Merge branch 'master' of ssh://bitbucket.org/czan/honours

1 files changed, 52 insertions, 0 deletions

diff --git a/clang/test/CodeGenObjC/objc-assign-ivar.m b/clang/test/CodeGenObjC/objc-assign-ivar.m
new file mode 100644
index 0000000..d0a1a0f
--- /dev/null
+++ b/clang/test/CodeGenObjC/objc-assign-ivar.m
@@ -0,0 +1,52 @@
+// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fobjc-fragile-abi -fobjc-gc -emit-llvm -o %t %s
+// RUN: grep -F '@objc_assign_ivar' %t  | count 14
+
+typedef struct {
+  id  element;
+  id elementArray[10];
+  __strong id cfElement;
+  __strong id cfElementArray[10];
+} struct_with_ids_t;
+
+
+@interface NSString @end
+
+@interface Foo  {
+@public
+// assignments to any/all of these fields should generate objc_assign_ivar
+  __strong id dict;
+  __strong id dictArray[3];
+  id ivar;
+  id array[10];
+  id nsobject;
+  NSString *stringArray[10];
+  struct_with_ids_t inner;
+
+  Foo *obj[20];
+  short idx[5];
+}
+@end
+
+// The test cases
+int IvarAssigns;
+void *rhs = 0;
+#define ASSIGNTEST(expr, global) expr = rhs
+
+void testIvars() {
+  Foo *foo;
+  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
+  int counter=1;
+  ASSIGNTEST(foo->obj[5], IvarAssigns);                 // objc_assign_ivar
+  ASSIGNTEST(foo->obj[++counter], IvarAssigns);         // objc_assign_ivar
+  foo->idx[++counter] = 15;
+  ASSIGNTEST(foo->obj[foo->idx[2]], IvarAssigns);       // objc_assign_ivar
+}