From cf2dff2b1e3fa55fa5415d524200070d0d7aacfe Mon Sep 17 00:00:00 2001
From: Albert Larsan <74931857+albertlarsan68@users.noreply.github.com>
Date: Thu, 5 Jan 2023 09:13:28 +0100
Subject: Move /src/test to /tests

---
 tests/codegen/c-variadic-copy.rs | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 tests/codegen/c-variadic-copy.rs

(limited to 'tests/codegen/c-variadic-copy.rs')

diff --git a/tests/codegen/c-variadic-copy.rs b/tests/codegen/c-variadic-copy.rs
new file mode 100644
index 00000000000..4c61c4fcf68
--- /dev/null
+++ b/tests/codegen/c-variadic-copy.rs
@@ -0,0 +1,16 @@
+// Tests that `VaListImpl::clone` gets inlined into a call to `llvm.va_copy`
+
+#![crate_type = "lib"]
+#![feature(c_variadic)]
+#![no_std]
+use core::ffi::VaList;
+
+extern "C" {
+    fn foreign_c_variadic_1(_: VaList, ...);
+}
+
+pub unsafe extern "C" fn clone_variadic(ap: VaList) {
+    let mut ap2 = ap.clone();
+    // CHECK: call void @llvm.va_copy
+    foreign_c_variadic_1(ap2.as_va_list(), 42i32);
+}
-- 
cgit 1.4.1-3-g733a5