| // RUN: %clang_cc1 %s -triple x86_64-apple-darwin10 -emit-llvm -o - | FileCheck %s |
| |
| struct A { |
| virtual ~A(); |
| }; |
| |
| struct B : A { }; |
| |
| struct C { |
| int i; |
| B b; |
| }; |
| |
| // CHECK: _Z15test_value_initv |
| void test_value_init() { |
| // This value initialization requires zero initialization of the 'B' |
| // subobject followed by a call to its constructor. |
| // PR5800 |
| |
| // CHECK: store i32 17 |
| // CHECK: call void @llvm.memset.p0i8.i64 |
| // CHECK: call void @_ZN1BC1Ev |
| C c = { 17 } ; |
| // CHECK: call void @_ZN1CD1Ev |
| } |
| |
| enum enum_type { negative_number = -1, magic_number = 42 }; |
| |
| class enum_holder |
| { |
| enum_type m_enum; |
| |
| public: |
| enum_holder() : m_enum(magic_number) { } |
| }; |
| |
| struct enum_holder_and_int |
| { |
| enum_holder e; |
| int i; |
| }; |
| |
| // CHECK: _Z24test_enum_holder_and_intv() |
| void test_enum_holder_and_int() { |
| // CHECK: alloca |
| // CHECK-NEXT: bitcast |
| // CHECK-NEXT: call void @llvm.memset |
| // CHECK-NEXT: call void @_ZN19enum_holder_and_intC1Ev |
| enum_holder_and_int(); |
| // CHECK-NEXT: ret void |
| } |
| |
| // PR7834: don't crash. |
| namespace test1 { |
| struct A { |
| int A::*f; |
| A(); |
| A(const A&); |
| A &operator=(const A &); |
| }; |
| |
| struct B { |
| A base; |
| }; |
| |
| void foo() { |
| B(); |
| } |
| } |
| |
| namespace ptrmem { |
| struct S { |
| int mem1; |
| int S::*mem2; |
| }; |
| |
| // CHECK: define i32 @_ZN6ptrmem4testEPNS_1SE |
| int test(S *s) { |
| // CHECK: call void @llvm.memcpy.p0i8.p0i8.i64 |
| // CHECK: getelementptr |
| // CHECK: ret |
| return s->*S().mem2; |
| } |
| } |
| |
| namespace zeroinit { |
| struct S { int i; }; |
| |
| // CHECK: define i32 @_ZN8zeroinit4testEv() |
| int test() { |
| // CHECK: call void @llvm.memset.p0i8.i64 |
| // CHECK: getelementptr |
| // CHECK: ret i32 |
| return S().i; |
| } |
| |
| struct X0 { |
| X0() { } |
| int x; |
| }; |
| |
| struct X1 : X0 { |
| int x1; |
| void f(); |
| }; |
| |
| // CHECK: define void @_ZN8zeroinit9testX0_X1Ev |
| void testX0_X1() { |
| // CHECK: call void @llvm.memset.p0i8.i64 |
| // CHECK-NEXT: call void @_ZN8zeroinit2X1C1Ev |
| // CHECK-NEXT: call void @_ZN8zeroinit2X11fEv |
| X1().f(); |
| } |
| |
| template<typename> |
| struct X2 : X0 { |
| int x2; |
| void f(); |
| }; |
| |
| template<typename> |
| struct X3 : X2<int> { |
| X3() : X2<int>() { } |
| }; |
| |
| |
| // CHECK: define void @_ZN8zeroinit9testX0_X3Ev |
| void testX0_X3() { |
| // CHECK-NOT: call void @llvm.memset |
| // CHECK: call void @_ZN8zeroinit2X3IiEC1Ev |
| // CHECK: call void @_ZN8zeroinit2X2IiE1fEv |
| // CHECK-NEXT: ret void |
| X3<int>().f(); |
| } |
| |
| // CHECK: define linkonce_odr void @_ZN8zeroinit2X3IiEC2Ev |
| // CHECK: call void @llvm.memset.p0i8.i64 |
| // CHECK-NEXT: call void @_ZN8zeroinit2X2IiEC2Ev |
| // CHECK-NEXT: ret void |
| } |
| |
| namespace PR8726 { |
| class C; |
| struct S { |
| const C &c1; |
| int i; |
| const C &c2; |
| }; |
| void f(const C& c) { |
| S s = {c, 42, c}; |
| } |
| |
| } |