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from rpython.jit.metainterp.optimizeopt.optimizer import Optimization
from rpython.jit.metainterp.optimizeopt.util import make_dispatcher_method
from rpython.jit.metainterp.resoperation import rop, OpHelpers
class OptSimplify(Optimization):
def emit(self, op):
if op.is_guard():
if self.optimizer.pendingfields is None:
self.optimizer.pendingfields = []
return Optimization.emit(self, op)
def optimize_CALL_PURE_I(self, op):
opnum = OpHelpers.call_for_descr(op.getdescr())
newop = self.optimizer.replace_op_with(op, opnum)
return self.emit(newop)
optimize_CALL_PURE_R = optimize_CALL_PURE_I
optimize_CALL_PURE_F = optimize_CALL_PURE_I
optimize_CALL_PURE_N = optimize_CALL_PURE_I
def optimize_CALL_LOOPINVARIANT_I(self, op):
opnum = OpHelpers.call_for_descr(op.getdescr())
op = op.copy_and_change(opnum)
return self.emit(op)
optimize_CALL_LOOPINVARIANT_R = optimize_CALL_LOOPINVARIANT_I
optimize_CALL_LOOPINVARIANT_F = optimize_CALL_LOOPINVARIANT_I
optimize_CALL_LOOPINVARIANT_N = optimize_CALL_LOOPINVARIANT_I
def optimize_VIRTUAL_REF_FINISH(self, op):
pass
def optimize_VIRTUAL_REF(self, op):
newop = self.replace_op_with(op, rop.SAME_AS_R, [op.getarg(0)])
return self.emit(newop)
def optimize_QUASIIMMUT_FIELD(self, op):
# xxx ideally we could also kill the following GUARD_NOT_INVALIDATED
# but it's a bit hard to implement robustly if heap.py is also run
pass
def optimize_ASSERT_NOT_NONE(self, op):
pass
def optimize_RECORD_EXACT_CLASS(self, op):
pass
def optimize_RECORD_EXACT_VALUE_R(self, op):
pass
def optimize_RECORD_EXACT_VALUE_I(self, op):
pass
def optimize_GUARD_FUTURE_CONDITION(self, op):
self.optimizer.notice_guard_future_condition(op)
dispatch_opt = make_dispatcher_method(OptSimplify, 'optimize_',
default=OptSimplify.emit)
OptSimplify.propagate_forward = dispatch_opt
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