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