def test_class_methods(self):
source = """
class Rectangle {
int width;
int height;
int getArea(){
return width * height;
}
};
void Rectangle::set_values(int w, int h) {
width = w;
height = h;
}
int Rectangle::get_width(){
return width;
}
int Rectangle::get_height(){
return height;
}
int test(int a, int b) {
Rectangle rect;
rect.width = 0;
rect.height = 0;
rect.set_values(a, b);
return rect.getArea() + rect.get_height() + rect.get_width();
}
"""
f = self.parse_and_get_function(source)
aval = ir_value.Value(bits_mod.SBits(value=int(6), bit_count=32))
bval = ir_value.Value(bits_mod.SBits(value=int(3), bit_count=32))
args = dict(a=aval, b=bval)
result = ir_interpreter.run_function_kwargs(f, args)
result_int = int(ctypes.c_int32(int(str(result))).value)
self.assertEqual(27, result_int)
def test_array_equivalence_fail(self):
dslx_elements = []
ir_elements = []
for i in range(5):
dslx_elements.append(
dslx_value.Value.make_ubits(bit_count=4, value=i))
ir_elements.append(
ir_value.Value(ir_bits.UBits(value=i, bit_count=4)))
dslx_array = dslx_value.Value.make_array(tuple(dslx_elements))
ir_elements_extra = (
ir_elements +
[ir_value.Value(ir_bits.UBits(value=5, bit_count=4))])
ir_array_different_size = ir_value.Value.make_array(
tuple(ir_elements_extra))
with self.assertRaises(jit_comparison.JitMiscompareError):
jit_comparison.compare_values(dslx_array, ir_array_different_size)
ir_elements_wrong = (
ir_elements[:2] +
[ir_value.Value(ir_bits.UBits(value=5, bit_count=4))] +
ir_elements[3:])
ir_array_different_element = ir_value.Value.make_array(
ir_elements_wrong)
with self.assertRaises(jit_comparison.JitMiscompareError):
jit_comparison.compare_values(dslx_array,
ir_array_different_element)
def test_tuple_equivalence_fail(self):
dslx_members = []
ir_members = []
for i in range(5):
dslx_members.append(
dslx_value.Value.make_ubits(bit_count=4, value=i))
ir_members.append(
ir_value.Value(ir_bits.UBits(value=i, bit_count=4)))
dslx_tuple = dslx_value.Value.make_tuple(tuple(dslx_members))
ir_members_extra = (
ir_members + [ir_value.Value(ir_bits.UBits(value=5, bit_count=4))])
ir_tuple_different_size = ir_value.Value.make_tuple(ir_members_extra)
with self.assertRaises(jit_comparison.JitMiscompareError):
jit_comparison.compare_values(dslx_tuple, ir_tuple_different_size)
ir_members_wrong = (
ir_members[:2] +
[ir_value.Value(ir_bits.UBits(value=5, bit_count=4))] +
ir_members[3:])
ir_tuple_different_member = ir_value.Value.make_tuple(ir_members_wrong)
with self.assertRaises(jit_comparison.JitMiscompareError):
jit_comparison.compare_values(dslx_tuple,
ir_tuple_different_member)
def test_mandelbrot(self):
translator = xlscc_translator.Translator("mypackage")
my_parser = ext_c_parser.XLSccParser()
source_path = runfiles.get_path(
"xls/contrib/xlscc_obsolete/translate/testdata/mandelbrot_test.cc")
binary_path = runfiles.get_path(
"xls/contrib/xlscc_obsolete/translate/mandelbrot_test")
nx = 48
ny = 32
with open(source_path) as f:
content = f.read()
# Hackily do the preprocessing, since in build environments we do not have a
# cpp binary available (and if we did relying on it here without a
# build-system-noted dependency would be non-hermetic).
content = re.sub("^#if !NO_TESTBENCH$.*^#endif$", "", content, 0,
re.MULTILINE | re.DOTALL)
content = re.sub(re.compile("//.*?\n"), "", content)
f = self.create_tempfile(content=content)
ast = pycparser.parse_file(f.full_path,
use_cpp=False,
parser=my_parser)
cpp_out = None
with os.popen(binary_path) as osf:
cpp_out = osf.read()
parsed_cpp_out = eval(cpp_out)
translator.parse(ast)
p = translator.gen_ir()
f = p.get_function("mandelbrot")
result_arr = parsed_cpp_out
for y in range(0, ny):
for x in range(0, nx):
xx = float(x) / nx
yy = float(y) / ny
xi = int(xx * 2.5 - 1.8) * (1 << 16)
yi = int(yy * 2.2 - 1.1) * (1 << 16)
args = dict(c_r=ir_value.Value(
bits_mod.SBits(value=int(xi), bit_count=32)),
c_i=ir_value.Value(
bits_mod.SBits(value=int(yi), bit_count=32)))
result = ir_interpreter.run_function_kwargs(f, args)
result_sai32 = int(str(result))
result_arr[y][x] = result_sai32
self.assertEqual(parsed_cpp_out, result_arr)
def one_in_one_out(self, source, a_input, b_input, expected_output):
f = self.parse_and_get_function("""
int test(sai32 a, sai32 b) {
""" + source + """
}
""")
aval = ir_value.Value(bits_mod.SBits(value=int(a_input), bit_count=32))
bval = ir_value.Value(bits_mod.SBits(value=int(b_input), bit_count=32))
args = dict(a=aval, b=bval)
result = ir_interpreter.run_function_kwargs(f, args)
self.assertEqual(expected_output,
int(ctypes.c_int32(int(str(result))).value))
def test_bits_equivalence_fail(self):
dslx_bits = dslx_value.Value.make_ubits(bit_count=4, value=4)
ir_bits_wrong_bit_count = ir_value.Value(
ir_bits.UBits(value=4, bit_count=5))
with self.assertRaises(jit_comparison.JitMiscompareError):
jit_comparison.compare_values(dslx_bits, ir_bits_wrong_bit_count)
ir_bits_wrong_value = ir_value.Value(
ir_bits.UBits(value=3, bit_count=4))
with self.assertRaises(jit_comparison.JitMiscompareError):
jit_comparison.compare_values(dslx_bits, ir_bits_wrong_value)
def test_enum_autocount(self):
source = """
enum states{w, x, y=5, z};
int test(int a, int b){
return a+z+b+x;
}
"""
f = self.parse_and_get_function(source)
aval = ir_value.Value(bits_mod.SBits(value=int(2), bit_count=32))
bval = ir_value.Value(bits_mod.SBits(value=int(3), bit_count=32))
args = dict(a=aval, b=bval)
result = ir_interpreter.run_function_kwargs(f, args)
result_int = int(ctypes.c_int32(int(str(result))).value)
self.assertEqual(12, result_int)
def test_literal_array(self):
p = ir_package.Package('test_package')
fb = function_builder.FunctionBuilder('f', p)
fb.add_literal_value(
ir_value.Value.make_array([
ir_value.Value(bits_mod.UBits(value=5, bit_count=32)),
ir_value.Value(bits_mod.UBits(value=6, bit_count=32)),
]))
fb.build()
self.assertMultiLineEqual(
p.dump_ir(), """\
package test_package
fn f() -> bits[32][2] {
ret literal.1: bits[32][2] = literal(value=[5, 6], id=1)
}
""")
def test_arrayref(self):
f = self.parse_and_get_function("""
void array_update(int o[2], int x) {
o[0] = x;
}
int test(int a, int b) {
int s[2] = {0,b};
array_update(s, a);
return s[0] + s[1];
}
""")
aval = ir_value.Value(bits_mod.SBits(value=int(22), bit_count=32))
bval = ir_value.Value(bits_mod.SBits(value=int(10), bit_count=32))
args = dict(a=aval, b=bval)
result = ir_interpreter.run_function_kwargs(f, args)
result_int = int(ctypes.c_int32(int(str(result))).value)
self.assertEqual(32, result_int)
def test_verify_function(self):
pkg = package.Package('pname')
builder = function_builder.FunctionBuilder('f_name', pkg)
builder.add_param('x', pkg.get_bits_type(32))
builder.add_literal_value(ir_value.Value(bits.UBits(7, 8)))
fn = builder.build()
verifier.verify_function(fn)
def test_structref(self):
somestruct = hls_types_pb2.HLSStructType()
int_type = hls_types_pb2.HLSIntType()
int_type.signed = True
int_type.width = 18
translated_hls_type = hls_types_pb2.HLSType()
translated_hls_type.as_int.CopyFrom(int_type)
hls_field = hls_types_pb2.HLSNamedType()
hls_field.name = "x"
hls_field.hls_type.CopyFrom(translated_hls_type)
somestruct.fields.add().CopyFrom(hls_field)
hls_field = hls_types_pb2.HLSNamedType()
hls_field.name = "y"
hls_field.hls_type.CopyFrom(translated_hls_type)
somestruct.fields.add().CopyFrom(hls_field)
somestructtype = hls_types_pb2.HLSType()
somestructtype.as_struct.CopyFrom(somestruct)
hls_types_by_name = {"SomeStruct": somestructtype}
f = self.parse_and_get_function(
"""
void struct_update(SomeStruct &o, sai18 x) {
o.x.set_slc(0, x);
}
int test(sai32 a, int b) {
SomeStruct s;
s.x = 0;
s.y = b;
struct_update(s, a);
return s.x + s.y;
}
""", hls_types_by_name)
aval = ir_value.Value(bits_mod.SBits(value=int(22), bit_count=32))
bval = ir_value.Value(bits_mod.SBits(value=int(10), bit_count=32))
args = dict(a=aval, b=bval)
result = ir_interpreter.run_function_kwargs(f, args)
result_int = int(ctypes.c_int32(int(str(result))).value)
self.assertEqual(32, result_int)
def test_ref_params(self):
f = self.parse_and_get_function("""
void add_in_place(int &o, int x) {
o += x;
}
int add_in_place_2(int x, int &o) {
o += x;
return o*2;
}
int test(int a, int b){
add_in_place(a, b);
return add_in_place_2(b, a) + a;
}
""")
aval = ir_value.Value(bits_mod.SBits(value=int(11), bit_count=32))
bval = ir_value.Value(bits_mod.SBits(value=int(3), bit_count=32))
args = dict(a=aval, b=bval)
result = ir_interpreter.run_function_kwargs(f, args)
result_int = int(ctypes.c_int32(int(str(result))).value)
self.assertEqual(51, result_int)
def test_globalconst(self):
f = self.parse_and_get_function("""
const int foo[6] = {2,4,5,3,2,1};
int test(int a) {
return foo[a];
}
""")
aval = ir_value.Value(bits_mod.SBits(value=int(2), bit_count=32))
args = dict(a=aval)
result = ir_interpreter.run_function_kwargs(f, args)
result_int = int(ctypes.c_int32(int(str(result))).value)
self.assertEqual(5, result_int)
def test_function_type(self):
pkg = package.Package('pname')
builder = function_builder.FunctionBuilder('f_name', pkg)
builder.add_param('x', pkg.get_bits_type(32))
builder.add_literal_value(ir_value.Value(bits.UBits(7, 8)))
fn = builder.build()
fn_type = fn.get_type()
self.assertIsInstance(fn_type, ir_type.FunctionType)
self.assertIn('bits[32]', str(fn_type))
self.assertEqual(8, fn_type.return_type().get_bit_count())
self.assertEqual(1, fn_type.get_parameter_count())
self.assertEqual(32, fn_type.get_parameter_type(0).get_bit_count())
def visit_ConstantArray(self, node: ast.ConstantArray) -> None:
array_type = self._resolve_type(node)
e_type = array_type.get_element_type() # pytype: disable=attribute-error
values = []
for n in node.members:
e = self._get_const(n)
values.append(
ir_value.Value(_int_to_bits(e, e_type.get_total_bit_count())))
if node.has_ellipsis:
while len(values) < array_type.size: # pytype: disable=attribute-error
values.append(values[-1])
self._def(node, self.fb.add_literal_value,
ir_value.Value.make_array(values))
def test_package_methods(self):
pkg = package.Package('pkg')
fb = function_builder.FunctionBuilder('f', pkg)
fb.add_literal_value(ir_value.Value(bits.UBits(7, 8)))
fb.build()
self.assertIn('pkg', pkg.dump_ir())
self.assertIsInstance(pkg.get_bits_type(4), ir_type.BitsType)
self.assertIsInstance(pkg.get_array_type(4, pkg.get_bits_type(4)),
ir_type.ArrayType)
self.assertIsInstance(pkg.get_tuple_type([pkg.get_bits_type(4)]),
ir_type.TupleType)
self.assertIsInstance(pkg.get_or_create_fileno('file'), fileno.Fileno)
self.assertIsInstance(pkg.get_function('f'), function.Function)
self.assertEqual(['f'], pkg.get_function_names())
def convert_interpreter_value_to_ir(
interpreter_value: dslx_value.Value) -> ir_value.Value:
"""Recursively translates a DSLX Value into an IR Value."""
if interpreter_value.is_bits() or interpreter_value.is_enum():
return ir_value.Value(interpreter_value.get_bits())
elif interpreter_value.is_array():
ir_arr = []
for e in interpreter_value.get_elements():
ir_arr.append(convert_interpreter_value_to_ir(e))
return ir_value.Value.make_array(ir_arr)
elif interpreter_value.is_tuple():
ir_tuple = []
for e in interpreter_value.get_elements():
ir_tuple.append(convert_interpreter_value_to_ir(e))
return ir_value.Value.make_tuple(ir_tuple)
else:
raise UnsupportedJitConversionError(
"Can't convert to JIT value: {}".format(interpreter_value))
def test_all_add_methods(self):
# This test is mainly about checking that pybind11 is able to map parameter
# and return types properly. Because of this it's not necessary to check
# the result at the end; that methods don't throw when called is enough.
p = ir_package.Package('test_package')
fileno = p.get_or_create_fileno('my_file.x')
lineno = fileno_mod.Lineno(42)
colno = fileno_mod.Colno(64)
loc = source_location.SourceLocation(fileno, lineno, colno)
fb = function_builder.FunctionBuilder('test_function', p)
input_function_builder = function_builder.FunctionBuilder('fn', p)
input_function_builder.add_literal_value(
ir_value.Value(bits_mod.UBits(7, 8)))
input_function = input_function_builder.build()
single_zero_bit = fb.add_literal_value(
ir_value.Value(bits_mod.UBits(value=0, bit_count=1)))
t = p.get_bits_type(32)
x = fb.add_param('x', t)
fb.add_shra(x, x, loc=loc)
fb.add_shra(x, x, loc=loc)
fb.add_shrl(x, x, loc=loc)
fb.add_shll(x, x, loc=loc)
fb.add_or(x, x, loc=loc)
fb.add_nary_or([x], loc=loc)
fb.add_xor(x, x, loc=loc)
fb.add_and(x, x, loc=loc)
fb.add_smul(x, x, loc=loc)
fb.add_umul(x, x, loc=loc)
fb.add_udiv(x, x, loc=loc)
fb.add_sub(x, x, loc=loc)
fb.add_add(x, x, loc=loc)
fb.add_concat([x], loc=loc)
fb.add_ule(x, x, loc=loc)
fb.add_ult(x, x, loc=loc)
fb.add_uge(x, x, loc=loc)
fb.add_ugt(x, x, loc=loc)
fb.add_sle(x, x, loc=loc)
fb.add_slt(x, x, loc=loc)
fb.add_sge(x, x, loc=loc)
fb.add_sgt(x, x, loc=loc)
fb.add_eq(x, x, loc=loc)
fb.add_ne(x, x, loc=loc)
fb.add_neg(x, loc=loc)
fb.add_not(x, loc=loc)
fb.add_clz(x, loc=loc)
fb.add_one_hot(x, lsb_or_msb.LsbOrMsb.LSB, loc=loc)
fb.add_one_hot_sel(x, [x], loc=loc)
fb.add_literal_bits(bits_mod.UBits(value=2, bit_count=32), loc=loc)
fb.add_literal_value(ir_value.Value(
bits_mod.UBits(value=5, bit_count=32)),
loc=loc)
fb.add_sel(x, x, x, loc=loc)
fb.add_sel_multi(x, [x], x, loc=loc)
fb.add_match_true([single_zero_bit], [x], x, loc=loc)
tuple_node = fb.add_tuple([x], loc=loc)
fb.add_array([x], t, loc=loc)
fb.add_tuple_index(tuple_node, 0, loc=loc)
fb.add_counted_for(x, 1, 1, input_function, [x], loc=loc)
fb.add_map(fb.add_array([x], t, loc=loc), input_function, loc=loc)
fb.add_invoke([x], input_function, loc=loc)
fb.add_array_index(fb.add_array([x], t, loc=loc), x, loc=loc)
fb.add_reverse(fb.add_array([x], t, loc=loc), loc=loc)
fb.add_identity(x, loc=loc)
fb.add_signext(x, 10, loc=loc)
fb.add_zeroext(x, 10, loc=loc)
fb.add_bit_slice(x, 4, 2, loc=loc)
fb.build()
def v1(n):
return ir_value.Value(bits_mod.UBits(value=int(n), bit_count=1))
def v32(n):
return ir_value.Value(bits_mod.SBits(value=int(n), bit_count=32))
def build_function(name='function_name'):
pkg = package.Package('pname')
builder = function_builder.FunctionBuilder(name, pkg)
builder.add_literal_value(value.Value(bits.UBits(7, 8)))
return builder.build()