[lldb] Add targets for running test suite against Watch/TV/iPhone simulators

[teemperor]

Summary

This patch adds several build system targets that run the normal test suite but
against the Watch/TV/iPhone simulators.

lldb/test/API/lit.cfg.py

 if lldb_repro_mode:
   lit_config.note("Running API tests in {} mode.".format(lldb_repro_mode))
   mkdir_p(config.lldb_reproducer_directory)
   if lldb_repro_mode == 'capture':
     config.available_features.add('lldb-repro-capture')
   elif lldb_repro_mode == 'replay':
     config.available_features.add('lldb-repro-replay')
 
+lldb_use_simulator = lit_config.params.get('lldb-run-with-simulator', None)
+if lldb_use_simulator:
+  if lldb_use_simulator == "ios":
+    lit_config.note("Running API tests on iOS simulator")
+    config.available_features.add('lldb-simulator-ios')
+  elif lldb_use_simulator == "watchos":
+    lit_config.note("Running API tests on watchOS simulator")
+    config.available_features.add('lldb-simulator-watchos')
+  elif lldb_use_simulator == "tvos":
+    lit_config.note("Running API tests on tvOS simulator")
+    config.available_features.add('lldb-simulator-tvos')
+  else:
+    lit_config.error("Unknown simulator id '{}'".format(lldb_use_simulator))
+
 # Set a default per-test timeout of 10 minutes. Setting a timeout per test
 # requires that killProcessAndChildren() is supported on the platform and
 # lit complains if the value is set but it is not supported.
 supported, errormsg = lit_config.maxIndividualTestTimeIsSupported
 if supported:
   lit_config.maxIndividualTestTime = 600
 else:
   lit_config.warning("Could not set a default per-test timeout. " + errormsg)

 
 if is_configured('lldb_framework_dir'):
   dotest_cmd += ['--framework', config.lldb_framework_dir]
 
 if 'lldb-repro-capture' in config.available_features or \
     'lldb-repro-replay' in config.available_features:
   dotest_cmd += ['--skip-category=lldb-vscode', '--skip-category=std-module']
 
+if 'lldb-simulator-ios' in config.available_features:
+  dotest_cmd += ['--apple-sdk', 'iphonesimulator',
+                 '--platform-name', 'ios-simulator']
+elif 'lldb-simulator-watchos' in config.available_features:
+  dotest_cmd += ['--apple-sdk', 'watchsimulator',
+                 '--platform-name', 'watchos-simulator']
+elif 'lldb-simulator-tvos' in config.available_features:
+  dotest_cmd += ['--apple-sdk', 'appletvsimulator',
+                 '--platform-name', 'tvos-simulator']
+
 if is_configured('enabled_plugins'):
   for plugin in config.enabled_plugins:
     dotest_cmd += ['--enable-plugin', plugin]
 
 if is_configured('dotest_lit_args_str'):
   # We don't want to force users passing arguments to lit to use `;` as a
   # separator. We use Python's simple lexical analyzer to turn the args into a
   # list. Pass there arguments last so they can override anything that was

lldb/test/CMakeLists.txt

add_lit_testsuite(check-lldb-reproducers
   "Running lldb test suite with reproducer replay"
   ${CMAKE_CURRENT_BINARY_DIR}/API
   ${CMAKE_CURRENT_BINARY_DIR}/Shell
   PARAMS "lldb-run-with-repro=replay"
   EXCLUDE_FROM_CHECK_ALL
   DEPENDS lldb-test-deps)
 add_dependencies(check-lldb-reproducers check-lldb-reproducers-capture)
 
+# Targets for running the test suite on the different Apple simulators.
+add_lit_testsuite(check-lldb-simulator-ios
+  "Running lldb test suite on the iOS simulator"
+  ${CMAKE_CURRENT_BINARY_DIR}/API
+  PARAMS "lldb-run-with-simulator=ios"
+  EXCLUDE_FROM_CHECK_ALL
+  DEPENDS lldb-test-deps)
+
+add_lit_testsuite(check-lldb-simulator-watchos
+  "Running lldb test suite on the watchOS simulator"
+  ${CMAKE_CURRENT_BINARY_DIR}/API
+  PARAMS "lldb-run-with-simulator=watchos"
+  EXCLUDE_FROM_CHECK_ALL
+  DEPENDS lldb-test-deps)
+
+add_lit_testsuite(check-lldb-simulator-tvos
+  "Running lldb test suite on the tvOS simulator"
+  ${CMAKE_CURRENT_BINARY_DIR}/API
+  PARAMS "lldb-run-with-simulator=tvos"
+  EXCLUDE_FROM_CHECK_ALL
+  DEPENDS lldb-test-deps)
+
+
 if(LLDB_BUILT_STANDALONE)
   # This has to happen *AFTER* add_lit_testsuite.
   if (EXISTS ${LLVM_MAIN_SRC_DIR}/utils/llvm-lit)
     # LLVM's make_paths_relative uses Python3_EXECUTABLE which isn't set in a
     # standalone LLDB build.
     set(Python3_EXECUTABLE ${Python3_EXECUTABLE})
     add_subdirectory(${LLVM_MAIN_SRC_DIR}/utils/llvm-lit ${CMAKE_CURRENT_BINARY_DIR}/llvm-lit)
   endif()
 endif()