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// RUN: %clang_cc1 -std=c++11 -triple x86_64-apple-darwin10 -emit-llvm -o - %s | FileCheck %s
struct Spacer { int x; };
struct A { double array[2]; };
struct B : Spacer, A { };
B &getB();
// CHECK-LABEL: define dereferenceable({{[0-9]+}}) %struct.A* @_Z4getAv()
// CHECK: call dereferenceable({{[0-9]+}}) %struct.B* @_Z4getBv()
// CHECK-NEXT: bitcast %struct.B*
// CHECK-NEXT: getelementptr inbounds i8, i8*
// CHECK-NEXT: bitcast i8* {{.*}} to %struct.A*
// CHECK-NEXT: ret %struct.A*
A &&getA() { return static_cast<A&&>(getB()); }
int &getIntLValue();
int &&getIntXValue();
int getIntPRValue();
// CHECK-LABEL: define dereferenceable({{[0-9]+}}) i32* @_Z2f0v()
// CHECK: call dereferenceable({{[0-9]+}}) i32* @_Z12getIntLValuev()
// CHECK-NEXT: ret i32*
int &&f0() { return static_cast<int&&>(getIntLValue()); }
// CHECK-LABEL: define dereferenceable({{[0-9]+}}) i32* @_Z2f1v()
// CHECK: call dereferenceable({{[0-9]+}}) i32* @_Z12getIntXValuev()
// CHECK-NEXT: ret i32*
int &&f1() { return static_cast<int&&>(getIntXValue()); }
// CHECK-LABEL: define dereferenceable({{[0-9]+}}) i32* @_Z2f2v
// CHECK: call i32 @_Z13getIntPRValuev()
// CHECK-NEXT: store i32 {{.*}}, i32*
// CHECK-NEXT: ret i32*
int &&f2() { return static_cast<int&&>(getIntPRValue()); }
bool ok;
class C
{
int* state_;
C(const C&) = delete;
C& operator=(const C&) = delete;
public:
C(int state) : state_(new int(state)) { }
C(C&& a) {
state_ = a.state_;
a.state_ = 0;
}
~C() {
delete state_;
state_ = 0;
}
};
C test();
// CHECK-LABEL: define void @_Z15elide_copy_initv
void elide_copy_init() {
ok = false;
// CHECK: call void @_Z4testv
C a = test();
// CHECK-NEXT: call void @_ZN1CD1Ev
// CHECK-NEXT: ret void
}
// CHECK-LABEL: define void @_Z16test_move_returnv
C test_move_return() {
// CHECK: call void @_ZN1CC1Ei
C a1(3);
// CHECK: call void @_ZN1CC1Ei
C a2(4);
if (ok)
// CHECK: call void @_ZN1CC1EOS_
return a1;
// CHECK: call void @_ZN1CC1EOS_
return a2;
// CHECK: call void @_ZN1CD1Ev
// CHECK: call void @_ZN1CD1Ev
//CHECK: ret void
}
// PR10800: don't crash
namespace test1 {
int &&move(int&);
struct A { A(int); };
struct B {
A a;
B(int i);
};
// CHECK-LABEL: define void @_ZN5test11BC2Ei(
// CHECK: [[T0:%.*]] = call dereferenceable({{[0-9]+}}) i32* @_ZN5test14moveERi(
// CHECK-NEXT: [[T1:%.*]] = load i32, i32* [[T0]]
// CHECK-NEXT: call void @_ZN5test11AC1Ei({{.*}}, i32 [[T1]])
// CHECK-NEXT: ret void
B::B(int i) : a(move(i)) {}
}
// PR11009
struct MoveConvertible {
operator int&& () const;
};
void moveConstruct() {
(void)(int)MoveConvertible();
}
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