| Adrian Prantl | a0e3df7 | 2013-04-19 21:52:06 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -g -emit-llvm -o - %s | FileCheck %s |
| Adrian Prantl | 59d6a71 | 2013-04-19 19:56:39 +0000 | [diff] [blame] | 2 | // The DWARF standard says the underlying data type of an enum may be |
| Adrian Prantl | 7018070 | 2013-04-19 21:48:07 +0000 | [diff] [blame] | 3 | // stored in an DW_AT_type entry in the enum DIE. This is useful to have |
| 4 | // so the debugger knows about the signedness of the underlying type. |
| Adrian Prantl | 59d6a71 | 2013-04-19 19:56:39 +0000 | [diff] [blame] | 5 | |
| 6 | typedef long NSInteger; |
| 7 | #define NS_ENUM(_type, _name) enum _name : _type _name; enum _name : _type |
| 8 | |
| 9 | // Enum with no specified underlying type |
| 10 | typedef enum { |
| 11 | Enum0One, |
| 12 | Enum0Two |
| 13 | } Enum0; |
| 14 | |
| 15 | // Enum declared with the NS_ENUM macro |
| 16 | typedef NS_ENUM(NSInteger, Enum1) { |
| 17 | Enum1One = -1, |
| 18 | Enum1Two |
| 19 | }; |
| 20 | |
| 21 | // Enum declared with a fixed underlying type |
| 22 | typedef enum : NSInteger { |
| 23 | Enum2One = -1, |
| 24 | Enum2Two |
| 25 | } Enum2; |
| 26 | |
| 27 | // Typedef and declaration separately |
| 28 | enum : NSInteger |
| 29 | { |
| 30 | Enum3One = -1, |
| 31 | Enum3Two |
| 32 | }; |
| 33 | typedef NSInteger Enum3; |
| 34 | |
| 35 | int main() { |
| 36 | Enum0 e0 = Enum0One; |
| 37 | // CHECK: call void @llvm.dbg.declare(metadata !{{.*}}, metadata ![[ENUM0:[0-9]+]]) |
| 38 | Enum1 e1 = Enum1One; |
| 39 | // CHECK: call void @llvm.dbg.declare(metadata !{{.*}}, metadata ![[ENUM1:[0-9]+]]) |
| 40 | Enum2 e2 = Enum2One; |
| 41 | // CHECK: call void @llvm.dbg.declare(metadata !{{.*}}, metadata ![[ENUM2:[0-9]+]]) |
| 42 | Enum3 e3 = Enum3One; |
| 43 | // CHECK: call void @llvm.dbg.declare(metadata !{{.*}}, metadata ![[ENUM3:[0-9]+]]) |
| 44 | |
| 45 | // -Werror and the following line ensures that these enums are not |
| 46 | // -treated as C++11 strongly typed enums. |
| 47 | return e0 != e1 && e1 == e2 && e2 == e3; |
| 48 | } |
| 49 | // CHECK: ![[ENUMERATOR0:[0-9]+]] = {{.*}}; [ DW_TAG_enumeration_type ] [line 10 |
| 50 | // CHECK: ![[ENUMERATOR1:[0-9]+]] = {{.*}}; [ DW_TAG_enumeration_type ] [Enum1] [line 16{{.*}}] [from NSInteger] |
| 51 | // CHECK: ![[ENUMERATOR3:[0-9]+]] = {{.*}}; [ DW_TAG_typedef ] [NSInteger] [line 6{{.*}}] [from long int] |
| 52 | // CHECK: ![[ENUMERATOR2:[0-9]+]] = {{.*}}; [ DW_TAG_enumeration_type ] [line 22{{.*}}] [from NSInteger] |
| 53 | |
| 54 | // CHECK: ![[ENUM0]] = metadata !{{{.*}}!"e0", metadata !{{[0-9]+}}, i32 {{[0-9]+}}, metadata ![[TYPE0:[0-9]+]] |
| 55 | // CHECK: ![[TYPE0]] = metadata !{{{.*}}!"Enum0", {{.*}} metadata ![[ENUMERATOR0]]} ; [ DW_TAG_typedef ] [Enum0] |
| 56 | |
| 57 | // CHECK: ![[ENUM1]] = metadata !{{{.*}}!"e1", metadata !{{[0-9]+}}, i32 {{[0-9]+}}, metadata ![[TYPE1:[0-9]+]] |
| 58 | // CHECK: ![[TYPE1]] = metadata !{{{.*}}!"Enum1", {{.*}} metadata ![[ENUMERATOR1]]} ; [ DW_TAG_typedef ] [Enum1] |
| 59 | |
| 60 | // CHECK: ![[ENUM2]] = metadata !{{{.*}}!"e2", metadata !{{[0-9]+}}, i32 {{[0-9]+}}, metadata ![[TYPE2:[0-9]+]] |
| 61 | // CHECK: ![[TYPE2]] = metadata !{{{.*}}!"Enum2", {{.*}} metadata ![[ENUMERATOR2]]} ; [ DW_TAG_typedef ] [Enum2] |
| 62 | |
| 63 | // CHECK: ![[ENUM3]] = metadata !{{{.*}}!"e3", metadata !{{[0-9]+}}, i32 {{[0-9]+}}, metadata ![[TYPE3:[0-9]+]] |
| 64 | // CHECK: ![[TYPE3]] = metadata !{{{.*}}!"Enum3", {{.*}} metadata ![[ENUMERATOR3]]} ; [ DW_TAG_typedef ] [Enum3] |