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96 lines
4.7 KiB
96 lines
4.7 KiB
; RUN: %llc_dwarf -accel-tables=Dwarf -filetype=obj -o %t < %s
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; RUN: llvm-dwarfdump -debug-names %t | FileCheck %s
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; RUN: llvm-dwarfdump -debug-names -verify %t | FileCheck --check-prefix=VERIFY %s
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; Generated from the following C code using
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; clang -S -emit-llvm -g col.c
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;
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; These names were carefully chosen to cause hash collisions. Each type-variable
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; pair will hash to the same value. The also happen to demonstrate a flaw in the
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; DWARF v5 hash function: A copy constructor and an assignment operator for a
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; class will always hash to the same value.
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;
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; typedef void *_ZN4lldb7SBBlockaSERKS0_;
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; _ZN4lldb7SBBlockaSERKS0_ _ZN4lldb7SBBlockC1ERKS0_;
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; typedef void *_ZN4lldb7SBErroraSERKS0_;
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; _ZN4lldb7SBErroraSERKS0_ _ZN4lldb7SBErrorC1ERKS0_;
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; typedef void *_ZN4lldb7SBValueaSERKS0_;
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; _ZN4lldb7SBValueaSERKS0_ _ZN4lldb7SBValueC1ERKS0_;
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; typedef void *_ZL11numCommutes;
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; _ZL11numCommutes _ZL11NumCommutes;
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; typedef void *_ZL9NumRemats;
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; _ZL9NumRemats _ZL9NumReMats;
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; Check that we have the right amount of hashes and names.
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; CHECK: Bucket count: 5
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; CHECK: Name count: 10
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; Check that all the names are present in the output
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; CHECK: Bucket 0
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; CHECK: Hash: 0xF8CF70D
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; CHECK-NEXT:String: 0x{{[0-9a-f]*}} "_ZN4lldb7SBBlockaSERKS0_"
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; CHECK: Hash: 0xF8CF70D
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; CHECK-NEXT:String: 0x{{[0-9a-f]*}} "_ZN4lldb7SBBlockC1ERKS0_"
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; CHECK: Hash: 0x135A482C
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; CHECK-NEXT:String: 0x{{[0-9a-f]*}} "_ZN4lldb7SBErroraSERKS0_"
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; CHECK: Hash: 0x135A482C
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; CHECK-NEXT:String: 0x{{[0-9a-f]*}} "_ZN4lldb7SBErrorC1ERKS0_"
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; CHECK-NOT: String:
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; CHECK: Bucket 1
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; CHECK-NEXT: EMPTY
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; CHECK: Bucket 2
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; CHECK: Hash: 0x2841B989
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; CHECK-NEXT:String: 0x{{[0-9a-f]*}} "_ZL11numCommutes"
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; CHECK: Hash: 0x2841B989
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; CHECK-NEXT:String: 0x{{[0-9a-f]*}} "_ZL11NumCommutes"
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; CHECK: Hash: 0x3E190F5F
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; CHECK-NEXT:String: 0x{{[0-9a-f]*}} "_ZL9NumRemats"
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; CHECK: Hash: 0x3E190F5F
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; CHECK-NEXT:String: 0x{{[0-9a-f]*}} "_ZL9NumReMats"
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; CHECK-NOT: String:
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; CHECK: Bucket 3
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; CHECK: Hash: 0x2642207F
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; CHECK-NEXT:String: 0x{{[0-9a-f]*}} "_ZN4lldb7SBValueaSERKS0_"
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; CHECK: Hash: 0x2642207F
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; CHECK-NEXT:String: 0x{{[0-9a-f]*}} "_ZN4lldb7SBValueC1ERKS0_"
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; CHECK-NOT: String:
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; CHECK: Bucket 4
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; CHECK-NEXT: EMPTY
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; VERIFY: No errors.
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@_ZN4lldb7SBBlockC1ERKS0_ = common dso_local global i8* null, align 8, !dbg !0
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@_ZN4lldb7SBErrorC1ERKS0_ = common dso_local global i8* null, align 8, !dbg !6
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@_ZN4lldb7SBValueC1ERKS0_ = common dso_local global i8* null, align 8, !dbg !10
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@_ZL11NumCommutes = common dso_local global i8* null, align 8, !dbg !13
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@_ZL9NumReMats = common dso_local global i8* null, align 8, !dbg !16
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!llvm.dbg.cu = !{!2}
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!llvm.module.flags = !{!20, !21, !22}
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!llvm.ident = !{!23}
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!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!1 = distinct !DIGlobalVariable(name: "_ZN4lldb7SBBlockC1ERKS0_", scope: !2, file: !3, line: 1, type: !19, isLocal: false, isDefinition: true)
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!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 7.0.0 (trunk 325496) (llvm/trunk 325732)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)
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!3 = !DIFile(filename: "/tmp/col.c", directory: "/tmp")
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!4 = !{}
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!5 = !{!0, !6, !10, !13, !16}
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!6 = !DIGlobalVariableExpression(var: !7, expr: !DIExpression())
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!7 = distinct !DIGlobalVariable(name: "_ZN4lldb7SBErrorC1ERKS0_", scope: !2, file: !3, line: 2, type: !8, isLocal: false, isDefinition: true)
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!8 = !DIDerivedType(tag: DW_TAG_typedef, name: "_ZN4lldb7SBErroraSERKS0_", file: !3, line: 2, baseType: !9)
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!9 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64)
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!10 = !DIGlobalVariableExpression(var: !11, expr: !DIExpression())
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!11 = distinct !DIGlobalVariable(name: "_ZN4lldb7SBValueC1ERKS0_", scope: !2, file: !3, line: 3, type: !12, isLocal: false, isDefinition: true)
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!12 = !DIDerivedType(tag: DW_TAG_typedef, name: "_ZN4lldb7SBValueaSERKS0_", file: !3, line: 3, baseType: !9)
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!13 = !DIGlobalVariableExpression(var: !14, expr: !DIExpression())
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!14 = distinct !DIGlobalVariable(name: "_ZL11NumCommutes", scope: !2, file: !3, line: 4, type: !15, isLocal: false, isDefinition: true)
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!15 = !DIDerivedType(tag: DW_TAG_typedef, name: "_ZL11numCommutes", file: !3, line: 4, baseType: !9)
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!16 = !DIGlobalVariableExpression(var: !17, expr: !DIExpression())
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!17 = distinct !DIGlobalVariable(name: "_ZL9NumReMats", scope: !2, file: !3, line: 5, type: !18, isLocal: false, isDefinition: true)
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!18 = !DIDerivedType(tag: DW_TAG_typedef, name: "_ZL9NumRemats", file: !3, line: 5, baseType: !9)
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!19 = !DIDerivedType(tag: DW_TAG_typedef, name: "_ZN4lldb7SBBlockaSERKS0_", file: !3, line: 1, baseType: !9)
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!20 = !{i32 2, !"Dwarf Version", i32 4}
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!21 = !{i32 2, !"Debug Info Version", i32 3}
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!22 = !{i32 1, !"wchar_size", i32 4}
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!23 = !{!"clang version 7.0.0 (trunk 325496) (llvm/trunk 325732)"}
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