1 ; Test that llvm-reduce can remove uninteresting DI metadata from an IR file.
3 ; RUN: llvm-reduce --abort-on-invalid-reduction --delta-passes=di-metadata --test=FileCheck --test-arg=--check-prefix=CHECK-INTERESTINGNESS --test-arg=%s --test-arg=--input-file %s -o %t
4 ; RUN: FileCheck <%t %s
8 define void @main() !dbg !5 {
12 !llvm.module.flags = !{!0}
15 !0 = !{i32 2, !"Debug Info Version", i32 3}
16 !1 = !DIFile(filename: "test.c", directory: "test")
18 ; CHECK: [[EMPTY:![0-9]+]] = !{}
19 !4 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "clang", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !9)
20 !5 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 498, type: !6, scopeLine: 0, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !4, retainedNodes: !2)
21 !6 = !DISubroutineType(types: !7)
22 ; CHECK: !DISubroutineType(types: [[EMPTY]])
24 !8 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "clang", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !9)
26 !10 = !DILocalVariable(name: "one", scope: !14, file: !1, line: 0, type: !15)
27 !13 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
28 !14 = distinct !DILexicalBlock(scope: !5, file: !1, line: 3)
29 !15 = !DICompositeType(tag: DW_TAG_structure_type, name: "test", file: !1, size: 64, align: 32, flags: DIFlagPublic, elements: !16)
31 ; CHECK: elements: [[EL:![0-9]+]])
32 ; CHECK: [[EL]] = !{!{{[0-9]+}}}
33 ; CHECK-INTERESTINGNESS: interesting
34 !17 = !DIDerivedType(tag: DW_TAG_member, name: "interesting", scope: !14, file: !1, baseType: !13, size: 32, align: 32, flags: DIFlagPublic)
35 !18 = !DIDerivedType(tag: DW_TAG_member, name: "uninteresting", scope: !14, file: !1, baseType: !13, size: 32, align: 32, offset: 32, flags: DIFlagPublic)