value-init.cpp revision 9021718882441dd391a1960084580d3cd19c423a
1// RUN: %clang_cc1 %s -triple x86_64-apple-darwin10 -emit-llvm -o - | FileCheck %s 2 3struct A { 4 virtual ~A(); 5}; 6 7struct B : A { }; 8 9struct C { 10 int i; 11 B b; 12}; 13 14// CHECK: _Z15test_value_initv 15void test_value_init() { 16 // This value initialization requires zero initialization of the 'B' 17 // subobject followed by a call to its constructor. 18 // PR5800 19 20 // CHECK: store i32 17 21 // CHECK: call void @llvm.memset.p0i8.i64 22 // CHECK: call void @_ZN1BC1Ev 23 C c = { 17 } ; 24 // CHECK: call void @_ZN1CD1Ev 25} 26 27enum enum_type { negative_number = -1, magic_number = 42 }; 28 29class enum_holder 30{ 31 enum_type m_enum; 32 33public: 34 enum_holder() : m_enum(magic_number) { } 35}; 36 37struct enum_holder_and_int 38{ 39 enum_holder e; 40 int i; 41}; 42 43// CHECK: _Z24test_enum_holder_and_intv() 44void test_enum_holder_and_int() { 45 // CHECK: alloca 46 // CHECK-NEXT: bitcast 47 // CHECK-NEXT: call void @llvm.memset 48 // CHECK-NEXT: call void @_ZN19enum_holder_and_intC1Ev 49 enum_holder_and_int(); 50 // CHECK-NEXT: ret void 51} 52 53// PR7834: don't crash. 54namespace test1 { 55 struct A { 56 int A::*f; 57 A(); 58 A(const A&); 59 A &operator=(const A &); 60 }; 61 62 struct B { 63 A base; 64 }; 65 66 void foo() { 67 B(); 68 } 69} 70