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author | Carlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au> | 2012-10-15 17:10:06 +1100 |
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committer | Carlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au> | 2012-10-15 17:10:06 +1100 |
commit | be1de4be954c80875ad4108e0a33e8e131b2f2c0 (patch) | |
tree | 1fbbecf276bf7c7bdcbb4dd446099d6d90eaa516 /clang/test/CodeGenObjC/id-isa-codegen.m | |
parent | c4626a62754862d20b41e8a46a3574264ea80e6d (diff) | |
parent | f1bd2e48c5324d3f7cda4090c87f8a5b6f463ce2 (diff) |
Merge branch 'master' of ssh://bitbucket.org/czan/honours
Diffstat (limited to 'clang/test/CodeGenObjC/id-isa-codegen.m')
-rw-r--r-- | clang/test/CodeGenObjC/id-isa-codegen.m | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/clang/test/CodeGenObjC/id-isa-codegen.m b/clang/test/CodeGenObjC/id-isa-codegen.m new file mode 100644 index 0000000..8cac750 --- /dev/null +++ b/clang/test/CodeGenObjC/id-isa-codegen.m @@ -0,0 +1,73 @@ +// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fobjc-fragile-abi -emit-llvm -o - %s | FileCheck -check-prefix LP64 %s +// RUN: %clang_cc1 -triple i386-apple-darwin9 -fobjc-fragile-abi -emit-llvm -o - %s | FileCheck -check-prefix LP32 %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; +} + +// rdar 7609722 +@interface Foo { +@public + id isa; +} ++(id)method; +@end + +id Test2() { + if([Foo method]->isa) + return (*[Foo method]).isa; + return [Foo method]->isa; +} + +// rdar 7709015 +@interface Cat {} +@end + +@interface SuperCat : Cat {} ++(void)geneticallyAlterCat:(Cat *)cat; +@end + +@implementation SuperCat ++ (void)geneticallyAlterCat:(Cat *)cat { + Class dynamicSubclass; + ((id)cat)->isa = dynamicSubclass; +} +@end +// CHECK-LP64: %{{.*}} = load i8** % +// CHECK-NEXT: %{{.*}} = bitcast i8* %{{.*}} to i8** +// CHECK-NEXT: store i8* %{{.*}}, i8** %{{.*}} + +// CHECK-LP32: %{{.*}} = load i8** % +// CHECK-NEXT: %{{.*}} = bitcast i8* %{{.*}} to i8** +// CHECK-NEXT: store i8* %{{.*}}, i8** %{{.*}} |