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// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fblocks -fobjc-arc -emit-llvm -o - %s | FileCheck %s
// Parameterized classes have no effect on code generation; this test
// mainly verifies that CodeGen doesn't assert when substituted types
// in uses of methods don't line up exactly with the parameterized
// types in the method declarations due to type erasure. "Not crash"
// is the only interesting criteria here.
@protocol NSObject
@end
@protocol NSCopying
@end
__attribute__((objc_root_class))
@interface NSObject <NSObject>
@end
@interface NSString : NSObject <NSCopying>
@end
@interface NSMutableArray<T> : NSObject <NSCopying>
@property (copy,nonatomic) T firstObject;
- (void)addObject:(T)object;
- (void)sortWithFunction:(int (*)(T, T))function;
- (void)getObjects:(T __strong *)objects length:(unsigned*)length;
- (T)objectAtIndexedSubscript:(unsigned)index;
- (void)setObject:(T)object atIndexedSubscript:(unsigned)index;
@end
NSString *getFirstObjectProp(NSMutableArray<NSString *> *array) {
return array.firstObject;
}
NSString *getFirstObjectMethod(NSMutableArray<NSString *> *array) {
return [array firstObject];
}
void addObject(NSMutableArray<NSString *> *array, NSString *obj) {
[array addObject: obj];
}
int compareStrings(NSString *x, NSString *y) { return 0; }
int compareBlocks(NSString * (^x)(NSString *),
NSString * (^y)(NSString *)) { return 0; }
void sortTest(NSMutableArray<NSString *> *array,
NSMutableArray<NSString * (^)(NSString *)> *array2) {
[array sortWithFunction: &compareStrings];
[array2 sortWithFunction: &compareBlocks];
}
void getObjectsTest(NSMutableArray<NSString *> *array) {
NSString * __strong *objects;
unsigned length;
[array getObjects: objects length: &length];
}
void printMe(NSString *name) { }
// CHECK-LABEL: define void @blockTest
void blockTest(NSMutableArray<void (^)(void)> *array, NSString *name) {
// CHECK-NOT: ret void
// CHECK: call i8* @objc_retainBlock
[array addObject: ^ { printMe(name); }];
// CHECK-NOT: ret void
array[0] = ^ { printMe(name); };
// CHECK: call i8* @objc_retainBlock
// CHECK: ret void
}
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