def test_unescaped_array(self):
h = HeapCache()
h.new_array(box1, lengthbox1)
assert h.is_unescaped(box1)
h.invalidate_caches(rop.SETARRAYITEM_GC, None, [box1, index1, box2])
assert h.is_unescaped(box1)
h.invalidate_caches(rop.SETARRAYITEM_GC, None, [box2, index1, box1])
assert not h.is_unescaped(box1)
def test_known_class_box(self):
h = HeapCache()
assert not h.is_class_known(1)
assert not h.is_class_known(2)
h.class_now_known(1)
assert h.is_class_known(1)
assert not h.is_class_known(2)
h.reset()
assert not h.is_class_known(1)
assert not h.is_class_known(2)
def test_nonstandard_virtualizable(self):
h = HeapCache()
assert not h.is_nonstandard_virtualizable(1)
assert not h.is_nonstandard_virtualizable(2)
h.nonstandard_virtualizables_now_known(1)
assert h.is_nonstandard_virtualizable(1)
assert not h.is_nonstandard_virtualizable(2)
h.reset()
assert not h.is_nonstandard_virtualizable(1)
assert not h.is_nonstandard_virtualizable(2)
def test_replace_box(self):
h = HeapCache()
h.setfield(box1, descr1, box2)
h.setfield(box1, descr2, box3)
h.setfield(box2, descr3, box3)
h.replace_box(box1, box4)
assert h.getfield(box1, descr1) is None
assert h.getfield(box1, descr2) is None
assert h.getfield(box4, descr1) is box2
assert h.getfield(box4, descr2) is box3
assert h.getfield(box2, descr3) is box3
def test_length_cache(self):
h = HeapCache()
h.new_array(box1, lengthbox1)
assert h.arraylen(box1) is lengthbox1
assert h.arraylen(box2) is None
h.arraylen_now_known(box2, lengthbox2)
assert h.arraylen(box2) is lengthbox2
def test_circular_virtuals(self):
h = HeapCache()
h.new(box1)
h.new(box2)
h.invalidate_caches(rop.SETFIELD_GC, None, [box1, box2])
h.invalidate_caches(rop.SETFIELD_GC, None, [box2, box1])
h.invalidate_caches(rop.SETFIELD_GC, None, [box3, box1]) # does not crash
def test_heapcache_read_fields_multiple(self):
h = HeapCache()
h.getfield_now_known(box1, descr1, box2)
h.getfield_now_known(box3, descr1, box4)
assert h.getfield(box1, descr1) is box2
assert h.getfield(box1, descr2) is None
assert h.getfield(box3, descr1) is box4
assert h.getfield(box3, descr2) is None
h.reset()
assert h.getfield(box1, descr1) is None
assert h.getfield(box1, descr2) is None
assert h.getfield(box3, descr1) is None
assert h.getfield(box3, descr2) is None
def test_heapcache_read_fields_multiple_array(self):
h = HeapCache()
h.getarrayitem_now_known(box1, descr1, index1, box2)
h.getarrayitem_now_known(box3, descr1, index1, box4)
assert h.getarrayitem(box1, descr1, index1) is box2
assert h.getarrayitem(box1, descr2, index1) is None
assert h.getarrayitem(box3, descr1, index1) is box4
assert h.getarrayitem(box3, descr2, index1) is None
h.reset()
assert h.getarrayitem(box1, descr1, index1) is None
assert h.getarrayitem(box1, descr2, index1) is None
assert h.getarrayitem(box3, descr1, index1) is None
assert h.getarrayitem(box3, descr2, index1) is None
def test_known_class_box(self):
h = HeapCache()
assert not h.is_class_known(1)
assert not h.is_class_known(2)
h.class_now_known(1)
assert h.is_class_known(1)
assert not h.is_class_known(2)
h.reset()
assert not h.is_class_known(1)
assert not h.is_class_known(2)
def test_nonstandard_virtualizable(self):
h = HeapCache()
assert not h.is_nonstandard_virtualizable(1)
assert not h.is_nonstandard_virtualizable(2)
h.nonstandard_virtualizables_now_known(1)
assert h.is_nonstandard_virtualizable(1)
assert not h.is_nonstandard_virtualizable(2)
h.reset()
assert not h.is_nonstandard_virtualizable(1)
assert not h.is_nonstandard_virtualizable(2)
def test_length_cache(self):
h = HeapCache()
h.new_array(box1, lengthbox1)
assert h.arraylen(box1) is lengthbox1
assert h.arraylen(box2) is None
h.arraylen_now_known(box2, lengthbox2)
assert h.arraylen(box2) is lengthbox2
def test_heapcache_array_nonconst_index(self):
h = HeapCache()
h.setarrayitem(box1, descr1, index1, box2)
h.setarrayitem(box1, descr1, index2, box4)
assert h.getarrayitem(box1, descr1, index1) is box2
assert h.getarrayitem(box1, descr1, index2) is box4
h.setarrayitem(box1, descr1, box2, box3)
assert h.getarrayitem(box1, descr1, index1) is None
assert h.getarrayitem(box1, descr1, index2) is None
def test_heapcache_read_fields_multiple(self):
h = HeapCache()
h.getfield_now_known(box1, descr1, box2)
h.getfield_now_known(box3, descr1, box4)
assert h.getfield(box1, descr1) is box2
assert h.getfield(box1, descr2) is None
assert h.getfield(box3, descr1) is box4
assert h.getfield(box3, descr2) is None
h.reset()
assert h.getfield(box1, descr1) is None
assert h.getfield(box1, descr2) is None
assert h.getfield(box3, descr1) is None
assert h.getfield(box3, descr2) is None
def test_heapcache_read_fields_multiple_array(self):
h = HeapCache()
h.getarrayitem_now_known(box1, descr1, index1, box2)
h.getarrayitem_now_known(box3, descr1, index1, box4)
assert h.getarrayitem(box1, descr1, index1) is box2
assert h.getarrayitem(box1, descr2, index1) is None
assert h.getarrayitem(box3, descr1, index1) is box4
assert h.getarrayitem(box3, descr2, index1) is None
h.reset()
assert h.getarrayitem(box1, descr1, index1) is None
assert h.getarrayitem(box1, descr2, index1) is None
assert h.getarrayitem(box3, descr1, index1) is None
assert h.getarrayitem(box3, descr2, index1) is None
def test_circular_virtuals(self):
h = HeapCache()
h.new(box1)
h.new(box2)
h.invalidate_caches(rop.SETFIELD_GC, None, [box1, box2])
h.invalidate_caches(rop.SETFIELD_GC, None, [box2, box1])
h.invalidate_caches(rop.SETFIELD_GC, None, [box3, box1]) # does not crash
def test_heapcache_array_nonconst_index(self):
h = HeapCache()
h.setarrayitem(box1, descr1, index1, box2)
h.setarrayitem(box1, descr1, index2, box4)
assert h.getarrayitem(box1, descr1, index1) is box2
assert h.getarrayitem(box1, descr1, index2) is box4
h.setarrayitem(box1, descr1, box2, box3)
assert h.getarrayitem(box1, descr1, index1) is None
assert h.getarrayitem(box1, descr1, index2) is None
def test_replace_box_array_twice(self):
h = HeapCache()
h.setarrayitem(box1, descr1, index1, box2)
h.setarrayitem(box1, descr2, index1, box3)
h.arraylen_now_known(box1, lengthbox1)
h.setarrayitem(box2, descr1, index2, box1)
h.setarrayitem(box3, descr2, index2, box1)
h.setarrayitem(box2, descr3, index2, box3)
h.replace_box(box1, box4)
h.replace_box(box4, box5)
assert h.arraylen(box4) is lengthbox1
assert h.getarrayitem(box5, descr1, index1) is box2
assert h.getarrayitem(box5, descr2, index1) is box3
assert h.getarrayitem(box2, descr1, index2) is box5
assert h.getarrayitem(box3, descr2, index2) is box5
assert h.getarrayitem(box2, descr3, index2) is box3
h.replace_box(lengthbox1, lengthbox2)
h.replace_box(lengthbox2, lengthbox3)
assert h.arraylen(box4) is lengthbox3
def test_replace_box_twice(self):
h = HeapCache()
h.setfield(box1, descr1, box2)
h.setfield(box1, descr2, box3)
h.setfield(box2, descr3, box3)
h.replace_box(box1, box4)
h.replace_box(box4, box5)
assert h.getfield(box5, descr1) is box2
assert h.getfield(box5, descr2) is box3
assert h.getfield(box2, descr3) is box3
h.setfield(box5, descr1, box3)
assert h.getfield(box4, descr1) is box3
h = HeapCache()
h.setfield(box1, descr1, box2)
h.setfield(box1, descr2, box3)
h.setfield(box2, descr3, box3)
h.replace_box(box3, box4)
h.replace_box(box4, box5)
assert h.getfield(box1, descr1) is box2
assert h.getfield(box1, descr2) is box5
assert h.getfield(box2, descr3) is box5
def test_invalidate_cache(self):
h = HeapCache()
h.setfield(box1, descr1, box2)
h.setarrayitem(box1, descr1, index1, box2)
h.setarrayitem(box1, descr1, index2, box4)
h.invalidate_caches(rop.INT_ADD, None, [])
h.invalidate_caches(rop.INT_ADD_OVF, None, [])
h.invalidate_caches(rop.SETFIELD_RAW, None, [])
h.invalidate_caches(rop.SETARRAYITEM_RAW, None, [])
assert h.getfield(box1, descr1) is box2
assert h.getarrayitem(box1, descr1, index1) is box2
assert h.getarrayitem(box1, descr1, index2) is box4
h.invalidate_caches(
rop.CALL, FakeCallDescr(FakeEffektinfo.EF_ELIDABLE_CANNOT_RAISE),
[])
assert h.getfield(box1, descr1) is box2
assert h.getarrayitem(box1, descr1, index1) is box2
assert h.getarrayitem(box1, descr1, index2) is box4
h.invalidate_caches(rop.GUARD_TRUE, None, [])
assert h.getfield(box1, descr1) is box2
assert h.getarrayitem(box1, descr1, index1) is box2
assert h.getarrayitem(box1, descr1, index2) is box4
h.invalidate_caches(rop.CALL_LOOPINVARIANT,
FakeCallDescr(FakeEffektinfo.EF_LOOPINVARIANT), [])
h.invalidate_caches(rop.CALL,
FakeCallDescr(FakeEffektinfo.EF_RANDOM_EFFECTS),
[])
assert h.getfield(box1, descr1) is None
assert h.getarrayitem(box1, descr1, index1) is None
assert h.getarrayitem(box1, descr1, index2) is None
def test_unescaped(self):
h = HeapCache()
assert not h.is_unescaped(box1)
h.new(box2)
assert h.is_unescaped(box2)
h.invalidate_caches(rop.SETFIELD_GC, None, [box2, box1])
assert h.is_unescaped(box2)
h.invalidate_caches(rop.SETFIELD_GC, None, [box1, box2])
assert not h.is_unescaped(box2)
def test_heapcache_fields(self):
h = HeapCache()
assert h.getfield(box1, descr1) is None
assert h.getfield(box1, descr2) is None
h.setfield(box1, descr1, box2)
assert h.getfield(box1, descr1) is box2
assert h.getfield(box1, descr2) is None
h.setfield(box1, descr2, box3)
assert h.getfield(box1, descr1) is box2
assert h.getfield(box1, descr2) is box3
h.setfield(box1, descr1, box3)
assert h.getfield(box1, descr1) is box3
assert h.getfield(box1, descr2) is box3
h.setfield(box3, descr1, box1)
assert h.getfield(box3, descr1) is box1
assert h.getfield(box1, descr1) is None
assert h.getfield(box1, descr2) is box3
h.reset()
assert h.getfield(box1, descr1) is None
assert h.getfield(box1, descr2) is None
assert h.getfield(box3, descr1) is None
def test_heapcache_arrays(self):
h = HeapCache()
assert h.getarrayitem(box1, descr1, index1) is None
assert h.getarrayitem(box1, descr2, index1) is None
assert h.getarrayitem(box1, descr1, index2) is None
assert h.getarrayitem(box1, descr2, index2) is None
h.setarrayitem(box1, descr1, index1, box2)
assert h.getarrayitem(box1, descr1, index1) is box2
assert h.getarrayitem(box1, descr2, index1) is None
assert h.getarrayitem(box1, descr1, index2) is None
assert h.getarrayitem(box1, descr2, index2) is None
h.setarrayitem(box1, descr1, index2, box4)
assert h.getarrayitem(box1, descr1, index1) is box2
assert h.getarrayitem(box1, descr2, index1) is None
assert h.getarrayitem(box1, descr1, index2) is box4
assert h.getarrayitem(box1, descr2, index2) is None
h.setarrayitem(box1, descr2, index1, box3)
assert h.getarrayitem(box1, descr1, index1) is box2
assert h.getarrayitem(box1, descr2, index1) is box3
assert h.getarrayitem(box1, descr1, index2) is box4
assert h.getarrayitem(box1, descr2, index2) is None
h.setarrayitem(box1, descr1, index1, box3)
assert h.getarrayitem(box1, descr1, index1) is box3
assert h.getarrayitem(box1, descr2, index1) is box3
assert h.getarrayitem(box1, descr1, index2) is box4
assert h.getarrayitem(box1, descr2, index2) is None
h.setarrayitem(box3, descr1, index1, box1)
assert h.getarrayitem(box3, descr1, index1) is box1
assert h.getarrayitem(box1, descr1, index1) is None
assert h.getarrayitem(box1, descr2, index1) is box3
assert h.getarrayitem(box1, descr1, index2) is box4
assert h.getarrayitem(box1, descr2, index2) is None
h.reset()
assert h.getarrayitem(box1, descr1, index1) is None
assert h.getarrayitem(box1, descr2, index1) is None
assert h.getarrayitem(box3, descr1, index1) is None
def test_unescaped_testing(self):
h = HeapCache()
h.new(box1)
h.new(box2)
assert h.is_unescaped(box1)
assert h.is_unescaped(box2)
# Putting a virtual inside of another virtual doesn't escape it.
h.invalidate_caches(rop.SETFIELD_GC, None, [box1, box2])
assert h.is_unescaped(box2)
# Reading a field from a virtual doesn't escape it.
h.invalidate_caches(rop.GETFIELD_GC, None, [box1])
assert h.is_unescaped(box1)
# Escaping a virtual transitively escapes anything inside of it.
assert not h.is_unescaped(box3)
h.invalidate_caches(rop.SETFIELD_GC, None, [box3, box1])
assert not h.is_unescaped(box1)
assert not h.is_unescaped(box2)
def test_ll_arraycopy(self):
h = HeapCache()
h.new_array(box1, lengthbox1)
h.setarrayitem(box1, descr1, index1, box2)
h.new_array(box2, lengthbox1)
# Just need the destination box for this call
h.invalidate_caches(
rop.CALL,
FakeCallDescr(FakeEffektinfo.EF_CANNOT_RAISE,
FakeEffektinfo.OS_ARRAYCOPY),
[None, None, box2, None, None])
assert h.getarrayitem(box1, descr1, index1) is box2
h.invalidate_caches(
rop.CALL,
FakeCallDescr(FakeEffektinfo.EF_CANNOT_RAISE,
FakeEffektinfo.OS_ARRAYCOPY),
[None, None, box3, None, None])
assert h.getarrayitem(box1, descr1, index1) is None
h.setarrayitem(box4, descr1, index1, box2)
assert h.getarrayitem(box4, descr1, index1) is box2
h.invalidate_caches(
rop.CALL,
FakeCallDescr(FakeEffektinfo.EF_CANNOT_RAISE,
FakeEffektinfo.OS_ARRAYCOPY),
[None, None, box2, None, None])
assert h.getarrayitem(box4, descr1, index1) is None
def test_heapcache_fields(self):
h = HeapCache()
assert h.getfield(box1, descr1) is None
assert h.getfield(box1, descr2) is None
h.setfield(box1, descr1, box2)
assert h.getfield(box1, descr1) is box2
assert h.getfield(box1, descr2) is None
h.setfield(box1, descr2, box3)
assert h.getfield(box1, descr1) is box2
assert h.getfield(box1, descr2) is box3
h.setfield(box1, descr1, box3)
assert h.getfield(box1, descr1) is box3
assert h.getfield(box1, descr2) is box3
h.setfield(box3, descr1, box1)
assert h.getfield(box3, descr1) is box1
assert h.getfield(box1, descr1) is None
assert h.getfield(box1, descr2) is box3
h.reset()
assert h.getfield(box1, descr1) is None
assert h.getfield(box1, descr2) is None
assert h.getfield(box3, descr1) is None
def test_replace_box(self):
h = HeapCache()
h.setfield(box1, descr1, box2)
h.setfield(box1, descr2, box3)
h.setfield(box2, descr3, box3)
h.replace_box(box1, box4)
assert h.getfield(box1, descr1) is None
assert h.getfield(box1, descr2) is None
assert h.getfield(box4, descr1) is box2
assert h.getfield(box4, descr2) is box3
assert h.getfield(box2, descr3) is box3
def test_replace_box_array(self):
h = HeapCache()
h.setarrayitem(box1, descr1, index1, box2)
h.setarrayitem(box1, descr2, index1, box3)
h.arraylen_now_known(box1, lengthbox1)
h.setarrayitem(box2, descr1, index2, box1)
h.setarrayitem(box3, descr2, index2, box1)
h.setarrayitem(box2, descr3, index2, box3)
h.replace_box(box1, box4)
assert h.getarrayitem(box1, descr1, index1) is None
assert h.getarrayitem(box1, descr2, index1) is None
assert h.arraylen(box1) is None
assert h.arraylen(box4) is lengthbox1
assert h.getarrayitem(box4, descr1, index1) is box2
assert h.getarrayitem(box4, descr2, index1) is box3
assert h.getarrayitem(box2, descr1, index2) is box4
assert h.getarrayitem(box3, descr2, index2) is box4
assert h.getarrayitem(box2, descr3, index2) is box3
h.replace_box(lengthbox1, lengthbox2)
assert h.arraylen(box4) is lengthbox2
def test_unescaped_array(self):
h = HeapCache()
h.new_array(box1, lengthbox1)
assert h.is_unescaped(box1)
h.invalidate_caches(rop.SETARRAYITEM_GC, None, [box1, index1, box2])
assert h.is_unescaped(box1)
h.invalidate_caches(rop.SETARRAYITEM_GC, None, [box2, index1, box1])
assert not h.is_unescaped(box1)
h = HeapCache()
h.new_array(box1, lengthbox1)
h.new(box2)
assert h.is_unescaped(box1)
assert h.is_unescaped(box2)
h.invalidate_caches(rop.SETARRAYITEM_GC, None, [box1, lengthbox2, box2])
assert h.is_unescaped(box1)
assert h.is_unescaped(box2)
h.invalidate_caches(
rop.CALL, FakeCallDescr(FakeEffektinfo.EF_RANDOM_EFFECTS), [box1]
)
assert not h.is_unescaped(box1)
assert not h.is_unescaped(box2)
def test_unescaped_testing(self):
h = HeapCache()
h.new(box1)
h.new(box2)
assert h.is_unescaped(box1)
assert h.is_unescaped(box2)
# Putting a virtual inside of another virtual doesn't escape it.
h.invalidate_caches(rop.SETFIELD_GC, None, [box1, box2])
assert h.is_unescaped(box2)
# Reading a field from a virtual doesn't escape it.
h.invalidate_caches(rop.GETFIELD_GC, None, [box1])
assert h.is_unescaped(box1)
# Escaping a virtual transitively escapes anything inside of it.
assert not h.is_unescaped(box3)
h.invalidate_caches(rop.SETFIELD_GC, None, [box3, box1])
assert not h.is_unescaped(box1)
assert not h.is_unescaped(box2)
def test_unescaped(self):
h = HeapCache()
assert not h.is_unescaped(box1)
h.new(box2)
assert h.is_unescaped(box2)
h.invalidate_caches(rop.SETFIELD_GC, None, [box2, box1])
assert h.is_unescaped(box2)
h.invalidate_caches(rop.SETFIELD_GC, None, [box1, box2])
assert not h.is_unescaped(box2)
def test_heapcache_arrays(self):
h = HeapCache()
assert h.getarrayitem(box1, descr1, index1) is None
assert h.getarrayitem(box1, descr2, index1) is None
assert h.getarrayitem(box1, descr1, index2) is None
assert h.getarrayitem(box1, descr2, index2) is None
h.setarrayitem(box1, descr1, index1, box2)
assert h.getarrayitem(box1, descr1, index1) is box2
assert h.getarrayitem(box1, descr2, index1) is None
assert h.getarrayitem(box1, descr1, index2) is None
assert h.getarrayitem(box1, descr2, index2) is None
h.setarrayitem(box1, descr1, index2, box4)
assert h.getarrayitem(box1, descr1, index1) is box2
assert h.getarrayitem(box1, descr2, index1) is None
assert h.getarrayitem(box1, descr1, index2) is box4
assert h.getarrayitem(box1, descr2, index2) is None
h.setarrayitem(box1, descr2, index1, box3)
assert h.getarrayitem(box1, descr1, index1) is box2
assert h.getarrayitem(box1, descr2, index1) is box3
assert h.getarrayitem(box1, descr1, index2) is box4
assert h.getarrayitem(box1, descr2, index2) is None
h.setarrayitem(box1, descr1, index1, box3)
assert h.getarrayitem(box1, descr1, index1) is box3
assert h.getarrayitem(box1, descr2, index1) is box3
assert h.getarrayitem(box1, descr1, index2) is box4
assert h.getarrayitem(box1, descr2, index2) is None
h.setarrayitem(box3, descr1, index1, box1)
assert h.getarrayitem(box3, descr1, index1) is box1
assert h.getarrayitem(box1, descr1, index1) is None
assert h.getarrayitem(box1, descr2, index1) is box3
assert h.getarrayitem(box1, descr1, index2) is box4
assert h.getarrayitem(box1, descr2, index2) is None
h.reset()
assert h.getarrayitem(box1, descr1, index1) is None
assert h.getarrayitem(box1, descr2, index1) is None
assert h.getarrayitem(box3, descr1, index1) is None
def test_unescaped_array(self):
h = HeapCache()
h.new_array(box1, lengthbox1)
assert h.is_unescaped(box1)
h.invalidate_caches(rop.SETARRAYITEM_GC, None, [box1, index1, box2])
assert h.is_unescaped(box1)
h.invalidate_caches(rop.SETARRAYITEM_GC, None, [box2, index1, box1])
assert not h.is_unescaped(box1)
h = HeapCache()
h.new_array(box1, lengthbox1)
h.new(box2)
assert h.is_unescaped(box1)
assert h.is_unescaped(box2)
h.invalidate_caches(rop.SETARRAYITEM_GC, None,
[box1, lengthbox2, box2])
assert h.is_unescaped(box1)
assert h.is_unescaped(box2)
h.invalidate_caches(rop.CALL,
FakeCallDescr(FakeEffektinfo.EF_RANDOM_EFFECTS),
[box1])
assert not h.is_unescaped(box1)
assert not h.is_unescaped(box2)
def test_invalidate_cache(self):
h = HeapCache()
h.setfield(box1, descr1, box2)
h.setarrayitem(box1, descr1, index1, box2)
h.setarrayitem(box1, descr1, index2, box4)
h.invalidate_caches(rop.INT_ADD, None, [])
h.invalidate_caches(rop.INT_ADD_OVF, None, [])
h.invalidate_caches(rop.SETFIELD_RAW, None, [])
h.invalidate_caches(rop.SETARRAYITEM_RAW, None, [])
assert h.getfield(box1, descr1) is box2
assert h.getarrayitem(box1, descr1, index1) is box2
assert h.getarrayitem(box1, descr1, index2) is box4
h.invalidate_caches(
rop.CALL, FakeCallDescr(FakeEffektinfo.EF_ELIDABLE_CANNOT_RAISE), [])
assert h.getfield(box1, descr1) is box2
assert h.getarrayitem(box1, descr1, index1) is box2
assert h.getarrayitem(box1, descr1, index2) is box4
h.invalidate_caches(
rop.CALL_LOOPINVARIANT, FakeCallDescr(FakeEffektinfo.EF_LOOPINVARIANT), [])
h.invalidate_caches(
rop.CALL, FakeCallDescr(FakeEffektinfo.EF_RANDOM_EFFECTS), [])
assert h.getfield(box1, descr1) is None
assert h.getarrayitem(box1, descr1, index1) is None
assert h.getarrayitem(box1, descr1, index2) is None
def test_replace_box_twice(self):
h = HeapCache()
h.setfield(box1, descr1, box2)
h.setfield(box1, descr2, box3)
h.setfield(box2, descr3, box3)
h.replace_box(box1, box4)
h.replace_box(box4, box5)
assert h.getfield(box5, descr1) is box2
assert h.getfield(box5, descr2) is box3
assert h.getfield(box2, descr3) is box3
h.setfield(box5, descr1, box3)
assert h.getfield(box4, descr1) is box3
h = HeapCache()
h.setfield(box1, descr1, box2)
h.setfield(box1, descr2, box3)
h.setfield(box2, descr3, box3)
h.replace_box(box3, box4)
h.replace_box(box4, box5)
assert h.getfield(box1, descr1) is box2
assert h.getfield(box1, descr2) is box5
assert h.getfield(box2, descr3) is box5
def test_heapcache_write_fields_multiple_array(self):
h = HeapCache()
h.setarrayitem(box1, descr1, index1, box2)
assert h.getarrayitem(box1, descr1, index1) is box2
h.setarrayitem(box3, descr1, index1, box4)
assert h.getarrayitem(box3, descr1, index1) is box4
assert h.getarrayitem(box1, descr1,
index1) is None # box1 and box3 can alias
h = HeapCache()
h.new(box1)
h.setarrayitem(box1, descr1, index1, box2)
assert h.getarrayitem(box1, descr1, index1) is box2
h.setarrayitem(box3, descr1, index1, box4)
assert h.getarrayitem(box3, descr1, index1) is box4
assert h.getarrayitem(box1, descr1,
index1) is None # box1 and box3 can alias
h = HeapCache()
h.new(box1)
h.new(box3)
h.setarrayitem(box1, descr1, index1, box2)
assert h.getarrayitem(box1, descr1, index1) is box2
h.setarrayitem(box3, descr1, index1, box4)
assert h.getarrayitem(box3, descr1, index1) is box4
assert h.getarrayitem(box1, descr1,
index1) is box2 # box1 and box3 cannot alias
h.setarrayitem(box1, descr1, index1, box3)
assert h.getarrayitem(box3, descr1, index1) is box4
assert h.getarrayitem(box1, descr1,
index1) is box3 # box1 and box3 cannot alias
def test_heapcache_write_fields_multiple_array(self):
h = HeapCache()
h.setarrayitem(box1, descr1, index1, box2)
assert h.getarrayitem(box1, descr1, index1) is box2
h.setarrayitem(box3, descr1, index1, box4)
assert h.getarrayitem(box3, descr1, index1) is box4
assert h.getarrayitem(box1, descr1, index1) is None # box1 and box3 can alias
h = HeapCache()
h.new(box1)
h.setarrayitem(box1, descr1, index1, box2)
assert h.getarrayitem(box1, descr1, index1) is box2
h.setarrayitem(box3, descr1, index1, box4)
assert h.getarrayitem(box3, descr1, index1) is box4
assert h.getarrayitem(box1, descr1, index1) is None # box1 and box3 can alias
h = HeapCache()
h.new(box1)
h.new(box3)
h.setarrayitem(box1, descr1, index1, box2)
assert h.getarrayitem(box1, descr1, index1) is box2
h.setarrayitem(box3, descr1, index1, box4)
assert h.getarrayitem(box3, descr1, index1) is box4
assert h.getarrayitem(box1, descr1, index1) is box2 # box1 and box3 cannot alias
h.setarrayitem(box1, descr1, index1, box3)
assert h.getarrayitem(box3, descr1, index1) is box4
assert h.getarrayitem(box1, descr1, index1) is box3 # box1 and box3 cannot alias
def test_ll_arraycopy(self):
h = HeapCache()
h.new_array(box1, lengthbox1)
h.setarrayitem(box1, descr1, index1, box2)
h.new_array(box2, lengthbox1)
# Just need the destination box for this call
h.invalidate_caches(
rop.CALL,
FakeCallDescr(FakeEffektinfo.EF_CANNOT_RAISE, FakeEffektinfo.OS_ARRAYCOPY),
[None, None, box2, None, None]
)
assert h.getarrayitem(box1, descr1, index1) is box2
h.invalidate_caches(
rop.CALL,
FakeCallDescr(FakeEffektinfo.EF_CANNOT_RAISE, FakeEffektinfo.OS_ARRAYCOPY),
[None, None, box3, None, None]
)
assert h.getarrayitem(box1, descr1, index1) is None
h.setarrayitem(box4, descr1, index1, box2)
assert h.getarrayitem(box4, descr1, index1) is box2
h.invalidate_caches(
rop.CALL,
FakeCallDescr(FakeEffektinfo.EF_CANNOT_RAISE, FakeEffektinfo.OS_ARRAYCOPY),
[None, None, box2, None, None]
)
assert h.getarrayitem(box4, descr1, index1) is None
