32 lines
651 B
C++
32 lines
651 B
C++
// RUN: %clang_cc1 %s -std=c++11 -emit-llvm -o - -triple=i686-linux-gnu | FileCheck %s
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struct A {
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A(const A&);
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A &operator=(const A&);
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};
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struct B {
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A a;
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B(B&&) = default;
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B &operator=(B&&) = default;
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};
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// CHECK: define {{.*}} @_Z2f1
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void f1(B &x) {
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// CHECK-NOT: memcpy
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// CHECK: call {{.*}} @_ZN1BC1EOS_(
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B b(static_cast<B&&>(x));
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}
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// CHECK: define {{.*}} @_Z2f2
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void f2(B &x, B &y) {
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// CHECK-NOT: memcpy
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// CHECK: call {{.*}} @_ZN1BaSEOS_(
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x = static_cast<B&&>(y);
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}
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// CHECK: define {{.*}} @_ZN1BaSEOS_(
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// CHECK: call {{.*}} @_ZN1AaSERKS_(
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// CHECK: define {{.*}} @_ZN1BC2EOS_(
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// CHECK: call {{.*}} @_ZN1AC1ERKS_(
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