forked from OSchip/llvm-project
74 lines
1.7 KiB
Objective-C
74 lines
1.7 KiB
Objective-C
// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fobjc-runtime=macosx-fragile-10.5 -emit-llvm -o - %s | FileCheck -check-prefix LP64 %s
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// RUN: %clang_cc1 -triple i386-apple-darwin9 -fobjc-runtime=macosx-fragile-10.5 -emit-llvm -o - %s | FileCheck -check-prefix LP32 %s
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typedef struct objc_class *Class;
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typedef struct objc_object {
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Class isa;
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} *id;
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@interface I
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+ (Class) class;
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- (void)meth : (id)object : (id)src_object;
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+ (unsigned char) isSubclassOfClass:(Class)aClass ;
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@end
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@implementation I
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+ (Class) class {return 0;}
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+ (unsigned char) isSubclassOfClass:(Class)aClass {return 0;}
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- (void)meth : (id)object : (id)src_object {
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[object->isa isSubclassOfClass:[I class]];
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[(*object).isa isSubclassOfClass:[I class]];
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object->isa = src_object->isa;
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(*src_object).isa = (*object).isa;
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}
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@end
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// rdar 7470820
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static Class MyClass;
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Class Test(const void *inObject1) {
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if(((id)inObject1)->isa == MyClass)
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return ((id)inObject1)->isa;
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return (id)0;
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}
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// rdar 7609722
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@interface Foo {
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@public
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id isa;
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}
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+(id)method;
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@end
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id Test2() {
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if([Foo method]->isa)
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return (*[Foo method]).isa;
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return [Foo method]->isa;
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}
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// rdar 7709015
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@interface Cat {}
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@end
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@interface SuperCat : Cat {}
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+(void)geneticallyAlterCat:(Cat *)cat;
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@end
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@implementation SuperCat
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+ (void)geneticallyAlterCat:(Cat *)cat {
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Class dynamicSubclass;
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((id)cat)->isa = dynamicSubclass;
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}
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@end
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// CHECK-LP64: %{{.*}} = load i8** %
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// CHECK-NEXT: %{{.*}} = bitcast i8* %{{.*}} to i8**
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// CHECK-NEXT: store i8* %{{.*}}, i8** %{{.*}}
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// CHECK-LP32: %{{.*}} = load i8** %
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// CHECK-NEXT: %{{.*}} = bitcast i8* %{{.*}} to i8**
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// CHECK-NEXT: store i8* %{{.*}}, i8** %{{.*}}
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