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