xref: /minix3/external/bsd/llvm/dist/clang/test/CodeGenObjC/objc-fixed-enum.m (revision f4a2713ac843a11c696ec80c0a5e3e5d80b4d338)
1// RUN: %clang_cc1 -g -emit-llvm -o - %s | FileCheck %s
2// The DWARF standard says the underlying data type of an enum may be
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.
5
6typedef long NSInteger;
7#define NS_ENUM(_type, _name) enum _name : _type _name; enum _name : _type
8
9// Enum with no specified underlying type
10typedef enum {
11  Enum0One,
12  Enum0Two
13} Enum0;
14
15// Enum declared with the NS_ENUM macro
16typedef NS_ENUM(NSInteger, Enum1) {
17  Enum1One = -1,
18  Enum1Two
19};
20
21// Enum declared with a fixed underlying type
22typedef enum : NSInteger {
23  Enum2One = -1,
24  Enum2Two
25} Enum2;
26
27// Typedef and declaration separately
28enum : NSInteger
29{
30  Enum3One = -1,
31  Enum3Two
32};
33typedef NSInteger Enum3;
34
35int 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]
65