Add codegen test

Author: compiler-errors

tests/codegen/function-arguments.rs

@@ -1,6 +1,7 @@
 // compile-flags: -O -C no-prepopulate-passes
 
 #![crate_type = "lib"]
+#![feature(dyn_star)]
 
 use std::mem::MaybeUninit;
 use std::num::NonZeroU64;
@@ -279,3 +280,9 @@ pub fn enum_id_1(x: Option<Result<u16, u16>>) -> Option<Result<u16, u16>> {
 pub fn enum_id_2(x: Option<u8>) -> Option<u8> {
   x
 }
+
+// CHECK: { {{i8\*|ptr}}, {{i.*\*|ptr}} } @dyn_star({{i8\*|ptr}} noundef %x.0, {{i.*\*|ptr}} noalias noundef readonly align {{.*}} dereferenceable({{.*}}) %x.1)
+#[no_mangle]
+pub fn dyn_star(x: dyn* Drop) -> dyn* Drop {
+  x
+}

tests/ui/llvm-old-style-ptrs.rs

@@ -7,13 +7,13 @@
 
 // This test can be removed once non-opaque pointers are gone from LLVM, maybe.
 
-#![feature(dyn_star, pointer_sized_trait)]
+#![feature(dyn_star, pointer_like_trait)]
 #![allow(incomplete_features)]
 
 use std::fmt::Debug;
-use std::marker::PointerSized;
+use std::marker::PointerLike;
 
-fn make_dyn_star<'a>(t: impl PointerSized + Debug + 'a) -> dyn* Debug + 'a {
+fn make_dyn_star<'a>(t: impl PointerLike + Debug + 'a) -> dyn* Debug + 'a {
     t as _
 }