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import pytest
from pypy.module.pypyjit.test_pypy_c.test_00_model import BaseTestPyPyC
class TestDicts(BaseTestPyPyC):
def test_strdict(self):
def fn(n):
import sys
d = {}
class A(object):
pass
a = A()
a.x = "x" # stop field unboxing
a.x = 1
for s in list(sys.modules.keys()) * 1000:
d.get(s) # force pending setfields etc.
inc = a.x # ID: look
d[s] = d.get(s, 0) + inc
return sum(d.values())
#
log = self.run(fn, [1000])
assert log.result % 1000 == 0
loop, = log.loops_by_filename(self.filepath)
ops = loop.ops_by_id('look')
assert log.opnames(ops) == ['guard_nonnull_class']
def test_identitydict(self):
def fn(n):
class X(object):
pass
x = X()
d = {}
d[x] = 1
res = 0
for i in range(300):
value = d[x] # ID: getitem
res += value
return res
#
log = self.run(fn, [1000])
assert log.result == 300
loop, = log.loops_by_filename(self.filepath)
# check that the call to ll_dict_lookup is not a call_may_force, the
# gc_id call is hoisted out of the loop, the id of a value obviously
# can't change ;)
assert loop.match_by_id("getitem", """
...
i26 = call_i(ConstClass(ll_call_lookup_function), p18, p6, i25, 0, descr=...)
...
p33 = getinteriorfield_gc_r(p31, i26, descr=<InteriorFieldDescr <FieldP odictentry.value .*>>)
...
""")
@pytest.skip("no strdicts on pypy3")
def test_non_virtual_dict(self):
def main(n):
i = 0
while i < n:
d = {str(i): i}
i += d[str(i)] - i + 1
return i
log = self.run(main, [1000])
assert log.result == main(1000)
loop, = log.loops_by_filename(self.filepath)
assert loop.match("""
i8 = int_lt(i5, i7)
guard_true(i8, descr=...)
guard_not_invalidated(descr=...)
p10 = call_r(ConstClass(ll_str__IntegerR_SignedConst_Signed), i5, descr=<Callr . i EF=3>)
guard_no_exception(descr=...)
i80 = call_i(ConstClass(codepoints_in_utf8), p10, 0, _, descr=<Calli . rii EF=4>)
guard_no_exception(descr=...)
guard_nonnull(p10, descr=...)
i99 = strhash(p10)
# NOTE: with siphash24, notably on unicodes, computing the hash
# may raise MemoryError
i87 = cond_call_value_i(i99, ConstClass(_ll_strhash__rpy_stringPtr), p10, descr=<Calli . r EF=5>)
guard_no_exception(descr=...)
i89 = int_eq(i87, -1)
i12 = int_sub(i87, i89)
p13 = new(descr=...)
p15 = new_array_clear(16, descr=<ArrayU 1>)
{{{
setfield_gc(p13, 0, descr=<FieldS dicttable.num_ever_used_items .+>)
setfield_gc(p13, p15, descr=<FieldP dicttable.indexes .+>)
setfield_gc(p13, ConstPtr(0), descr=<FieldP dicttable.entries .+>)
}}}
i17 = call_i(ConstClass(ll_dict_lookup_trampoline), p13, p10, i12, 1, descr=<Calli . rrii EF=5 OS=4>)
{{{
setfield_gc(p13, 0, descr=<FieldS dicttable.lookup_function_no .+>)
setfield_gc(p13, 0, descr=<FieldS dicttable.num_live_items .+>)
setfield_gc(p13, 32, descr=<FieldS dicttable.resize_counter .+>)
}}}
guard_no_exception(descr=...)
p20 = new_with_vtable(descr=...)
call_n(ConstClass(_ll_dict_setitem_lookup_done_trampoline), p13, p10, p20, i12, i17, descr=<Callv 0 rrrii EF=5>)
setfield_gc(p20, i5, descr=<FieldS .*W_IntObject.inst_intval .* pure>)
guard_no_exception(descr=...)
i98 = unicodehash(p10)
i23 = call_i(ConstClass(ll_call_lookup_function), p13, p10, i12, 0, descr=<Calli . rrii EF=5 OS=4>)
guard_no_exception(descr=...)
i27 = int_lt(i23, 0)
guard_false(i27, descr=...)
p28 = getfield_gc_r(p13, descr=<FieldP dicttable.entries .*>)
p29 = getinteriorfield_gc_r(p28, i23, descr=<InteriorFieldDescr <FieldP odictentry.value .*>>)
guard_nonnull_class(p29, ConstClass(W_IntObject), descr=...)
i31 = getfield_gc_i(p29, descr=<FieldS .*W_IntObject.inst_intval .* pure>)
i32 = int_sub_ovf(i31, i5)
guard_no_overflow(descr=...)
i34 = int_add_ovf(i32, 1)
guard_no_overflow(descr=...)
i35 = int_add_ovf(i5, i34)
guard_no_overflow(descr=...)
--TICK--
jump(..., descr=...)
""")
class TestOtherContainers(BaseTestPyPyC):
def test_list(self):
def main(n):
i = 0
while i < n:
z = list(())
z.append(1)
i += z[-1] // len(z)
return i
log = self.run(main, [1000])
assert log.result == main(1000)
loop, = log.loops_by_filename(self.filepath)
assert loop.match("""
i7 = int_lt(i5, i6)
guard_true(i7, descr=...)
guard_not_invalidated(descr=...)
i9 = int_add(i5, 1)
--TICK--
jump(..., descr=...)
""")
def test_floatlist_unpack_without_calls(self):
def fn(n):
l = [2.3, 3.4, 4.5]
for i in range(n):
x, y, z = l # ID: look
#
log = self.run(fn, [1000])
loop, = log.loops_by_filename(self.filepath)
ops = loop.ops_by_id('look')
assert 'call' not in log.opnames(ops)
# XXX the following tests only work with strategies enabled
def test_should_not_create_intobject_with_sets(self):
def main(n):
i = 0
s = set()
while i < n:
s.add(i)
i += 1
log = self.run(main, [1000])
assert log.result == main(1000)
loop, = log.loops_by_filename(self.filepath)
opnames = log.opnames(loop.allops())
assert opnames.count('new_with_vtable') == 0
def test_should_not_create_stringobject_with_sets(self):
def main(n):
i = 0
s = set()
while i < n:
s.add(str(i))
i += 1
log = self.run(main, [1000])
assert log.result == main(1000)
loop, = log.loops_by_filename(self.filepath)
opnames = log.opnames(loop.allops())
assert opnames.count('new_with_vtable') == 0
def test_should_not_create_intobject_with_lists(self):
def main(n):
i = 0
l = []
while i < n:
l.append(i)
i += 1
log = self.run(main, [1000])
assert log.result == main(1000)
loop, = log.loops_by_filename(self.filepath)
opnames = log.opnames(loop.allops())
assert opnames.count('new_with_vtable') == 0
def test_should_not_create_stringobject_with_lists(self):
def main(n):
i = 0
l = []
while i < n:
l.append(str(i))
i += 1
log = self.run(main, [1000])
assert log.result == main(1000)
loop, = log.loops_by_filename(self.filepath)
opnames = log.opnames(loop.allops())
assert opnames.count('new_with_vtable') == 0
def test_optimized_create_list_from_string(self):
def main(n):
i = 0
l = []
while i < n:
l = list("abc" * i)
i += 1
log = self.run(main, [1000])
assert log.result == main(1000)
loop, = log.loops_by_filename(self.filepath)
opnames = log.opnames(loop.allops())
assert opnames.count('new_with_vtable') == 0
def test_optimized_create_set_from_list(self):
def main(n):
i = 0
while i < n:
s = set([1, 2, 3])
i += 1
log = self.run(main, [1000])
assert log.result == main(1000)
loop, = log.loops_by_filename(self.filepath)
opnames = log.opnames(loop.allops())
assert opnames.count('new_with_vtable') == 0
def test_constfold_tuple(self):
code = """if 1:
tup = tuple(range(10000))
l = [1, 2, 3, 4, 5, 6, "a"]
def main(n):
while n > 0:
sub = tup[1] # ID: getitem
l[1] = n # kill cache of tup[1]
n -= sub
"""
log = self.run(code, [1000])
loop, = log.loops_by_filename(self.filepath)
ops = loop.ops_by_id('getitem', include_guard_not_invalidated=False)
assert log.opnames(ops) == []
def test_specialised_tuple(self):
def main(n):
import pypyjit
f = lambda: None
tup = (n, n)
while n > 0:
tup[0] # ID: getitem
pypyjit.residual_call(f)
n -= 1
log = self.run(main, [1000])
assert log.result == None
loop, = log.loops_by_filename(self.filepath)
ops = loop.ops_by_id('getitem', include_guard_not_invalidated=False)
assert log.opnames(ops) == []
def test_enumerate_list(self):
def main(n):
for a, b in enumerate([1, 2] * 1000):
a + b
log = self.run(main, [1000])
loop, = log.loops_by_filename(self.filepath)
opnames = log.opnames(loop.allops())
assert opnames.count('new_with_vtable') == 0
def test_enumerate(self):
def main(n):
for a, b in enumerate("abc" * 1000):
a + ord(b)
log = self.run(main, [1000])
loop, = log.loops_by_filename(self.filepath)
opnames = log.opnames(loop.allops())
assert opnames.count('new_with_vtable') == 0
def test_unpack_list(self):
def main():
l = [1, 4, 6]
for x in range(10000):
a, b, c = l # ID: unpack
a, b, c = l
a, b, c = l
log = self.run(main, [])
loop, = log.loops_by_id("unpack", is_entry_bridge=True)
opnames = log.opnames(loop.allops())
assert opnames.count('new_with_vtable') == 0
assert opnames.count('new_array_clear') == 0
def test_count_doesnt_escape_w_list(self):
def main():
l0 = [1, 4, 6]
res = 0
for x in range(10000):
l = list(l0)
res += l.count(4) # ID: count
log = self.run(main, [])
loop, = log.loops_by_id("count")
ops = loop.ops_by_id("count")
opnames = log.opnames(ops)
assert "new_with_vtable" not in opnames
def test_dict_values_single_copy(self):
def main():
res = 0
d = {"a": None, "b": object, "c": type, "d": True}
for i in range(100000):
l = d.values() # ID: list
res += len(l)
log = self.run(main, [])
loop, = log.loops_by_id("list")
ops = loop.ops_by_id("list")
opnames = log.opnames(ops)
# only a call to ll_kvi, not to get_strategy_from_list_objects
assert opnames.count("call_r") == 1
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