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141 lines
7.2 KiB
LLVM
141 lines
7.2 KiB
LLVM
; RUN: llc -filetype=obj -o - %s | llvm-dwarfdump --name resource - | FileCheck %s
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; CHECK: DW_TAG_formal_parameter
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; CHECK: DW_TAG_formal_parameter
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; CHECK-NEXT: DW_AT_location (DW_OP_reg1 W1)
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; CHECK-NEXT: DW_AT_abstract_origin {{.*}}"resource"
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;
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; Generated from:
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; typedef struct t *t_t;
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; extern unsigned int enable;
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; struct t {
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; struct q {
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; struct q *next;
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; unsigned long long resource;
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; } * s;
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; } * tt;
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; static unsigned long find(t_t t, unsigned long long resource) {
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; struct q *q;
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; q = t->s;
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; while (q) {
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; if (q->resource == resource)
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; return q;
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; q = q->next;
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; }
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; }
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; int g(t_t t, unsigned long long r) {
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; struct q *q;
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; q = find(t, r);
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; if (!q)
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; if (__builtin_expect(enable, 0)) { }
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; }
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source_filename = "test.i"
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target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
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target triple = "arm64-apple-ios5.0.0"
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%struct.t = type { %struct.q* }
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%struct.q = type { %struct.q*, i64 }
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@tt = local_unnamed_addr global %struct.t* null, align 8, !dbg !0
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; Function Attrs: noredzone nounwind readonly ssp
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define i32 @g(%struct.t* nocapture readonly %t, i64 %r) local_unnamed_addr #0 !dbg !20 {
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entry:
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tail call void @llvm.dbg.value(metadata %struct.t* %t, metadata !26, metadata !DIExpression()), !dbg !29
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tail call void @llvm.dbg.value(metadata i64 %r, metadata !27, metadata !DIExpression()), !dbg !30
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tail call void @llvm.dbg.value(metadata %struct.t* %t, metadata !31, metadata !DIExpression()), !dbg !39
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tail call void @llvm.dbg.value(metadata i64 %r, metadata !37, metadata !DIExpression()), !dbg !41
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%s.i5 = bitcast %struct.t* %t to %struct.q**
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tail call void @llvm.dbg.value(metadata %struct.q** %s.i5, metadata !38, metadata !DIExpression(DW_OP_deref)), !dbg !42
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%q.06.i = load %struct.q*, %struct.q** %s.i5, align 8
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tail call void @llvm.dbg.value(metadata %struct.q* %q.06.i, metadata !38, metadata !DIExpression()), !dbg !42
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%tobool7.i = icmp eq %struct.q* %q.06.i, null, !dbg !43
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br i1 %tobool7.i, label %find.exit, label %while.body.i.preheader, !dbg !43
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while.body.i.preheader: ; preds = %entry
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br label %while.body.i, !dbg !44
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while.body.i: ; preds = %while.body.i.preheader, %if.end.i
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%q.08.i = phi %struct.q* [ %q.0.i, %if.end.i ], [ %q.06.i, %while.body.i.preheader ]
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%resource1.i = getelementptr inbounds %struct.q, %struct.q* %q.08.i, i64 0, i32 1, !dbg !44
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%0 = load i64, i64* %resource1.i, align 8, !dbg !44
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%cmp.i = icmp eq i64 %0, %r, !dbg !47
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br i1 %cmp.i, label %find.exit, label %if.end.i, !dbg !48
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if.end.i: ; preds = %while.body.i
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%next.i6 = bitcast %struct.q* %q.08.i to %struct.q**
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tail call void @llvm.dbg.value(metadata %struct.q** %next.i6, metadata !38, metadata !DIExpression(DW_OP_deref)), !dbg !42
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%q.0.i = load %struct.q*, %struct.q** %next.i6, align 8
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tail call void @llvm.dbg.value(metadata %struct.q* %q.0.i, metadata !38, metadata !DIExpression()), !dbg !42
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%tobool.i = icmp eq %struct.q* %q.0.i, null, !dbg !43
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br i1 %tobool.i, label %find.exit, label %while.body.i, !dbg !43, !llvm.loop !49
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find.exit: ; preds = %while.body.i, %if.end.i, %entry
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ret i32 undef, !dbg !52
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}
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; Function Attrs: nounwind readnone speculatable
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declare void @llvm.dbg.value(metadata, metadata, metadata) #1
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attributes #0 = { noredzone nounwind readonly ssp }
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attributes #1 = { nounwind readnone speculatable }
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!llvm.dbg.cu = !{!2}
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!llvm.module.flags = !{!16, !17, !18}
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!llvm.ident = !{!19}
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!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!1 = distinct !DIGlobalVariable(name: "tt", scope: !2, file: !3, line: 8, type: !6, isLocal: false, isDefinition: true)
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!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)
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!3 = !DIFile(filename: "test.i", directory: "/")
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!4 = !{}
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!5 = !{!0}
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!6 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !7, size: 64)
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!7 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "t", file: !3, line: 3, size: 64, elements: !8)
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!8 = !{!9}
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!9 = !DIDerivedType(tag: DW_TAG_member, name: "s", scope: !7, file: !3, line: 7, baseType: !10, size: 64)
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!10 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !11, size: 64)
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!11 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "q", file: !3, line: 4, size: 128, elements: !12)
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!12 = !{!13, !14}
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!13 = !DIDerivedType(tag: DW_TAG_member, name: "next", scope: !11, file: !3, line: 5, baseType: !10, size: 64)
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!14 = !DIDerivedType(tag: DW_TAG_member, name: "resource", scope: !11, file: !3, line: 6, baseType: !15, size: 64, offset: 64)
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!15 = !DIBasicType(name: "long long unsigned int", size: 64, encoding: DW_ATE_unsigned)
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!16 = !{i32 2, !"Dwarf Version", i32 2}
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!17 = !{i32 2, !"Debug Info Version", i32 3}
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!18 = !{i32 1, !"wchar_size", i32 4}
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!19 = !{!"clang version 6.0.0 (trunk 317516) (llvm/trunk 317518)"}
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!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, variables: !25)
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!21 = !DISubroutineType(types: !22)
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!22 = !{!23, !24, !15}
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!23 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!24 = !DIDerivedType(tag: DW_TAG_typedef, name: "t_t", file: !3, line: 1, baseType: !6)
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!25 = !{!26, !27, !28}
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!26 = !DILocalVariable(name: "t", arg: 1, scope: !20, file: !3, line: 18, type: !24)
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!27 = !DILocalVariable(name: "r", arg: 2, scope: !20, file: !3, line: 18, type: !15)
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!28 = !DILocalVariable(name: "q", scope: !20, file: !3, line: 19, type: !10)
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!29 = !DILocation(line: 18, column: 11, scope: !20)
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!30 = !DILocation(line: 18, column: 33, scope: !20)
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!31 = !DILocalVariable(name: "t", arg: 1, scope: !32, file: !3, line: 9, type: !24)
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!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, variables: !36)
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!33 = !DISubroutineType(types: !34)
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!34 = !{!35, !24, !15}
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!35 = !DIBasicType(name: "long unsigned int", size: 64, encoding: DW_ATE_unsigned)
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!36 = !{!31, !37, !38}
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!37 = !DILocalVariable(name: "resource", arg: 2, scope: !32, file: !3, line: 9, type: !15)
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!38 = !DILocalVariable(name: "q", scope: !32, file: !3, line: 10, type: !10)
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!39 = !DILocation(line: 9, column: 31, scope: !32, inlinedAt: !40)
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!40 = distinct !DILocation(line: 20, column: 7, scope: !20)
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!41 = !DILocation(line: 9, column: 53, scope: !32, inlinedAt: !40)
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!42 = !DILocation(line: 10, column: 13, scope: !32, inlinedAt: !40)
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!43 = !DILocation(line: 12, column: 3, scope: !32, inlinedAt: !40)
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!44 = !DILocation(line: 13, column: 12, scope: !45, inlinedAt: !40)
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!45 = distinct !DILexicalBlock(scope: !46, file: !3, line: 13, column: 9)
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!46 = distinct !DILexicalBlock(scope: !32, file: !3, line: 12, column: 13)
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!47 = !DILocation(line: 13, column: 21, scope: !45, inlinedAt: !40)
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!48 = !DILocation(line: 13, column: 9, scope: !46, inlinedAt: !40)
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!49 = distinct !{!49, !50, !51}
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!50 = !DILocation(line: 12, column: 3, scope: !32)
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!51 = !DILocation(line: 16, column: 3, scope: !32)
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!52 = !DILocation(line: 24, column: 1, scope: !20)
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