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
|
//@ compile-flags: -O
#![feature(core_intrinsics)]
#![crate_type = "lib"]
#[no_mangle]
pub fn test_int(p: bool, a: u64, b: u64) -> u64 {
// CHECK-LABEL: define{{.*}} @test_int
// CHECK: select i1 %p, i64 %a, i64 %b, !unpredictable
core::intrinsics::select_unpredictable(p, a, b)
}
#[no_mangle]
pub fn test_pair(p: bool, a: (u64, u64), b: (u64, u64)) -> (u64, u64) {
// CHECK-LABEL: define{{.*}} @test_pair
// CHECK: select i1 %p, {{.*}}, !unpredictable
core::intrinsics::select_unpredictable(p, a, b)
}
struct Large {
e: [u64; 100],
}
#[no_mangle]
pub fn test_struct(p: bool, a: Large, b: Large) -> Large {
// CHECK-LABEL: define{{.*}} @test_struct
// CHECK: select i1 %p, {{.*}}, !unpredictable
core::intrinsics::select_unpredictable(p, a, b)
}
#[no_mangle]
pub fn test_zst(p: bool, a: (), b: ()) -> () {
// CHECK-LABEL: define{{.*}} @test_zst
core::intrinsics::select_unpredictable(p, a, b)
}
|
