1; REQUIRES: object-emission 2 3; RUN: %llc_dwarf -O0 -filetype=obj < %s > %t 4; RUN: llvm-dwarfdump %t | FileCheck %s 5 6; IR generated from the following code compiled with clang -g: 7; enum e1 { I, J = 0xffffffffU, K = 0xf000000000000000ULL } a; 8; enum e2 { X }; 9; void func() { 10; int b = X; 11; } 12 13; These values were previously being truncated to -1 and 0 respectively. 14 15; CHECK: debug_info contents 16; CHECK: DW_TAG_enumeration_type 17; CHECK-NEXT: DW_AT_name{{.*}} = "e1" 18; CHECK-NOT: NULL 19; CHECK: DW_TAG_enumerator 20; CHECK-NOT: NULL 21; CHECK: DW_TAG_enumerator 22; CHECK-NEXT: DW_AT_name{{.*}} = "J" 23; CHECK-NEXT: DW_AT_const_value [DW_FORM_sdata] (4294967295) 24; CHECK-NOT: NULL 25; CHECK: DW_TAG_enumerator 26; CHECK-NEXT: DW_AT_name{{.*}} = "K" 27; CHECK-NEXT: DW_AT_const_value [DW_FORM_sdata] (-1152921504606846976) 28 29; Check that we retain enums that aren't referenced by any variables, etc 30; CHECK: DW_TAG_enumeration_type 31; CHECK-NEXT: DW_AT_name{{.*}} = "e2" 32; CHECK-NOT: NULL 33; CHECK: DW_TAG_enumerator 34; CHECK-NEXT: DW_AT_name{{.*}} = "X" 35 36source_filename = "test/DebugInfo/Generic/enum.ll" 37 38@a = global i64 0, align 8, !dbg !0 39 40; Function Attrs: nounwind uwtable 41define void @_Z4funcv() #0 !dbg !17 { 42entry: 43 %b = alloca i32, align 4 44 call void @llvm.dbg.declare(metadata i32* %b, metadata !20, metadata !22), !dbg !23 45 store i32 0, i32* %b, align 4, !dbg !23 46 ret void, !dbg !24 47} 48 49; Function Attrs: nounwind readnone 50declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 51 52attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" } 53attributes #1 = { nounwind readnone } 54 55!llvm.dbg.cu = !{!8} 56!llvm.module.flags = !{!15, !16} 57 58!0 = !DIGlobalVariableExpression(var: !1) 59!1 = !DIGlobalVariable(name: "a", scope: null, file: !2, line: 1, type: !3, isLocal: false, isDefinition: true) 60!2 = !DIFile(filename: "enum.cpp", directory: "/tmp") 61!3 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "e1", file: !2, line: 1, size: 64, align: 64, elements: !4) 62!4 = !{!5, !6, !7} 63!5 = !DIEnumerator(name: "I", value: 0) 64!6 = !DIEnumerator(name: "J", value: 4294967295) ; [ DW_TAG_enumerator ] [I :: 0] 65!7 = !DIEnumerator(name: "K", value: -1152921504606846976) ; [ DW_TAG_enumerator ] [J :: 4294967295] 66!8 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !2, producer: "clang version 3.4 ", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !9, retainedTypes: !13, globals: !14, imports: !13) ; [ DW_TAG_enumerator ] [K :: 17293822569102704640] 67!9 = !{!3, !10} 68!10 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "e2", file: !2, line: 2, size: 32, align: 32, elements: !11) 69!11 = !{!12} 70!12 = !DIEnumerator(name: "X", value: 0) ; [ DW_TAG_enumerator ] [X :: 0] 71!13 = !{} 72!14 = !{!0} 73!15 = !{i32 2, !"Dwarf Version", i32 3} 74!16 = !{i32 1, !"Debug Info Version", i32 3} 75!17 = distinct !DISubprogram(name: "func", linkageName: "_Z4funcv", scope: !2, file: !2, line: 3, type: !18, isLocal: false, isDefinition: true, scopeLine: 3, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !8, variables: !13) 76!18 = !DISubroutineType(types: !19) 77!19 = !{null} 78!20 = !DILocalVariable(name: "b", scope: !17, file: !2, line: 4, type: !21) 79!21 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 80!22 = !DIExpression() 81!23 = !DILocation(line: 4, scope: !17) 82!24 = !DILocation(line: 5, scope: !17) 83 84