def _optimize_NEWSTR(self, op, mode):
length_box = self.get_constant_box(op.getarg(0))
if length_box:
# if the original 'op' did not have a ConstInt as argument,
# build a new one with the ConstInt argument
if not isinstance(op.getarg(0), ConstInt):
op = ResOperation(mode.NEWSTR, [length_box], op.result)
vvalue = self.make_vstring_plain(op.result, op, mode)
vvalue.setup(length_box.getint())
else:
self.getvalue(op.result).ensure_nonnull()
self.emit_operation(op)
self.pure(mode.STRLEN, [op.result], op.getarg(0))
def _optimize_NEWSTR(self, op, mode):
length_box = self.get_constant_box(op.getarg(0))
if length_box:
# if the original 'op' did not have a ConstInt as argument,
# build a new one with the ConstInt argument
if not isinstance(op.getarg(0), ConstInt):
op = ResOperation(mode.NEWSTR, [length_box], op.result)
vvalue = self.make_vstring_plain(op.result, op, mode)
vvalue.setup(length_box.getint())
else:
self.getvalue(op.result).ensure_nonnull()
self.emit_operation(op)
self.pure(mode.STRLEN, [op.result], op.getarg(0))
def optimize_VIRTUAL_REF(self, op):
op = ResOperation(rop.SAME_AS, [op.getarg(0)], op.result)
self.emit_operation(op)
def optimize_VIRTUAL_REF(self, op):
op = ResOperation(rop.SAME_AS, [op.getarg(0)], op.result)
self.emit_operation(op)
