| |
| ; RUN: llc -mtriple=x86_64-linux-gnu -filetype=obj %s -o - | llvm-dwarfdump -all - | FileCheck %s |
| |
| ; Test that we accept and generate DWARF entities for DW_TAG_structure_type, |
| ; DW_TAG_member and DW_TAG_typedef with no source location. These can come up |
| ; in some languages with predefined types. |
| |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| %struct.S = type { ptr } |
| |
| define void @f() !dbg !4 { |
| %x = alloca %struct.S, align 8 |
| ; CHECK: DW_TAG_typedef |
| ; CHECK-NOT: DW_AT_decl_file |
| ; CHECK-NOT: DW_AT_decl_line |
| |
| ; CHECK: DW_TAG_structure_type |
| ; CHECK-NOT: DW_AT_decl_file |
| ; CHECK-NOT: DW_AT_decl_line |
| |
| ; CHECK: DW_TAG_member |
| ; CHECK-NOT: DW_AT_decl_file |
| ; CHECK-NOT: DW_AT_decl_line |
| |
| ; CHECK: {{DW_TAG|NULL}} |
| call void @llvm.dbg.declare(metadata ptr %x, metadata !10, metadata !16), !dbg !17 |
| ret void, !dbg !18 |
| } |
| |
| declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!7, !8} |
| !llvm.ident = !{!9} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !2, globals: !2, imports: !2) |
| !1 = !DIFile(filename: "file.c", directory: "/dir") |
| !2 = !{} |
| !4 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 7, type: !5, isLocal: false, isDefinition: true, scopeLine: 7, isOptimized: false, unit: !0, retainedNodes: !2) |
| !5 = !DISubroutineType(types: !6) |
| !6 = !{null} |
| !7 = !{i32 2, !"Dwarf Version", i32 4} |
| !8 = !{i32 2, !"Debug Info Version", i32 3} |
| !9 = !{!"clang"} |
| !10 = !DILocalVariable(name: "x", scope: !4, file: !1, line: 8, type: !11) |
| !11 = !DIDerivedType(tag: DW_TAG_typedef, name: "SS", baseType: !12) |
| !12 = !DICompositeType(tag: DW_TAG_structure_type, name: "S", size: 64, align: 64, elements: !13) |
| !13 = !{!14} |
| !14 = !DIDerivedType(tag: DW_TAG_member, name: "s", scope: !12, baseType: !15, size: 64, align: 64) |
| !15 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !12, size: 64, align: 64) |
| !16 = !DIExpression() |
| !17 = !DILocation(line: 8, column: 6, scope: !4) |
| !18 = !DILocation(line: 9, column: 1, scope: !4) |