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1; RUN: %llc_dwarf -O0 -filetype=obj < %s | llvm-dwarfdump -debug-info - | FileCheck %s2 3; Built from source:4; $ clang++ a.cpp b.cpp -g -c -emit-llvm5; $ llvm-link a.bc b.bc -o ab.bc6; $ cat a.cpp7; # 1 "func.h"8; inline int func(int i) {9; return i * 2;10; }11; int (*x)(int) = &func;12; $ cat b.cpp13; # 1 "func.h"14; inline int func(int i) {15; return i * 2;16; }17; int (*y)(int) = &func;18 19; CHECK: DW_TAG_compile_unit20; CHECK: DW_TAG_subprogram21; CHECK-NOT: DW_TAG22; CHECK: DW_AT_name ("func")23; CHECK: DW_TAG_compile_unit24; CHECK-NOT: DW_TAG_subprogram25 26source_filename = "test/DebugInfo/Generic/cross-cu-linkonce.ll"27 28@x = global ptr @_Z4funci, align 8, !dbg !029@y = global ptr @_Z4funci, align 8, !dbg !730 31; Function Attrs: inlinehint nounwind uwtable32define linkonce_odr i32 @_Z4funci(i32 %i) #0 !dbg !19 {33 %1 = alloca i32, align 434 store i32 %i, ptr %1, align 435 call void @llvm.dbg.declare(metadata ptr %1, metadata !20, metadata !21), !dbg !2236 %2 = load i32, ptr %1, align 4, !dbg !2337 %3 = mul nsw i32 %2, 2, !dbg !2338 ret i32 %3, !dbg !2339}40 41; Function Attrs: nounwind readnone42declare void @llvm.dbg.declare(metadata, metadata, metadata) #143 44attributes #0 = { inlinehint nounwind uwtable "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "use-soft-float"="false" }45attributes #1 = { nounwind readnone }46 47!llvm.dbg.cu = !{!9, !13}48!llvm.module.flags = !{!16, !17}49!llvm.ident = !{!18, !18}50 51!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())52!1 = !DIGlobalVariable(name: "x", scope: null, file: !2, line: 4, type: !3, isLocal: false, isDefinition: true)53!2 = !DIFile(filename: "func.h", directory: "/tmp/dbginfo")54!3 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !4, size: 64, align: 64)55!4 = !DISubroutineType(types: !5)56!5 = !{!6, !6}57!6 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)58!7 = !DIGlobalVariableExpression(var: !8, expr: !DIExpression())59!8 = !DIGlobalVariable(name: "y", scope: null, file: !2, line: 4, type: !3, isLocal: false, isDefinition: true)60!9 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !10, producer: "clang version 3.5.0 ", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !11, retainedTypes: !11, globals: !12, imports: !11)61!10 = !DIFile(filename: "a.cpp", directory: "/tmp/dbginfo")62!11 = !{}63!12 = !{!0}64!13 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !14, producer: "clang version 3.5.0 ", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !11, retainedTypes: !11, globals: !15, imports: !11)65!14 = !DIFile(filename: "b.cpp", directory: "/tmp/dbginfo")66!15 = !{!7}67!16 = !{i32 2, !"Dwarf Version", i32 4}68!17 = !{i32 1, !"Debug Info Version", i32 3}69!18 = !{!"clang version 3.5.0 "}70!19 = distinct !DISubprogram(name: "func", linkageName: "_Z4funci", scope: !2, file: !2, line: 1, type: !4, isLocal: false, isDefinition: true, scopeLine: 1, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !9, retainedNodes: !11)71!20 = !DILocalVariable(name: "i", arg: 1, scope: !19, file: !2, line: 1, type: !6)72!21 = !DIExpression()73!22 = !DILocation(line: 1, scope: !19)74!23 = !DILocation(line: 2, scope: !19)75 76