1 ; Round-trip test for the following program: 2 ; ``` 3 ; enum E0 { A0 = -2147483648, B0 = 2147483647 } x0; 4 ; enum E1 : signed int { A1 = -2147483648, B1 = 2147483647 } x1; 5 ; enum E2 : signed long long { A2 = -9223372036854775807LL - 1, 6 ; B2 = 9223372036854775807LL } x2; 7 ; enum E3 : unsigned long long { A3 = 0x8000000000000000ULL } x3; 8 ; ``` 9 ; Test FixedEnum flag presence/absence, the underlying integer type and 10 ; enumerator values (signed and unsigned, and extreme cases) all survive through 11 ; the round-trip. 12 13 ; RUN: llvm-as %s -o - | llvm-dis | llvm-as | llvm-dis | FileCheck %s 14 15 @x0 = global i32 0, align 4, !dbg !0 16 @x1 = global i32 0, align 4, !dbg !24 17 @x2 = global i64 0, align 8, !dbg !26 18 @x3 = global i64 0, align 8, !dbg !28 19 20 !llvm.dbg.cu = !{!2} 21 !llvm.module.flags = !{!30, !31, !32} 22 !llvm.ident = !{!33} 23 24 !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) 25 !1 = distinct !DIGlobalVariable(name: "x0", scope: !2, file: !3, line: 1, type: !5, isLocal: false, isDefinition: true) 26 !2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "clang version 7.0.0 (/data/src/llvm/tools/clang 697b0cb4c2e712a28767c2f7fe50c90bae7255f5) (/data/src/llvm 5ba8dcca7470b5da405bc92b9681b1f36e5d6772)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !23) 27 !3 = !DIFile(filename: "e.cc", directory: "/work/build/clang-dev") 28 !4 = !{!5, !10, !14, !19} 29 30 31 !5 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E0", file: !3, line: 1, baseType: !6, size: 32, elements: !7, identifier: "_ZTS2E0") 32 ; CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, name: "E0"{{.*}}, baseType: ![[INT:[0-9]+]] 33 ; CHECK-NOT: FixedEnum 34 !6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 35 ; CHECK: ![[INT]] = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 36 !7 = !{!8, !9} 37 !8 = !DIEnumerator(name: "A0", value: -2147483648) 38 !9 = !DIEnumerator(name: "B0", value: 2147483647) 39 ; CHECK: !DIEnumerator(name: "A0", value: -2147483648) 40 ; CHECK: !DIEnumerator(name: "B0", value: 2147483647) 41 42 43 !10 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E1", file: !3, line: 3, baseType: !6, size: 32, flags: DIFlagFixedEnum, elements: !11, identifier: "_ZTS2E1") 44 ; CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, name: "E1"{{.*}}, baseType: ![[INT]] 45 ; CHECK-SAME: DIFlagFixedEnum 46 !11 = !{!12, !13} 47 !12 = !DIEnumerator(name: "A1", value: -2147483648) 48 !13 = !DIEnumerator(name: "B1", value: 2147483647) 49 ; CHECK: !DIEnumerator(name: "A1", value: -2147483648) 50 ; CHECK: !DIEnumerator(name: "B1", value: 2147483647) 51 52 53 !14 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E2", file: !3, line: 5, baseType: !15, size: 64, flags: DIFlagFixedEnum, elements: !16, identifier: "_ZTS2E2") 54 ; CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, name: "E2"{{.*}}, baseType: ![[LONG:[0-9]+]] 55 ; CHECK-SAME: DIFlagFixedEnum 56 !15 = !DIBasicType(name: "long long int", size: 64, encoding: DW_ATE_signed) 57 ; CHECK: ![[LONG]] = !DIBasicType(name: "long long int", size: 64, encoding: DW_ATE_signed) 58 !16 = !{!17, !18} 59 !17 = !DIEnumerator(name: "A2", value: -9223372036854775808) 60 !18 = !DIEnumerator(name: "B2", value: 9223372036854775807) 61 ; CHECK: !DIEnumerator(name: "A2", value: -9223372036854775808) 62 ; CHECK: !DIEnumerator(name: "B2", value: 9223372036854775807) 63 64 65 !19 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E3", file: !3, line: 7, baseType: !20, size: 64, flags: DIFlagFixedEnum, elements: !21, identifier: "_ZTS2E3") 66 ; CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, name: "E3"{{.*}}, baseType: ![[ULONG:[0-9]+]] 67 ; CHECK-SAME: DIFlagFixedEnum 68 !20 = !DIBasicType(name: "long long unsigned int", size: 64, encoding: DW_ATE_unsigned) 69 ; CHECK: ![[ULONG]] = !DIBasicType(name: "long long unsigned int", size: 64, encoding: DW_ATE_unsigned) 70 !21 = !{!22} 71 !22 = !DIEnumerator(name: "A3", value: 9223372036854775808, isUnsigned: true) 72 ; CHECK: !DIEnumerator(name: "A3", value: 9223372036854775808, isUnsigned: true) 73 74 75 !23 = !{!0, !24, !26, !28} 76 !24 = !DIGlobalVariableExpression(var: !25, expr: !DIExpression()) 77 !25 = distinct !DIGlobalVariable(name: "x1", scope: !2, file: !3, line: 3, type: !10, isLocal: false, isDefinition: true) 78 !26 = !DIGlobalVariableExpression(var: !27, expr: !DIExpression()) 79 !27 = distinct !DIGlobalVariable(name: "x2", scope: !2, file: !3, line: 5, type: !14, isLocal: false, isDefinition: true) 80 !28 = !DIGlobalVariableExpression(var: !29, expr: !DIExpression()) 81 !29 = distinct !DIGlobalVariable(name: "x3", scope: !2, file: !3, line: 7, type: !19, isLocal: false, isDefinition: true) 82 !30 = !{i32 2, !"Dwarf Version", i32 4} 83 !31 = !{i32 2, !"Debug Info Version", i32 3} 84 !32 = !{i32 1, !"wchar_size", i32 4} 85 !33 = !{!"clang version 7.0.0 (/data/src/llvm/tools/clang 697b0cb4c2e712a28767c2f7fe50c90bae7255f5) (/data/src/llvm 5ba8dcca7470b5da405bc92b9681b1f36e5d6772)"} 86
