1; REQUIRES: object-emission 2 3; RUN: %llc_dwarf -O0 -filetype=obj < %s | llvm-dwarfdump -debug-dump=info - | FileCheck %s 4 5; Built from source: 6; $ clang++ a.cpp b.cpp -g -c -emit-llvm 7; $ llvm-link a.bc b.bc -o ab.bc 8; $ cat a.cpp 9; # 1 "func.h" 10; inline int func(int i) { 11; return i * 2; 12; } 13; int (*x)(int) = &func; 14; $ cat b.cpp 15; # 1 "func.h" 16; inline int func(int i) { 17; return i * 2; 18; } 19; int (*y)(int) = &func; 20 21; CHECK: DW_TAG_compile_unit 22; CHECK: DW_TAG_subprogram 23; CHECK-NOT: DW_TAG 24; CHECK: DW_AT_name {{.*}} "func" 25; CHECK: DW_TAG_compile_unit 26; CHECK-NOT: DW_TAG_subprogram 27 28@x = global i32 (i32)* @_Z4funci, align 8 29@y = global i32 (i32)* @_Z4funci, align 8 30 31; Function Attrs: inlinehint nounwind uwtable 32define linkonce_odr i32 @_Z4funci(i32 %i) #0 !dbg !4 { 33 %1 = alloca i32, align 4 34 store i32 %i, i32* %1, align 4 35 call void @llvm.dbg.declare(metadata i32* %1, metadata !20, metadata !DIExpression()), !dbg !21 36 %2 = load i32, i32* %1, align 4, !dbg !22 37 %3 = mul nsw i32 %2, 2, !dbg !22 38 ret i32 %3, !dbg !22 39} 40 41; Function Attrs: nounwind readnone 42declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 43 44attributes #0 = { inlinehint nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } 45attributes #1 = { nounwind readnone } 46 47!llvm.dbg.cu = !{!0, !13} 48!llvm.module.flags = !{!17, !18} 49!llvm.ident = !{!19, !19} 50 51!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 ", isOptimized: false, emissionKind: 1, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !10, imports: !2) 52!1 = !DIFile(filename: "a.cpp", directory: "/tmp/dbginfo") 53!2 = !{} 54!3 = !{!4} 55!4 = distinct !DISubprogram(name: "func", linkageName: "_Z4funci", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 1, file: !5, scope: !6, type: !7, variables: !2) 56!5 = !DIFile(filename: "func.h", directory: "/tmp/dbginfo") 57!6 = !DIFile(filename: "func.h", directory: "/tmp/dbginfo") 58!7 = !DISubroutineType(types: !8) 59!8 = !{!9, !9} 60!9 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 61!10 = !{!11} 62!11 = !DIGlobalVariable(name: "x", line: 4, isLocal: false, isDefinition: true, scope: null, file: !6, type: !12, variable: i32 (i32)** @x) 63!12 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !7) 64!13 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 ", isOptimized: false, emissionKind: 1, file: !14, enums: !2, retainedTypes: !2, subprograms: !3, globals: !15, imports: !2) 65!14 = !DIFile(filename: "b.cpp", directory: "/tmp/dbginfo") 66!15 = !{!16} 67!16 = !DIGlobalVariable(name: "y", line: 4, isLocal: false, isDefinition: true, scope: null, file: !6, type: !12, variable: i32 (i32)** @y) 68!17 = !{i32 2, !"Dwarf Version", i32 4} 69!18 = !{i32 1, !"Debug Info Version", i32 3} 70!19 = !{!"clang version 3.5.0 "} 71!20 = !DILocalVariable(name: "i", line: 1, arg: 1, scope: !4, file: !6, type: !9) 72!21 = !DILocation(line: 1, scope: !4) 73!22 = !DILocation(line: 2, scope: !4) 74