forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			127 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			Objective-C
		
	
	
	
			
		
		
	
	
			127 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			Objective-C
		
	
	
	
| // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fblocks -fobjc-arc -emit-llvm -o - %s | FileCheck %s
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| 
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| // Parameterized classes have no effect on code generation; this test
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| // mainly verifies that CodeGen doesn't assert when substituted types
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| // in uses of methods don't line up exactly with the parameterized
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| // types in the method declarations due to type erasure. "Not crash"
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| // is the only interesting criteria here.
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| 
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| @protocol NSObject
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| @end
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| 
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| @protocol NSCopying
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| @end
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| 
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| __attribute__((objc_root_class))
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| @interface NSObject <NSObject>
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| @end
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| 
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| @interface NSString : NSObject <NSCopying>
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| @end
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| 
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| @interface NSMutableArray<T> : NSObject <NSCopying>
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| @property (copy,nonatomic) T firstObject;
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| - (void)addObject:(T)object;
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| - (void)sortWithFunction:(int (*)(T, T))function;
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| - (void)getObjects:(T __strong *)objects length:(unsigned*)length;
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| - (T)objectAtIndexedSubscript:(unsigned)index;
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| - (void)setObject:(T)object atIndexedSubscript:(unsigned)index;
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| @end
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| 
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| NSString *getFirstObjectProp(NSMutableArray<NSString *> *array) {
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|   return array.firstObject;
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| }
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| 
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| NSString *getFirstObjectMethod(NSMutableArray<NSString *> *array) {
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|   return [array firstObject];
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| }
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| 
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| void addObject(NSMutableArray<NSString *> *array, NSString *obj) {
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|   [array addObject: obj];
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| }
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| 
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| int compareStrings(NSString *x, NSString *y) { return 0; }
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| int compareBlocks(NSString * (^x)(NSString *),
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|                   NSString * (^y)(NSString *)) { return 0; }
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| 
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| void sortTest(NSMutableArray<NSString *> *array,
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|               NSMutableArray<NSString * (^)(NSString *)> *array2) {
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|   [array sortWithFunction: &compareStrings];
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|   [array2 sortWithFunction: &compareBlocks];
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| }
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| 
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| void getObjectsTest(NSMutableArray<NSString *> *array) {
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|   NSString * __strong *objects;
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|   unsigned length;
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|   [array getObjects: objects length: &length];
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| }
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| 
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| void printMe(NSString *name) { }
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| 
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| // CHECK-LABEL: define void @blockTest
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| void blockTest(NSMutableArray<void (^)(void)> *array, NSString *name) {
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|   // CHECK-NOT: ret void
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|   // CHECK: call i8* @llvm.objc.retainBlock
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|   [array addObject: ^ { printMe(name); }];
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|   // CHECK-NOT: ret void
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|   array[0] = ^ { printMe(name); };
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|   // CHECK: call i8* @llvm.objc.retainBlock
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|   // CHECK: ret void
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| }
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| 
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| // CHECK-LABEL: define internal void @"\01-[Derived setDest:]
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| // CHECK: %[[SELFADDR:.*]] = alloca %[[SELFTY:.*]]*
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| // CHECK: %[[AADDR:.*]] = alloca %[[IVARTY:.*]]*
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| // CHECK: %[[V2:.*]] = load %[[IVARTY]]*, %[[IVARTY]]** %[[AADDR]]
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| // CHECK: %[[V3:.*]] = load %[[SELFTY]]*, %[[SELFTY]]** %[[SELFADDR]]
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| // CHECK: %[[IVAR:.*]] = load i64, i64* @"OBJC_IVAR_$_Base._destination"
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| // CHECK: %[[V4:.*]] = bitcast %[[SELFTY]]* %[[V3]] to i8*
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| // CHECK: %[[ADDPTR:.*]] = getelementptr inbounds i8, i8* %[[V4]], i64 %[[IVAR]]
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| // CHECK: %[[V5:.*]] = bitcast i8* %[[ADDPTR]] to %[[IVARTY]]**
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| // CHECK: %[[V6:.*]] = bitcast %[[IVARTY]]** %[[V5]] to i8**
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| // CHECK: %[[V7:.*]] = bitcast %[[IVARTY]]* %[[V2]] to i8*
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| // CHECK: call void @llvm.objc.storeStrong(i8** %[[V6]], i8* %[[V7]])
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| 
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| @interface Base<DestType> : NSObject {
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|   DestType _destination;
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| }
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| @end
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| 
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| @interface Derived : Base<NSObject *>
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| - (void)setDest:(NSObject *)a;
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| @end
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| 
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| @implementation Derived
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| - (void)setDest:(NSObject *)a {
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|   _destination = a;
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| }
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| @end
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| 
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| // CHECK-LABEL: define internal void @"\01-[C0 foo1]"(
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| // CHECK: {{.*}} = alloca
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| // CHECK: {{.*}} = alloca
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| // CHECK: %[[D:.*]] = alloca %[[TY:.*]]*
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| // CHECK: %[[TEMP:.*]] = alloca %[[TY]]*
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| // CHECK: %[[V4:.*]] = load %[[TY]]*, %[[TY]]** %[[D]]
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| // CHECK: store %[[TY]]* %[[V4]], %[[TY]]** %[[TEMP]]
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| // CHECK: %[[V7:.*]] = bitcast %[[TY]]** %[[TEMP]] to i8**
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| // CHECK: call void bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to void (i8*, i8*, i8**)*)(i8* %{{.*}}, i8* %{{.*}}, i8** %[[V7]])
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| 
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| @interface P0<ObjectType> : NSObject
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| - (void)m0:(ObjectType *)first;
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| @end
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| 
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| @interface C0 : NSObject
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| -(void)foo1;
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| @end
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| 
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| @implementation C0 {
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|   P0<NSString *> *x;
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| }
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| 
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| -(void)foo1 {
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|   NSString *d;
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|   [x m0:&d];
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| }
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| @end
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