Add test for amdgpu kernel descriptor

Add a test that checks that the .kd symbol is exported for gpu kernels.

Author: Flakebi

tests/run-make/amdgpu-kd/foo.rs

@@ -0,0 +1,11 @@
+#![allow(internal_features)]
+#![feature(no_core, lang_items, abi_gpu_kernel)]
+#![no_core]
+#![no_std]
+
+// This is needed because of #![no_core]:
+#[lang = "sized"]
+trait Sized {}
+
+#[no_mangle]
+extern "gpu-kernel" fn kernel() {}

tests/run-make/amdgpu-kd/rmake.rs

@@ -0,0 +1,14 @@
+// Checks that the produced object has the .kd symbol exported.
+
+use run_make_support::{cmd, dynamic_lib_name, llvm_readobj, run_in_tmpdir, rustc};
+
+fn main() {
+    rustc()
+        .crate_name("foo")
+        .target("amdgcn-amd-amdhsa")
+        .arg("-Ctarget-cpu=gfx900")
+        .crate_type("cdylib")
+        .input("foo.rs")
+        .run();
+    llvm_readobj().input("foo.elf").symbols().run().assert_stdout_contains("kernel.kd");
+}