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1 2; RUN: llc -mtriple=x86_64-unknown-unknown -O0 -filetype=obj < %s > %t3; RUN: llvm-dwarfdump %t | FileCheck %s4 5; IR generated from clang -g with the following source:6; struct foo {7; foo(const foo&);8; int i;9; };10;11; void func(foo f, foo g) {12; f.i++;13; }14 15; CHECK: debug_info contents16; CHECK: DW_TAG_subprogram17; CHECK-NOT: DW_TAG18; CHECK: DW_AT_linkage_name{{.*}}"_Z4func3fooS_"19; CHECK-NOT: NULL20; CHECK: DW_TAG_formal_parameter21; CHECK-NOT: DW_TAG22; CHECK: DW_AT_name{{.*}}"f"23; CHECK-NOT: NULL24; CHECK: DW_TAG_formal_parameter25; CHECK-NOT: DW_TAG26; CHECK: DW_AT_name{{.*}}"g"27 28%struct.foo = type { i32 }29 30; Function Attrs: nounwind uwtable31define void @_Z4func3fooS_(ptr %f, ptr %g) #0 !dbg !4 {32entry:33 call void @llvm.dbg.declare(metadata ptr %f, metadata !19, metadata !DIExpression()), !dbg !2034 call void @llvm.dbg.declare(metadata ptr %g, metadata !21, metadata !DIExpression()), !dbg !2035 %0 = load i32, ptr %f, align 4, !dbg !2236 %inc = add nsw i32 %0, 1, !dbg !2237 store i32 %inc, ptr %f, align 4, !dbg !2238 ret void, !dbg !2339}40 41; Function Attrs: nounwind readnone42declare void @llvm.dbg.declare(metadata, metadata, metadata) #143 44attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "use-soft-float"="false" }45attributes #1 = { nounwind readnone }46 47!llvm.dbg.cu = !{!0}48!llvm.module.flags = !{!24}49 50!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)51!1 = !DIFile(filename: "scratch.cpp", directory: "/usr/local/google/home/blaikie/dev/scratch")52!2 = !{}53!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, retainedNodes: !2)54!5 = !DIFile(filename: "scratch.cpp", directory: "/usr/local/google/home/blaikie/dev/scratch")55!6 = !DISubroutineType(types: !7)56!7 = !{null, !8, !8}57!8 = !DICompositeType(tag: DW_TAG_structure_type, name: "foo", line: 1, size: 32, align: 32, file: !1, elements: !9)58!9 = !{!10, !12}59!10 = !DIDerivedType(tag: DW_TAG_member, name: "i", line: 3, size: 32, align: 32, file: !1, scope: !8, baseType: !11)60!11 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)61!12 = !DISubprogram(name: "foo", line: 2, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 2, file: !1, scope: !8, type: !13)62!13 = !DISubroutineType(types: !14)63!14 = !{null, !15, !16}64!15 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !8)65!16 = !DIDerivedType(tag: DW_TAG_reference_type, baseType: !17)66!17 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !8)67!19 = !DILocalVariable(name: "f", line: 6, arg: 1, scope: !4, file: !5, type: !8)68!20 = !DILocation(line: 6, scope: !4)69!21 = !DILocalVariable(name: "g", line: 6, arg: 2, scope: !4, file: !5, type: !8)70!22 = !DILocation(line: 7, scope: !4)71!23 = !DILocation(line: 8, scope: !4)72!24 = !{i32 1, !"Debug Info Version", i32 3}73