1 ; RUN: %llc_dwarf -split-dwarf-file=foo.dwo %s -filetype=obj -o - | llvm-dwarfdump -debug-info - | FileCheck %s 2 3 ; Created from: 4 ; a.cpp: 5 ; void f1(); 6 ; inline __attribute__((always_inline)) __attribute__((used)) void f2() { f1(); } 7 ; b.cpp: 8 ; void f2(); 9 ; void f3() { 10 ; f2(); 11 ; } 12 ; $ clang++ -fno-split-dwarf-inlining {a,b}.cpp -emit-llvm -S -g 13 ; $ llvm-link {a,b}.ll -S -o ab.ll 14 ; Then strip out the @llvm.used global, so no out of line definition of 'f2' 15 ; will be emitted. This emulates something more like the available_externally 16 ; import performed by ThinLTO. 17 18 ; CHECK: .debug_info contents: 19 ; CHECK: Compile Unit 20 ; CHECK-NOT: Compile Unit 21 ; CHECK: .debug_info.dwo contents: 22 23 target triple = "x86_64-pc-linux" 24 25 declare void @_Z2f1v() 26 27 ; Function Attrs: noinline norecurse uwtable 28 define i32 @main() !dbg !9 { 29 entry: 30 call void @_Z2f1v(), !dbg !13 31 ret i32 0, !dbg !18 32 } 33 34 !llvm.dbg.cu = !{!0, !3} 35 !llvm.ident = !{!5, !5} 36 !llvm.module.flags = !{!6, !7, !8} 37 38 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 5.0.0 (trunk 304054) (llvm/trunk 304080)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false) 39 !1 = !DIFile(filename: "a.cpp", directory: "/usr/local/google/home/blaikie/dev/scratch") 40 !2 = !{} 41 !3 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !4, producer: "clang version 5.0.0 (trunk 304054) (llvm/trunk 304080)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false) 42 !4 = !DIFile(filename: "b.cpp", directory: "/usr/local/google/home/blaikie/dev/scratch") 43 !5 = !{!"clang version 5.0.0 (trunk 304054) (llvm/trunk 304080)"} 44 !6 = !{i32 2, !"Dwarf Version", i32 4} 45 !7 = !{i32 2, !"Debug Info Version", i32 3} 46 !8 = !{i32 1, !"wchar_size", i32 4} 47 !9 = distinct !DISubprogram(name: "main", scope: !4, file: !4, line: 2, type: !10, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: false, unit: !3, retainedNodes: !2) 48 !10 = !DISubroutineType(types: !11) 49 !11 = !{!12} 50 !12 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 51 !13 = !DILocation(line: 2, column: 73, scope: !14, inlinedAt: !17) 52 !14 = distinct !DISubprogram(name: "f2", linkageName: "_Z2f2v", scope: !1, file: !1, line: 2, type: !15, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2) 53 !15 = !DISubroutineType(types: !16) 54 !16 = !{null} 55 !17 = distinct !DILocation(line: 3, column: 3, scope: !9) 56 !18 = !DILocation(line: 4, column: 1, scope: !9) 57
