Use --filter option with lit. Adress comments

Author: scentini

test/CMakeLists.txt

@@ -113,35 +113,25 @@ function(get_test_dependencies SDK result_var_name)
   set("${result_var_name}" "${deps}" PARENT_SCOPE)
 endfunction()
 
-function (write_component_test_script test_bin_dir component_suffix component_default_value)
+function (write_component_test_script test_bin_dir component_name)
   file(
     WRITE
-    ${test_bin_dir}/check-swift-${component_suffix}.sh
-	  "source_test_dir=\"${SWIFT_SOURCE_DIR}/test\"
-bin_test_dir=\"${test_bin_dir}\"
-default_component=\"${component_default_value}\"
-
-dirs_to_test=$(find "\${source_test_dir}"  -type f -name \"*${component_suffix}*\" | grep -o \"\\(.*\\)/\")
-dirs_to_test+=(\${source_test_dir}/\${default_component})
-dirs_to_test=$(echo \${dirs_to_test} | tr ' ' '\\n' | sort -u)
-
-for directory in \${dirs_to_test}
-do
-    rel_path="\${directory\#\"\${source_test_dir}\"}"
-    ${PYTHON_EXECUTABLE} ${LIT} \${bin_test_dir}\${rel_path}
-done\n")
+    ${test_bin_dir}/check-swift-${component_name}.sh
+    "${PYTHON_EXECUTABLE} ${LIT} \\
+    ${test_bin_dir}/ \\
+    --filter=${component_name}\n")
 
   file(
     INSTALL
-    ${test_bin_dir}/check-swift-${component_suffix}.sh
+    ${test_bin_dir}/check-swift-${component_name}.sh
     DESTINATION ${test_bin_dir}/../test
     FILE_PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ
       GROUP_EXECUTE WORLD_READ WORLD_EXECUTE
   )
 
   file(
     REMOVE
-    ${test_bin_dir}/check-swift-${component_suffix}.sh
+    ${test_bin_dir}/check-swift-${component_name}.sh
   )
 
 endfunction()
@@ -467,10 +457,11 @@ _Block_release(void) { }\n")
             PROPERTY FOLDER "Tests/check-swift")
       endforeach()
     endforeach()
-
-    write_component_test_script("${test_bin_dir}" "irgen" "IRGen" )
-    write_component_test_script("${test_bin_dir}" "silgen" "SILGen")
-    write_component_test_script("${test_bin_dir}" "typecheck" "Sema")
+    if(NOT "${SDK}" STREQUAL "WINDOWS")
+      write_component_test_script("${test_bin_dir}" "irgen")
+      write_component_test_script("${test_bin_dir}" "silgen")
+      write_component_test_script("${test_bin_dir}" "sema")
+    endif()
   endforeach()
   endforeach()
 endforeach()