[UR][Offload] Quick CTS running for Offload

It is non-trivial which binary format (spir, ptx, amdhsa) is accepted by
a given offload device. This should be fixed properly in the future, but
for now let the user specify it via an environment variable.

Author: RossBrunton

test/conformance/CMakeLists.txt

@@ -125,10 +125,10 @@ if(UR_DPCXX)
     file(MAKE_DIRECTORY ${UR_CONFORMANCE_DEVICE_BINARIES_DIR})
 
     if("${UR_CONFORMANCE_TARGET_TRIPLES}" STREQUAL "")
-        if(UR_BUILD_ADAPTER_L0 OR UR_BUILD_ADAPTER_L0_V2 OR UR_BUILD_ADAPTER_OPENCL OR UR_BUILD_ADAPTER_ALL)
+        if(UR_BUILD_ADAPTER_L0 OR UR_BUILD_ADAPTER_OFFLOAD OR UR_BUILD_ADAPTER_L0_V2 OR UR_BUILD_ADAPTER_OPENCL OR UR_BUILD_ADAPTER_ALL)
             list(APPEND TARGET_TRIPLES "spir64")
         endif()
-        if(UR_BUILD_ADAPTER_CUDA OR UR_BUILD_ADAPTER_ALL)
+        if(UR_BUILD_ADAPTER_CUDA OR UR_BUILD_ADAPTER_OFFLOAD OR UR_BUILD_ADAPTER_ALL)
             list(APPEND TARGET_TRIPLES "nvptx64-nvidia-cuda")
         endif()
         if(UR_BUILD_ADAPTER_HIP OR UR_BUILD_ADAPTER_OFFLOAD OR UR_BUILD_ADAPTER_ALL)

test/conformance/platform/urPlatformGetInfo.cpp

@@ -106,7 +106,7 @@ TEST_P(urPlatformGetInfoTest, SuccessBackend) {
                                    &property_value, nullptr));
 
   ASSERT_TRUE(property_value >= UR_PLATFORM_BACKEND_LEVEL_ZERO &&
-              property_value <= UR_PLATFORM_BACKEND_NATIVE_CPU);
+              property_value <= UR_PLATFORM_BACKEND_OFFLOAD);
 }
 
 TEST_P(urPlatformGetInfoTest, SuccessAdapter) {

test/conformance/source/environment.cpp

@@ -215,6 +215,16 @@ std::string KernelsEnvironment::getTargetName(ur_platform_handle_t platform) {
     return "nvptx64-nvidia-cuda";
   case UR_PLATFORM_BACKEND_HIP:
     return "amdgcn-amd-amdhsa";
+  case UR_PLATFORM_BACKEND_OFFLOAD: {
+    // TODO: In future this should use urDeviceSelectBinary
+    auto result = ur_getenv("UR_OFFLOAD_TARGET_NAME");
+    if (!result) {
+      error = "For offload testing, please specify a target in "
+              "`UR_OFFLOAD_TARGET_NAME`";
+      return {};
+    }
+    return *result;
+  }
   case UR_PLATFORM_BACKEND_NATIVE_CPU:
     error = "native_cpu doesn't support kernel tests yet";
     return {};
@@ -297,7 +307,8 @@ void KernelsEnvironment::CreateProgram(
                                    sizeof(ur_platform_backend_t), &backend,
                                    nullptr));
   if (backend == UR_PLATFORM_BACKEND_HIP ||
-      backend == UR_PLATFORM_BACKEND_CUDA) {
+      backend == UR_PLATFORM_BACKEND_CUDA ||
+      backend == UR_PLATFORM_BACKEND_OFFLOAD) {
     // The CUDA and HIP adapters do not support urProgramCreateWithIL so we
     // need to use urProgramCreateWithBinary instead.
     auto size = binary.size();