Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 16 insertions, 0 deletions

diff --git a/tests/assembly/asm/aarch64-outline-atomics.rs b/tests/assembly/asm/aarch64-outline-atomics.rs
new file mode 100644
index 000000000..c2ec4e911
--- /dev/null
+++ b/tests/assembly/asm/aarch64-outline-atomics.rs
@@ -0,0 +1,16 @@
+// assembly-output: emit-asm
+// compile-flags: -O
+// compile-flags: --target aarch64-unknown-linux-gnu
+// needs-llvm-components: aarch64
+// only-aarch64
+// only-linux
+
+#![crate_type = "rlib"]
+
+use std::sync::atomic::{AtomicI32, Ordering::*};
+
+pub fn compare_exchange(a: &AtomicI32) {
+    // On AArch64 LLVM should outline atomic operations.
+    // CHECK: __aarch64_cas4_relax
+    let _ = a.compare_exchange(0, 10, Relaxed, Relaxed);
+}