| 1 | // RUN: %clang_cc1 -debug-info-kind=limited -emit-llvm -o - %s | FileCheck %s |
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| 2 | // The DWARF standard says the underlying data type of an enum may be |
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| 3 | // stored in an DW_AT_type entry in the enum DIE. This is useful to have |
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| 4 | // so the debugger knows about the signedness of the underlying type. |
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| 5 | |
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| 6 | typedef long NSInteger; |
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| 7 | #define NS_ENUM(_type, _name) enum _name : _type _name; enum _name : _type |
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| 8 | |
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| 9 | // Enum with no specified underlying type |
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| 10 | typedef enum { |
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| 11 | Enum0One, |
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| 12 | Enum0Two |
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| 13 | } Enum0; |
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| 14 | |
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| 15 | // Enum declared with the NS_ENUM macro |
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| 16 | typedef NS_ENUM(NSInteger, Enum1) { |
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| 17 | Enum1One = -1, |
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| 18 | Enum1Two |
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| 19 | }; |
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| 20 | |
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| 21 | // Enum declared with a fixed underlying type |
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| 22 | typedef enum : NSInteger { |
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| 23 | Enum2One = -1, |
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| 24 | Enum2Two |
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| 25 | } Enum2; |
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| 26 | |
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| 27 | // Typedef and declaration separately |
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| 28 | enum : NSInteger |
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| 29 | { |
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| 30 | Enum3One = -1, |
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| 31 | Enum3Two |
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| 32 | }; |
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| 33 | typedef NSInteger Enum3; |
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| 34 | |
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| 35 | int main() { |
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| 36 | Enum0 e0 = Enum0One; |
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| 37 | // CHECK: call void @llvm.dbg.declare(metadata {{.*}}, metadata ![[ENUM0:[0-9]+]], metadata !{{.*}}) |
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| 38 | Enum1 e1 = Enum1One; |
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| 39 | // CHECK: call void @llvm.dbg.declare(metadata {{.*}}, metadata ![[ENUM1:[0-9]+]], metadata !{{.*}}) |
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| 40 | Enum2 e2 = Enum2One; |
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| 41 | // CHECK: call void @llvm.dbg.declare(metadata {{.*}}, metadata ![[ENUM2:[0-9]+]], metadata !{{.*}}) |
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| 42 | Enum3 e3 = Enum3One; |
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| 43 | // CHECK: call void @llvm.dbg.declare(metadata {{.*}}, metadata ![[ENUM3:[0-9]+]], metadata !{{.*}}) |
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| 44 | |
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| 45 | // -Werror and the following line ensures that these enums are not |
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| 46 | // -treated as C++11 strongly typed enums. |
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| 47 | return e0 != e1 && e1 == e2 && e2 == e3; |
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| 48 | } |
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| 49 | // CHECK: ![[ENUMERATOR0:[0-9]+]] = !DICompositeType(tag: DW_TAG_enumeration_type |
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| 50 | // CHECK-SAME: line: 10, |
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| 51 | // CHECK: ![[ENUMERATOR1:[0-9]+]] = !DICompositeType(tag: DW_TAG_enumeration_type, name: "Enum1" |
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| 52 | // CHECK-SAME: line: 16 |
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| 53 | // CHECK-SAME: baseType: ![[ENUMERATOR3:[0-9]+]] |
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| 54 | // CHECK: ![[ENUMERATOR3]] = !DIDerivedType(tag: DW_TAG_typedef, name: "NSInteger" |
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| 55 | // CHECK-SAME: line: 6 |
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| 56 | // CHECK-SAME: baseType: ![[LONGINT:[0-9]+]] |
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| 57 | // CHECK: ![[LONGINT]] = !DIBasicType(name: "long int" |
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| 58 | // CHECK: ![[ENUMERATOR2:[0-9]+]] = !DICompositeType(tag: DW_TAG_enumeration_type, |
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| 59 | // CHECK-SAME: line: 22 |
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| 60 | // CHECK-SAME: baseType: ![[ENUMERATOR3]] |
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| 61 | |
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| 62 | // CHECK: ![[ENUM0]] = !DILocalVariable(name: "e0" |
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| 63 | // CHECK-SAME: type: ![[TYPE0:[0-9]+]] |
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| 64 | // CHECK: ![[TYPE0]] = !DIDerivedType(tag: DW_TAG_typedef, name: "Enum0", |
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| 65 | // CHECK-SAME: baseType: ![[ENUMERATOR0]] |
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| 66 | |
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| 67 | // CHECK: ![[ENUM1]] = !DILocalVariable(name: "e1" |
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| 68 | // CHECK-SAME: type: ![[TYPE1:[0-9]+]] |
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| 69 | // CHECK: ![[TYPE1]] = !DIDerivedType(tag: DW_TAG_typedef, name: "Enum1" |
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| 70 | // CHECK-SAME: baseType: ![[ENUMERATOR1]] |
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| 71 | |
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| 72 | // CHECK: ![[ENUM2]] = !DILocalVariable(name: "e2" |
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| 73 | // CHECK-SAME: type: ![[TYPE2:[0-9]+]] |
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| 74 | // CHECK: ![[TYPE2]] = !DIDerivedType(tag: DW_TAG_typedef, name: "Enum2" |
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| 75 | // CHECK-SAME: baseType: ![[ENUMERATOR2]] |
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| 76 | |
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| 77 | // CHECK: ![[ENUM3]] = !DILocalVariable(name: "e3" |
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| 78 | // CHECK-SAME: type: ![[TYPE3:[0-9]+]] |
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| 79 | // CHECK: ![[TYPE3]] = !DIDerivedType(tag: DW_TAG_typedef, name: "Enum3" |
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| 80 | // CHECK-SAME: baseType: ![[ENUMERATOR3]] |
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| 81 | |
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