TEST: Define and use llvm_py as backend

Author: ubaidsk

.github/workflows/CI.yml

@@ -396,8 +396,8 @@ jobs:
         shell: bash -e -l {0}
         run: |
             cd integration_tests
-            ./run_tests.py -b cpython c_py
-            ./run_tests.py -b cpython c_py -f
+            ./run_tests.py -b cpython c_py llvm_py
+            ./run_tests.py -b cpython c_py llvm_py -f
 
   sympy:
     name: Run SymPy tests

integration_tests/CMakeLists.txt

@@ -106,6 +106,23 @@ macro(RUN_UTIL RUN_FAIL RUN_NAME RUN_FILE_NAME RUN_LABELS RUN_EXTRAFILES RUN_EXT
             if (${fail})
                 set_tests_properties(${name} PROPERTIES WILL_FAIL TRUE)
             endif()
+        elseif (KIND STREQUAL "llvm_py")
+            add_custom_command(
+                OUTPUT ${name}.o
+                COMMAND ${LPYTHON} -c ${extra_args} ${CMAKE_CURRENT_SOURCE_DIR}/${file_name}.py -o ${name}.o
+                DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${file_name}.py
+                VERBATIM)
+            add_executable(${name} ${name}.o ${extra_files})
+            target_include_directories(${name} PRIVATE ${CMAKE_SOURCE_DIR} ${NUMPY_INCLUDE_DIR})
+            set_target_properties(${name} PROPERTIES LINKER_LANGUAGE C)
+            target_link_libraries(${name} lpython_rtlib Python::Python)
+            add_test(${name} ${CMAKE_CURRENT_BINARY_DIR}/${name})
+            if (labels)
+                set_tests_properties(${name} PROPERTIES LABELS "${labels}")
+            endif()
+            if (${fail})
+                set_tests_properties(${name} PROPERTIES WILL_FAIL TRUE)
+            endif()
         elseif(KIND STREQUAL "llvm_sym")
             add_custom_command(
                 OUTPUT ${name}.o

integration_tests/run_tests.py

@@ -6,7 +6,7 @@
 
 # Initialization
 DEFAULT_THREADS_TO_USE = 8 # default no of threads is 8
-SUPPORTED_BACKENDS = ['llvm', 'c', 'wasm', 'cpython', 'x86', 'wasm_x86', 'wasm_x64', 'c_py', 'c_sym', 'cpython_sym', 'llvm_sym']
+SUPPORTED_BACKENDS = ['llvm', 'c', 'wasm', 'cpython', 'x86', 'wasm_x86', 'wasm_x64', 'c_py', 'c_sym', 'cpython_sym', 'llvm_sym', 'llvm_py']
 BASE_DIR = os.path.dirname(os.path.realpath(__file__))
 LPYTHON_PATH = f"{BASE_DIR}/../src/bin"
 
@@ -62,7 +62,7 @@ def main():
     DEFAULT_THREADS_TO_USE = args.no_of_threads or DEFAULT_THREADS_TO_USE
     fast_tests = "yes" if args.fast else "no"
     for backend in args.backends:
-        python_libs_req = "yes" if backend in ["c_py", "c_sym", "llvm_sym"] else "no"
+        python_libs_req = "yes" if backend in ["c_py", "c_sym", "llvm_sym", 'llvm_py'] else "no"
         test_backend(backend)