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
|
// compile-flags: -O -C no-prepopulate-passes
//
// ignore-arm
// ignore-aarch64
// ignore-mips
// ignore-mips64
// ignore-powerpc
// ignore-powerpc64
// ignore-riscv64 see codegen/riscv-abi
// ignore-s390x
// ignore-windows
// ignore-loongarch64
// See repr-transparent.rs
#![feature(transparent_unions)]
#![crate_type="lib"]
#[derive(Clone, Copy)]
#[repr(C)]
pub struct BigS([u32; 16]);
#[repr(transparent)]
pub struct TsBigS(BigS);
#[repr(transparent)]
pub union TuBigS {
field: BigS,
}
#[repr(transparent)]
pub enum TeBigS {
Variant(BigS),
}
// CHECK: define{{.*}}void @test_BigS({{%BigS\*|ptr}} [[BIGS_RET_ATTRS1:.*]] sret(%BigS) [[BIGS_RET_ATTRS2:.*]], {{%BigS\*|ptr}} [[BIGS_ARG_ATTRS1:.*]] byval(%BigS) [[BIGS_ARG_ATTRS2:.*]])
#[no_mangle]
pub extern "C" fn test_BigS(_: BigS) -> BigS { loop {} }
// CHECK: define{{.*}}void @test_TsBigS({{%TsBigS\*|ptr}} [[BIGS_RET_ATTRS1]] sret(%TsBigS) [[BIGS_RET_ATTRS2]], {{%TsBigS\*|ptr}} [[BIGS_ARG_ATTRS1]] byval(%TsBigS) [[BIGS_ARG_ATTRS2:.*]])
#[no_mangle]
pub extern "C" fn test_TsBigS(_: TsBigS) -> TsBigS { loop {} }
// CHECK: define{{.*}}void @test_TuBigS({{%TuBigS\*|ptr}} [[BIGS_RET_ATTRS1]] sret(%TuBigS) [[BIGS_RET_ATTRS2]], {{%TuBigS\*|ptr}} [[BIGS_ARG_ATTRS1]] byval(%TuBigS) [[BIGS_ARG_ATTRS2:.*]])
#[no_mangle]
pub extern "C" fn test_TuBigS(_: TuBigS) -> TuBigS { loop {} }
// CHECK: define{{.*}}void @test_TeBigS({{%"TeBigS::Variant"\*|ptr}} [[BIGS_RET_ATTRS1]] sret(%"TeBigS::Variant") [[BIGS_RET_ATTRS2]], {{%"TeBigS::Variant"\*|ptr}} [[BIGS_ARG_ATTRS1]] byval(%"TeBigS::Variant") [[BIGS_ARG_ATTRS2]])
#[no_mangle]
pub extern "C" fn test_TeBigS(_: TeBigS) -> TeBigS { loop {} }
#[derive(Clone, Copy)]
#[repr(C)]
pub union BigU {
foo: [u32; 16],
}
#[repr(transparent)]
pub struct TsBigU(BigU);
#[repr(transparent)]
pub union TuBigU {
field: BigU,
}
#[repr(transparent)]
pub enum TeBigU {
Variant(BigU),
}
// CHECK: define{{.*}}void @test_BigU({{%BigU\*|ptr}} [[BIGU_RET_ATTRS1:.*]] sret(%BigU) [[BIGU_RET_ATTRS2:.*]], {{%BigU\*|ptr}} [[BIGU_ARG_ATTRS1:.*]] byval(%BigU) [[BIGU_ARG_ATTRS2:.*]])
#[no_mangle]
pub extern "C" fn test_BigU(_: BigU) -> BigU { loop {} }
// CHECK: define{{.*}}void @test_TsBigU({{%TsBigU\*|ptr}} [[BIGU_RET_ATTRS1:.*]] sret(%TsBigU) [[BIGU_RET_ATTRS2:.*]], {{%TsBigU\*|ptr}} [[BIGU_ARG_ATTRS1]] byval(%TsBigU) [[BIGU_ARG_ATTRS2]])
#[no_mangle]
pub extern "C" fn test_TsBigU(_: TsBigU) -> TsBigU { loop {} }
// CHECK: define{{.*}}void @test_TuBigU({{%TuBigU\*|ptr}} [[BIGU_RET_ATTRS1]] sret(%TuBigU) [[BIGU_RET_ATTRS2:.*]], {{%TuBigU\*|ptr}} [[BIGU_ARG_ATTRS1]] byval(%TuBigU) [[BIGU_ARG_ATTRS2]])
#[no_mangle]
pub extern "C" fn test_TuBigU(_: TuBigU) -> TuBigU { loop {} }
// CHECK: define{{.*}}void @test_TeBigU({{%"TeBigU::Variant"\*|ptr}} [[BIGU_RET_ATTRS1]] sret(%"TeBigU::Variant") [[BIGU_RET_ATTRS2:.*]], {{%"TeBigU::Variant"\*|ptr}} [[BIGU_ARG_ATTRS1]] byval(%"TeBigU::Variant") [[BIGU_ARG_ATTRS2]])
#[no_mangle]
pub extern "C" fn test_TeBigU(_: TeBigU) -> TeBigU { loop {} }
|