llvm-project/clang/test/CodeGenObjC/objc2-write-barrier.m

114 lines
3.9 KiB
Objective-C

// 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
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;
}