1 files changed, 80 insertions, 0 deletions
diff --git a/test/fuzzer/lit.cfg b/test/fuzzer/lit.cfg
new file mode 100644
index 000000000..a82ca23b9
--- /dev/null
+++ b/test/fuzzer/lit.cfg
@@ -0,0 +1,80 @@
+import lit.formats
+import sys
+import os
+
+config.name = "LLVMFuzzer"
+config.test_format = lit.formats.ShTest(True)
+config.suffixes = ['.test']
+config.test_source_root = os.path.dirname(__file__)
+
+# Choose between lit's internal shell pipeline runner and a real shell.  If
+# LIT_USE_INTERNAL_SHELL is in the environment, we use that as an override.
+use_lit_shell = os.environ.get("LIT_USE_INTERNAL_SHELL")
+if use_lit_shell:
+    # 0 is external, "" is default, and everything else is internal.
+    execute_external = (use_lit_shell == "0")
+else:
+    # Otherwise we default to internal on Windows and external elsewhere, as
+    # bash on Windows is usually very slow.
+    execute_external = (not sys.platform in ['win32'])
+
+# testFormat: The test format to use to interpret tests.
+#
+# For now we require '&&' between commands, until they get globally killed and
+# the test runner updated.
+config.test_format = lit.formats.ShTest(execute_external)
+
+# LeakSanitizer is not supported on OSX right now.
+if sys.platform.startswith('darwin'):
+  lit_config.note('lsan feature unavailable')
+else:
+  lit_config.note('lsan feature available')
+  config.available_features.add('lsan')
+
+if sys.platform.startswith('win') or sys.platform.startswith('cygwin'):
+  config.available_features.add('windows')
+
+if sys.platform.startswith('darwin'):
+  config.available_features.add('darwin')
+
+if sys.platform.startswith('linux'):
+  # Note the value of ``sys.platform`` is not consistent
+  # between python 2 and 3, hence the use of ``.startswith()``.
+  lit_config.note('linux feature available')
+  config.available_features.add('linux')
+else:
+  lit_config.note('linux feature unavailable')
+
+config.substitutions.append(('%build_dir', config.cmake_binary_dir))
+libfuzzer_src_root = os.path.join(config.compiler_rt_src_root, "lib", "fuzzer")
+config.substitutions.append(('%libfuzzer_src', libfuzzer_src_root))
+
+def generate_compiler_cmd(is_cpp=True, fuzzer_enabled=True):
+  compiler_cmd = config.c_compiler
+  link_cmd = '-lc++' if 'darwin' in config.target_triple else '-lstdc++'
+  std_cmd = '-std=c++11' if is_cpp else ''
+  sanitizers = ['address']
+  if fuzzer_enabled:
+    sanitizers.append('fuzzer')
+  sanitizers_cmd = ('-fsanitize=%s' % ','.join(sanitizers))
+  isysroot_cmd = ('-isysroot %s' % config.osx_sysroot
+      ) if 'darwin' in config.target_triple else ''
+  include_cmd = '-I%s' % libfuzzer_src_root
+  return '%s %s %s -gline-tables-only %s %s %s' % (
+      compiler_cmd, std_cmd, link_cmd, isysroot_cmd, sanitizers_cmd, include_cmd)
+
+config.substitutions.append(('%cpp_compiler',
+      generate_compiler_cmd(is_cpp=True, fuzzer_enabled=True)
+      ))
+
+config.substitutions.append(('%c_compiler',
+      generate_compiler_cmd(is_cpp=False, fuzzer_enabled=True)
+      ))
+
+config.substitutions.append(('%no_fuzzer_cpp_compiler',
+      generate_compiler_cmd(is_cpp=True, fuzzer_enabled=False)
+      ))
+
+config.substitutions.append(('%no_fuzzer_c_compiler',
+      generate_compiler_cmd(is_cpp=False, fuzzer_enabled=False)
+      ))