def rewrite_cl(src, id='anon'):
# Rewriter can't read from stdin.
with NamedTemporaryFile('w', suffix='.cl') as tmp:
tmp.write(src)
tmp.flush()
cmd = ([cfg.rewriter(), tmp.name] +
['-extra-arg=' + x for x in clang_cl_args()] + ['--'])
process = Popen(cmd, stdin=PIPE, stdout=PIPE, stderr=PIPE,
env=cfg.toolchain_env())
stdout, stderr = process.communicate()
# If there was nothing to rewrite, rewriter exits with error code:
EUGLY_CODE = 204
if process.returncode == EUGLY_CODE:
# Propagate the error:
raise RewriterException(src)
# NOTE: the rewriter process can still fail because of some other
# compilation problem, e.g. for some reason the 'enable 64bit
# support' pragma which should be included in the shim isn't being
# propogated correctly to the rewriter. However, the rewriter will
# still correctly process the input, so we ignore all error codes
# except the one we care about (EUGLY_CODE).
rewritten = stdout.decode('utf-8')
# Remove __attribute__ qualifiers
stripped = clutil.strip_attributes(rewritten)
return stripped
def test_strip_attributes(self):
self.assertEqual("", clutil.strip_attributes(
"__attribute__((reqd_work_group_size(64,1,1)))"))
out = "foobar"
tin = "foo__attribute__((reqd_work_group_size(WG_SIZE,1,1)))bar"
self.assertEqual(out, clutil.strip_attributes(tin))
out = "typedef unsigned char uchar8;"
tin = "typedef __attribute__((ext_vector_type(8))) unsigned char uchar8;"
self.assertEqual(out, clutil.strip_attributes(tin))
out = ("typedef unsigned char uchar8;\n"
"typedef unsigned char uchar8;")
tin = ("typedef __attribute__ ((ext_vector_type(8))) unsigned char uchar8;\n"
"typedef __attribute__((reqd_work_group_size(64,1,1))) unsigned char uchar8;")
self.assertEqual(out, clutil.strip_attributes(tin))