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Support read_via_copy intrinsic

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This commit is contained in:
hkalbasi 2023-07-09 23:17:51 +03:30
parent c26259bdd1
commit aa52cbf784
2 changed files with 25 additions and 0 deletions
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18
crates/hir-ty/src/consteval/tests/intrinsics.rs
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@ -163,6 +163,24 @@ fn transmute() {
);
}
#[test]
fn read_via_copy() {
check_number(
r#"
extern "rust-intrinsic" {
pub fn read_via_copy<T>(e: *const T) -> T;
pub fn volatile_load<T>(e: *const T) -> T;
}
const GOAL: i32 = {
let x = 2;
read_via_copy(&x) + volatile_load(&x)
};
"#,
4,
);
}
#[test]
fn const_eval_select() {
check_number(