101 lines · cpp
1// Test enumeration representation in debuig info metadata:2// * test value representation for each possible underlying integer type3// * test the integer type is as expected4// * test the DW_AT_enum_class attribute is present (resp. absent) as expected.5 6// RUN: %clang -target x86_64-linux -g -S -emit-llvm -o - %s | FileCheck %s7 8 9enum class E0 : signed char {10 A0 = -128,11 B0 = 127,12} x0;13// CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, name: "E0"14// CHECK-SAME: baseType: ![[SCHAR:[0-9]+]]15// CHECK-SAME: DIFlagEnumClass16// CHECK-SAME: elements: ![[ELTS0:[0-9]+]]17// CHECK: ![[SCHAR]] = !DIBasicType(name: "signed char", size: 8, encoding: DW_ATE_signed_char)18// CHECK: ![[ELTS0]] = !{![[A0:[0-9]+]], ![[B0:[0-9]+]]}19// CHECK: ![[A0]] = !DIEnumerator(name: "A0", value: -128)20// CHECK: ![[B0]] = !DIEnumerator(name: "B0", value: 127)21 22enum class E1 : unsigned char { A1 = 255 } x1;23// CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, name: "E1"24// CHECK-SAME: baseType: ![[UCHAR:[0-9]+]]25// CHECK-SAME: DIFlagEnumClass26// CHECK-SAME: elements: ![[ELTS1:[0-9]+]]27// CHECK: ![[UCHAR]] = !DIBasicType(name: "unsigned char", size: 8, encoding: DW_ATE_unsigned_char)28// CHECK: ![[ELTS1]] = !{![[A1:[0-9]+]]}29// CHECK: ![[A1]] = !DIEnumerator(name: "A1", value: 255, isUnsigned: true)30 31enum class E2 : signed short {32 A2 = -32768,33 B2 = 32767,34} x2;35// CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, name: "E2"36// CHECK-SAME: baseType: ![[SHORT:[0-9]+]]37// CHECK-SAME: DIFlagEnumClass38// CHECK-SAME: elements: ![[ELTS2:[0-9]+]]39// CHECK: ![[SHORT]] = !DIBasicType(name: "short", size: 16, encoding: DW_ATE_signed)40// CHECK: ![[ELTS2]] = !{![[A2:[0-9]+]], ![[B2:[0-9]+]]}41// CHECK: ![[A2]] = !DIEnumerator(name: "A2", value: -32768)42// CHECK: ![[B2]] = !DIEnumerator(name: "B2", value: 32767)43 44enum class E3 : unsigned short { A3 = 65535 } x3;45// CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, name: "E3"46// CHECK-SAME: baseType: ![[USHORT:[0-9]+]]47// CHECK-SAME: DIFlagEnumClass48// CHECK-SAME: elements: ![[ELTS3:[0-9]+]]49// CHECK: ![[USHORT]] = !DIBasicType(name: "unsigned short", size: 16, encoding: DW_ATE_unsigned)50// CHECK: ![[ELTS3]] = !{![[A3:[0-9]+]]}51// CHECK: ![[A3]] = !DIEnumerator(name: "A3", value: 65535, isUnsigned: true)52 53enum class E4 : signed int { A4 = -2147483648, B4 = 2147483647 } x4;54// CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, name: "E4"55// CHECK-SAME: baseType: ![[INT:[0-9]+]]56// CHECK-SAME: DIFlagEnumClass57// CHECK-SAME: elements: ![[ELTS4:[0-9]+]]58// CHECK: ![[INT]] = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)59// CHECK: ![[ELTS4]] = !{![[A4:[0-9]+]], ![[B4:[0-9]+]]}60// CHECK: ![[A4]] = !DIEnumerator(name: "A4", value: -2147483648)61// CHECK: ![[B4]] = !DIEnumerator(name: "B4", value: 2147483647)62 63enum class E5 : unsigned int { A5 = 4294967295 } x5;64// CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, name: "E5"65// CHECK-SAME: baseType: ![[UINT:[0-9]+]]66// CHECK-SAME: DIFlagEnumClass67// CHECK-SAME: elements: ![[ELTS5:[0-9]+]]68// CHECK: ![[UINT]] = !DIBasicType(name: "unsigned int", size: 32, encoding: DW_ATE_unsigned)69// CHECK: ![[ELTS5]] = !{![[A5:[0-9]+]]}70// CHECK: ![[A5]] = !DIEnumerator(name: "A5", value: 4294967295, isUnsigned: true)71 72enum class E6 : signed long long {73 A6 = -9223372036854775807LL - 1,74 B6 = 9223372036854775807LL75} x6;76// CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, name: "E6"77// CHECK-SAME: baseType: ![[LONG:[0-9]+]]78// CHECK-SAME: DIFlagEnumClass79// CHECK-SAME: elements: ![[ELTS6:[0-9]+]]80// CHECK: ![[LONG]] = !DIBasicType(name: "long long", size: 64, encoding: DW_ATE_signed)81// CHECK: ![[ELTS6]] = !{![[A6:[0-9]+]], ![[B6:[0-9]+]]}82// CHECK: ![[A6]] = !DIEnumerator(name: "A6", value: -9223372036854775808)83// CHECK: ![[B6]] = !DIEnumerator(name: "B6", value: 9223372036854775807)84 85enum class E7 : unsigned long long { A7 = 18446744073709551615ULL } x7;86// CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, name: "E7"87// CHECK-SAME: baseType: ![[ULONG:[0-9]+]]88// CHECK-SAME: DIFlagEnumClass89// CHECK-SAME: elements: ![[ELTS7:[0-9]+]]90// CHECK: ![[ULONG]] = !DIBasicType(name: "unsigned long long", size: 64, encoding: DW_ATE_unsigned)91// CHECK: ![[ELTS7]] = !{![[A7:[0-9]+]]}92// CHECK: ![[A7]] = !DIEnumerator(name: "A7", value: 18446744073709551615, isUnsigned: true)93 94// Also test the FixedEnum flag is not present for old-style enumerations.95enum E8 { A8 = -128, B8 = 127 } x8;96// CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, name: "E8"97// CHECK-SAME: baseType: ![[INT]]98// CHECK-NOT: DIFlagEnumClass99// CHECK: !DIEnumerator(name: "A8", value: -128)100 101