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rust/tests/codegen/noalias-box-off.rs

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Add flag to configure `noalias` on `Box<T>` To aid making an informed decision about the aliasing rules of box, give users an option to remove `noalias` from box.
2022-07-19 00:17:27 +08:00
//@ compile-flags: -O -Z box-noalias=no
#![crate_type = "lib"]
// CHECK-LABEL: @box_should_not_have_noalias_if_disabled(
make noalias-box-off filecheck more precise The CHECK, -NOT, -SAME pattern ensures that the `CHECK-NOT: noalias` is limited to only one line, and won't match unrelated lines further down in the file. Explicit drop call added to preserve the `foo` argument name, since names of unused arguments are not preserved.
2023-05-21 07:41:28 +08:00
// CHECK-NOT: noalias
// CHECK-SAME: %foo)
Add flag to configure `noalias` on `Box<T>` To aid making an informed decision about the aliasing rules of box, give users an option to remove `noalias` from box.
2022-07-19 00:17:27 +08:00
#[no_mangle]
make noalias-box-off filecheck more precise The CHECK, -NOT, -SAME pattern ensures that the `CHECK-NOT: noalias` is limited to only one line, and won't match unrelated lines further down in the file. Explicit drop call added to preserve the `foo` argument name, since names of unused arguments are not preserved.
2023-05-21 07:41:28 +08:00
pub fn box_should_not_have_noalias_if_disabled(foo: Box<u8>) {
drop(foo);
}