| |
| ; RUN: llc -mtriple=x86_64-linux -O0 -filetype=obj < %s | llvm-dwarfdump -v -debug-info - | FileCheck %s |
| ; RUN: llc -mtriple=x86_64-linux -O0 -filetype=obj < %s | llvm-dwarfdump -verify - | FileCheck %s --check-prefix VERIFY |
| |
| ; IR generated with `clang++ -g -emit-llvm -S` from the following code: |
| ; template<typename T> T var; |
| ; enum e : unsigned char { E = (e)-1 }; |
| ; template<int x, int*, template<typename> class y, decltype(nullptr) n, e, int ...z> int func() { |
| ; var<int> = 5; |
| ; return var<int>; |
| ; } |
| ; template<typename> struct y_impl { struct nested { }; }; |
| ; int glbl = func<3, &glbl, y_impl, nullptr, E, 1, 2>(); |
| ; y_impl<int>::nested n; |
| |
| ; VERIFY-NOT: error: |
| |
| ; CHECK: [[INT:0x[0-9a-f]*]]:{{ *}}DW_TAG_base_type |
| ; CHECK-NEXT: DW_AT_name{{.*}} = "int" |
| |
| ; CHECK: DW_TAG_structure_type |
| ; CHECK: DW_AT_name{{.*}}"y_impl<int>" |
| ; CHECK-NOT: {{TAG|NULL}} |
| ; CHECK: DW_TAG_template_type_parameter |
| |
| ; CHECK: DW_TAG_variable |
| ; CHECK-NEXT: DW_AT_name{{.*}}"var" |
| ; CHECK-NOT: NULL |
| ; CHECK: DW_TAG_template_type_parameter |
| ; CHECK-NEXT: DW_AT_type{{.*}}=> {[[INT]]} |
| ; CHECK-NEXT: DW_AT_name{{.*}}= "T" |
| |
| |
| ; CHECK: DW_AT_name{{.*}}"func<3, &glbl, y_impl, nullptr, E, 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]{{ *}}(DW_OP_addr 0x0, DW_OP_stack_value) |
| ; 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_template_value_parameter |
| ; CHECK: DW_AT_type [DW_FORM_ref4] {{.*}} "e") |
| ; CHECK: DW_AT_const_value [DW_FORM_udata] (255) |
| |
| ; 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)" |
| |
| source_filename = "test.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-unknown-linux-gnu" |
| |
| %"struct.y_impl<int>::nested" = type { i8 } |
| |
| $_Z4funcILi3EXadL_Z4glblEE6y_implLDn0EL1e255EJLi1ELi2EEEiv = comdat any |
| |
| $_Z3varIiE = comdat any |
| |
| @glbl = dso_local global i32 0, align 4, !dbg !0 |
| @n = dso_local global %"struct.y_impl<int>::nested" zeroinitializer, align 1, !dbg !10 |
| @_Z3varIiE = linkonce_odr dso_local global i32 0, comdat, align 4, !dbg !18 |
| @llvm.global_ctors = appending global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 65535, ptr @_GLOBAL__sub_I_test.cpp, ptr null }] |
| |
| ; Function Attrs: noinline uwtable |
| define internal void @__cxx_global_var_init() #0 section ".text.startup" !dbg !28 { |
| entry: |
| %call = call i32 @_Z4funcILi3EXadL_Z4glblEE6y_implLDn0EL1e255EJLi1ELi2EEEiv(), !dbg !31 |
| store i32 %call, ptr @glbl, align 4, !dbg !32 |
| ret void, !dbg !31 |
| } |
| |
| ; Function Attrs: mustprogress noinline nounwind optnone uwtable |
| define linkonce_odr dso_local i32 @_Z4funcILi3EXadL_Z4glblEE6y_implLDn0EL1e255EJLi1ELi2EEEiv() #1 comdat !dbg !33 { |
| entry: |
| store i32 5, ptr @_Z3varIiE, align 4, !dbg !48 |
| %0 = load i32, ptr @_Z3varIiE, align 4, !dbg !49 |
| ret i32 %0, !dbg !50 |
| } |
| |
| ; Function Attrs: noinline uwtable |
| define internal void @_GLOBAL__sub_I_test.cpp() #0 section ".text.startup" !dbg !51 { |
| entry: |
| call void @__cxx_global_var_init(), !dbg !53 |
| ret void |
| } |
| |
| attributes #0 = { noinline uwtable "frame-pointer"="all" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" } |
| attributes #1 = { mustprogress noinline nounwind optnone uwtable "frame-pointer"="all" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" } |
| |
| !llvm.dbg.cu = !{!2} |
| !llvm.module.flags = !{!22, !23, !24, !25, !26} |
| !llvm.ident = !{!27} |
| |
| !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) |
| !1 = distinct !DIGlobalVariable(name: "glbl", scope: !2, file: !3, line: 8, type: !17, isLocal: false, isDefinition: true) |
| !2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !3, producer: "clang version 14.0.0 (git@github.com:llvm/llvm-project.git d0046d018934b284c995408a117371606472cd2a)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !9, splitDebugInlining: false, nameTableKind: None) |
| !3 = !DIFile(filename: "test.cpp", directory: "") |
| !4 = !{!5} |
| !5 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "e", file: !3, line: 2, baseType: !6, size: 8, elements: !7, identifier: "_ZTS1e") |
| !6 = !DIBasicType(name: "unsigned char", size: 8, encoding: DW_ATE_unsigned_char) |
| !7 = !{!8} |
| !8 = !DIEnumerator(name: "E", value: 255, isUnsigned: true) |
| !9 = !{!0, !10, !18} |
| !10 = !DIGlobalVariableExpression(var: !11, expr: !DIExpression()) |
| !11 = distinct !DIGlobalVariable(name: "n", scope: !2, file: !3, line: 9, type: !12, isLocal: false, isDefinition: true) |
| !12 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "nested", scope: !13, file: !3, line: 7, size: 8, flags: DIFlagTypePassByValue, elements: !14, identifier: "_ZTSN6y_implIiE6nestedE") |
| !13 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "y_impl<int>", file: !3, line: 7, size: 8, flags: DIFlagTypePassByValue, elements: !14, templateParams: !15, identifier: "_ZTS6y_implIiE") |
| !14 = !{} |
| !15 = !{!16} |
| !16 = !DITemplateTypeParameter(type: !17) |
| !17 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| !18 = !DIGlobalVariableExpression(var: !19, expr: !DIExpression()) |
| !19 = distinct !DIGlobalVariable(name: "var", linkageName: "_Z3varIiE", scope: !2, file: !3, line: 1, type: !17, isLocal: false, isDefinition: true, templateParams: !20) |
| !20 = !{!21} |
| !21 = !DITemplateTypeParameter(name: "T", type: !17) |
| !22 = !{i32 7, !"Dwarf Version", i32 4} |
| !23 = !{i32 2, !"Debug Info Version", i32 3} |
| !24 = !{i32 1, !"wchar_size", i32 4} |
| !25 = !{i32 7, !"uwtable", i32 1} |
| !26 = !{i32 7, !"frame-pointer", i32 2} |
| !27 = !{!"clang version 14.0.0 (git@github.com:llvm/llvm-project.git d0046d018934b284c995408a117371606472cd2a)"} |
| !28 = distinct !DISubprogram(name: "__cxx_global_var_init", scope: !3, file: !3, type: !29, flags: DIFlagArtificial, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition, unit: !2, retainedNodes: !14) |
| !29 = !DISubroutineType(types: !30) |
| !30 = !{null} |
| !31 = !DILocation(line: 8, column: 12, scope: !28) |
| !32 = !DILocation(line: 0, scope: !28) |
| !33 = distinct !DISubprogram(name: "func<3, &glbl, y_impl, nullptr, E, 1, 2>", linkageName: "_Z4funcILi3EXadL_Z4glblEE6y_implLDn0EL1e255EJLi1ELi2EEEiv", scope: !3, file: !3, line: 3, type: !34, scopeLine: 3, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !2, templateParams: !36, retainedNodes: !14) |
| !34 = !DISubroutineType(types: !35) |
| !35 = !{!17} |
| !36 = !{!37, !38, !40, !41, !43, !44} |
| !37 = !DITemplateValueParameter(name: "x", type: !17, value: i32 3) |
| !38 = !DITemplateValueParameter(type: !39, value: ptr @glbl) |
| !39 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !17, size: 64) |
| !40 = !DITemplateValueParameter(tag: DW_TAG_GNU_template_template_param, name: "y", value: !"y_impl") |
| !41 = !DITemplateValueParameter(name: "n", type: !42, value: i8 0) |
| !42 = !DIBasicType(tag: DW_TAG_unspecified_type, name: "decltype(nullptr)") |
| !43 = !DITemplateValueParameter(type: !5, value: i8 -1) |
| !44 = !DITemplateValueParameter(tag: DW_TAG_GNU_template_parameter_pack, name: "z", value: !45) |
| !45 = !{!46, !47} |
| !46 = !DITemplateValueParameter(type: !17, value: i32 1) |
| !47 = !DITemplateValueParameter(type: !17, value: i32 2) |
| !48 = !DILocation(line: 4, column: 11, scope: !33) |
| !49 = !DILocation(line: 5, column: 9, scope: !33) |
| !50 = !DILocation(line: 5, column: 2, scope: !33) |
| !51 = distinct !DISubprogram(linkageName: "_GLOBAL__sub_I_test.cpp", scope: !3, file: !3, type: !52, flags: DIFlagArtificial, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition, unit: !2, retainedNodes: !14) |
| !52 = !DISubroutineType(types: !14) |
| !53 = !DILocation(line: 0, scope: !51) |