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 31NSString *getFirstObjectProp(NSMutableArray<NSString *> *array) { 32 return array.firstObject; 33} 34 35NSString *getFirstObjectMethod(NSMutableArray<NSString *> *array) { 36 return [array firstObject]; 37} 38 39void addObject(NSMutableArray<NSString *> *array, NSString *obj) { 40 [array addObject: obj]; 41} 42 43int compareStrings(NSString *x, NSString *y) { return 0; } 44int compareBlocks(NSString * (^x)(NSString *), 45 NSString * (^y)(NSString *)) { return 0; } 46 47void sortTest(NSMutableArray<NSString *> *array, 48 NSMutableArray<NSString * (^)(NSString *)> *array2) { 49 [array sortWithFunction: &compareStrings]; 50 [array2 sortWithFunction: &compareBlocks]; 51} 52 53void getObjectsTest(NSMutableArray<NSString *> *array) { 54 NSString * __strong *objects; 55 unsigned length; 56 [array getObjects: objects length: &length]; 57} 58 59void printMe(NSString *name) { } 60 61// CHECK-LABEL: define void @blockTest 62void blockTest(NSMutableArray<void (^)(void)> *array, NSString *name) { 63 // CHECK-NOT: ret void 64 // CHECK: call i8* @objc_retainBlock 65 [array addObject: ^ { printMe(name); }]; 66 // CHECK-NOT: ret void 67 array[0] = ^ { printMe(name); }; 68 // CHECK: call i8* @objc_retainBlock 69 // CHECK: ret void 70} 71