def test_random_effects_on_stacklet_switch():
from pypy.jit.backend.llgraph.runner import LLtypeCPU
from pypy.rlib._rffi_stacklet import switch, thread_handle, handle
@jit.dont_look_inside
def f():
switch(rffi.cast(thread_handle, 0), rffi.cast(handle, 0))
rtyper = support.annotate(f, [])
jitdriver_sd = FakeJitDriverSD(rtyper.annotator.translator.graphs[0])
cc = CallControl(LLtypeCPU(rtyper), jitdrivers_sd=[jitdriver_sd])
res = cc.find_all_graphs(FakePolicy())
[f_graph] = [x for x in res if x.func is f]
[block, _] = list(f_graph.iterblocks())
op = block.operations[-1]
call_descr = cc.getcalldescr(op)
assert call_descr.extrainfo.has_random_effects()
def test_releases_gil_analyzer():
from pypy.jit.backend.llgraph.runner import LLtypeCPU
T = rffi.CArrayPtr(rffi.TIME_T)
external = rffi.llexternal("time", [T], rffi.TIME_T, threadsafe=True)
@jit.dont_look_inside
def f():
return external(lltype.nullptr(T.TO))
rtyper = support.annotate(f, [])
jitdriver_sd = FakeJitDriverSD(rtyper.annotator.translator.graphs[0])
cc = CallControl(LLtypeCPU(rtyper), jitdrivers_sd=[jitdriver_sd])
res = cc.find_all_graphs(FakePolicy())
[f_graph] = [x for x in res if x.func is f]
[block, _] = list(f_graph.iterblocks())
[op] = block.operations
call_descr = cc.getcalldescr(op)
assert call_descr.extrainfo.has_random_effects()
