xref: /llvm-project/llvm/test/DebugInfo/Generic/debuginfofinder-imported-global-variable.ll (revision 0a0f62e8d63621f415066d635a8e948146bc7b56)
1; RUN: opt -passes='print<module-debuginfo>' -disable-output 2>&1 < %s \
2; RUN:   | FileCheck %s
3
4; This is to track DebugInfoFinder's ability to find the debug info metadata,
5; in particular, properly visit different kinds of DIImportedEntities.
6
7; Derived from the following C++ snippet
8;
9; namespace s {
10;   int i;
11; }
12;
13; using s::i;
14;
15; compiled with `clang -O1 -g3 -emit-llvm -S`
16
17; CHECK: Compile unit: DW_LANG_C_plus_plus from /somewhere/source.cpp
18; CHECK: Global variable: i from /somewhere/source.cpp:2 ('_ZN1s1iE')
19; CHECK: Type: int DW_ATE_signed
20
21@_ZN1s1iE = local_unnamed_addr global i32 0, align 4, !dbg !0
22
23!llvm.dbg.cu = !{!5}
24!llvm.module.flags = !{!10, !11, !12, !13}
25!llvm.ident = !{!14}
26
27!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
28!1 = distinct !DIGlobalVariable(name: "i", linkageName: "_ZN1s1iE", scope: !2, file: !3, line: 2, type: !4, isLocal: false, isDefinition: true)
29!2 = !DINamespace(name: "s", scope: null)
30!3 = !DIFile(filename: "source.cpp", directory: "/somewhere")
31!4 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
32!5 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "clang version 7.0.99", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !6, globals: !7, imports: !8)
33!6 = !{}
34!7 = !{!0}
35!8 = !{!9}
36!9 = !DIImportedEntity(tag: DW_TAG_imported_declaration, scope: !5, entity: !1, file: !3, line: 5)
37!10 = !{i32 2, !"Dwarf Version", i32 4}
38!11 = !{i32 2, !"Debug Info Version", i32 3}
39!12 = !{i32 1, !"wchar_size", i32 4}
40!13 = !{i32 7, !"PIC Level", i32 2}
41!14 = !{!"clang version 7.0.99"}
42