7, line: 49, type: !8, scopeLine: 49, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !11) !7 = !DIFile(filename: "/tmp/debug-info-template-parameter.cpp", directory: "/") !8 = !DISubroutineType(types: !9) !9 = !{!10} !10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) !11 = !{} !12 = !DILocalVariable(name: "f1", scope: !6, file: !7, line: 50, type: !13) !13 = distinct !DICompositeType(tag: DW_TAG_class_type, name: "foo", file: !7, line: 46, size: 8, flags: DIFlagTypePassByValue, elements: !11, templateParams: !14, identifier: "_ZTS3fooIiLi6ELb0ELi3EE") !14 = !{!15, !16, !17, !19} !15 = !DITemplateTypeParameter(name: "T", type: !10) !16 = !DITemplateValueParameter(name: "i", type: !10, value: i32 6) !17 = !DITemplateValueParameter(name: "b", type: !18, value: i1 false) !18 = !DIBasicType(name: "bool", size: 8, encoding: DW_ATE_boolean) !19 = !DITemplateValueParameter(name: "x", type: !10, value: i32 3) !20 = !DILocation(line: 50, column: 25, scope: !6) !21 = !DILocalVariable(name: "f2", scope: !6, file: !7, line: 51, type: !22) !22 = distinct !DICompositeType(tag: DW_TAG_class_type, name: "foo", file: !7, line: 46, size: 8, flags: DIFlagTypePassByValue, elements: !11, templateParams: !23, identifier: "_ZTS3fooIcLi3ELb1ELi1EE") !23 = !{!24, !26, !27, !28} !24 = !DITemplateTypeParameter(name: "T", type: !25, defaulted: true) !25 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char) !26 = !DITemplateValueParameter(name: "i", type: !10, defaulted: true, value: i32 3) !27 = !DITemplateValueParameter(name: "b", type: !18, defaulted: true, value: i1 true) !28 = !DITemplateValueParameter(name: "x", type: !10, value: i32 1) !29 = !DILocation(line: 51, column: 9, scope: !6) !30 = !DILocation(line: 52, column: 3, scope: !6)