1// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -o - %s | FileCheck %s
2
3// CHECK: @"_OBJC_$_PROTOCOL_METHOD_TYPES_P1" = internal global
4// CHECK: @[[PROTO_P1:"_OBJC_PROTOCOL_\$_P1"]] = weak hidden
5// CHECK: @[[LABEL_PROTO_P1:"_OBJC_LABEL_PROTOCOL_\$_P1"]] = weak hidden global %{{.*}}* @[[PROTO_P1]]
6// CHECK: @[[PROTO_P2:"_OBJC_PROTOCOL_\$_P2"]] = weak hidden
7// CHECK: @[[LABEL_PROTO_P2:"_OBJC_LABEL_PROTOCOL_\$_P2"]] = weak hidden global %{{.*}}* @[[PROTO_P2]]
8// CHECK: @"_OBJC_$_PROTOCOL_REFS_P3" = internal global { i64, [3 x %{{.*}}] } { i64 2, [3 x %{{.*}}*] [%{{.*}}* @[[PROTO_P1]], %{{.*}}* @[[PROTO_P2]], %{{.*}}* null] }
9// CHECK: @[[PROTO_P3:"_OBJC_PROTOCOL_\$_P3"]] = weak hidden
10// CHECK: @[[LABEL_PROTO_P3:"_OBJC_LABEL_PROTOCOL_\$_P3"]] = weak hidden global %{{.*}}* @[[PROTO_P3]]
11// CHECK: "_OBJC_PROTOCOL_REFERENCE_$_P3" = weak hidden global %{{.*}}* bitcast (%{{.*}}* @[[PROTO_P3]] to %{{.*}}*)
12// CHECK: @[[PROTO_P0:"_OBJC_PROTOCOL_\$_P0"]] = weak hidden
13// CHECK: @[[LABEL_PROTO_P0:"_OBJC_LABEL_PROTOCOL_\$_P0"]] = weak hidden global %{{.*}}* @[[PROTO_P0]]
14// CHECK: "_OBJC_PROTOCOL_REFERENCE_$_P0" = weak hidden global %0* bitcast (%{{.*}}* @[[PROTO_P0]] to %{{.*}}*)
15// CHECK: "_OBJC_PROTOCOL_REFERENCE_$_P1" = weak hidden global %0* bitcast (%{{.*}}* @[[PROTO_P1]] to %{{.*}}*)
16// CHECK: "_OBJC_PROTOCOL_REFERENCE_$_P2" = weak hidden global %0* bitcast (%{{.*}}* @[[PROTO_P2]] to %{{.*}}*)
17
18void p(const char*, ...);
19
20@interface Root
21+(int) maxValue;
22-(int) conformsTo: (id) x;
23@end
24
25@protocol P0
26@end
27
28@protocol P1
29+(void) classMethodReq0;
30-(void) methodReq0;
31@optional
32+(void) classMethodOpt1;
33-(void) methodOpt1;
34@required
35+(void) classMethodReq2;
36-(void) methodReq2;
37@end
38
39@protocol P2
40//@property(readwrite) int x;
41@end
42
43@protocol P3<P1, P2>
44-(id <P1>) print0;
45-(void) print1;
46@end
47
48void foo(const id a) {
49  void *p = @protocol(P3);
50}
51
52int main() {
53  Protocol *P0 = @protocol(P0);
54  Protocol *P1 = @protocol(P1);
55  Protocol *P2 = @protocol(P2);
56  Protocol *P3 = @protocol(P3);
57
58#define Pbool(X) p(#X ": %s\n", X ? "yes" : "no");
59  Pbool([P0 conformsTo: P1]);
60  Pbool([P1 conformsTo: P0]);
61  Pbool([P1 conformsTo: P2]);
62  Pbool([P2 conformsTo: P1]);
63  Pbool([P3 conformsTo: P1]);
64  Pbool([P1 conformsTo: P3]);
65
66  return 0;
67}
68
69// rdar://problem/7992749
70typedef Root<P1> P1Object;
71int test10() {
72  return [P1Object maxValue];
73}
74