From 25543ac0a149469fa6d06c58a8e4e00df7093b38 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Aleix=20Bon=C3=A9?= <aleix.boneribo@bsc.es>
Date: Fri, 6 Jun 2025 11:02:55 +0200
Subject: [PATCH] Add test for icpx with ompss-2 as host compiler

---
 overlay.nix                    |  1 +
 test/compilers/icpx-ompss2.nix | 74 ++++++++++++++++++++++++++++++++++
 2 files changed, 75 insertions(+)
 create mode 100644 test/compilers/icpx-ompss2.nix

diff --git a/overlay.nix b/overlay.nix
index e1b78059..5603e329 100644
--- a/overlay.nix
+++ b/overlay.nix
@@ -71,6 +71,7 @@ let
     hello-c = callPackage ./test/compilers/hello-c.nix { };
     hello-cpp = callPackage ./test/compilers/hello-cpp.nix { };
     hello-sycl = callPackage ./test/compilers/hello-sycl.nix { };
+    hello-syclompss = callPackage ./test/compilers/icpx-ompss2.nix { };
     lto = callPackage ./test/compilers/lto.nix { };
     asan = callPackage ./test/compilers/asan.nix { };
     intel2023-icx-c   = hello-c.override   { stdenv = final.intelPackages_2023.stdenv; };
diff --git a/test/compilers/icpx-ompss2.nix b/test/compilers/icpx-ompss2.nix
new file mode 100644
index 00000000..d7560f72
--- /dev/null
+++ b/test/compilers/icpx-ompss2.nix
@@ -0,0 +1,74 @@
+{ writeText, intelPackages, nodes, nosv, clangOmpss2Nodes, clangOmpss2Unwrapped, clangOmpss2, strace }:
+
+let
+  hello_cpp = writeText "hello.cpp" ''
+    #include <cstdio>
+    #include <sycl/sycl.hpp>
+
+    int main(int argc, char** argv) try {
+        sycl::queue queue;
+
+        std::cout << "Running on: "
+                  << queue.get_device().get_info<sycl::info::device::name>()
+                  << std::endl;
+
+        #pragma oss task
+        queue.submit([&] (sycl::handler& cgh) {
+            auto os = sycl::stream{128, 128, cgh};
+            cgh.single_task<class hello_world>([=]() {
+                os << "Hello World! (on device)\n";
+            });
+        }).wait();
+
+        return 0;
+    } catch (sycl::exception &e) {
+        std::cout << "SYCL exception: " << e.what() << std::endl;
+        return 0; // we expect to fail since no devices should be available;
+    }
+
+  '';
+in
+
+intelPackages.stdenv.mkDerivation {
+  version = "0.0.1";
+  name = "hello-syclompss";
+
+  src = hello_cpp;
+
+  nativeBuildInputs = [
+    strace
+    nodes
+    nosv
+  ];
+
+  dontUnpack = true;
+  dontConfigure = true;
+
+  # NODES requires access to /sys/devices to request NUMA information
+  requiredSystemFeatures = [ "sys-devices" ];
+
+  env.NODES_HOME = nodes;
+
+  NIX_DEBUG = 1;
+  buildPhase = ''
+    cp $src hello.cpp
+    set -x
+    echo CXX=$CXX
+    echo NODES_HOME=$NODES_HOME
+    command -v $CXX
+
+    icpx -Wno-deprecated-declarations -fsycl \
+        -fsycl-host-compiler=${clangOmpss2Nodes}/bin/clang++ \
+        -fsycl-host-compiler-options='-Wno-deprecated-declarations -fompss-2=libnodes' \
+        -lnodes -lnosv \
+        $NODES_HOME/lib/nodes-main-wrapper.o \
+        hello.cpp -o hello
+
+    ./hello
+    set +x
+  '';
+
+  installPhase = ''
+    touch $out
+  '';
+}