1 | // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fblocks -fobjc-arc -emit-llvm -o - %s | FileCheck %s |
2 | |
3 | // Parameterized classes have no effect on code generation; this test |
4 | // mainly verifies that CodeGen doesn't assert when substituted types |
5 | // in uses of methods don't line up exactly with the parameterized |
6 | // types in the method declarations due to type erasure. "Not crash" |
7 | // is the only interesting criteria here. |
8 | |
9 | @protocol NSObject |
10 | @end |
11 | |
12 | @protocol NSCopying |
13 | @end |
14 | |
15 | __attribute__((objc_root_class)) |
16 | @interface NSObject <NSObject> |
17 | @end |
18 | |
19 | @interface NSString : NSObject <NSCopying> |
20 | @end |
21 | |
22 | @interface NSMutableArray<T> : NSObject <NSCopying> |
23 | @property (copy,nonatomic) T firstObject; |
24 | - (void)addObject:(T)object; |
25 | - (void)sortWithFunction:(int (*)(T, T))function; |
26 | - (void)getObjects:(T __strong *)objects length:(unsigned*)length; |
27 | - (T)objectAtIndexedSubscript:(unsigned)index; |
28 | - (void)setObject:(T)object atIndexedSubscript:(unsigned)index; |
29 | @end |
30 | |
31 | NSString *getFirstObjectProp(NSMutableArray<NSString *> *array) { |
32 | return array.firstObject; |
33 | } |
34 | |
35 | NSString *getFirstObjectMethod(NSMutableArray<NSString *> *array) { |
36 | return [array firstObject]; |
37 | } |
38 | |
39 | void addObject(NSMutableArray<NSString *> *array, NSString *obj) { |
40 | [array addObject: obj]; |
41 | } |
42 | |
43 | int compareStrings(NSString *x, NSString *y) { return 0; } |
44 | int compareBlocks(NSString * (^x)(NSString *), |
45 | NSString * (^y)(NSString *)) { return 0; } |
46 | |
47 | void sortTest(NSMutableArray<NSString *> *array, |
48 | NSMutableArray<NSString * (^)(NSString *)> *array2) { |
49 | [array sortWithFunction: &compareStrings]; |
50 | [array2 sortWithFunction: &compareBlocks]; |
51 | } |
52 | |
53 | void getObjectsTest(NSMutableArray<NSString *> *array) { |
54 | NSString * __strong *objects; |
55 | unsigned length; |
56 | [array getObjects: objects length: &length]; |
57 | } |
58 | |
59 | void printMe(NSString *name) { } |
60 | |
61 | // CHECK-LABEL: define void @blockTest |
62 | void blockTest(NSMutableArray<void (^)(void)> *array, NSString *name) { |
63 | // CHECK-NOT: ret void |
64 | // CHECK: call i8* @llvm.objc.retainBlock |
65 | [array addObject: ^ { printMe(name); }]; |
66 | // CHECK-NOT: ret void |
67 | array[0] = ^ { printMe(name); }; |
68 | // CHECK: call i8* @llvm.objc.retainBlock |
69 | // CHECK: ret void |
70 | } |
71 | |
72 | // CHECK-LABEL: define internal void @"\01-[Derived setDest:] |
73 | // CHECK: %[[SELFADDR:.*]] = alloca %[[SELFTY:.*]]* |
74 | // CHECK: %[[AADDR:.*]] = alloca %[[IVARTY:.*]]* |
75 | // CHECK: %[[V2:.*]] = load %[[IVARTY]]*, %[[IVARTY]]** %[[AADDR]] |
76 | // CHECK: %[[V3:.*]] = load %[[SELFTY]]*, %[[SELFTY]]** %[[SELFADDR]] |
77 | // CHECK: %[[IVAR:.*]] = load i64, i64* @"OBJC_IVAR_$_Base._destination" |
78 | // CHECK: %[[V4:.*]] = bitcast %[[SELFTY]]* %[[V3]] to i8* |
79 | // CHECK: %[[ADDPTR:.*]] = getelementptr inbounds i8, i8* %[[V4]], i64 %[[IVAR]] |
80 | // CHECK: %[[V5:.*]] = bitcast i8* %[[ADDPTR]] to %[[IVARTY]]** |
81 | // CHECK: %[[V6:.*]] = bitcast %[[IVARTY]]** %[[V5]] to i8** |
82 | // CHECK: %[[V7:.*]] = bitcast %[[IVARTY]]* %[[V2]] to i8* |
83 | // CHECK: call void @llvm.objc.storeStrong(i8** %[[V6]], i8* %[[V7]]) |
84 | |
85 | @interface Base<DestType> : NSObject { |
86 | DestType _destination; |
87 | } |
88 | @end |
89 | |
90 | @interface Derived : Base<NSObject *> |
91 | - (void)setDest:(NSObject *)a; |
92 | @end |
93 | |
94 | @implementation Derived |
95 | - (void)setDest:(NSObject *)a { |
96 | _destination = a; |
97 | } |
98 | @end |
99 | |
100 | // CHECK-LABEL: define internal void @"\01-[C0 foo1]"( |
101 | // CHECK: {{.*}} = alloca |
102 | // CHECK: {{.*}} = alloca |
103 | // CHECK: %[[D:.*]] = alloca %[[TY:.*]]* |
104 | // CHECK: %[[TEMP:.*]] = alloca %[[TY]]* |
105 | // CHECK: %[[V4:.*]] = load %[[TY]]*, %[[TY]]** %[[D]] |
106 | // CHECK: store %[[TY]]* %[[V4]], %[[TY]]** %[[TEMP]] |
107 | // CHECK: %[[V7:.*]] = bitcast %[[TY]]** %[[TEMP]] to i8** |
108 | // CHECK: call void bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to void (i8*, i8*, i8**)*)(i8* %{{.*}}, i8* %{{.*}}, i8** %[[V7]]) |
109 | |
110 | @interface P0<ObjectType> : NSObject |
111 | - (void)m0:(ObjectType *)first; |
112 | @end |
113 | |
114 | @interface C0 : NSObject |
115 | -(void)foo1; |
116 | @end |
117 | |
118 | @implementation C0 { |
119 | P0<NSString *> *x; |
120 | } |
121 | |
122 | -(void)foo1 { |
123 | NSString *d; |
124 | [x m0:&d]; |
125 | } |
126 | @end |
127 | |