; Test enumeration representation in DWARF debug info: ; * test value representation for each possible underlying integer type ; * test the integer type is as expected ; * test the DW_AT_enum_class attribute is present (resp. absent) as expected. ; RUN: llc -debugger-tune=gdb -dwarf-version=4 -filetype=obj -o %t.o < %s ; RUN: llvm-dwarfdump -debug-info %t.o | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-DW4 ; RUN: llc -debugger-tune=gdb -dwarf-version=2 -filetype=obj -o %t.o < %s ; RUN: llvm-dwarfdump -debug-info %t.o | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-DW2 @x0 = global i8 0, align 1, !dbg !0 @x1 = global i8 0, align 1, !dbg !46 @x2 = global i16 0, align 2, !dbg !48 @x3 = global i16 0, align 2, !dbg !50 @x4 = global i32 0, align 4, !dbg !52 @x5 = global i32 0, align 4, !dbg !54 @x6 = global i64 0, align 8, !dbg !56 @x7 = global i64 0, align 8, !dbg !58 @x8 = global i32 0, align 4, !dbg !60 !llvm.dbg.cu = !{!2} !llvm.module.flags = !{!62} !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) !1 = distinct !DIGlobalVariable(name: "x0", scope: !2, file: !3, line: 5, type: !5, isLocal: false, isDefinition: true) !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) !3 = !DIFile(filename: "/data/src/llvm-dev/tools/clang/test/CodeGen/debug-info-enum.cpp", directory: "/work/build/clang-dev") !4 = !{!5, !10, !14, !19, !23, !28, !32, !37, !41} ; Test enumeration with a fixed "signed char" underlying type. !5 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E0", file: !3, line: 2, baseType: !6, size: 8, flags: DIFlagFixedEnum, elements: !7, identifier: "_ZTS2E0") !6 = !DIBasicType(name: "signed char", size: 8, encoding: DW_ATE_signed_char) !7 = !{!8, !9} !8 = !DIEnumerator(name: "A0", value: -128) !9 = !DIEnumerator(name: "B0", value: 127) ; CHECK: DW_TAG_enumeration_type ; CHECK-DW2-NOT: DW_AT_type ; CHECK-DW4: DW_AT_type{{.*}}"signed char" ; CHECK-DW4: DW_AT_enum_class (true) ; CHECK: DW_AT_name ("E0") ; CHECK: DW_TAG_enumerator ; CHECK: DW_AT_name ("A0") ; CHECK-NEXT: DW_AT_const_value (-128) ; CHECK: DW_TAG_enumerator ; CHECK: DW_AT_name ("B0") ; CHECK-NEXT: DW_AT_const_value (127) ; Test enumeration with a fixed "unsigned char" underlying type. !10 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E1", file: !3, line: 12, baseType: !11, size: 8, flags: DIFlagFixedEnum, elements: !12, identifier: "_ZTS2E1") !11 = !DIBasicType(name: "unsigned char", size: 8, encoding: DW_ATE_unsigned_char) !12 = !{!13} !13 = !DIEnumerator(name: "A1", value: 255, isUnsigned: true) ; CHECK: DW_TAG_enumeration_type ; CHECK-DW2-NOT: DW_AT_type ; CHECK-DW4: DW_AT_type{{.*}}"unsigned char" ; CHECK-DW4: DW_AT_enum_class (true) ; CHECK: DW_AT_name ("E1") ; CHECK: DW_TAG_enumerator ; CHECK: DW_AT_name ("A1") ; CHECK-NEXT: DW_AT_const_value (255) ; Test enumeration with a fixed "short" underlying type. !14 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E2", file: !3, line: 18, baseType: !15, size: 16, flags: DIFlagFixedEnum, elements: !16, identifier: "_ZTS2E2") !15 = !DIBasicType(name: "short", size: 16, encoding: DW_ATE_signed) !16 = !{!17, !18} !17 = !DIEnumerator(name: "A2", value: -32768) !18 = !DIEnumerator(name: "B2", value: 32767) ; CHECK: DW_TAG_enumeration_type ; CHECK-DW2-NOT: DW_AT_type ; CHECK-DW4: DW_AT_type{{.*}} "short" ; CHECK-DW4: DW_AT_enum_class (true) ; CHECK: DW_AT_name ("E2") ; CHECK: DW_TAG_enumerator ; CHECK: DW_AT_name ("A2") ; CHECK-NEXT: DW_AT_const_value (-32768) ; CHECK: DW_TAG_enumerator ; CHECK: DW_AT_name ("B2") ; CHECK-NEXT: DW_AT_const_value (32767) ; Test enumeration with a fixed "unsigned short" underlying type. !19 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E3", file: !3, line: 28, baseType: !20, size: 16, flags: DIFlagFixedEnum, elements: !21, identifier: "_ZTS2E3") !20 = !DIBasicType(name: "unsigned short", size: 16, encoding: DW_ATE_unsigned) !21 = !{!22} !22 = !DIEnumerator(name: "A3", value: 65535, isUnsigned: true) ; CHECK: DW_TAG_enumeration_type ; CHECK-DW2-NOT: DW_AT_type ; CHECK-DW4: DW_AT_type{{.*}}"unsigned short" ; CHECK-DW4: DW_AT_enum_class (true) ; CHECK: DW_AT_name ("E3") ; CHECK: DW_TAG_enumerator ; CHECK: DW_AT_name ("A3") ; CHECK-NEXT: DW_AT_const_value (65535) ; Test enumeration with a fixed "int" underlying type. !23 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E4", file: !3, line: 34, baseType: !24, size: 32, flags: DIFlagFixedEnum, elements: !25, identifier: "_ZTS2E4") !24 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) !25 = !{!26, !27} !26 = !DIEnumerator(name: "A4", value: -2147483648) !27 = !DIEnumerator(name: "B4", value: 2147483647) ; CHECK: DW_TAG_enumeration_type ; CHECK-DW2-NOT: DW_AT_type ; CHECK-DW4: DW_AT_type{{.*}}"int" ; CHECK-DW4: DW_AT_enum_class (true) ; CHECK: DW_AT_name ("E4") ; CHECK: DW_TAG_enumerator ; CHECK: DW_AT_name ("A4") ; CHECK-NEXT: DW_AT_const_value (-2147483648) ; CHECK: DW_TAG_enumerator ; CHECK: DW_AT_name ("B4") ; CHECK-NEXT: DW_AT_const_value (2147483647) ; Test enumeration with a fixed "unsigend int" underlying type. !28 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E5", file: !3, line: 41, baseType: !29, size: 32, flags: DIFlagFixedEnum, elements: !30, identifier: "_ZTS2E5") !29 = !DIBasicType(name: "unsigned int", size: 32, encoding: DW_ATE_unsigned) !30 = !{!31} !31 = !DIEnumerator(name: "A5", value: 4294967295, isUnsigned: true) ; CHECK: DW_TAG_enumeration_type ; CHECK-DW2-NOT: DW_AT_type ; CHECK-DW4: DW_AT_type{{.*}}"unsigned int" ; CHECK-DW4: DW_AT_enum_class (true) ; CHECK: DW_AT_name ("E5") ; CHECK: DW_TAG_enumerator ; CHECK: DW_AT_name ("A5") ; CHECK-NEXT: DW_AT_const_value (4294967295) ; Test enumeration with a fixed "long long" underlying type. !32 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E6", file: !3, line: 47, baseType: !33, size: 64, flags: DIFlagFixedEnum, elements: !34, identifier: "_ZTS2E6") !33 = !DIBasicType(name: "long long int", size: 64, encoding: DW_ATE_signed) !34 = !{!35, !36} !35 = !DIEnumerator(name: "A6", value: -9223372036854775808) !36 = !DIEnumerator(name: "B6", value: 9223372036854775807) ; CHECK: DW_TAG_enumeration_type ; CHECK-DW2-NOT: DW_AT_type ; CHECK-DW4: DW_AT_type{{.*}}"long long int" ; CHECK-DW4: DW_AT_enum_class (true) ; CHECK: DW_AT_name ("E6") ; CHECK: DW_TAG_enumerator ; CHECK: DW_AT_name ("A6") ; CHECK-NEXT: DW_AT_const_value (-9223372036854775808) ; CHECK: DW_TAG_enumerator ; CHECK: DW_AT_name ("B6") ; CHECK-NEXT: DW_AT_const_value (9223372036854775807) ; Test enumeration with a fixed "unsigned long long" underlying type. !37 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E7", file: !3, line: 57, baseType: !38, size: 64, flags: DIFlagFixedEnum, elements: !39, identifier: "_ZTS2E7") !38 = !DIBasicType(name: "long long unsigned int", size: 64, encoding: DW_ATE_unsigned) !39 = !{!40} !40 = !DIEnumerator(name: "A7", value: 18446744073709551615, isUnsigned: true) ; CHECK: DW_TAG_enumeration_type ; CHECK-DW2-NOT: DW_AT_type ; CHECK-DW4: DW_AT_type{{.*}}"long long unsigned int" ; CHECK-DW4: DW_AT_enum_class (true) ; CHECK: DW_AT_name ("E7") ; CHECK: DW_TAG_enumerator ; CHECK: DW_AT_name ("A7") ; CHECK-NEXT: DW_AT_const_value (18446744073709551615) ; Test enumeration without a fixed underlying type. The underlying type should ; still be present (for DWARF >= 3), but the DW_AT_enum_class attribute should ; be absent. !41 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E8", file: !3, line: 63, baseType: !24, size: 32, elements: !42, identifier: "_ZTS2E8") !42 = !{!43, !44} !43 = !DIEnumerator(name: "A8", value: -128) !44 = !DIEnumerator(name: "B8", value: 127) ; CHECK: DW_TAG_enumeration_type ; CHECK-DW2-NOT: DW_AT_type ; CHECK-DW4: DW_AT_type{{.*}}"int" ; CHECK-NOT: DW_AT_enum_class ; CHECK: DW_AT_name ("E8") ; Test enumeration without a fixed underlying type, but with the DIFlagFixedEnum ; set. The DW_AT_enum_class attribute should be absent. This behaviour is ; intented to keep compatibilty with existing DWARF consumers, which may imply ; the type is present whenever DW_AT_enum_class is set. !63 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E9", file: !3, line: 63, size: 32, flags: DIFlagFixedEnum, elements: !64, identifier: "_ZTS2E9") !64 = !{!65, !66} !65 = !DIEnumerator(name: "A9", value: -128) !66 = !DIEnumerator(name: "B9", value: 127) ; CHECK: DW_TAG_enumeration_type ; CHECK-NOT: DW_AT_type ; CHECK-NOT: DW_AT_enum_class ; CHECK: DW_AT_name ("E9") !45 = !{!0, !46, !48, !50, !52, !54, !56, !58, !60, !67} !46 = !DIGlobalVariableExpression(var: !47, expr: !DIExpression()) !47 = distinct !DIGlobalVariable(name: "x1", scope: !2, file: !3, line: 12, type: !10, isLocal: false, isDefinition: true) !48 = !DIGlobalVariableExpression(var: !49, expr: !DIExpression()) !49 = distinct !DIGlobalVariable(name: "x2", scope: !2, file: !3, line: 21, type: !14, isLocal: false, isDefinition: true) !50 = !DIGlobalVariableExpression(var: !51, expr: !DIExpression()) !51 = distinct !DIGlobalVariable(name: "x3", scope: !2, file: !3, line: 28, type: !19, isLocal: false, isDefinition: true) !52 = !DIGlobalVariableExpression(var: !53, expr: !DIExpression()) !53 = distinct !DIGlobalVariable(name: "x4", scope: !2, file: !3, line: 34, type: !23, isLocal: false, isDefinition: true) !54 = !DIGlobalVariableExpression(var: !55, expr: !DIExpression()) !55 = distinct !DIGlobalVariable(name: "x5", scope: !2, file: !3, line: 41, type: !28, isLocal: false, isDefinition: true) !56 = !DIGlobalVariableExpression(var: !57, expr: !DIExpression()) !57 = distinct !DIGlobalVariable(name: "x6", scope: !2, file: !3, line: 50, type: !32, isLocal: false, isDefinition: true) !58 = !DIGlobalVariableExpression(var: !59, expr: !DIExpression()) !59 = distinct !DIGlobalVariable(name: "x7", scope: !2, file: !3, line: 57, type: !37, isLocal: false, isDefinition: true) !60 = !DIGlobalVariableExpression(var: !61, expr: !DIExpression()) !61 = distinct !DIGlobalVariable(name: "x8", scope: !2, file: !3, line: 63, type: !41, isLocal: false, isDefinition: true) !67 = !DIGlobalVariableExpression(var: !68, expr: !DIExpression()) !68 = distinct !DIGlobalVariable(name: "x9", scope: !2, file: !3, line: 63, type: !63, isLocal: false, isDefinition: true) !62 = !{i32 2, !"Debug Info Version", i32 3}