implicit-copy-assign-operator.mm
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// RUN: %clang_cc1 -fobjc-gc -emit-llvm -triple x86_64-apple-darwin10.0.0 -fobjc-runtime=macosx-fragile-10.5 -o - %s | FileCheck %s -check-prefix=CHECK-OBJ
// RUN: %clang_cc1 -x c++ -emit-llvm -triple x86_64-apple-darwin10.0.0 -o - %s | FileCheck %s -check-prefix=CHECK-CPP
#ifdef __OBJC__
struct A {
A &operator=(const A&);
A &operator=(A&);
};
struct B {
B &operator=(B&);
};
struct C {
virtual C& operator=(const C&);
};
struct POD {
id myobjc;
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-OBJ-LABEL: define linkonce_odr dereferenceable({{[0-9]+}}) %struct.D* @_ZN1DaSERS_
// CHECK-OBJ: {{call.*_ZN1AaSERS_}}
// CHECK-OBJ: {{call.*_ZN1BaSERS_}}
// CHECK-OBJ: {{call.*_ZN1CaSERKS_}}
// CHECK-OBJ: {{call void @llvm.memcpy.p0i8.p0i8.i64.*i64 24}}
// CHECK-OBJ: {{call.*_ZN1BaSERS_}}
// CHECK-OBJ: br
// CHECK-OBJ: {{call.*_ZN1CaSERKS_}}
// CHECK-OBJ: {{call.*@objc_memmove_collectable}}
// CHECK-OBJ: {{call void @llvm.memcpy.p0i8.p0i8.i64.*i64 12}}
// CHECK-OBJ: call void @_ZN11CopyByValueC1ERKS_
// CHECK-OBJ: {{call.*_ZN11CopyByValueaSES_}}
// CHECK-OBJ: ret
#endif
namespace PR13329 {
#ifndef __OBJC__
typedef void* id;
#endif
struct POD {
id i;
short s;
};
struct NonPOD {
id i;
short s;
NonPOD();
};
struct DerivedNonPOD: NonPOD {
char c;
};
struct DerivedPOD: POD {
char c;
};
void testPOD() {
POD a;
POD b;
// CHECK-OBJ: @objc_memmove_collectable{{.*}}i64 16
// CHECK-CPP: @llvm.memcpy{{.*}}i64 16
b = a;
}
void testNonPOD() {
NonPOD a;
NonPOD b;
// CHECK-OBJ: @objc_memmove_collectable{{.*}}i64 10
// CHECK-CPP: @llvm.memcpy{{.*}}i64 10
b = a;
}
void testDerivedNonPOD() {
DerivedNonPOD a;
NonPOD b;
DerivedNonPOD c;
// CHECK-OBJ: @objc_memmove_collectable{{.*}}i64 10
// CHECK-CPP: @llvm.memcpy{{.*}}i64 10
(NonPOD&) a = b;
// CHECK-OBJ: @objc_memmove_collectable{{.*}}i64 11
// CHECK-CPP: @llvm.memcpy{{.*}}i64 11
a = c;
};
void testDerivedPOD() {
DerivedPOD a;
POD b;
DerivedPOD c;
// CHECK-OBJ: @objc_memmove_collectable{{.*}}i64 16
// CHECK-CPP: @llvm.memcpy{{.*}}i64 16
(POD&) a = b;
// CHECK-OBJ: @objc_memmove_collectable{{.*}}i64 17
// CHECK-CPP: @llvm.memcpy{{.*}}i64 17
a = c;
};
}