# creduce will only pass the filename of the C file as the first arg, so other
# configuration options will have to be hardcoded.
CSMITH_CFLAGS = ['-I', os.path.join(os.environ['CSMITH_PATH'], 'runtime')]
EMCC_ARGS = ['-O2', '-s', 'ASM_JS=1']
filename = sys.argv[1]
obj_filename = shared.unsuffixed(filename)
js_filename = obj_filename + '.js'
print('testing file', filename)
try:
print('2) Compile natively')
shared.run_process([shared.CLANG_CC, '-O2', filename, '-o', obj_filename] +
CSMITH_CFLAGS)
print('3) Run natively')
correct = jsrun.timeout_run(
Popen([obj_filename], stdout=PIPE, stderr=PIPE), 3)
except Exception as e:
print('Failed or infinite looping in native, skipping', e)
sys.exit(1) # boring
print('4) Compile JS-ly and compare')
def try_js(args):
shared.run_process([shared.EMCC] + EMCC_ARGS + CSMITH_CFLAGS + args +
[filename, '-o', js_filename])
js = jsrun.run_js(js_filename, engine=shared.NODE_JS, stderr=PIPE)
assert correct == js
# Try normally, then try unaligned because csmith does generate nonportable code that requires x86 alignment
# configuration options will have to be hardcoded.
CSMITH_CFLAGS = ['-I', os.path.join(os.environ['CSMITH_PATH'], 'runtime')]
ENGINE = shared.JS_ENGINES[0]
EMCC_ARGS = ['-O2', '-s', 'ASM_JS=1', '-s', 'PRECISE_I64_MATH=1', '-s',
'PRECISE_I32_MUL=1']
filename = sys.argv[1]
obj_filename = os.path.splitext(filename)[0]
js_filename = obj_filename + '.js'
print 'testing file', filename
try:
print '2) Compile natively'
shared.check_execute([shared.CLANG_CC, '-O2', filename, '-o', obj_filename] + CSMITH_CFLAGS)
print '3) Run natively'
correct = jsrun.timeout_run(Popen([obj_filename], stdout=PIPE, stderr=PIPE), 3)
except Exception, e:
print 'Failed or infinite looping in native, skipping', e
sys.exit(1) # boring
print '4) Compile JS-ly and compare'
def try_js(args):
shared.check_execute([shared.EMCC] + EMCC_ARGS + CSMITH_CFLAGS + args +
[filename, '-o', js_filename])
js = shared.run_js(js_filename, stderr=PIPE, engine=ENGINE)
assert correct == js
# Try normally, then try unaligned because csmith does generate nonportable code that requires x86 alignment
# If you are sure that alignment is not the cause, disable it for a faster reduction
for args in [[]]: