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; * test that DW_AT_type is present for v3 and greater, and v2 when strict DWARF 6; is not enabled. 7 8; RUN: llc -debugger-tune=gdb -dwarf-version=4 -filetype=obj -o %t.o < %s 9; RUN: llvm-dwarfdump -debug-info %t.o | FileCheck %s --check-prefixes=CHECK,CHECK-DW4,CHECK-TYPE 10; RUN: llc -debugger-tune=gdb -dwarf-version=3 -filetype=obj -o %t.o < %s 11; RUN: llvm-dwarfdump -debug-info %t.o | FileCheck %s --check-prefixes=CHECK,CHECK-TYPE 12; RUN: llc -debugger-tune=gdb -dwarf-version=2 -filetype=obj -o %t.o < %s 13; RUN: llvm-dwarfdump -debug-info %t.o | FileCheck %s --check-prefixes=CHECK,CHECK-TYPE 14; RUN: llc -debugger-tune=gdb -dwarf-version=2 -strict-dwarf=true -filetype=obj -o %t.o < %s 15; RUN: llvm-dwarfdump -debug-info %t.o | FileCheck %s --check-prefixes=CHECK,CHECK-DW2-STRICT 16 17@x0 = global i8 0, align 1, !dbg !0 18@x1 = global i8 0, align 1, !dbg !46 19@x2 = global i16 0, align 2, !dbg !48 20@x3 = global i16 0, align 2, !dbg !50 21@x4 = global i32 0, align 4, !dbg !52 22@x5 = global i32 0, align 4, !dbg !54 23@x6 = global i64 0, align 8, !dbg !56 24@x7 = global i64 0, align 8, !dbg !58 25@x8 = global i32 0, align 4, !dbg !60 26 27!llvm.dbg.cu = !{!2} 28!llvm.module.flags = !{!62} 29 30!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) 31!1 = distinct !DIGlobalVariable(name: "x0", scope: !2, file: !3, line: 5, type: !5, isLocal: false, isDefinition: true) 32!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) 33!3 = !DIFile(filename: "/data/src/llvm-dev/tools/clang/test/CodeGen/debug-info-enum.cpp", directory: "/work/build/clang-dev") 34!4 = !{!5, !10, !14, !19, !23, !28, !32, !37, !41} 35 36; Test enumeration with a fixed "signed char" underlying type. 37!5 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E0", file: !3, line: 2, baseType: !6, size: 8, flags: DIFlagEnumClass, elements: !7, identifier: "_ZTS2E0") 38!6 = !DIBasicType(name: "signed char", size: 8, encoding: DW_ATE_signed_char) 39!7 = !{!8, !9} 40!8 = !DIEnumerator(name: "A0", value: -128) 41!9 = !DIEnumerator(name: "B0", value: 127) 42; CHECK: DW_TAG_enumeration_type 43; CHECK-DW2-STRICT-NOT: DW_AT_type 44; CHECK-TYPE: DW_AT_type{{.*}}"signed char" 45; CHECK-DW4: DW_AT_enum_class (true) 46; CHECK: DW_AT_name ("E0") 47; CHECK: DW_TAG_enumerator 48; CHECK: DW_AT_name ("A0") 49; CHECK-NEXT: DW_AT_const_value (-128) 50; CHECK: DW_TAG_enumerator 51; CHECK: DW_AT_name ("B0") 52; CHECK-NEXT: DW_AT_const_value (127) 53 54; Test enumeration with a fixed "unsigned char" underlying type. 55!10 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E1", file: !3, line: 12, baseType: !11, size: 8, flags: DIFlagEnumClass, elements: !12, identifier: "_ZTS2E1") 56!11 = !DIBasicType(name: "unsigned char", size: 8, encoding: DW_ATE_unsigned_char) 57!12 = !{!13} 58!13 = !DIEnumerator(name: "A1", value: 255, isUnsigned: true) 59; CHECK: DW_TAG_enumeration_type 60; CHECK-DW2-STRICT-NOT: DW_AT_type 61; CHECK-TYPE: DW_AT_type{{.*}}"unsigned char" 62; CHECK-DW4: DW_AT_enum_class (true) 63; CHECK: DW_AT_name ("E1") 64; CHECK: DW_TAG_enumerator 65; CHECK: DW_AT_name ("A1") 66; CHECK-NEXT: DW_AT_const_value (255) 67 68; Test enumeration with a fixed "short" underlying type. 69!14 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E2", file: !3, line: 18, baseType: !15, size: 16, flags: DIFlagEnumClass, elements: !16, identifier: "_ZTS2E2") 70!15 = !DIBasicType(name: "short", size: 16, encoding: DW_ATE_signed) 71!16 = !{!17, !18} 72!17 = !DIEnumerator(name: "A2", value: -32768) 73!18 = !DIEnumerator(name: "B2", value: 32767) 74; CHECK: DW_TAG_enumeration_type 75; CHECK-DW2-STRICT-NOT: DW_AT_type 76; CHECK-TYPE: DW_AT_type{{.*}} "short" 77; CHECK-DW4: DW_AT_enum_class (true) 78; CHECK: DW_AT_name ("E2") 79; CHECK: DW_TAG_enumerator 80; CHECK: DW_AT_name ("A2") 81; CHECK-NEXT: DW_AT_const_value (-32768) 82; CHECK: DW_TAG_enumerator 83; CHECK: DW_AT_name ("B2") 84; CHECK-NEXT: DW_AT_const_value (32767) 85 86; Test enumeration with a fixed "unsigned short" underlying type. 87!19 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E3", file: !3, line: 28, baseType: !20, size: 16, flags: DIFlagEnumClass, elements: !21, identifier: "_ZTS2E3") 88!20 = !DIBasicType(name: "unsigned short", size: 16, encoding: DW_ATE_unsigned) 89!21 = !{!22} 90!22 = !DIEnumerator(name: "A3", value: 65535, isUnsigned: true) 91; CHECK: DW_TAG_enumeration_type 92; CHECK-DW2-STRICT-NOT: DW_AT_type 93; CHECK-TYPE DW_AT_type{{.*}}"unsigned short" 94; CHECK-DW4: DW_AT_enum_class (true) 95; CHECK: DW_AT_name ("E3") 96; CHECK: DW_TAG_enumerator 97; CHECK: DW_AT_name ("A3") 98; CHECK-NEXT: DW_AT_const_value (65535) 99 100; Test enumeration with a fixed "int" underlying type. 101!23 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E4", file: !3, line: 34, baseType: !24, size: 32, flags: DIFlagEnumClass, elements: !25, identifier: "_ZTS2E4") 102!24 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 103!25 = !{!26, !27} 104!26 = !DIEnumerator(name: "A4", value: -2147483648) 105!27 = !DIEnumerator(name: "B4", value: 2147483647) 106; CHECK: DW_TAG_enumeration_type 107; CHECK-DW2-STRICT-NOT: DW_AT_type 108; CHECK-TYPE: DW_AT_type{{.*}}"int" 109; CHECK-DW4: DW_AT_enum_class (true) 110; CHECK: DW_AT_name ("E4") 111; CHECK: DW_TAG_enumerator 112; CHECK: DW_AT_name ("A4") 113; CHECK-NEXT: DW_AT_const_value (-2147483648) 114; CHECK: DW_TAG_enumerator 115; CHECK: DW_AT_name ("B4") 116; CHECK-NEXT: DW_AT_const_value (2147483647) 117 118; Test enumeration with a fixed "unsigend int" underlying type. 119!28 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E5", file: !3, line: 41, baseType: !29, size: 32, flags: DIFlagEnumClass, elements: !30, identifier: "_ZTS2E5") 120!29 = !DIBasicType(name: "unsigned int", size: 32, encoding: DW_ATE_unsigned) 121!30 = !{!31} 122!31 = !DIEnumerator(name: "A5", value: 4294967295, isUnsigned: true) 123; CHECK: DW_TAG_enumeration_type 124; CHECK-DW2-STRICT-NOT: DW_AT_type 125; CHECK-TYPE: DW_AT_type{{.*}}"unsigned int" 126; CHECK-DW4: DW_AT_enum_class (true) 127; CHECK: DW_AT_name ("E5") 128; CHECK: DW_TAG_enumerator 129; CHECK: DW_AT_name ("A5") 130; CHECK-NEXT: DW_AT_const_value (4294967295) 131 132; Test enumeration with a fixed "long long" underlying type. 133!32 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E6", file: !3, line: 47, baseType: !33, size: 64, flags: DIFlagEnumClass, elements: !34, identifier: "_ZTS2E6") 134!33 = !DIBasicType(name: "long long int", size: 64, encoding: DW_ATE_signed) 135!34 = !{!35, !36} 136!35 = !DIEnumerator(name: "A6", value: -9223372036854775808) 137!36 = !DIEnumerator(name: "B6", value: 9223372036854775807) 138; CHECK: DW_TAG_enumeration_type 139; CHECK-DW2-STRICT-NOT: DW_AT_type 140; CHECK-TYPE: DW_AT_type{{.*}}"long long int" 141; CHECK-DW4: DW_AT_enum_class (true) 142; CHECK: DW_AT_name ("E6") 143; CHECK: DW_TAG_enumerator 144; CHECK: DW_AT_name ("A6") 145; CHECK-NEXT: DW_AT_const_value (-9223372036854775808) 146; CHECK: DW_TAG_enumerator 147; CHECK: DW_AT_name ("B6") 148; CHECK-NEXT: DW_AT_const_value (9223372036854775807) 149 150; Test enumeration with a fixed "unsigned long long" underlying type. 151!37 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E7", file: !3, line: 57, baseType: !38, size: 64, flags: DIFlagEnumClass, elements: !39, identifier: "_ZTS2E7") 152!38 = !DIBasicType(name: "long long unsigned int", size: 64, encoding: DW_ATE_unsigned) 153!39 = !{!40} 154!40 = !DIEnumerator(name: "A7", value: 18446744073709551615, isUnsigned: true) 155; CHECK: DW_TAG_enumeration_type 156; CHECK-DW2-STRICT-NOT: DW_AT_type 157; CHECK-TYPE: DW_AT_type{{.*}}"long long unsigned int" 158; CHECK-DW4: DW_AT_enum_class (true) 159; CHECK: DW_AT_name ("E7") 160; CHECK: DW_TAG_enumerator 161; CHECK: DW_AT_name ("A7") 162; CHECK-NEXT: DW_AT_const_value (18446744073709551615) 163 164; Test enumeration without a fixed underlying type. The underlying type should 165; still be present (for DWARF >= 3), but the DW_AT_enum_class attribute should 166; be absent. 167!41 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E8", file: !3, line: 63, baseType: !24, size: 32, elements: !42, identifier: "_ZTS2E8") 168!42 = !{!43, !44} 169!43 = !DIEnumerator(name: "A8", value: -128) 170!44 = !DIEnumerator(name: "B8", value: 127) 171; CHECK: DW_TAG_enumeration_type 172; CHECK-DW2-STRICT-NOT: DW_AT_type 173; CHECK-TYPE: DW_AT_type{{.*}}"int" 174; CHECK-NOT: DW_AT_enum_class 175; CHECK: DW_AT_name ("E8") 176 177; Test enumeration without a fixed underlying type, but with the DIFlagEnumClass 178; set. The DW_AT_enum_class attribute should be absent. This behaviour is 179; intented to keep compatibilty with existing DWARF consumers, which may imply 180; the type is present whenever DW_AT_enum_class is set. 181!63 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E9", file: !3, line: 63, size: 32, flags: DIFlagEnumClass, elements: !64, identifier: "_ZTS2E9") 182!64 = !{!65, !66} 183!65 = !DIEnumerator(name: "A9", value: -128) 184!66 = !DIEnumerator(name: "B9", value: 127) 185; CHECK: DW_TAG_enumeration_type 186; CHECK-NOT: DW_AT_type 187; CHECK-NOT: DW_AT_enum_class 188; CHECK: DW_AT_name ("E9") 189 190!45 = !{!0, !46, !48, !50, !52, !54, !56, !58, !60, !67} 191!46 = !DIGlobalVariableExpression(var: !47, expr: !DIExpression()) 192!47 = distinct !DIGlobalVariable(name: "x1", scope: !2, file: !3, line: 12, type: !10, isLocal: false, isDefinition: true) 193!48 = !DIGlobalVariableExpression(var: !49, expr: !DIExpression()) 194!49 = distinct !DIGlobalVariable(name: "x2", scope: !2, file: !3, line: 21, type: !14, isLocal: false, isDefinition: true) 195!50 = !DIGlobalVariableExpression(var: !51, expr: !DIExpression()) 196!51 = distinct !DIGlobalVariable(name: "x3", scope: !2, file: !3, line: 28, type: !19, isLocal: false, isDefinition: true) 197!52 = !DIGlobalVariableExpression(var: !53, expr: !DIExpression()) 198!53 = distinct !DIGlobalVariable(name: "x4", scope: !2, file: !3, line: 34, type: !23, isLocal: false, isDefinition: true) 199!54 = !DIGlobalVariableExpression(var: !55, expr: !DIExpression()) 200!55 = distinct !DIGlobalVariable(name: "x5", scope: !2, file: !3, line: 41, type: !28, isLocal: false, isDefinition: true) 201!56 = !DIGlobalVariableExpression(var: !57, expr: !DIExpression()) 202!57 = distinct !DIGlobalVariable(name: "x6", scope: !2, file: !3, line: 50, type: !32, isLocal: false, isDefinition: true) 203!58 = !DIGlobalVariableExpression(var: !59, expr: !DIExpression()) 204!59 = distinct !DIGlobalVariable(name: "x7", scope: !2, file: !3, line: 57, type: !37, isLocal: false, isDefinition: true) 205!60 = !DIGlobalVariableExpression(var: !61, expr: !DIExpression()) 206!61 = distinct !DIGlobalVariable(name: "x8", scope: !2, file: !3, line: 63, type: !41, isLocal: false, isDefinition: true) 207!67 = !DIGlobalVariableExpression(var: !68, expr: !DIExpression()) 208!68 = distinct !DIGlobalVariable(name: "x9", scope: !2, file: !3, line: 63, type: !63, isLocal: false, isDefinition: true) 209!62 = !{i32 2, !"Debug Info Version", i32 3} 210