[SYCL][NATIVECPU][CI] Enable Native CPU without OCK on linux build

.github/workflows/sycl-linux-build.yml

@@ -28,7 +28,7 @@ on:
       build_configure_extra_args:
         type: string
         required: false
-        default: "--hip --cuda"
+        default: "--hip --cuda --native_cpu"
       build_artifact_suffix:
         type: string
         required: true
@@ -82,7 +82,7 @@ on:
       build_configure_extra_args:
         type: choice
         options:
-          - "--hip --cuda"
+          - "--hip --cuda --native_cpu"
       # Cache properties need to match CC/CXX/CMake opts. Any additional choices
       # would need extra care.
       build_cache_root:
@@ -168,6 +168,7 @@ jobs:
           --cmake-opt=-DCMAKE_C_COMPILER_LAUNCHER=ccache \
           --cmake-opt=-DCMAKE_CXX_COMPILER_LAUNCHER=ccache \
           --cmake-opt="-DLLVM_INSTALL_UTILS=ON" \
+          --cmake-opt="-DNATIVECPU_USE_OCK=Off" \
           --cmake-opt="-DSYCL_PI_TESTS=OFF"
     - name: Compile
       id: build

.github/workflows/sycl-post-commit.yml

@@ -30,7 +30,7 @@ jobs:
       build_cache_root: "/__w/llvm"
       build_cache_suffix: sprod_shared
       build_artifact_suffix: sprod_shared
-      build_configure_extra_args: --shared-libs --no-assertions --hip --cuda --cmake-opt="-DSYCL_ENABLE_STACK_PRINTING=ON" --cmake-opt="-DSYCL_LIB_WITH_DEBUG_SYMBOL=ON"
+      build_configure_extra_args: --shared-libs --no-assertions --hip --cuda --native_cpu --cmake-opt="-DSYCL_ENABLE_STACK_PRINTING=ON" --cmake-opt="-DSYCL_LIB_WITH_DEBUG_SYMBOL=ON"
       # Docker image has last nightly pre-installed and added to the PATH
       build_image: "ghcr.io/intel/llvm/sycl_ubuntu2204_nightly:build"
       cc: clang

sycl/test-e2e/PerformanceTests/Reduction/reduce_over_sub_group.cpp

@@ -1,3 +1,4 @@
+// XFAIL: native_cpu
 // RUN: %{build} -o %t.out
 // RUN: %{run} %t.out