1; REQUIRES: object-emission 2 3; RUN: llc -mtriple=x86_64-unknown-unknown -O0 -filetype=obj < %s > %t 4; RUN: llvm-dwarfdump %t | FileCheck %s 5 6; IR generated from clang -g with the following source: 7; struct foo { 8; foo(const foo&); 9; int i; 10; }; 11; 12; void func(foo f, foo g) { 13; f.i++; 14; } 15 16; CHECK: debug_info contents 17; CHECK: DW_TAG_subprogram 18; CHECK-NOT: DW_TAG 19; CHECK: DW_AT_linkage_name{{.*}}"_Z4func3fooS_" 20; CHECK-NOT: NULL 21; CHECK: DW_TAG_formal_parameter 22; CHECK-NOT: DW_TAG 23; CHECK: DW_AT_name{{.*}}"f" 24; CHECK-NOT: NULL 25; CHECK: DW_TAG_formal_parameter 26; CHECK-NOT: DW_TAG 27; CHECK: DW_AT_name{{.*}}"g" 28 29%struct.foo = type { i32 } 30 31; Function Attrs: nounwind uwtable 32define void @_Z4func3fooS_(%struct.foo* %f, %struct.foo* %g) #0 !dbg !4 { 33entry: 34 call void @llvm.dbg.declare(metadata %struct.foo* %f, metadata !19, metadata !DIExpression()), !dbg !20 35 call void @llvm.dbg.declare(metadata %struct.foo* %g, metadata !21, metadata !DIExpression()), !dbg !20 36 %i = getelementptr inbounds %struct.foo, %struct.foo* %f, i32 0, i32 0, !dbg !22 37 %0 = load i32, i32* %i, align 4, !dbg !22 38 %inc = add nsw i32 %0, 1, !dbg !22 39 store i32 %inc, i32* %i, align 4, !dbg !22 40 ret void, !dbg !23 41} 42 43; Function Attrs: nounwind readnone 44declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 45 46attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" } 47attributes #1 = { nounwind readnone } 48 49!llvm.dbg.cu = !{!0} 50!llvm.module.flags = !{!24} 51 52!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.4 ", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2) 53!1 = !DIFile(filename: "scratch.cpp", directory: "/usr/local/google/home/blaikie/dev/scratch") 54!2 = !{} 55!4 = distinct !DISubprogram(name: "func", linkageName: "_Z4func3fooS_", line: 6, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 6, file: !1, scope: !5, type: !6, variables: !2) 56!5 = !DIFile(filename: "scratch.cpp", directory: "/usr/local/google/home/blaikie/dev/scratch") 57!6 = !DISubroutineType(types: !7) 58!7 = !{null, !8, !8} 59!8 = !DICompositeType(tag: DW_TAG_structure_type, name: "foo", line: 1, size: 32, align: 32, file: !1, elements: !9) 60!9 = !{!10, !12} 61!10 = !DIDerivedType(tag: DW_TAG_member, name: "i", line: 3, size: 32, align: 32, file: !1, scope: !8, baseType: !11) 62!11 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 63!12 = !DISubprogram(name: "foo", line: 2, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 2, file: !1, scope: !8, type: !13) 64!13 = !DISubroutineType(types: !14) 65!14 = !{null, !15, !16} 66!15 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !8) 67!16 = !DIDerivedType(tag: DW_TAG_reference_type, baseType: !17) 68!17 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !8) 69!19 = !DILocalVariable(name: "f", line: 6, arg: 1, scope: !4, file: !5, type: !8) 70!20 = !DILocation(line: 6, scope: !4) 71!21 = !DILocalVariable(name: "g", line: 6, arg: 2, scope: !4, file: !5, type: !8) 72!22 = !DILocation(line: 7, scope: !4) 73!23 = !DILocation(line: 8, scope: !4) 74!24 = !{i32 1, !"Debug Info Version", i32 3} 75