1// RUN: %clang_cc1 -triple x86_64-apple-darwin12 -emit-llvm -o - -std=c++11 %s -DPOD | FileCheck %s -check-prefix=CHECK-POD
2// RUN: %clang_cc1 -triple x86_64-apple-darwin12 -emit-llvm -o - -std=c++11 %s | FileCheck %s -check-prefix=CHECK-NONPOD
3
4// Declare the reserved placement operators.
5typedef __typeof__(sizeof(0)) size_t;
6void *operator new(size_t, void*) throw();
7void operator delete(void*, void*) throw();
8void *operator new[](size_t, void*) throw();
9void operator delete[](void*, void*) throw();
10template<typename T> T &&move(T&);
11
12struct foo {
13#ifndef POD
14  foo() {} // non-POD
15#endif
16  void *a, *b;
17  bool c;
18};
19
20// It is not legal to copy the tail padding in all cases, but if it is it can
21// yield better codegen.
22
23foo *test1(void *f, const foo &x) {
24  return new (f) foo(x);
25// CHECK-POD: test1
26// CHECK-POD: call void @llvm.memcpy.p0i8.p0i8.i64({{.*}}i64 24, i32 8
27
28// CHECK-NONPOD: test1
29// CHECK-NONPOD: call void @llvm.memcpy.p0i8.p0i8.i64({{.*}}i64 24, i32 8
30}
31
32foo *test2(const foo &x) {
33  return new foo(x);
34// CHECK-POD: test2
35// CHECK-POD: call void @llvm.memcpy.p0i8.p0i8.i64({{.*}}i64 24, i32 8
36
37// CHECK-NONPOD: test2
38// CHECK-NONPOD: call void @llvm.memcpy.p0i8.p0i8.i64({{.*}}i64 24, i32 8
39}
40
41foo test3(const foo &x) {
42  foo f = x;
43  return f;
44// CHECK-POD: test3
45// CHECK-POD: call void @llvm.memcpy.p0i8.p0i8.i64({{.*}}i64 24, i32 8
46
47// CHECK-NONPOD: test3
48// CHECK-NONPOD: call void @llvm.memcpy.p0i8.p0i8.i64({{.*}}i64 24, i32 8
49}
50
51foo *test4(foo &&x) {
52  return new foo(x);
53// CHECK-POD: test4
54// CHECK-POD: call void @llvm.memcpy.p0i8.p0i8.i64({{.*}}i64 24, i32 8
55
56// CHECK-NONPOD: test4
57// CHECK-NONPOD: call void @llvm.memcpy.p0i8.p0i8.i64({{.*}}i64 24, i32 8
58}
59
60void test5(foo &f, const foo &x) {
61  f = x;
62// CHECK-POD: test5
63// CHECK-POD: call void @llvm.memcpy.p0i8.p0i8.i64({{.*}}i64 24, i32 8
64
65// CHECK-NONPOD: test5
66// CHECK-NONPOD: call void @llvm.memcpy.p0i8.p0i8.i64({{.*}}i64 17, i32 8
67}
68
69extern foo globtest;
70
71void test6(foo &&x) {
72  globtest = move(x);
73// CHECK-POD: test6
74// CHECK-POD: call void @llvm.memcpy.p0i8.p0i8.i64({{.*}}i64 24, i32 8
75
76// CHECK-NONPOD: test6
77// CHECK-NONPOD: call void @llvm.memcpy.p0i8.p0i8.i64({{.*}}i64 17, i32 8
78}
79
80void byval(foo f);
81
82void test7(const foo &x) {
83  byval(x);
84// CHECK-POD: test7
85// CHECK-POD: call void @llvm.memcpy.p0i8.p0i8.i64({{.*}}i64 24, i32 8
86
87// CHECK-NONPOD: test7
88// CHECK-NONPOD: call void @llvm.memcpy.p0i8.p0i8.i64({{.*}}i64 24, i32 8
89}
90