1 ; RUN: llc -filetype=obj -o - %s | llvm-dwarfdump --name resource - | FileCheck %s 2 ; CHECK: DW_TAG_formal_parameter 3 ; CHECK: DW_TAG_formal_parameter 4 ; CHECK-NEXT: DW_AT_location (DW_OP_reg1 W1) 5 ; CHECK-NEXT: DW_AT_abstract_origin {{.*}}"resource" 6 ; 7 ; Generated from: 8 ; typedef struct t *t_t; 9 ; extern unsigned int enable; 10 ; struct t { 11 ; struct q { 12 ; struct q *next; 13 ; unsigned long long resource; 14 ; } * s; 15 ; } * tt; 16 ; static unsigned long find(t_t t, unsigned long long resource) { 17 ; struct q *q; 18 ; q = t->s; 19 ; while (q) { 20 ; if (q->resource == resource) 21 ; return q; 22 ; q = q->next; 23 ; } 24 ; } 25 ; int g(t_t t, unsigned long long r) { 26 ; struct q *q; 27 ; q = find(t, r); 28 ; if (!q) 29 ; if (__builtin_expect(enable, 0)) { } 30 ; } 31 32 33 source_filename = "test.i" 34 target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128" 35 target triple = "arm64-apple-ios5.0.0" 36 37 %struct.t = type { %struct.q* } 38 %struct.q = type { %struct.q*, i64 } 39 40 @tt = local_unnamed_addr global %struct.t* null, align 8, !dbg !0 41 42 ; Function Attrs: noredzone nounwind readonly ssp 43 define i32 @g(%struct.t* nocapture readonly %t, i64 %r) local_unnamed_addr #0 !dbg !20 { 44 entry: 45 tail call void @llvm.dbg.value(metadata %struct.t* %t, metadata !26, metadata !DIExpression()), !dbg !29 46 tail call void @llvm.dbg.value(metadata i64 %r, metadata !27, metadata !DIExpression()), !dbg !30 47 tail call void @llvm.dbg.value(metadata %struct.t* %t, metadata !31, metadata !DIExpression()), !dbg !39 48 tail call void @llvm.dbg.value(metadata i64 %r, metadata !37, metadata !DIExpression()), !dbg !41 49 %s.i5 = bitcast %struct.t* %t to %struct.q** 50 tail call void @llvm.dbg.value(metadata %struct.q** %s.i5, metadata !38, metadata !DIExpression(DW_OP_deref)), !dbg !42 51 %q.06.i = load %struct.q*, %struct.q** %s.i5, align 8 52 tail call void @llvm.dbg.value(metadata %struct.q* %q.06.i, metadata !38, metadata !DIExpression()), !dbg !42 53 %tobool7.i = icmp eq %struct.q* %q.06.i, null, !dbg !43 54 br i1 %tobool7.i, label %find.exit, label %while.body.i.preheader, !dbg !43 55 56 while.body.i.preheader: ; preds = %entry 57 br label %while.body.i, !dbg !44 58 59 while.body.i: ; preds = %while.body.i.preheader, %if.end.i 60 %q.08.i = phi %struct.q* [ %q.0.i, %if.end.i ], [ %q.06.i, %while.body.i.preheader ] 61 %resource1.i = getelementptr inbounds %struct.q, %struct.q* %q.08.i, i64 0, i32 1, !dbg !44 62 %0 = load i64, i64* %resource1.i, align 8, !dbg !44 63 %cmp.i = icmp eq i64 %0, %r, !dbg !47 64 br i1 %cmp.i, label %find.exit, label %if.end.i, !dbg !48 65 66 if.end.i: ; preds = %while.body.i 67 %next.i6 = bitcast %struct.q* %q.08.i to %struct.q** 68 tail call void @llvm.dbg.value(metadata %struct.q** %next.i6, metadata !38, metadata !DIExpression(DW_OP_deref)), !dbg !42 69 %q.0.i = load %struct.q*, %struct.q** %next.i6, align 8 70 tail call void @llvm.dbg.value(metadata %struct.q* %q.0.i, metadata !38, metadata !DIExpression()), !dbg !42 71 %tobool.i = icmp eq %struct.q* %q.0.i, null, !dbg !43 72 br i1 %tobool.i, label %find.exit, label %while.body.i, !dbg !43, !llvm.loop !49 73 74 find.exit: ; preds = %while.body.i, %if.end.i, %entry 75 ret i32 undef, !dbg !52 76 } 77 78 ; Function Attrs: nounwind readnone speculatable 79 declare void @llvm.dbg.value(metadata, metadata, metadata) #1 80 81 attributes #0 = { noredzone nounwind readonly ssp } 82 attributes #1 = { nounwind readnone speculatable } 83 84 !llvm.dbg.cu = !{!2} 85 !llvm.module.flags = !{!16, !17, !18} 86 !llvm.ident = !{!19} 87 88 !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) 89 !1 = distinct !DIGlobalVariable(name: "tt", scope: !2, file: !3, line: 8, type: !6, isLocal: false, isDefinition: true) 90 !2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 6.0.0 (trunk 317516) (llvm/trunk 317518)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5) 91 !3 = !DIFile(filename: "test.i", directory: "/") 92 !4 = !{} 93 !5 = !{!0} 94 !6 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !7, size: 64) 95 !7 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "t", file: !3, line: 3, size: 64, elements: !8) 96 !8 = !{!9} 97 !9 = !DIDerivedType(tag: DW_TAG_member, name: "s", scope: !7, file: !3, line: 7, baseType: !10, size: 64) 98 !10 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !11, size: 64) 99 !11 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "q", file: !3, line: 4, size: 128, elements: !12) 100 !12 = !{!13, !14} 101 !13 = !DIDerivedType(tag: DW_TAG_member, name: "next", scope: !11, file: !3, line: 5, baseType: !10, size: 64) 102 !14 = !DIDerivedType(tag: DW_TAG_member, name: "resource", scope: !11, file: !3, line: 6, baseType: !15, size: 64, offset: 64) 103 !15 = !DIBasicType(name: "long long unsigned int", size: 64, encoding: DW_ATE_unsigned) 104 !16 = !{i32 2, !"Dwarf Version", i32 2} 105 !17 = !{i32 2, !"Debug Info Version", i32 3} 106 !18 = !{i32 1, !"wchar_size", i32 4} 107 !19 = !{!"clang version 6.0.0 (trunk 317516) (llvm/trunk 317518)"} 108 !20 = distinct !DISubprogram(name: "g", scope: !3, file: !3, line: 18, type: !21, isLocal: false, isDefinition: true, scopeLine: 18, flags: DIFlagPrototyped, isOptimized: true, unit: !2, retainedNodes: !25) 109 !21 = !DISubroutineType(types: !22) 110 !22 = !{!23, !24, !15} 111 !23 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 112 !24 = !DIDerivedType(tag: DW_TAG_typedef, name: "t_t", file: !3, line: 1, baseType: !6) 113 !25 = !{!26, !27, !28} 114 !26 = !DILocalVariable(name: "t", arg: 1, scope: !20, file: !3, line: 18, type: !24) 115 !27 = !DILocalVariable(name: "r", arg: 2, scope: !20, file: !3, line: 18, type: !15) 116 !28 = !DILocalVariable(name: "q", scope: !20, file: !3, line: 19, type: !10) 117 !29 = !DILocation(line: 18, column: 11, scope: !20) 118 !30 = !DILocation(line: 18, column: 33, scope: !20) 119 !31 = !DILocalVariable(name: "t", arg: 1, scope: !32, file: !3, line: 9, type: !24) 120 !32 = distinct !DISubprogram(name: "find", scope: !3, file: !3, line: 9, type: !33, isLocal: true, isDefinition: true, scopeLine: 9, flags: DIFlagPrototyped, isOptimized: true, unit: !2, retainedNodes: !36) 121 !33 = !DISubroutineType(types: !34) 122 !34 = !{!35, !24, !15} 123 !35 = !DIBasicType(name: "long unsigned int", size: 64, encoding: DW_ATE_unsigned) 124 !36 = !{!31, !37, !38} 125 !37 = !DILocalVariable(name: "resource", arg: 2, scope: !32, file: !3, line: 9, type: !15) 126 !38 = !DILocalVariable(name: "q", scope: !32, file: !3, line: 10, type: !10) 127 !39 = !DILocation(line: 9, column: 31, scope: !32, inlinedAt: !40) 128 !40 = distinct !DILocation(line: 20, column: 7, scope: !20) 129 !41 = !DILocation(line: 9, column: 53, scope: !32, inlinedAt: !40) 130 !42 = !DILocation(line: 10, column: 13, scope: !32, inlinedAt: !40) 131 !43 = !DILocation(line: 12, column: 3, scope: !32, inlinedAt: !40) 132 !44 = !DILocation(line: 13, column: 12, scope: !45, inlinedAt: !40) 133 !45 = distinct !DILexicalBlock(scope: !46, file: !3, line: 13, column: 9) 134 !46 = distinct !DILexicalBlock(scope: !32, file: !3, line: 12, column: 13) 135 !47 = !DILocation(line: 13, column: 21, scope: !45, inlinedAt: !40) 136 !48 = !DILocation(line: 13, column: 9, scope: !46, inlinedAt: !40) 137 !49 = distinct !{!49, !50, !51} 138 !50 = !DILocation(line: 12, column: 3, scope: !32) 139 !51 = !DILocation(line: 16, column: 3, scope: !32) 140 !52 = !DILocation(line: 24, column: 1, scope: !20) 141
