blob: 5e52b1625b61f6282e9846019e6f8e2c91a19a25 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
/// RUN: %clang_cc1 -triple x86_64-apple-darwin12 -emit-llvm -o - -std=c++11 %s -DPOD | FileCheck %s -check-prefix=CHECK-POD
// RUN: %clang_cc1 -triple x86_64-apple-darwin12 -emit-llvm -o - -std=c++11 %s | FileCheck %s -check-prefix=CHECK-NONPOD
// Declare the reserved placement operators.
typedef __typeof__(sizeof(0)) size_t;
void *operator new(size_t, void*) throw();
void operator delete(void*, void*) throw();
void *operator new[](size_t, void*) throw();
void operator delete[](void*, void*) throw();
template<typename T> T &&move(T&);
struct foo {
#ifndef POD
foo() {} // non-POD
#endif
void *a, *b;
bool c;
};
// It is not legal to copy the tail padding in all cases, but if it is it can
// yield better codegen.
foo *test1(void *f, const foo &x) {
return new (f) foo(x);
// CHECK-POD: test1
// CHECK-POD: call void @llvm.memcpy.p0i8.p0i8.i64({{.*}} align 8 {{.*}} align 8 {{.*}}i64 24
// CHECK-NONPOD: test1
// CHECK-NONPOD: call void @llvm.memcpy.p0i8.p0i8.i64({{.*}} align 8 {{.*}} align 8 {{.*}}i64 24
}
foo *test2(const foo &x) {
return new foo(x);
// CHECK-POD: test2
// CHECK-POD: call void @llvm.memcpy.p0i8.p0i8.i64({{.*}} align 16 {{.*}} align 8 {{.*}}i64 24
// CHECK-NONPOD: test2
// CHECK-NONPOD: call void @llvm.memcpy.p0i8.p0i8.i64({{.*}} align 16 {{.*}} align 8 {{.*}}i64 24
}
foo test3(const foo &x) {
foo f = x;
return f;
// CHECK-POD: test3
// CHECK-POD: call void @llvm.memcpy.p0i8.p0i8.i64({{.*}} align 8 {{.*}} align 8 {{.*}}i64 24
// CHECK-NONPOD: test3
// CHECK-NONPOD: call void @llvm.memcpy.p0i8.p0i8.i64({{.*}} align 8 {{.*}} align 8 {{.*}}i64 24
}
foo *test4(foo &&x) {
return new foo(x);
// CHECK-POD: test4
// CHECK-POD: call void @llvm.memcpy.p0i8.p0i8.i64({{.*}} align 16 {{.*}} align 8 {{.*}}i64 24
// CHECK-NONPOD: test4
// CHECK-NONPOD: call void @llvm.memcpy.p0i8.p0i8.i64({{.*}} align 16 {{.*}} align 8 {{.*}}i64 24
}
void test5(foo &f, const foo &x) {
f = x;
// CHECK-POD: test5
// CHECK-POD: call void @llvm.memcpy.p0i8.p0i8.i64({{.*}} align 8 {{.*}} align 8 {{.*}}i64 24
// CHECK-NONPOD: test5
// CHECK-NONPOD: call void @llvm.memcpy.p0i8.p0i8.i64({{.*}} align 8 {{.*}} align 8 {{.*}}i64 17
}
extern foo globtest;
void test6(foo &&x) {
globtest = move(x);
// CHECK-POD: test6
// CHECK-POD: call void @llvm.memcpy.p0i8.p0i8.i64({{.*}} align 8 {{.*}} align 8 {{.*}}i64 24
// CHECK-NONPOD: test6
// CHECK-NONPOD: call void @llvm.memcpy.p0i8.p0i8.i64({{.*}} align 8 {{.*}} align 8 {{.*}}i64 17
}
void byval(foo f);
void test7(const foo &x) {
byval(x);
// CHECK-POD: test7
// CHECK-POD: call void @llvm.memcpy.p0i8.p0i8.i64({{.*}} align 8 {{.*}} align 8 {{.*}}i64 24
// CHECK-NONPOD: test7
// CHECK-NONPOD: call void @llvm.memcpy.p0i8.p0i8.i64({{.*}} align 8 {{.*}} align 8 {{.*}}i64 24
}
|
