1; RUN: llc -mtriple=x86_64-apple-darwin %s -o - -filetype=obj \ 2; RUN: | llvm-dwarfdump -debug-info - | FileCheck %s 3 4; Clang modules leave Skeleton CUs as breadcrumbs to point from the object files 5; to the pcm containing the module's debug info. 6 7; CHECK: Compile Unit: 8; CHECK: DW_TAG_compile_unit 9; CHECK: DW_TAG_imported_declaration 10; CHECK: Compile Unit: 11; CHECK: DW_TAG_compile_unit 12; CHECK: DW_AT_name {{.*}}Foo 13; CHECK: DW_AT_{{.*}}dwo_id {{.*}}04d2 14; CHECK: DW_AT_{{.*}}dwo_name {{.*}}"/Foo.pcm" 15source_filename = "modules.m" 16target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 17target triple = "x86_64-apple-macosx10.12.0" 18 19!llvm.dbg.cu = !{!0, !6} 20!llvm.module.flags = !{!15, !16} 21!llvm.linker.options = !{} 22 23!0 = distinct !DICompileUnit(language: DW_LANG_ObjC, file: !1, producer: "clang version 5.0.0 (trunk 308357) (llvm/trunk 308379)", emissionKind: FullDebug, imports: !3) 24!1 = !DIFile(filename: "modules.m", directory: "/") 25!3 = !{!4} 26!4 = !DIImportedEntity(tag: DW_TAG_imported_declaration, scope: !0, entity: !5, line: 122) 27!5 = !DIModule(scope: null, name: "Foo", includePath: ".", isysroot: "/") 28!6 = distinct !DICompileUnit(language: DW_LANG_ObjC, file: !7, producer: "clang version 5.0.0 (trunk 308357) (llvm/trunk 308379)", isOptimized: true, runtimeVersion: 0, splitDebugFilename: "/Foo.pcm", emissionKind: FullDebug, dwoId: 1234) 29!7 = !DIFile(filename: "Foo", directory: ".") 30!15 = !{i32 2, !"Dwarf Version", i32 4} 31!16 = !{i32 2, !"Debug Info Version", i32 3} 32