1; Test enumeration representation in DWARF debug info: 2; * test value representation for each possible underlying integer type 3; * test the integer type is as expected 4; * test the DW_AT_enum_class attribute is present (resp. absent) as expected. 5 6; RUN: llc -debugger-tune=gdb -dwarf-version=4 -filetype=obj -o %t.o < %s 7; RUN: llvm-dwarfdump -debug-info %t.o | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-DW4 8; RUN: llc -debugger-tune=gdb -dwarf-version=2 -filetype=obj -o %t.o < %s 9; RUN: llvm-dwarfdump -debug-info %t.o | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-DW2 10 11@x0 = global i8 0, align 1, !dbg !0 12@x1 = global i8 0, align 1, !dbg !46 13@x2 = global i16 0, align 2, !dbg !48 14@x3 = global i16 0, align 2, !dbg !50 15@x4 = global i32 0, align 4, !dbg !52 16@x5 = global i32 0, align 4, !dbg !54 17@x6 = global i64 0, align 8, !dbg !56 18@x7 = global i64 0, align 8, !dbg !58 19@x8 = global i32 0, align 4, !dbg !60 20 21!llvm.dbg.cu = !{!2} 22!llvm.module.flags = !{!62} 23 24!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) 25!1 = distinct !DIGlobalVariable(name: "x0", scope: !2, file: !3, line: 5, 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 0c08d9830124a75675348b4eeb47256f3da6693d) (/data/src/llvm cf29510f52faa77b98510cd53276f564d1f4f41f)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !45) 27!3 = !DIFile(filename: "/data/src/llvm-dev/tools/clang/test/CodeGen/debug-info-enum.cpp", directory: "/work/build/clang-dev") 28!4 = !{!5, !10, !14, !19, !23, !28, !32, !37, !41} 29 30; Test enumeration with a fixed "signed char" underlying type. 31!5 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E0", file: !3, line: 2, baseType: !6, size: 8, flags: DIFlagEnumClass, elements: !7, identifier: "_ZTS2E0") 32!6 = !DIBasicType(name: "signed char", size: 8, encoding: DW_ATE_signed_char) 33!7 = !{!8, !9} 34!8 = !DIEnumerator(name: "A0", value: -128) 35!9 = !DIEnumerator(name: "B0", value: 127) 36; CHECK: DW_TAG_enumeration_type 37; CHECK-DW2-NOT: DW_AT_type 38; CHECK-DW4: DW_AT_type{{.*}}"signed char" 39; CHECK-DW4: DW_AT_enum_class (true) 40; CHECK: DW_AT_name ("E0") 41; CHECK: DW_TAG_enumerator 42; CHECK: DW_AT_name ("A0") 43; CHECK-NEXT: DW_AT_const_value (-128) 44; CHECK: DW_TAG_enumerator 45; CHECK: DW_AT_name ("B0") 46; CHECK-NEXT: DW_AT_const_value (127) 47 48; Test enumeration with a fixed "unsigned char" underlying type. 49!10 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E1", file: !3, line: 12, baseType: !11, size: 8, flags: DIFlagEnumClass, elements: !12, identifier: "_ZTS2E1") 50!11 = !DIBasicType(name: "unsigned char", size: 8, encoding: DW_ATE_unsigned_char) 51!12 = !{!13} 52!13 = !DIEnumerator(name: "A1", value: 255, isUnsigned: true) 53; CHECK: DW_TAG_enumeration_type 54; CHECK-DW2-NOT: DW_AT_type 55; CHECK-DW4: DW_AT_type{{.*}}"unsigned char" 56; CHECK-DW4: DW_AT_enum_class (true) 57; CHECK: DW_AT_name ("E1") 58; CHECK: DW_TAG_enumerator 59; CHECK: DW_AT_name ("A1") 60; CHECK-NEXT: DW_AT_const_value (255) 61 62; Test enumeration with a fixed "short" underlying type. 63!14 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E2", file: !3, line: 18, baseType: !15, size: 16, flags: DIFlagEnumClass, elements: !16, identifier: "_ZTS2E2") 64!15 = !DIBasicType(name: "short", size: 16, encoding: DW_ATE_signed) 65!16 = !{!17, !18} 66!17 = !DIEnumerator(name: "A2", value: -32768) 67!18 = !DIEnumerator(name: "B2", value: 32767) 68; CHECK: DW_TAG_enumeration_type 69; CHECK-DW2-NOT: DW_AT_type 70; CHECK-DW4: DW_AT_type{{.*}} "short" 71; CHECK-DW4: DW_AT_enum_class (true) 72; CHECK: DW_AT_name ("E2") 73; CHECK: DW_TAG_enumerator 74; CHECK: DW_AT_name ("A2") 75; CHECK-NEXT: DW_AT_const_value (-32768) 76; CHECK: DW_TAG_enumerator 77; CHECK: DW_AT_name ("B2") 78; CHECK-NEXT: DW_AT_const_value (32767) 79 80; Test enumeration with a fixed "unsigned short" underlying type. 81!19 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E3", file: !3, line: 28, baseType: !20, size: 16, flags: DIFlagEnumClass, elements: !21, identifier: "_ZTS2E3") 82!20 = !DIBasicType(name: "unsigned short", size: 16, encoding: DW_ATE_unsigned) 83!21 = !{!22} 84!22 = !DIEnumerator(name: "A3", value: 65535, isUnsigned: true) 85; CHECK: DW_TAG_enumeration_type 86; CHECK-DW2-NOT: DW_AT_type 87; CHECK-DW4: DW_AT_type{{.*}}"unsigned short" 88; CHECK-DW4: DW_AT_enum_class (true) 89; CHECK: DW_AT_name ("E3") 90; CHECK: DW_TAG_enumerator 91; CHECK: DW_AT_name ("A3") 92; CHECK-NEXT: DW_AT_const_value (65535) 93 94; Test enumeration with a fixed "int" underlying type. 95!23 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E4", file: !3, line: 34, baseType: !24, size: 32, flags: DIFlagEnumClass, elements: !25, identifier: "_ZTS2E4") 96!24 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 97!25 = !{!26, !27} 98!26 = !DIEnumerator(name: "A4", value: -2147483648) 99!27 = !DIEnumerator(name: "B4", value: 2147483647) 100; CHECK: DW_TAG_enumeration_type 101; CHECK-DW2-NOT: DW_AT_type 102; CHECK-DW4: DW_AT_type{{.*}}"int" 103; CHECK-DW4: DW_AT_enum_class (true) 104; CHECK: DW_AT_name ("E4") 105; CHECK: DW_TAG_enumerator 106; CHECK: DW_AT_name ("A4") 107; CHECK-NEXT: DW_AT_const_value (-2147483648) 108; CHECK: DW_TAG_enumerator 109; CHECK: DW_AT_name ("B4") 110; CHECK-NEXT: DW_AT_const_value (2147483647) 111 112; Test enumeration with a fixed "unsigend int" underlying type. 113!28 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E5", file: !3, line: 41, baseType: !29, size: 32, flags: DIFlagEnumClass, elements: !30, identifier: "_ZTS2E5") 114!29 = !DIBasicType(name: "unsigned int", size: 32, encoding: DW_ATE_unsigned) 115!30 = !{!31} 116!31 = !DIEnumerator(name: "A5", value: 4294967295, isUnsigned: true) 117; CHECK: DW_TAG_enumeration_type 118; CHECK-DW2-NOT: DW_AT_type 119; CHECK-DW4: DW_AT_type{{.*}}"unsigned int" 120; CHECK-DW4: DW_AT_enum_class (true) 121; CHECK: DW_AT_name ("E5") 122; CHECK: DW_TAG_enumerator 123; CHECK: DW_AT_name ("A5") 124; CHECK-NEXT: DW_AT_const_value (4294967295) 125 126; Test enumeration with a fixed "long long" underlying type. 127!32 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E6", file: !3, line: 47, baseType: !33, size: 64, flags: DIFlagEnumClass, elements: !34, identifier: "_ZTS2E6") 128!33 = !DIBasicType(name: "long long int", size: 64, encoding: DW_ATE_signed) 129!34 = !{!35, !36} 130!35 = !DIEnumerator(name: "A6", value: -9223372036854775808) 131!36 = !DIEnumerator(name: "B6", value: 9223372036854775807) 132; CHECK: DW_TAG_enumeration_type 133; CHECK-DW2-NOT: DW_AT_type 134; CHECK-DW4: DW_AT_type{{.*}}"long long int" 135; CHECK-DW4: DW_AT_enum_class (true) 136; CHECK: DW_AT_name ("E6") 137; CHECK: DW_TAG_enumerator 138; CHECK: DW_AT_name ("A6") 139; CHECK-NEXT: DW_AT_const_value (-9223372036854775808) 140; CHECK: DW_TAG_enumerator 141; CHECK: DW_AT_name ("B6") 142; CHECK-NEXT: DW_AT_const_value (9223372036854775807) 143 144; Test enumeration with a fixed "unsigned long long" underlying type. 145!37 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E7", file: !3, line: 57, baseType: !38, size: 64, flags: DIFlagEnumClass, elements: !39, identifier: "_ZTS2E7") 146!38 = !DIBasicType(name: "long long unsigned int", size: 64, encoding: DW_ATE_unsigned) 147!39 = !{!40} 148!40 = !DIEnumerator(name: "A7", value: 18446744073709551615, isUnsigned: true) 149; CHECK: DW_TAG_enumeration_type 150; CHECK-DW2-NOT: DW_AT_type 151; CHECK-DW4: DW_AT_type{{.*}}"long long unsigned int" 152; CHECK-DW4: DW_AT_enum_class (true) 153; CHECK: DW_AT_name ("E7") 154; CHECK: DW_TAG_enumerator 155; CHECK: DW_AT_name ("A7") 156; CHECK-NEXT: DW_AT_const_value (18446744073709551615) 157 158; Test enumeration without a fixed underlying type. The underlying type should 159; still be present (for DWARF >= 3), but the DW_AT_enum_class attribute should 160; be absent. 161!41 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E8", file: !3, line: 63, baseType: !24, size: 32, elements: !42, identifier: "_ZTS2E8") 162!42 = !{!43, !44} 163!43 = !DIEnumerator(name: "A8", value: -128) 164!44 = !DIEnumerator(name: "B8", value: 127) 165; CHECK: DW_TAG_enumeration_type 166; CHECK-DW2-NOT: DW_AT_type 167; CHECK-DW4: DW_AT_type{{.*}}"int" 168; CHECK-NOT: DW_AT_enum_class 169; CHECK: DW_AT_name ("E8") 170 171; Test enumeration without a fixed underlying type, but with the DIFlagEnumClass 172; set. The DW_AT_enum_class attribute should be absent. This behaviour is 173; intented to keep compatibilty with existing DWARF consumers, which may imply 174; the type is present whenever DW_AT_enum_class is set. 175!63 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E9", file: !3, line: 63, size: 32, flags: DIFlagEnumClass, elements: !64, identifier: "_ZTS2E9") 176!64 = !{!65, !66} 177!65 = !DIEnumerator(name: "A9", value: -128) 178!66 = !DIEnumerator(name: "B9", value: 127) 179; CHECK: DW_TAG_enumeration_type 180; CHECK-NOT: DW_AT_type 181; CHECK-NOT: DW_AT_enum_class 182; CHECK: DW_AT_name ("E9") 183 184!45 = !{!0, !46, !48, !50, !52, !54, !56, !58, !60, !67} 185!46 = !DIGlobalVariableExpression(var: !47, expr: !DIExpression()) 186!47 = distinct !DIGlobalVariable(name: "x1", scope: !2, file: !3, line: 12, type: !10, isLocal: false, isDefinition: true) 187!48 = !DIGlobalVariableExpression(var: !49, expr: !DIExpression()) 188!49 = distinct !DIGlobalVariable(name: "x2", scope: !2, file: !3, line: 21, type: !14, isLocal: false, isDefinition: true) 189!50 = !DIGlobalVariableExpression(var: !51, expr: !DIExpression()) 190!51 = distinct !DIGlobalVariable(name: "x3", scope: !2, file: !3, line: 28, type: !19, isLocal: false, isDefinition: true) 191!52 = !DIGlobalVariableExpression(var: !53, expr: !DIExpression()) 192!53 = distinct !DIGlobalVariable(name: "x4", scope: !2, file: !3, line: 34, type: !23, isLocal: false, isDefinition: true) 193!54 = !DIGlobalVariableExpression(var: !55, expr: !DIExpression()) 194!55 = distinct !DIGlobalVariable(name: "x5", scope: !2, file: !3, line: 41, type: !28, isLocal: false, isDefinition: true) 195!56 = !DIGlobalVariableExpression(var: !57, expr: !DIExpression()) 196!57 = distinct !DIGlobalVariable(name: "x6", scope: !2, file: !3, line: 50, type: !32, isLocal: false, isDefinition: true) 197!58 = !DIGlobalVariableExpression(var: !59, expr: !DIExpression()) 198!59 = distinct !DIGlobalVariable(name: "x7", scope: !2, file: !3, line: 57, type: !37, isLocal: false, isDefinition: true) 199!60 = !DIGlobalVariableExpression(var: !61, expr: !DIExpression()) 200!61 = distinct !DIGlobalVariable(name: "x8", scope: !2, file: !3, line: 63, type: !41, isLocal: false, isDefinition: true) 201!67 = !DIGlobalVariableExpression(var: !68, expr: !DIExpression()) 202!68 = distinct !DIGlobalVariable(name: "x9", scope: !2, file: !3, line: 63, type: !63, isLocal: false, isDefinition: true) 203!62 = !{i32 2, !"Debug Info Version", i32 3} 204