Patch adds support for copying of those
objective-c++ class objects which have GC'able objc object
pointers and need to use ObjC's objc_memmove_collectable
API (radar 8070772).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@106061 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGenCXX/implicit-copy-constructor.mm b/test/CodeGenCXX/implicit-copy-constructor.mm
new file mode 100644
index 0000000..489fd97
--- /dev/null
+++ b/test/CodeGenCXX/implicit-copy-constructor.mm
@@ -0,0 +1,73 @@
+// RUN: %clang_cc1 -fobjc-gc -triple x86_64-apple-darwin10 -emit-llvm -o - %s | FileCheck %s
+
+struct A {
+ A();
+ A(const A&);
+ A(A&);
+ ~A();
+};
+
+struct B {
+ B();
+ B(B&);
+};
+
+struct C {
+ C() {}
+ C(C& other, A a = A());
+ int i, j;
+};
+
+struct POD {
+ id myobjc;
+ int array[3][4];
+};
+
+struct D : A, B, virtual C {
+ D();
+ int scalar;
+ int scalar_array[2][3];
+ B class_member;
+ C class_member_array[2][3];
+ POD pod_array[2][3];
+
+ union {
+ int x;
+ float f[3];
+ };
+};
+
+void f(D d) {
+ D d2(d);
+}
+
+// CHECK: define linkonce_odr void @_ZN1DC1ERS_
+// CHECK: call void @_ZN1AC1Ev
+// CHECK: call void @_ZN1CC2ERS_1A
+// CHECK: call void @_ZN1AD1Ev
+// CHECK: call void @_ZN1AC2ERS_
+// CHECK: call void @_ZN1BC2ERS_
+// CHECK: {{call void @llvm.memcpy.p0i8.p0i8.i64.*i64 24}}
+// CHECK: call void @_ZN1BC1ERS_
+// CHECK: br
+// CHECK: {{icmp ult.*, 2}}
+// CHECK: {{icmp ult.*, 3}}
+// CHECK: call void @_ZN1AC1Ev
+// CHECK: call void @_ZN1CC1ERS_1A
+// CHECK: call void @_ZN1AD1Ev
+// CHECK: {{call.*@objc_memmove_collectable}}
+// CHECK: {{call void @llvm.memcpy.p0i8.p0i8.i64.*i64 12}}
+// CHECK: ret void
+
+
+template<class T> struct X0 { void f0(T * ) { } };
+template <class > struct X1 { X1( X1& , int = 0 ) { } };
+struct X2 { X1<int> result; };
+void test_X2()
+{
+ typedef X2 impl;
+ typedef X0<impl> pimpl;
+ impl* i;
+ pimpl pdata;
+ pdata.f0( new impl(*i));
+}