1; XFAIL: target={{.*}}-aix{{.*}} 2; RUN: %llc_dwarf -accel-tables=Dwarf -filetype=obj -o %t < %s 3; RUN: llvm-dwarfdump -debug-names %t | FileCheck %s 4; RUN: llvm-dwarfdump -debug-names -verify %t | FileCheck --check-prefix=VERIFY %s 5 6; Generated from the following C code using 7; clang -S -emit-llvm -g col.c 8; 9; These names were carefully chosen to cause hash collisions. Each type-variable 10; pair will hash to the same value. The also happen to demonstrate a flaw in the 11; DWARF v5 hash function: A copy constructor and an assignment operator for a 12; class will always hash to the same value. 13; 14; typedef ptr_ZN4lldb7SBBlockaSERKS0_; 15; _ZN4lldb7SBBlockaSERKS0_ _ZN4lldb7SBBlockC1ERKS0_; 16; typedef ptr_ZN4lldb7SBErroraSERKS0_; 17; _ZN4lldb7SBErroraSERKS0_ _ZN4lldb7SBErrorC1ERKS0_; 18; typedef ptr_ZN4lldb7SBValueaSERKS0_; 19; _ZN4lldb7SBValueaSERKS0_ _ZN4lldb7SBValueC1ERKS0_; 20; typedef ptr_ZL11numCommutes; 21; _ZL11numCommutes _ZL11NumCommutes; 22; typedef ptr_ZL9NumRemats; 23; _ZL9NumRemats _ZL9NumReMats; 24 25; Check that we have the right amount of hashes and names. 26; CHECK: Bucket count: 5 27; CHECK: Name count: 10 28 29; Check that all the names are present in the output 30; CHECK: Bucket 0 31; CHECK: Hash: 0xF8CF70D 32; CHECK-NEXT:String: 0x{{[0-9a-f]*}} "_ZN4lldb7SBBlockaSERKS0_" 33; CHECK: Hash: 0xF8CF70D 34; CHECK-NEXT:String: 0x{{[0-9a-f]*}} "_ZN4lldb7SBBlockC1ERKS0_" 35; CHECK: Hash: 0x135A482C 36; CHECK-NEXT:String: 0x{{[0-9a-f]*}} "_ZN4lldb7SBErroraSERKS0_" 37; CHECK: Hash: 0x135A482C 38; CHECK-NEXT:String: 0x{{[0-9a-f]*}} "_ZN4lldb7SBErrorC1ERKS0_" 39; CHECK-NOT: String: 40; CHECK: Bucket 1 41; CHECK-NEXT: EMPTY 42; CHECK: Bucket 2 43; CHECK: Hash: 0x2841B989 44; CHECK-NEXT:String: 0x{{[0-9a-f]*}} "_ZL11numCommutes" 45; CHECK: Hash: 0x2841B989 46; CHECK-NEXT:String: 0x{{[0-9a-f]*}} "_ZL11NumCommutes" 47; CHECK: Hash: 0x3E190F5F 48; CHECK-NEXT:String: 0x{{[0-9a-f]*}} "_ZL9NumRemats" 49; CHECK: Hash: 0x3E190F5F 50; CHECK-NEXT:String: 0x{{[0-9a-f]*}} "_ZL9NumReMats" 51; CHECK-NOT: String: 52; CHECK: Bucket 3 53; CHECK: Hash: 0x2642207F 54; CHECK-NEXT:String: 0x{{[0-9a-f]*}} "_ZN4lldb7SBValueaSERKS0_" 55; CHECK: Hash: 0x2642207F 56; CHECK-NEXT:String: 0x{{[0-9a-f]*}} "_ZN4lldb7SBValueC1ERKS0_" 57; CHECK-NOT: String: 58; CHECK: Bucket 4 59; CHECK-NEXT: EMPTY 60 61; VERIFY: No errors. 62 63@_ZN4lldb7SBBlockC1ERKS0_ = common dso_local global ptr null, align 8, !dbg !0 64@_ZN4lldb7SBErrorC1ERKS0_ = common dso_local global ptr null, align 8, !dbg !6 65@_ZN4lldb7SBValueC1ERKS0_ = common dso_local global ptr null, align 8, !dbg !10 66@_ZL11NumCommutes = common dso_local global ptr null, align 8, !dbg !13 67@_ZL9NumReMats = common dso_local global ptr null, align 8, !dbg !16 68 69!llvm.dbg.cu = !{!2} 70!llvm.module.flags = !{!20, !21, !22} 71!llvm.ident = !{!23} 72 73!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) 74!1 = distinct !DIGlobalVariable(name: "_ZN4lldb7SBBlockC1ERKS0_", scope: !2, file: !3, line: 1, type: !19, isLocal: false, isDefinition: true) 75!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) 76!3 = !DIFile(filename: "/tmp/col.c", directory: "/tmp") 77!4 = !{} 78!5 = !{!0, !6, !10, !13, !16} 79!6 = !DIGlobalVariableExpression(var: !7, expr: !DIExpression()) 80!7 = distinct !DIGlobalVariable(name: "_ZN4lldb7SBErrorC1ERKS0_", scope: !2, file: !3, line: 2, type: !8, isLocal: false, isDefinition: true) 81!8 = !DIDerivedType(tag: DW_TAG_typedef, name: "_ZN4lldb7SBErroraSERKS0_", file: !3, line: 2, baseType: !9) 82!9 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64) 83!10 = !DIGlobalVariableExpression(var: !11, expr: !DIExpression()) 84!11 = distinct !DIGlobalVariable(name: "_ZN4lldb7SBValueC1ERKS0_", scope: !2, file: !3, line: 3, type: !12, isLocal: false, isDefinition: true) 85!12 = !DIDerivedType(tag: DW_TAG_typedef, name: "_ZN4lldb7SBValueaSERKS0_", file: !3, line: 3, baseType: !9) 86!13 = !DIGlobalVariableExpression(var: !14, expr: !DIExpression()) 87!14 = distinct !DIGlobalVariable(name: "_ZL11NumCommutes", scope: !2, file: !3, line: 4, type: !15, isLocal: false, isDefinition: true) 88!15 = !DIDerivedType(tag: DW_TAG_typedef, name: "_ZL11numCommutes", file: !3, line: 4, baseType: !9) 89!16 = !DIGlobalVariableExpression(var: !17, expr: !DIExpression()) 90!17 = distinct !DIGlobalVariable(name: "_ZL9NumReMats", scope: !2, file: !3, line: 5, type: !18, isLocal: false, isDefinition: true) 91!18 = !DIDerivedType(tag: DW_TAG_typedef, name: "_ZL9NumRemats", file: !3, line: 5, baseType: !9) 92!19 = !DIDerivedType(tag: DW_TAG_typedef, name: "_ZN4lldb7SBBlockaSERKS0_", file: !3, line: 1, baseType: !9) 93!20 = !{i32 2, !"Dwarf Version", i32 4} 94!21 = !{i32 2, !"Debug Info Version", i32 3} 95!22 = !{i32 1, !"wchar_size", i32 4} 96!23 = !{!"clang version 7.0.0 (trunk 325496) (llvm/trunk 325732)"} 97