diff --git a/clang/test/CodeGenCXX/debug-info-template-parameter.cpp b/clang/test/CodeGenCXX/debug-info-template-parameter.cpp index 1b36eb4308122c..46ef4519746063 100644 --- a/clang/test/CodeGenCXX/debug-info-template-parameter.cpp +++ b/clang/test/CodeGenCXX/debug-info-template-parameter.cpp @@ -4,8 +4,6 @@ // RUN: %clang_cc1 -emit-llvm %std_cxx11-14 -dwarf-version=5 -triple x86_64 %s -O0 -disable-llvm-passes -debug-info-kind=standalone -o - | FileCheck %s --check-prefixes=CHECK,PRE17 // RUN: %clang_cc1 -emit-llvm %std_cxx17- -dwarf-version=5 -triple x86_64 %s -O0 -disable-llvm-passes -debug-info-kind=standalone -o - | FileCheck %s --check-prefixes=CHECK,CXX17 // RUN: %clang_cc1 -emit-llvm %std_cxx17- -dwarf-version=4 -triple x86_64 %s -O0 -disable-llvm-passes -debug-info-kind=standalone -o - | FileCheck %s --check-prefixes=CHECK,CXX17 -// RUN: %clang_cc1 %std_cxx17- -dwarf-version=4 -gstrict-dwarf -triple x86_64 %s -O0 -disable-llvm-passes -debug-info-kind=standalone -emit-obj -o - %s | llvm-dwarfdump --debug-info - | FileCheck %s --check-prefixes=DWARF-DUMP,STRICT -// RUN: %clang_cc1 %std_cxx17- -dwarf-version=4 -triple x86_64 %s -O0 -disable-llvm-passes -debug-info-kind=standalone -emit-obj -o - %s | llvm-dwarfdump --debug-info - | FileCheck %s --check-prefixes=DWARF-DUMP,DWARFv4 // CHECK: DILocalVariable(name: "f1", {{.*}}, type: ![[TEMPLATE_TYPE:[0-9]+]] // CHECK: [[TEMPLATE_TYPE]] = {{.*}}!DICompositeType({{.*}}, templateParams: ![[F1_TYPE:[0-9]+]] @@ -23,25 +21,6 @@ // PRE17: [[THIRD]] = !DITemplateValueParameter(name: "b", type: !{{[0-9]*}}, defaulted: true, value: i8 1) // CXX17: [[THIRD]] = !DITemplateValueParameter(name: "b", type: !{{[0-9]*}}, defaulted: true, value: i1 true) -// 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}} - template class foo { }; diff --git a/llvm/test/DebugInfo/X86/debug-info-default-template-parameter.ll b/llvm/test/DebugInfo/X86/debug-info-default-template-parameter.ll new file mode 100644 index 00000000000000..19461330f73692 --- /dev/null +++ b/llvm/test/DebugInfo/X86/debug-info-default-template-parameter.ll @@ -0,0 +1,98 @@ +; 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)