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// compile-flags: -O -Ccodegen-units=1
#![crate_type = "lib"]
#[repr(i64)]
pub enum Boolean {
False = 0,
True = 1,
}
impl Clone for Boolean {
fn clone(&self) -> Self {
*self
}
}
impl Copy for Boolean {}
extern "C" {
fn set_value(foo: *mut i64);
fn bar();
}
pub fn foo(x: bool) {
let mut foo = core::mem::MaybeUninit::<i64>::uninit();
unsafe {
set_value(foo.as_mut_ptr());
}
if x {
let l1 = unsafe { *foo.as_mut_ptr().cast::<Boolean>() };
if matches!(l1, Boolean::False) {
unsafe {
*foo.as_mut_ptr() = 0;
}
}
}
let l2 = unsafe { *foo.as_mut_ptr() };
if l2 == 2 {
// CHECK: call void @bar
unsafe {
bar();
}
}
}
|
