1 ; RUN: llc -filetype=obj -o - %s | llvm-dwarfdump -debug-loc - | FileCheck %s 2 3 ; Note that it would be even better to avoid emitting the empty piece. 4 ; CHECK: {{.*}}: DW_OP_piece 0x8{{$}} 5 6 source_filename = "bugpoint-reduced-simplified.ll" 7 target triple = "i386-apple-ios7.0.0" 8 9 %class.K = type { %class.N, %struct.F, i32 } 10 %class.N = type { %struct.B } 11 %struct.B = type { i8 } 12 %struct.F = type { i8 } 13 %struct.ConditionPlatformHelper = type { i8 } 14 %"struct.J<K::L, false, int>::Node" = type { %"class.K::L" } 15 %"class.K::L" = type { %class.__thread_id } 16 %class.__thread_id = type { i32 } 17 %"struct.K::M" = type { %class.I, %class.H } 18 %class.I = type { i32 } 19 %class.H = type { i32 } 20 21 ; Function Attrs: nounwind 22 define void @_Z34swift_getGenericMetadata_argumentsv() #0 !dbg !5 { 23 entry: 24 %ref.tmp = alloca %class.K, align 8 25 %0 = getelementptr inbounds %class.K, %class.K* %ref.tmp, i32 0, i32 0, i32 0, i32 0 26 %call = tail call i64 @_Z8getCacheP23ConditionPlatformHelper(%struct.ConditionPlatformHelper* undef) 27 %1 = bitcast %class.K* %ref.tmp to i64* 28 %LastSearch.i.i = getelementptr inbounds %class.K, %class.K* %ref.tmp, i32 0, i32 0, i32 0 29 %call.i.i = call %"struct.J<K::L, false, int>::Node"* @_ZN1BIPN1JIN1K1LELb0EiE4NodeEE4loadEv(%struct.B* nonnull %LastSearch.i.i) 30 %tobool.i.i = icmp eq %"struct.J<K::L, false, int>::Node"* %call.i.i, null 31 br i1 %tobool.i.i, label %_ZN1NIN1K1LELi0EE11getOrInsertIiEE1AIPS1_ET_.exit.i, label %if.then.i.i 32 33 if.then.i.i: 34 %2 = lshr i64 %call, 32 35 %3 = trunc i64 %2 to i32 36 %Payload.i.i = getelementptr inbounds %"struct.J<K::L, false, int>::Node", %"struct.J<K::L, false, int>::Node"* %call.i.i, i32 0, i32 0 37 br label %_ZN1NIN1K1LELi0EE11getOrInsertIiEE1AIPS1_ET_.exit.i 38 39 _ZN1NIN1K1LELi0EE11getOrInsertIiEE1AIPS1_ET_.exit.i: ; preds = %if.then.i.i, %entry 40 %retval.sroa.0.0.i.i = phi %"class.K::L"* [ %Payload.i.i, %if.then.i.i ], [ undef, %entry ] 41 %call4.i = call %"struct.K::M"* @_ZN1FIN1K1MEE3getEv(%struct.F* undef) 42 call void @llvm.dbg.value(metadata %"struct.K::M"* %call4.i, metadata !7, metadata !11), !dbg !12 43 call void @llvm.dbg.value(metadata %"struct.K::M"* %call4.i, metadata !7, metadata !18), !dbg !12 44 %Handle2.i.i.i.i.i = getelementptr inbounds %"struct.K::M", %"struct.K::M"* %call4.i, i32 0, i32 0, i32 0 45 %Handle.i.i.i.i.i = getelementptr inbounds %"struct.K::M", %"struct.K::M"* %call4.i, i32 0, i32 1, i32 0 46 %4 = getelementptr inbounds %"class.K::L", %"class.K::L"* %retval.sroa.0.0.i.i, i32 0, i32 0, i32 0 47 br label %while.body.i.i.i.i 48 49 while.body.i.i.i.i: 50 %5 = load i32, i32* %4, align 4 51 %call.i.i.i.i.i.i = call i32 @_Z6get_idv(), !dbg !12 52 %call.i.i.i.i.i.i.i = call zeroext i1 @_Z24__libcpp_thread_id_equalii(i32 %5, i32 %call.i.i.i.i.i.i) 53 %6 = load i32, i32* %Handle2.i.i.i.i.i, align 4 54 call void @_ZN23ConditionPlatformHelper4waitERii(i32* nonnull dereferenceable(4) %Handle.i.i.i.i.i, i32 %6) 55 br label %while.body.i.i.i.i 56 } 57 58 declare i64 @_Z8getCacheP23ConditionPlatformHelper(%struct.ConditionPlatformHelper*) local_unnamed_addr 59 60 declare %"struct.K::M"* @_ZN1FIN1K1MEE3getEv(%struct.F*) local_unnamed_addr 61 62 declare %"struct.J<K::L, false, int>::Node"* @_ZN1BIPN1JIN1K1LELb0EiE4NodeEE4loadEv(%struct.B*) local_unnamed_addr 63 64 declare i32 @_Z6get_idv() local_unnamed_addr 65 66 declare zeroext i1 @_Z24__libcpp_thread_id_equalii(i32, i32) local_unnamed_addr 67 68 declare void @_ZN23ConditionPlatformHelper4waitERii(i32* dereferenceable(4), i32) local_unnamed_addr 69 70 ; Function Attrs: nounwind readnone 71 declare void @llvm.dbg.value(metadata, metadata, metadata) #1 72 73 attributes #0 = { nounwind "no-frame-pointer-elim-non-leaf" } 74 attributes #1 = { nounwind readnone } 75 76 !llvm.dbg.cu = !{!0} 77 !llvm.module.flags = !{!3, !4} 78 79 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2) 80 !1 = !DIFile(filename: "test.ii", directory: "/") 81 !2 = !{} 82 !3 = !{i32 2, !"Dwarf Version", i32 2} 83 !4 = !{i32 2, !"Debug Info Version", i32 3} 84 !5 = distinct !DISubprogram(name: "swift_getGenericMetadata_arguments", linkageName: "_Z34swift_getGenericMetadata_argumentsv", scope: !0, file: !1, line: 95, type: !6, isLocal: false, isDefinition: true, scopeLine: 95, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !2) 85 !6 = !DISubroutineType(types: !2) 86 !7 = !DILocalVariable(name: "criticalSection", arg: 2, scope: !8, file: !1, line: 23, type: !10) 87 !8 = distinct !DISubprogram(name: "<(lambda at test.ii:28:14)>", scope: !0, file: !1, line: 23, type: !6, isLocal: false, isDefinition: true, scopeLine: 23, flags: DIFlagPrototyped, isOptimized: true, unit: !0, templateParams: !2, declaration: !9, retainedNodes: !2) 88 !9 = !DISubprogram(name: "<(lambda at test.ii:28:14)>", scope: !0, file: !1, line: 23, type: !6, isLocal: false, isDefinition: false, scopeLine: 23, flags: DIFlagPublic | DIFlagPrototyped, isOptimized: true, templateParams: !2) 89 !10 = distinct !DICompositeType(tag: DW_TAG_class_type, scope: !0, file: !1, line: 28, size: 96, elements: !2) 90 !11 = !DIExpression(DW_OP_stack_value, DW_OP_LLVM_fragment, 0, 32) 91 !12 = !DILocation(line: 23, column: 33, scope: !8, inlinedAt: !13) 92 !13 = distinct !DILocation(line: 28, column: 5, scope: !14, inlinedAt: !16) 93 !14 = distinct !DISubprogram(name: "<(lambda at test.ii:87:58)>", scope: !0, file: !1, line: 27, type: !6, isLocal: false, isDefinition: true, scopeLine: 27, flags: DIFlagPrototyped, isOptimized: true, unit: !0, templateParams: !2, declaration: !15, retainedNodes: !2) 94 !15 = !DISubprogram(name: "<(lambda at test.ii:87:58)>", scope: !0, file: !1, line: 27, type: !6, isLocal: false, isDefinition: false, scopeLine: 27, flags: DIFlagPublic | DIFlagPrototyped, isOptimized: true, templateParams: !2) 95 !16 = distinct !DILocation(line: 99, column: 21, scope: !17) 96 !17 = !DILexicalBlockFile(scope: !5, file: !1, discriminator: 2) 97 !18 = !DIExpression(DW_OP_plus_uconst, 4, DW_OP_stack_value, DW_OP_LLVM_fragment, 64, 32) 98
