1 ; This test checks that strip-dead-debug-info pass doesn't delete debug compile
2 ; units if they are used by @llvm.dbg.* intrinsics
4 ; RUN: opt -passes='strip-dead-debug-info,verify' %s -S | FileCheck %s
6 ; CHECK: !llvm.dbg.cu = !{!{{[0-9]+}}, !{{[0-9]+}}}
7 ; CHECK-COUNT-2: !DICompileUnit
9 declare void @llvm.dbg.value(metadata, metadata, metadata)
13 call void @llvm.dbg.value(metadata ptr %a, metadata !7, metadata !DIExpression()), !dbg !9
17 !llvm.dbg.cu = !{!0, !1}
18 !llvm.module.flags = !{!10}
21 ; We have two different compile units to able to check different paths of
22 ; finding compile units (intrinsic argument and attached location to instruction)
23 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !11)
24 !1 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !11)
26 !2 = distinct !DISubprogram(name: "func", unit: !0)
27 !3 = distinct !DICompositeType(tag: DW_TAG_class_type, scope: !2)
28 !4 = !DIDerivedType(tag: DW_TAG_member, scope: !3, baseType: !5)
29 !5 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !6)
30 !6 = !DIBasicType(tag: DW_TAG_base_type)
31 !7 = !DILocalVariable(name: "a", type: !5, scope: !8)
32 !8 = distinct !DISubprogram(name: "func", unit: !1)
33 !9 = !DILocation(scope: !8)
35 !10 = !{i32 2, !"Debug Info Version", i32 3}
37 !11 = !DIFile(filename: "a", directory: "")