Explicitly-defaulted copy/move constructors are not "implicit", but
they still need the logic to cope with array member
initialization. Fixes PR10720.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140302 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGenCXX/constructor-init.cpp b/test/CodeGenCXX/constructor-init.cpp
index a195afe..7415b65 100644
--- a/test/CodeGenCXX/constructor-init.cpp
+++ b/test/CodeGenCXX/constructor-init.cpp
@@ -1,4 +1,6 @@
-// RUN: %clang_cc1 -triple x86_64-apple-darwin10 %s -emit-llvm -o - | FileCheck %s
+// RUN: %clang_cc1 -std=c++0x -triple x86_64-apple-darwin10 %s -emit-llvm -o %t
+// RUN: FileCheck %s < %t
+// RUN: FileCheck -check-prefix=CHECK-PR10720 %s < %t
extern "C" int printf(...);
@@ -149,3 +151,73 @@
X<T>::X(const X &other) : start(0), end(0) { }
X<int> get_X(X<int> x) { return x; }
+
+namespace PR10720 {
+ struct X {
+ X(const X&);
+ X(X&&);
+ X& operator=(const X&);
+ X& operator=(X&&);
+ ~X();
+ };
+
+ struct pair2 {
+ X second[4];
+
+ // CHECK-PR10720: define linkonce_odr {{.*}} @_ZN7PR107205pair2aSERKS0_
+ // CHECK-PR10720: load
+ // CHECK-PR10720: icmp ne
+ // CHECK-PR10720-NEXT: br i1
+ // CHECK-PR10720: call {{.*}} @_ZN7PR107201XaSERKS0_
+ // CHECK-PR10720: ret
+ pair2 &operator=(const pair2&) = default;
+
+ // CHECK-PR10720: define linkonce_odr {{.*}} @_ZN7PR107205pair2aSEOS0_
+ // CHECK-PR10720: load
+ // CHECK-PR10720: icmp ne
+ // CHECK-PR10720-NEXT: br i1
+ // CHECK-PR10720: call {{.*}} @_ZN7PR107201XaSEOS0_
+ // CHECK-PR10720: ret
+ pair2 &operator=(pair2&&) = default;
+
+ // CHECK-PR10720: define linkonce_odr void @_ZN7PR107205pair2C2EOS0_
+ // CHECK-PR10720-NOT: ret
+ // CHECK-PR10720: load
+ // CHECK-PR10720: icmp ult
+ // CHECK-PR10720-NEXT: br i1
+ // CHECK-PR10720: call void @_ZN7PR107201XC1EOS0_
+ // CHECK-PR10720-NEXT: br label
+ // CHECK-PR10720: ret void
+ pair2(pair2&&) = default;
+
+ // CHECK-PR10720: define linkonce_odr void @_ZN7PR107205pair2C2ERKS0_
+ // CHECK-PR10720-NOT: ret
+ // CHECK-PR10720: load
+ // CHECK-PR10720: icmp ult
+ // CHECK-PR10720-NEXT: br i1
+ // CHECK-PR10720: call void @_ZN7PR107201XC1ERKS0_
+ // CHECK-PR10720-NEXT: br label
+ // CHECK-PR10720: ret void
+ pair2(const pair2&) = default;
+ };
+
+ struct pair {
+ int second[4];
+ // CHECK-PR10720: define linkonce_odr void @_ZN7PR107204pairC2ERKS0_
+ // CHECK-PR10720-NOT: ret
+ // CHECK-PR10720: call void @llvm.memcpy
+ // CHECK-PR10720-NEXT: ret void
+ pair(const pair&) = default;
+ };
+
+ void foo(const pair &x, const pair2 &x2) {
+ pair y(x);
+ pair2 y2(x2);
+ pair2 y2m(static_cast<pair2&&>(y2));
+
+ y2 = x2;
+ y2m = static_cast<pair2&&>(y2);
+ }
+
+}
+