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Diffstat (limited to 'test/CodeGenObjC/objc2-write-barrier.m')
-rw-r--r-- | test/CodeGenObjC/objc2-write-barrier.m | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/test/CodeGenObjC/objc2-write-barrier.m b/test/CodeGenObjC/objc2-write-barrier.m new file mode 100644 index 000000000000..53fa10a7a75f --- /dev/null +++ b/test/CodeGenObjC/objc2-write-barrier.m @@ -0,0 +1,114 @@ +// RUN: clang-cc -triple x86_64-apple-darwin10 -fnext-runtime -fobjc-gc -emit-llvm -o %t %s && +// RUN: grep -F '@objc_assign_global' %t | count 21 && +// RUN: grep -F '@objc_assign_ivar' %t | count 11 && +// RUN: true + + +typedef const struct __CFDictionary * CFDictionaryRef; + +// callouts to these are generated with cc -fobjc-gc + +int GlobalAssigns; +int IvarAssigns; +int StrongCastAssigns; + + +// The test case elements; +@class NSObject; +@class NSString; + +typedef struct { + id element; + id elementArray[10]; + __strong CFDictionaryRef cfElement; + __strong CFDictionaryRef cfElementArray[10]; +} struct_with_ids_t; + +@interface Foo { +@public +// assignments to any/all of these fields should generate objc_assign_ivar + __strong CFDictionaryRef dict; + __strong CFDictionaryRef dictArray[3]; + id ivar; + id array[10]; + NSObject *nsobject; + NSString *stringArray[10]; + struct_with_ids_t inner; +} + +@end + +// assignments to these should generate objc_assign_global +id GlobalId; +id GlobalArray[20]; +NSObject *GlobalObject; +NSObject *GlobalObjectArray[20]; +__strong CFDictionaryRef Gdict; +__strong CFDictionaryRef Gdictarray[10]; +struct_with_ids_t GlobalStruct; +struct_with_ids_t GlobalStructArray[10]; + + +// The test cases +void *rhs = 0; + +#define ASSIGNTEST(expr, global) expr = rhs + +int testGlobals() { + // Everything in this function generates assign_global intercepts + int counter = 0; + + static id staticGlobalId; + static id staticGlobalArray[20]; + static NSObject *staticGlobalObject; + static NSObject *staticGlobalObjectArray[20]; + static __strong CFDictionaryRef staticGdict; + static __strong CFDictionaryRef staticGdictarray[10]; + static struct_with_ids_t staticGlobalStruct; + static struct_with_ids_t staticGlobalStructArray[10]; + + ASSIGNTEST(GlobalId, GlobalAssigns); // objc_assign_global + ASSIGNTEST(GlobalArray[0], GlobalAssigns); // objc_assign_global + ASSIGNTEST(GlobalObject, GlobalAssigns); // objc_assign_global + ASSIGNTEST(GlobalObjectArray[0], GlobalAssigns); // objc_assign_global + ASSIGNTEST(Gdict, GlobalAssigns); // objc_assign_global + ASSIGNTEST(Gdictarray[1], GlobalAssigns); // objc_assign_global + + ASSIGNTEST(GlobalStruct.element, GlobalAssigns); // objc_assign_global + ASSIGNTEST(GlobalStruct.elementArray[0], GlobalAssigns); // objc_assign_global + ASSIGNTEST(GlobalStruct.cfElement, GlobalAssigns); // objc_assign_global + ASSIGNTEST(GlobalStruct.cfElementArray[0], GlobalAssigns); // objc_assign_global + + ASSIGNTEST(staticGlobalId, GlobalAssigns); // objc_assign_global + ASSIGNTEST(staticGlobalArray[0], GlobalAssigns); // objc_assign_global + ASSIGNTEST(staticGlobalObject, GlobalAssigns); // objc_assign_global + ASSIGNTEST(staticGlobalObjectArray[0], GlobalAssigns); // objc_assign_global + ASSIGNTEST(staticGdict, GlobalAssigns); // objc_assign_global + ASSIGNTEST(staticGdictarray[1], GlobalAssigns); // objc_assign_global + + ASSIGNTEST(staticGlobalStruct.element, GlobalAssigns); // objc_assign_global + ASSIGNTEST(staticGlobalStruct.elementArray[0], GlobalAssigns); // objc_assign_global + ASSIGNTEST(staticGlobalStruct.cfElement, GlobalAssigns); // objc_assign_global + ASSIGNTEST(staticGlobalStruct.cfElementArray[0], GlobalAssigns); // objc_assign_global + + return counter; +} + + +int testIvars() { + Foo *foo; + int counter = 0; + + ASSIGNTEST(foo->ivar, IvarAssigns); // objc_assign_ivar + ASSIGNTEST(foo->dict, IvarAssigns); // objc_assign_ivar + ASSIGNTEST(foo->dictArray[0], IvarAssigns); // objc_assign_ivar + ASSIGNTEST(foo->array[0], IvarAssigns); // objc_assign_ivar + ASSIGNTEST(foo->nsobject, IvarAssigns); // objc_assign_ivar + ASSIGNTEST(foo->stringArray[0], IvarAssigns); // objc_assign_ivar + ASSIGNTEST(foo->inner.element, IvarAssigns); // objc_assign_ivar + ASSIGNTEST(foo->inner.elementArray[0], IvarAssigns); // objc_assign_ivar + ASSIGNTEST(foo->inner.cfElement, IvarAssigns); // objc_assign_ivar + ASSIGNTEST(foo->inner.cfElementArray[0], IvarAssigns); // objc_assign_ivar + + return counter; +} |