self.name = name
def resolve(self, config, dirs):
- command = lit.util.which(self.name, dirs)
- if not command:
- return None
+ # Check for a user explicitely overriding a tool. This allows:
+ # llvm-lit -D llc="llc -enable-misched -verify-machineinstrs"
+ command = config.lit_config.params.get(self.name)
+ if command is None:
+ # Then check out search paths.
+ command = lit.util.which(self.name, dirs)
+ if not command:
+ return None
if self.name == 'llc' and os.environ.get('LLVM_ENABLE_MACHINE_VERIFIER') == '1':
command += ' -verify-machineinstrs'