--- /dev/null
+use crate::abi::call::{ArgAbi, FnAbi};
+
+fn classify_ret<Ty>(ret: &mut ArgAbi<'_, Ty>) {
+ if ret.layout.is_aggregate() {
+ ret.make_indirect();
+ } else {
+ ret.extend_integer_width_to(32);
+ }
+}
+
+fn classify_arg<Ty>(arg: &mut ArgAbi<'_, Ty>) {
+ if arg.layout.is_aggregate() {
+ arg.make_indirect_byval();
+ } else {
+ arg.extend_integer_width_to(32);
+ }
+}
+
+pub fn compute_abi_info<Ty>(fn_abi: &mut FnAbi<'_, Ty>) {
+ if !fn_abi.ret.is_ignore() {
+ classify_ret(&mut fn_abi.ret);
+ }
+
+ for arg in &mut fn_abi.args {
+ if arg.is_ignore() {
+ continue;
+ }
+ classify_arg(arg);
+ }
+}