[ASan] lit tests: create common autogenerated config for running compiler-rt lit tests, and use it in ASan

llvm-svn: 183400

compiler-rt/CMakeLists.txt

@@ -36,6 +36,7 @@ set(CMAKE_MODULE_PATH
 include(AddCompilerRT)
 
 set(COMPILER_RT_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
+set(COMPILER_RT_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
 # Setup custom SDK sysroots.
 set(COMPILER_RT_DARWIN_SDK_SYSROOT ${COMPILER_RT_SOURCE_DIR}/SDKs/darwin)
 set(COMPILER_RT_LINUX_SDK_SYSROOT ${COMPILER_RT_SOURCE_DIR}/SDKs/linux)

compiler-rt/lib/CMakeLists.txt

@@ -19,6 +19,10 @@ if("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux" AND NOT ANDROID)
   add_subdirectory(lsan)
 endif()
 
+configure_lit_site_cfg(
+  ${CMAKE_CURRENT_SOURCE_DIR}/lit.common.configured.in
+  ${CMAKE_CURRENT_BINARY_DIR}/lit.common.configured)
+
 # The top-level lib directory contains a large amount of C code which provides
 # generic implementations of the core runtime library along with optimized
 # architecture-specific code in various subdirectories.

compiler-rt/lib/asan/lit_tests/lit.cfg

@@ -48,15 +48,6 @@ if llvm_src_root is None:
   lit.load_config(config, asan_site_cfg)
   raise SystemExit
 
-# Setup attributes common for all compiler-rt projects.
-compiler_rt_src_root = get_required_attr(config, "compiler_rt_src_root")
-compiler_rt_lit_cfg = os.path.join(compiler_rt_src_root, "lib",
-                                   "lit.common.cfg")
-if (not compiler_rt_lit_cfg) or (not os.path.exists(compiler_rt_lit_cfg)):
-  lit.fatal("Can't find common compiler-rt lit config at: %r"
-            % compiler_rt_lit_cfg)
-lit.load_config(config, compiler_rt_lit_cfg)
-
 # Setup default compiler flags used with -fsanitize=address option.
 # FIXME: Review the set of required flags and check if it can be reduced.
 clang_asan_cxxflags = ("-ccc-cxx "

compiler-rt/lib/asan/lit_tests/lit.site.cfg.in

@@ -1,23 +1,11 @@
 ## Autogenerated by LLVM/Clang configuration.
 # Do not edit!
 
-config.target_triple = "@TARGET_TRIPLE@"
-config.host_os = "@HOST_OS@"
-config.llvm_src_root = "@LLVM_SOURCE_DIR@"
-config.llvm_obj_root = "@LLVM_BINARY_DIR@"
-config.compiler_rt_src_root = "@COMPILER_RT_SOURCE_DIR@"
-config.llvm_tools_dir = "@LLVM_TOOLS_DIR@"
-config.clang = "@LLVM_BINARY_DIR@/bin/clang"
-config.compiler_rt_arch = "@COMPILER_RT_SUPPORTED_ARCH@"
+# Load common config for all compiler-rt lit tests.
+lit.load_config(config, "@COMPILER_RT_BINARY_DIR@/lib/lit.common.configured")
+
+# Tool-specific config options.
 config.asan_source_dir = "@ASAN_SOURCE_DIR@"
 
-# LLVM tools dir can be passed in lit parameters, so try to
-# apply substitution.
-try:
-  config.llvm_tools_dir = config.llvm_tools_dir % lit.params
-except KeyError,e:
-  key, = e.args
-  lit.fatal("unable to find %r parameter, use '--param=%s=VALUE'" % (key, key))
-
-# Let the main config do the real work.
+# Load tool-specific config that would do the real work.
 lit.load_config(config, "@ASAN_SOURCE_DIR@/lit_tests/lit.cfg")

compiler-rt/lib/lit.common.cfg

@@ -15,8 +15,6 @@ config.test_format = lit.formats.ShTest(execute_external)
 clang_path = getattr(config, 'clang', None)
 if (not clang_path) or (not os.path.exists(clang_path)):
   lit.fatal("Can't find Clang on path %r" % clang_path)
-if not lit.quiet:
-  lit.note("using clang: %r" % clang_path)
 
 # Clear some environment variables that might affect Clang.
 possibly_dangerous_env_vars = ['COMPILER_PATH', 'RC_DEBUG_OPTIONS',

compiler-rt/lib/lit.common.configured.in

@@ -0,0 +1,23 @@
+## Autogenerated by LLVM/Clang configuration.
+# Do not edit!
+
+# Generic config options for all compiler-rt lit tests.
+config.target_triple = "@TARGET_TRIPLE@"
+config.host_os = "@HOST_OS@"
+config.llvm_src_root = "@LLVM_SOURCE_DIR@"
+config.llvm_obj_root = "@LLVM_BINARY_DIR@"
+config.compiler_rt_src_root = "@COMPILER_RT_SOURCE_DIR@"
+config.llvm_tools_dir = "@LLVM_TOOLS_DIR@"
+config.clang = "@LLVM_BINARY_DIR@/bin/clang"
+config.compiler_rt_arch = "@COMPILER_RT_SUPPORTED_ARCH@"
+
+# LLVM tools dir can be passed in lit parameters, so try to
+# apply substitution.
+try:
+  config.llvm_tools_dir = config.llvm_tools_dir % lit.params
+except KeyError,e:
+  key, = e.args
+  lit.fatal("unable to find %r parameter, use '--param=%s=VALUE'" % (key, key))
+
+# Setup attributes common for all compiler-rt projects.
+lit.load_config(config, "@COMPILER_RT_SOURCE_DIR@/lib/lit.common.cfg")