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 32 define 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 42 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 43 44 attributes #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" } 45 attributes #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: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !10, imports: !2) 52 !1 = !DIFile(filename: "a.cpp", directory: "/tmp/dbginfo") 53 !2 = !{} 54 !4 = distinct !DISubprogram(name: "func", linkageName: "_Z4funci", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 1, file: !5, scope: !6, type: !7, variables: !2) 55 !5 = !DIFile(filename: "func.h", directory: "/tmp/dbginfo") 56 !6 = !DIFile(filename: "func.h", directory: "/tmp/dbginfo") 57 !7 = !DISubroutineType(types: !8) 58 !8 = !{!9, !9} 59 !9 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 60 !10 = !{!11} 61 !11 = !DIGlobalVariable(name: "x", line: 4, isLocal: false, isDefinition: true, scope: null, file: !6, type: !12, variable: i32 (i32)** @x) 62 !12 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !7) 63 !13 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 ", isOptimized: false, emissionKind: FullDebug, file: !14, enums: !2, retainedTypes: !2, globals: !15, imports: !2) 64 !14 = !DIFile(filename: "b.cpp", directory: "/tmp/dbginfo") 65 !15 = !{!16} 66 !16 = !DIGlobalVariable(name: "y", line: 4, isLocal: false, isDefinition: true, scope: null, file: !6, type: !12, variable: i32 (i32)** @y) 67 !17 = !{i32 2, !"Dwarf Version", i32 4} 68 !18 = !{i32 1, !"Debug Info Version", i32 3} 69 !19 = !{!"clang version 3.5.0 "} 70 !20 = !DILocalVariable(name: "i", line: 1, arg: 1, scope: !4, file: !6, type: !9) 71 !21 = !DILocation(line: 1, scope: !4) 72 !22 = !DILocation(line: 2, scope: !4) 73 !24 = distinct !DISubprogram(name: "func", linkageName: "_Z4funci", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !13, scopeLine: 1, file: !5, scope: !6, type: !7, variables: !2) 74
