[MLIR][Standalone] test Standalone against install distributions

Author: makslevental

mlir/test/Examples/standalone/lit.local.cfg

@@ -11,3 +11,5 @@ config.substitutions.append(("%enable_libcxx", config.enable_libcxx))
 config.substitutions.append(("%mlir_cmake_dir", config.mlir_cmake_dir))
 config.substitutions.append(("%llvm_use_linker", config.llvm_use_linker))
 config.substitutions.append(("%cmake_build_type", config.cmake_build_type))
+config.substitutions.append(("%llvm_obj_root", config.llvm_obj_root))
+config.substitutions.append(("%host_cmake_install_prefix", config.host_cmake_install_prefix))

mlir/test/Examples/standalone/test.toy.install-dir

@@ -0,0 +1,16 @@
+# REQUIRES: github-actions
+# RUN: "%cmake_exe" --build %llvm_obj_root --target install
+# RUN: "%cmake_exe" "%mlir_src_root/examples/standalone" -G "%cmake_generator" \
+# RUN: -DCMAKE_CXX_COMPILER=%host_cxx -DCMAKE_C_COMPILER=%host_cc \
+# RUN: -DLLVM_ENABLE_LIBCXX=%enable_libcxx -DMLIR_DIR=%host_cmake_install_prefix \
+# RUN: -DLLVM_USE_LINKER=%llvm_use_linker \
+# RUN: -DPython3_EXECUTABLE=%python \
+# RUN: -DPython_EXECUTABLE=%python
+# RUN: "%cmake_exe" --build . --target check-standalone | tee %t
+# RUN: FileCheck --input-file=%t %s
+
+# Note: The number of checked tests is not important. The command will fail
+# if any fail.
+# CHECK: Passed
+# CHECK-NOT: Failed
+# UNSUPPORTED: target={{.*(windows|android).*}}

mlir/test/lit.cfg.py

@@ -383,3 +383,6 @@ def have_host_jit_feature_support(feature_name):
 
 if sys.version_info >= (3, 11):
     config.available_features.add("python-ge-311")
+
+if "GITHUB_ACTIONS" in os.environ:
+    config.available_features.add("github-actions")

mlir/test/lit.site.cfg.py.in

@@ -19,6 +19,7 @@ config.enable_libcxx = "@LLVM_ENABLE_LIBCXX@"
 config.host_cmake = "@CMAKE_COMMAND@"
 config.host_cmake_generator = "@CMAKE_GENERATOR@"
 config.cmake_build_type = "@CMAKE_BUILD_TYPE@"
+config.host_cmake_install_prefix = "@CMAKE_INSTALL_PREFIX@"
 config.llvm_use_linker = "@LLVM_USE_LINKER@"
 config.llvm_use_sanitizer = "@LLVM_USE_SANITIZER@"
 config.host_arch = "@HOST_ARCH@"