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_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_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_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_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_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_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_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_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_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_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_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