llvm-project/clang/test/CodeGenObjC/id-isa-codegen.m

37 lines
757 B
Objective-C

// RUN: %clang_cc1 -emit-llvm -o %t %s
typedef struct objc_class *Class;
typedef struct objc_object {
Class isa;
} *id;
@interface I
+ (Class) class;
- (void)meth : (id)object : (id)src_object;
+ (unsigned char) isSubclassOfClass:(Class)aClass ;
@end
@implementation I
+ (Class) class {return 0;}
+ (unsigned char) isSubclassOfClass:(Class)aClass {return 0;}
- (void)meth : (id)object : (id)src_object {
[object->isa isSubclassOfClass:[I class]];
[(*object).isa isSubclassOfClass:[I class]];
object->isa = src_object->isa;
(*src_object).isa = (*object).isa;
}
@end
// rdar 7470820
static Class MyClass;
Class Test(const void *inObject1) {
if(((id)inObject1)->isa == MyClass)
return ((id)inObject1)->isa;
return (id)0;
}