rustc_target/callconv/
amdgpu.rs

1use rustc_abi::{HasDataLayout, TyAbiInterface};
2
3use crate::callconv::{ArgAbi, FnAbi};
4
5fn classify_ret<'a, Ty, C>(_cx: &C, ret: &mut ArgAbi<'a, Ty>)
6where
7    Ty: TyAbiInterface<'a, C> + Copy,
8    C: HasDataLayout,
9{
10    ret.extend_integer_width_to(32);
11}
12
13fn classify_arg<'a, Ty, C>(cx: &C, arg: &mut ArgAbi<'a, Ty>)
14where
15    Ty: TyAbiInterface<'a, C> + Copy,
16    C: HasDataLayout,
17{
18    if arg.layout.pass_indirectly_in_non_rustic_abis(cx) {
19        arg.make_indirect();
20        return;
21    }
22    arg.extend_integer_width_to(32);
23}
24
25pub(crate) fn compute_abi_info<'a, Ty, C>(cx: &C, fn_abi: &mut FnAbi<'a, Ty>)
26where
27    Ty: TyAbiInterface<'a, C> + Copy,
28    C: HasDataLayout,
29{
30    if !fn_abi.ret.is_ignore() {
31        classify_ret(cx, &mut fn_abi.ret);
32    }
33
34    for arg in fn_abi.args.iter_mut() {
35        if arg.is_ignore() {
36            continue;
37        }
38        classify_arg(cx, arg);
39    }
40}