Use clang-cl for Windows SYCL build

Author: allnes

.github/workflows/sycl-ci.yml

@@ -214,8 +214,13 @@ jobs:
           if ($LASTEXITCODE -ne 0) { exit $LASTEXITCODE }
         }
 
-        "ITLABAI_CC=$llvmDir/bin/clang.exe" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append
-        "ITLABAI_CXX=$llvmDir/bin/clang++.exe" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append
+        $projectCc = Join-Path $llvmDir 'bin/clang-cl.exe'
+        if (-not (Test-Path $projectCc)) {
+          $projectCc = 'clang-cl.exe'
+        }
+
+        "ITLABAI_CC=$projectCc" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append
+        "ITLABAI_CXX=$projectCc" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append
         "ITLABAI_CMAKE_PREFIX_PATH=$installDir" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append
         "ITLABAI_OPENMP_ROOT=$llvmDir" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append
         'ACPP_TARGETS=omp.library-only' | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append