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module JITSupport
JIT_TIMEOUT = 600 # 10min for each...
JIT_SUCCESS_PREFIX = 'JIT success \(\d+\.\dms\)'
SUPPORTED_COMPILERS = [
'gcc',
'clang',
]
def self.check_support
# Experimental. If you want to ensure JIT is working with this test, please set this for now.
if ENV.key?('RUBY_FORCE_TEST_JIT')
return true
end
# Very pessimistic check. With this check, we can't ensure JIT is working.
begin
_, err = JITSupport.eval_with_jit('proc {}.call', verbose: 1, min_calls: 1, timeout: 10)
rescue Timeout::Error
$stderr.puts "TestJIT: #jit_supported? check timed out"
false
else
err.match?(JIT_SUCCESS_PREFIX)
end
end
module_function
def eval_with_jit(env = nil, script, verbose: 0, min_calls: 5, save_temps: false, timeout: JIT_TIMEOUT)
args = ['--disable-gems', '--jit-wait', "--jit-verbose=#{verbose}", "--jit-min-calls=#{min_calls}"]
args << '--jit-save-temps' if save_temps
args << '-e' << script
args.unshift(env) if env
EnvUtil.invoke_ruby(args,
'', true, true, timeout: timeout,
)
end
def supported?
return @supported if defined?(@supported)
@supported = JITSupport.check_support.tap do |supported|
unless supported
warn "JIT tests are skiped since JIT seems not working. Set RUBY_FORCE_TEST_JIT=1 to let it fail.", uplevel: 1
end
end
end
def remove_mjit_logs(stderr)
if RubyVM::MJIT.enabled?
stderr.gsub(/^MJIT warning: Skipped to compile unsupported instruction: \w+\n/m, '')
else
stderr
end
end
end
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