llvm-project

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// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fobjc-runtime=macosx-fragile-10.5 -fobjc-gc -emit-llvm -o %t %s
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// RUN: grep -F '@objc_assign_global' %t  | count 21
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// RUN: grep -F '@objc_assign_ivar' %t  | count 11
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// RUN: %clang_cc1 -x objective-c++ -triple x86_64-apple-darwin10 -fobjc-runtime=macosx-fragile-10.5 -fobjc-gc -emit-llvm -o %t %s
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// RUN: grep -F '@objc_assign_global' %t  | count 21
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// RUN: grep -F '@objc_assign_ivar' %t  | count 11
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typedef const struct __CFDictionary * CFDictionaryRef;
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// callouts to these are generated with cc -fobjc-gc
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int GlobalAssigns;
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int IvarAssigns;
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int StrongCastAssigns;
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// The test case elements;
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@class NSObject;
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@class NSString;
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typedef struct {
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  id  element;
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  id elementArray[10];
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  __strong CFDictionaryRef cfElement;
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  __strong CFDictionaryRef cfElementArray[10];
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} struct_with_ids_t;
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@interface Foo  {
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@public
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// assignments to any/all of these fields should generate objc_assign_ivar
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  __strong CFDictionaryRef dict;
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  __strong CFDictionaryRef dictArray[3];
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  id ivar;
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  id array[10];
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  NSObject *nsobject;
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  NSString *stringArray[10];
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  struct_with_ids_t inner;
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}
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@end
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// assignments to these should generate objc_assign_global
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id GlobalId;
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id GlobalArray[20];
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NSObject *GlobalObject;
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NSObject *GlobalObjectArray[20];
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__strong CFDictionaryRef Gdict;
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__strong CFDictionaryRef Gdictarray[10];
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struct_with_ids_t GlobalStruct;
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struct_with_ids_t GlobalStructArray[10];
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// The test cases
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void* rhs = 0;
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#define ASSIGNTEST(expr, global) expr = (typeof(expr))rhs
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int testGlobals(void) {
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  // Everything in this function generates assign_global intercepts
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  int counter = 0;
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  static id staticGlobalId;
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  static id staticGlobalArray[20];
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  static NSObject *staticGlobalObject;
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  static NSObject *staticGlobalObjectArray[20];
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  static __strong CFDictionaryRef staticGdict;
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  static __strong CFDictionaryRef staticGdictarray[10];
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  static struct_with_ids_t staticGlobalStruct;
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  static struct_with_ids_t staticGlobalStructArray[10];
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  ASSIGNTEST(GlobalId, GlobalAssigns);				// objc_assign_global
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  ASSIGNTEST(GlobalArray[0], GlobalAssigns);			// objc_assign_global
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  ASSIGNTEST(GlobalObject, GlobalAssigns);			// objc_assign_global
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  ASSIGNTEST(GlobalObjectArray[0], GlobalAssigns);		// objc_assign_global
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  ASSIGNTEST(Gdict, GlobalAssigns);				// objc_assign_global
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  ASSIGNTEST(Gdictarray[1], GlobalAssigns);			// objc_assign_global
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  ASSIGNTEST(GlobalStruct.element, GlobalAssigns);		// objc_assign_global
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  ASSIGNTEST(GlobalStruct.elementArray[0], GlobalAssigns);	// objc_assign_global
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  ASSIGNTEST(GlobalStruct.cfElement, GlobalAssigns);		// objc_assign_global
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  ASSIGNTEST(GlobalStruct.cfElementArray[0], GlobalAssigns);	// objc_assign_global
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  ASSIGNTEST(staticGlobalId, GlobalAssigns);			// objc_assign_global
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  ASSIGNTEST(staticGlobalArray[0], GlobalAssigns);		// objc_assign_global
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  ASSIGNTEST(staticGlobalObject, GlobalAssigns);		// objc_assign_global
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  ASSIGNTEST(staticGlobalObjectArray[0], GlobalAssigns);	// objc_assign_global
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  ASSIGNTEST(staticGdict, GlobalAssigns);			// objc_assign_global
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  ASSIGNTEST(staticGdictarray[1], GlobalAssigns);		// objc_assign_global
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  ASSIGNTEST(staticGlobalStruct.element, GlobalAssigns);		// objc_assign_global
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  ASSIGNTEST(staticGlobalStruct.elementArray[0], GlobalAssigns);	// objc_assign_global
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  ASSIGNTEST(staticGlobalStruct.cfElement, GlobalAssigns);		// objc_assign_global
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  ASSIGNTEST(staticGlobalStruct.cfElementArray[0], GlobalAssigns);	// objc_assign_global
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  return counter;
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}
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int testIvars(void) {
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  Foo *foo;
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  int counter = 0;
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  ASSIGNTEST(foo->ivar, IvarAssigns);					// objc_assign_ivar
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  ASSIGNTEST(foo->dict, IvarAssigns);					// objc_assign_ivar
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  ASSIGNTEST(foo->dictArray[0], IvarAssigns);				// objc_assign_ivar
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  ASSIGNTEST(foo->array[0], IvarAssigns);				// objc_assign_ivar
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  ASSIGNTEST(foo->nsobject, IvarAssigns);				// objc_assign_ivar
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  ASSIGNTEST(foo->stringArray[0], IvarAssigns);				// objc_assign_ivar
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  ASSIGNTEST(foo->inner.element, IvarAssigns);				// objc_assign_ivar
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  ASSIGNTEST(foo->inner.elementArray[0], IvarAssigns);			// objc_assign_ivar
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  ASSIGNTEST(foo->inner.cfElement, IvarAssigns);			// objc_assign_ivar
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  ASSIGNTEST(foo->inner.cfElementArray[0], IvarAssigns);		// objc_assign_ivar
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  return counter;
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}
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