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
|
//@ compile-flags: -C no-prepopulate-passes
// `#[no_mangle]`d functions always have external linkage, i.e., no `internal` in their `define`s
#![crate_type = "lib"]
#![no_std]
// CHECK: define{{( dso_local)?}} void @a()
#[no_mangle]
fn a() {}
// CHECK: define{{( dso_local)?}} void @b()
#[no_mangle]
pub fn b() {}
mod private {
// CHECK: define{{( dso_local)?}} void @c()
#[no_mangle]
fn c() {}
// CHECK: define{{( dso_local)?}} void @d()
#[no_mangle]
pub fn d() {}
}
const HIDDEN: () = {
// CHECK: define{{( dso_local)?}} void @e()
#[no_mangle]
fn e() {}
// CHECK: define{{( dso_local)?}} void @f()
#[no_mangle]
pub fn f() {}
};
// The surrounding item should not accidentally become external
// CHECK-LABEL: ; external_no_mangle_fns::x
// CHECK-NEXT: ; Function Attrs:
// CHECK-NEXT: define internal
#[inline(never)]
fn x() {
// CHECK: define{{( dso_local)?}} void @g()
#[no_mangle]
fn g() {
x();
}
// CHECK: define{{( dso_local)?}} void @h()
#[no_mangle]
pub fn h() {}
// side effect to keep `x` around
unsafe {
core::ptr::read_volatile(&42);
}
}
// CHECK: define{{( dso_local)?}} void @i()
#[no_mangle]
#[inline]
fn i() {}
// CHECK: define{{( dso_local)?}} void @j()
#[no_mangle]
#[inline]
pub fn j() {}
// CHECK: define{{( dso_local)?}} void @k()
#[no_mangle]
#[inline(always)]
fn k() {}
// CHECK: define{{( dso_local)?}} void @l()
#[no_mangle]
#[inline(always)]
pub fn l() {}
|
