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