1 files changed, 29 insertions, 0 deletions
diff --git a/tests/codegen/call-llvm-intrinsics.rs b/tests/codegen/call-llvm-intrinsics.rs
new file mode 100644
index 000000000..cb8abae19
--- /dev/null
+++ b/tests/codegen/call-llvm-intrinsics.rs
@@ -0,0 +1,29 @@
+// compile-flags: -C no-prepopulate-passes -Copt-level=0
+
+// ignore-riscv64
+
+#![feature(link_llvm_intrinsics)]
+#![crate_type = "lib"]
+
+struct A;
+
+impl Drop for A {
+    fn drop(&mut self) {
+        println!("A");
+    }
+}
+
+extern "C" {
+    #[link_name = "llvm.sqrt.f32"]
+    fn sqrt(x: f32) -> f32;
+}
+
+pub fn do_call() {
+    let _a = A;
+
+    unsafe {
+        // Ensure that we `call` LLVM intrinsics instead of trying to `invoke` them
+        // CHECK: call float @llvm.sqrt.f32(float 4.000000e+00
+        sqrt(4.0);
+    }
+}