From 37e8e0571279265f8abfdd9dd93fbc58677029df Mon Sep 17 00:00:00 2001
From: Tom Eccles <tom.eccles@codethink.co.uk>
Date: Thu, 4 Jun 2020 11:13:52 +0100
Subject: [PATCH] test: codegen: Add riscv abi llvm intrinsics test

---
 src/test/codegen/call-llvm-intrinsics.rs      |  2 ++
 .../codegen/riscv-abi/call-llvm-intrinsics.rs | 30 +++++++++++++++++++
 2 files changed, 32 insertions(+)
 create mode 100644 src/test/codegen/riscv-abi/call-llvm-intrinsics.rs

diff --git a/src/test/codegen/call-llvm-intrinsics.rs b/src/test/codegen/call-llvm-intrinsics.rs
index c7a464a9b0e..24e3d3cd64b 100644
--- a/src/test/codegen/call-llvm-intrinsics.rs
+++ b/src/test/codegen/call-llvm-intrinsics.rs
@@ -1,5 +1,7 @@
 // compile-flags: -C no-prepopulate-passes
 
+// ignore-riscv64
+
 #![feature(link_llvm_intrinsics)]
 #![crate_type = "lib"]
 
diff --git a/src/test/codegen/riscv-abi/call-llvm-intrinsics.rs b/src/test/codegen/riscv-abi/call-llvm-intrinsics.rs
new file mode 100644
index 00000000000..f100a23a318
--- /dev/null
+++ b/src/test/codegen/riscv-abi/call-llvm-intrinsics.rs
@@ -0,0 +1,30 @@
+// compile-flags: -C no-prepopulate-passes
+
+// only-riscv64
+
+#![feature(link_llvm_intrinsics)]
+#![crate_type = "lib"]
+
+struct A;
+
+impl Drop for A {
+    fn drop(&mut self) {
+        println!("A");
+    }
+}
+
+extern {
+    #[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: store float 4.000000e+00, float* %{{.}}, align 4
+        // CHECK: call float @llvm.sqrt.f32(float %{{.}}
+        sqrt(4.0);
+    }
+}