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"
8 ; typedef struct t *t_t;
9 ; extern unsigned int enable;
13 ; unsigned long long resource;
16 ; static unsigned long find(t_t t, unsigned long long resource) {
20 ; if (q->resource == resource)
25 ; int g(t_t t, unsigned long long r) {
29 ; if (__builtin_expect(enable, 0)) { }
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"
37 %struct.t = type { %struct.q* }
38 %struct.q = type { %struct.q*, i64 }
40 @tt = local_unnamed_addr global %struct.t* null, align 8, !dbg !0
42 ; Function Attrs: noredzone nounwind readonly ssp
43 define i32 @g(%struct.t* nocapture readonly %t, i64 %r) local_unnamed_addr #0 !dbg !20 {
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
56 while.body.i.preheader: ; preds = %entry
57 br label %while.body.i, !dbg !44
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
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
74 find.exit: ; preds = %while.body.i, %if.end.i, %entry
75 ret i32 undef, !dbg !52
78 ; Function Attrs: nounwind readnone speculatable
79 declare void @llvm.dbg.value(metadata, metadata, metadata) #1
81 attributes #0 = { noredzone nounwind readonly ssp }
82 attributes #1 = { nounwind readnone speculatable }
85 !llvm.module.flags = !{!16, !17, !18}
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: "/")
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)
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)
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)