Starting patch to generate more specific API for objc's

GC. Currently, new API will be generated under
clang-cc's -fobjc-newgc-api flag which will eventually
become the default. WIP.

llvm-svn: 82082

1 files changed, 78 insertions, 4 deletions

diff --git a/clang/test/CodeGenObjC/objc2-assign-global.m b/clang/test/CodeGenObjC/objc2-assign-global.m
index ae407619093..426b99fde15 100644
--- a/clang/test/CodeGenObjC/objc2-assign-global.m
+++ b/clang/test/CodeGenObjC/objc2-assign-global.m
@@ -1,8 +1,82 @@
-// RUN: clang-cc -fnext-runtime -fobjc-gc -emit-llvm -o %t %s &&
-// RUN: grep -F '@objc_assign_global' %t  | count 2 &&
+// RUN: clang-cc -fnext-runtime -fobjc-gc -fobjc-newgc-api -emit-llvm -o %t %s &&
+// RUN: grep -F '@objc_assign_global' %t  | count 26 &&
 // RUN: true
-id a;
+
+@class NSObject;
+typedef const struct __CFDictionary * CFDictionaryRef;
+typedef struct {
+  id  element;
+  id elementArray[10];
+  __strong CFDictionaryRef cfElement;
+  __strong CFDictionaryRef cfElementArray[10];
+} struct_with_ids_t;
+
+
+// assignments to these should generate objc_assign_global
+@interface A
+@end
+
+typedef struct s0 {
+  A *a[4];
+} T;
+
+T g0;
+
+extern id FileExternID;
+static id FileStaticID;
+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];
+
+#define ASSIGNTEST(expr, global) expr = rhs
+void *rhs = 0;
+
 int main() {
-        a = 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];
+  extern id ExID;
+  id localID;
+
+  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
+
+  ExID = 0;
+  localID = 0;
+  FileStaticID = 0;
+  FileExternID=0;
+  g0.a[0] = 0;
+  ((T*) &g0)->a[0] = 0;
 }