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-rw-r--r--src/test/assembly/asm/aarch64-outline-atomics.rs16
1 files changed, 16 insertions, 0 deletions
diff --git a/src/test/assembly/asm/aarch64-outline-atomics.rs b/src/test/assembly/asm/aarch64-outline-atomics.rs
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+++ b/src/test/assembly/asm/aarch64-outline-atomics.rs
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+// 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);
+}