| ; RUN: llc -mtriple=x86_64-apple-darwin %s -o %t -filetype=obj |
| ; RUN: llvm-dwarfdump -v -debug-info %t | FileCheck %s |
| |
| ; test that the DW_AT_specification is a back edge in the file. |
| |
| ; Skip the definition of zed(foo*) |
| ; CHECK: DW_TAG_subprogram |
| ; CHECK: DW_TAG_class_type |
| ; CHECK: DW_TAG_subprogram |
| ; CHECK: DW_AT_linkage_name {{.*}} "_ZN3foo3barEv" |
| ; CHECK: DW_TAG_subprogram |
| ; CHECK-NOT: DW_TAG |
| ; CHECK: DW_AT_specification {{.*}} "_ZN3foo3barEv" |
| |
| %struct.foo = type { i8 } |
| |
| define void @_Z3zedP3foo(ptr %x) uwtable !dbg !5 { |
| entry: |
| %x.addr = alloca ptr, align 8 |
| store ptr %x, ptr %x.addr, align 8 |
| call void @llvm.dbg.declare(metadata ptr %x.addr, metadata !23, metadata !DIExpression()), !dbg !24 |
| %0 = load ptr, ptr %x.addr, align 8, !dbg !25 |
| call void @_ZN3foo3barEv(ptr %0), !dbg !25 |
| ret void, !dbg !27 |
| } |
| |
| declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone |
| |
| define linkonce_odr void @_ZN3foo3barEv(ptr %this) nounwind uwtable align 2 !dbg !20 { |
| entry: |
| %this.addr = alloca ptr, align 8 |
| store ptr %this, ptr %this.addr, align 8 |
| call void @llvm.dbg.declare(metadata ptr %this.addr, metadata !28, metadata !DIExpression()), !dbg !29 |
| %this1 = load ptr, ptr %this.addr |
| ret void, !dbg !30 |
| } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!33} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.0 ()", isOptimized: false, emissionKind: FullDebug, file: !32, enums: !1, retainedTypes: !1, globals: !1, imports: !1) |
| !1 = !{} |
| !5 = distinct !DISubprogram(name: "zed", linkageName: "_Z3zedP3foo", line: 4, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 4, file: !6, scope: !6, type: !7) |
| !6 = !DIFile(filename: "/home/espindola/llvm/test.cc", directory: "/home/espindola/tmpfs/build") |
| !7 = !DISubroutineType(types: !8) |
| !8 = !{null, !9} |
| !9 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !10) |
| !10 = !DICompositeType(tag: DW_TAG_class_type, name: "foo", line: 1, size: 8, align: 8, file: !32, elements: !11) |
| !11 = !{!12} |
| !12 = !DISubprogram(name: "bar", linkageName: "_ZN3foo3barEv", line: 2, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 2, file: !6, scope: !10, type: !13) |
| !13 = !DISubroutineType(types: !14) |
| !14 = !{null, !15} |
| !15 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial, baseType: !10) |
| !20 = distinct !DISubprogram(name: "bar", linkageName: "_ZN3foo3barEv", line: 2, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 2, file: !6, scope: null, type: !13, declaration: !12) |
| !23 = !DILocalVariable(name: "x", line: 4, arg: 1, scope: !5, file: !6, type: !9) |
| !24 = !DILocation(line: 4, column: 15, scope: !5) |
| !25 = !DILocation(line: 4, column: 20, scope: !26) |
| !26 = distinct !DILexicalBlock(line: 4, column: 18, file: !6, scope: !5) |
| !27 = !DILocation(line: 4, column: 30, scope: !26) |
| !28 = !DILocalVariable(name: "this", line: 2, arg: 1, flags: DIFlagArtificial, scope: !20, file: !6, type: !15) |
| !29 = !DILocation(line: 2, column: 8, scope: !20) |
| !30 = !DILocation(line: 2, column: 15, scope: !31) |
| !31 = distinct !DILexicalBlock(line: 2, column: 14, file: !6, scope: !20) |
| !32 = !DIFile(filename: "/home/espindola/llvm/test.cc", directory: "/home/espindola/tmpfs/build") |
| !33 = !{i32 1, !"Debug Info Version", i32 3} |