101 lines
4.5 KiB
C++
101 lines
4.5 KiB
C++
// Test enumeration representation in debuig info metadata:
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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: %clang -target x86_64-linux -g -S -emit-llvm -o - %s | FileCheck %s
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enum class E0 : signed char {
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A0 = -128,
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B0 = 127,
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} x0;
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// CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, name: "E0"
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// CHECK-SAME: baseType: ![[SCHAR:[0-9]+]]
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// CHECK-SAME: DIFlagEnumClass
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// CHECK-SAME: elements: ![[ELTS0:[0-9]+]]
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// CHECK: ![[SCHAR]] = !DIBasicType(name: "signed char", size: 8, encoding: DW_ATE_signed_char)
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// CHECK: ![[ELTS0]] = !{![[A0:[0-9]+]], ![[B0:[0-9]+]]}
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// CHECK: ![[A0]] = !DIEnumerator(name: "A0", value: -128)
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// CHECK: ![[B0]] = !DIEnumerator(name: "B0", value: 127)
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enum class E1 : unsigned char { A1 = 255 } x1;
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// CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, name: "E1"
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// CHECK-SAME: baseType: ![[UCHAR:[0-9]+]]
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// CHECK-SAME: DIFlagEnumClass
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// CHECK-SAME: elements: ![[ELTS1:[0-9]+]]
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// CHECK: ![[UCHAR]] = !DIBasicType(name: "unsigned char", size: 8, encoding: DW_ATE_unsigned_char)
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// CHECK: ![[ELTS1]] = !{![[A1:[0-9]+]]}
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// CHECK: ![[A1]] = !DIEnumerator(name: "A1", value: 255, isUnsigned: true)
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enum class E2 : signed short {
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A2 = -32768,
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B2 = 32767,
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} x2;
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// CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, name: "E2"
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// CHECK-SAME: baseType: ![[SHORT:[0-9]+]]
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// CHECK-SAME: DIFlagEnumClass
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// CHECK-SAME: elements: ![[ELTS2:[0-9]+]]
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// CHECK: ![[SHORT]] = !DIBasicType(name: "short", size: 16, encoding: DW_ATE_signed)
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// CHECK: ![[ELTS2]] = !{![[A2:[0-9]+]], ![[B2:[0-9]+]]}
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// CHECK: ![[A2]] = !DIEnumerator(name: "A2", value: -32768)
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// CHECK: ![[B2]] = !DIEnumerator(name: "B2", value: 32767)
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enum class E3 : unsigned short { A3 = 65535 } x3;
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// CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, name: "E3"
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// CHECK-SAME: baseType: ![[USHORT:[0-9]+]]
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// CHECK-SAME: DIFlagEnumClass
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// CHECK-SAME: elements: ![[ELTS3:[0-9]+]]
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// CHECK: ![[USHORT]] = !DIBasicType(name: "unsigned short", size: 16, encoding: DW_ATE_unsigned)
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// CHECK: ![[ELTS3]] = !{![[A3:[0-9]+]]}
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// CHECK: ![[A3]] = !DIEnumerator(name: "A3", value: 65535, isUnsigned: true)
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enum class E4 : signed int { A4 = -2147483648, B4 = 2147483647 } x4;
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// CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, name: "E4"
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// CHECK-SAME: baseType: ![[INT:[0-9]+]]
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// CHECK-SAME: DIFlagEnumClass
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// CHECK-SAME: elements: ![[ELTS4:[0-9]+]]
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// CHECK: ![[INT]] = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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// CHECK: ![[ELTS4]] = !{![[A4:[0-9]+]], ![[B4:[0-9]+]]}
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// CHECK: ![[A4]] = !DIEnumerator(name: "A4", value: -2147483648)
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// CHECK: ![[B4]] = !DIEnumerator(name: "B4", value: 2147483647)
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enum class E5 : unsigned int { A5 = 4294967295 } x5;
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// CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, name: "E5"
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// CHECK-SAME: baseType: ![[UINT:[0-9]+]]
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// CHECK-SAME: DIFlagEnumClass
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// CHECK-SAME: elements: ![[ELTS5:[0-9]+]]
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// CHECK: ![[UINT]] = !DIBasicType(name: "unsigned int", size: 32, encoding: DW_ATE_unsigned)
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// CHECK: ![[ELTS5]] = !{![[A5:[0-9]+]]}
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// CHECK: ![[A5]] = !DIEnumerator(name: "A5", value: 4294967295, isUnsigned: true)
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enum class E6 : signed long long {
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A6 = -9223372036854775807LL - 1,
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B6 = 9223372036854775807LL
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} x6;
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// CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, name: "E6"
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// CHECK-SAME: baseType: ![[LONG:[0-9]+]]
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// CHECK-SAME: DIFlagEnumClass
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// CHECK-SAME: elements: ![[ELTS6:[0-9]+]]
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// CHECK: ![[LONG]] = !DIBasicType(name: "long long int", size: 64, encoding: DW_ATE_signed)
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// CHECK: ![[ELTS6]] = !{![[A6:[0-9]+]], ![[B6:[0-9]+]]}
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// CHECK: ![[A6]] = !DIEnumerator(name: "A6", value: -9223372036854775808)
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// CHECK: ![[B6]] = !DIEnumerator(name: "B6", value: 9223372036854775807)
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enum class E7 : unsigned long long { A7 = 18446744073709551615ULL } x7;
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// CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, name: "E7"
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// CHECK-SAME: baseType: ![[ULONG:[0-9]+]]
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// CHECK-SAME: DIFlagEnumClass
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// CHECK-SAME: elements: ![[ELTS7:[0-9]+]]
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// CHECK: ![[ULONG]] = !DIBasicType(name: "long long unsigned int", size: 64, encoding: DW_ATE_unsigned)
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// CHECK: ![[ELTS7]] = !{![[A7:[0-9]+]]}
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// CHECK: ![[A7]] = !DIEnumerator(name: "A7", value: 18446744073709551615, isUnsigned: true)
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// Also test the FixedEnum flag is not present for old-style enumerations.
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enum E8 { A8 = -128, B8 = 127 } x8;
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// CHECK: !DICompositeType(tag: DW_TAG_enumeration_type, name: "E8"
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// CHECK-SAME: baseType: ![[INT]]
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// CHECK-NOT: DIFlagEnumClass
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// CHECK: !DIEnumerator(name: "A8", value: -128)
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