From c3000ad3baf4c135abc5740c09f726a8862c2ac3 Mon Sep 17 00:00:00 2001
From: jdonszelmann <jonabent@gmail.com>
Date: Thu, 22 Aug 2024 19:48:39 +0200
Subject: add repr to the allowlist for naked functions, and test that it works

---
 tests/codegen/naked-fn/aligned.rs | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 tests/codegen/naked-fn/aligned.rs

(limited to 'tests/codegen')

diff --git a/tests/codegen/naked-fn/aligned.rs b/tests/codegen/naked-fn/aligned.rs
new file mode 100644
index 00000000000..d5faac44836
--- /dev/null
+++ b/tests/codegen/naked-fn/aligned.rs
@@ -0,0 +1,20 @@
+//@ compile-flags: -C no-prepopulate-passes -Copt-level=0
+//@ needs-asm-support
+//@ ignore-arm no "ret" mnemonic
+
+#![crate_type = "lib"]
+#![feature(naked_functions, fn_align)]
+use std::arch::asm;
+
+// CHECK: Function Attrs: naked
+// CHECK-NEXT: define{{.*}}void @naked_empty()
+// CHECK: align 16
+#[repr(align(16))]
+#[no_mangle]
+#[naked]
+pub unsafe extern "C" fn naked_empty() {
+    // CHECK-NEXT: start:
+    // CHECK-NEXT: call void asm
+    // CHECK-NEXT: unreachable
+    asm!("ret", options(noreturn));
+}
-- 
cgit 1.4.1-3-g733a5