1 files changed, 56 insertions, 0 deletions

diff --git a/test/CodeGenCXX/implicit-copy-assign-operator.cpp b/test/CodeGenCXX/implicit-copy-assign-operator.cpp
new file mode 100644
index 000000000000..0ec89fceec5b
--- /dev/null
+++ b/test/CodeGenCXX/implicit-copy-assign-operator.cpp
@@ -0,0 +1,56 @@
+// RUN: %clang_cc1 -emit-llvm -triple x86_64-apple-darwin10.0.0 -o - %s | FileCheck %s
+struct A { 
+  A &operator=(const A&);
+  A &operator=(A&);
+};
+
+struct B {
+  B &operator=(B&);
+};
+
+struct C {
+  virtual C& operator=(const C&);
+};
+
+struct POD {
+  int array[3][4];
+};
+
+struct CopyByValue {
+  CopyByValue(const CopyByValue&);
+  CopyByValue &operator=(CopyByValue);
+};
+
+struct D : A, B, virtual C { 
+  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];
+  };
+
+  CopyByValue by_value;
+};
+
+void test_D(D d1, D d2) {
+  d1 = d2;
+}
+
+// CHECK: define linkonce_odr %struct.D* @_ZN1DaSERS_
+// CHECK: {{call.*_ZN1AaSERS_}}
+// CHECK: {{call.*_ZN1BaSERS_}}
+// CHECK: {{call.*_ZN1CaSERKS_}}
+// CHECK: {{call void @llvm.memcpy.p0i8.p0i8.i64.*i64 24}}
+// CHECK: {{call.*_ZN1BaSERS_}}
+// CHECK: br
+// CHECK: {{call.*_ZN1CaSERKS_}}
+// CHECK: {{call void @llvm.memcpy.p0i8.p0i8.i64.*i64 288}}
+// CHECK: {{call void @llvm.memcpy.p0i8.p0i8.i64.*i64 12}}
+// CHECK: call void @_ZN11CopyByValueC1ERKS_
+// CHECK: {{call.*_ZN11CopyByValueaSES_}}
+// CHECK: ret
+