| ; RUN: llc -split-dwarf-file=foo.dwo %s -filetype=obj -o - | llvm-dwarfdump -debug-info - | FileCheck %s |
| |
| ; Created from: |
| ; a.cpp: |
| ; void f1(); |
| ; inline __attribute__((always_inline)) __attribute__((used)) void f2() { f1(); } |
| ; b.cpp: |
| ; void f2(); |
| ; void f3() { |
| ; f2(); |
| ; } |
| ; $ clang++ -fno-split-dwarf-inlining {a,b}.cpp -emit-llvm -S -g |
| ; $ llvm-link {a,b}.ll -S -o ab.ll |
| ; Then strip out the @llvm.used global, so no out of line definition of 'f2' |
| ; will be emitted. This emulates something more like the available_externally |
| ; import performed by ThinLTO. |
| |
| ; CHECK: .debug_info contents: |
| ; CHECK: Compile Unit |
| ; CHECK-NOT: Compile Unit |
| ; CHECK: .debug_info.dwo contents: |
| |
| target triple = "x86_64-pc-linux" |
| |
| declare void @_Z2f1v() |
| |
| ; Function Attrs: noinline norecurse uwtable |
| define i32 @main() !dbg !9 { |
| entry: |
| call void @_Z2f1v(), !dbg !13 |
| ret i32 0, !dbg !18 |
| } |
| |
| !llvm.dbg.cu = !{!0, !3} |
| !llvm.ident = !{!5, !5} |
| !llvm.module.flags = !{!6, !7, !8} |
| |
| !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) |
| !1 = !DIFile(filename: "a.cpp", directory: "/usr/local/google/home/blaikie/dev/scratch") |
| !2 = !{} |
| !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) |
| !4 = !DIFile(filename: "b.cpp", directory: "/usr/local/google/home/blaikie/dev/scratch") |
| !5 = !{!"clang version 5.0.0 (trunk 304054) (llvm/trunk 304080)"} |
| !6 = !{i32 2, !"Dwarf Version", i32 4} |
| !7 = !{i32 2, !"Debug Info Version", i32 3} |
| !8 = !{i32 1, !"wchar_size", i32 4} |
| !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) |
| !10 = !DISubroutineType(types: !11) |
| !11 = !{!12} |
| !12 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| !13 = !DILocation(line: 2, column: 73, scope: !14, inlinedAt: !17) |
| !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) |
| !15 = !DISubroutineType(types: !16) |
| !16 = !{null} |
| !17 = distinct !DILocation(line: 3, column: 3, scope: !9) |
| !18 = !DILocation(line: 4, column: 1, scope: !9) |