def test_subtraction(self):
opt = Optimizer([ConstantFold])
opt.add_operation(Types.INT, Operations.INT_SUB,
[opt.new_constant_int(1), opt.new_constant_int(0)]
)
ops = opt.build_operations()
assert len(ops) == 0
def test_addition(self):
opt = Optimizer([ConstantFold])
res = opt.add_operation(Types.INT, Operations.INT_ADD,
[opt.new_constant_int(1), opt.new_constant_int(0)]
)
ops = opt.build_operations()
assert len(ops) == 0
assert opt.getvalue(res).getint() == 1
def test_gt(self):
opt = Optimizer([IntBounds, GuardPropagation])
i0 = opt.add_input(Types.INT)
i1 = opt.add_operation(Operations.INT_GT,
[i0, opt.new_constant_int(10)])
opt.add_operation(Operations.GUARD_TRUE, [i1])
opt.add_operation(Operations.INT_GT, [i0, opt.new_constant_int(5)])
ops = opt.build_operations()
assert len(ops) == 2
def test_lt(self):
opt = Optimizer([IntBounds, GuardPropagation])
i0 = opt.add_input(Types.INT)
i1 = opt.add_operation(Types.INT, Operations.INT_LT,
[i0, opt.new_constant_int(10)],
)
opt.add_operation(Types.VOID, Operations.GUARD_TRUE, [i1])
opt.add_operation(Types.INT, Operations.INT_LT, [i0, opt.new_constant_int(15)])
ops = opt.build_operations()
assert len(ops) == 2
def test_ge_reverse(self):
opt = Optimizer([IntBounds, GuardPropagation])
i0 = opt.add_input(Types.INT)
i1 = opt.add_operation(Operations.INT_LT,
[i0, opt.new_constant_int(5)])
opt.add_operation(Operations.GUARD_TRUE, [i1])
i2 = opt.add_operation(Operations.INT_GE,
[i0, opt.new_constant_int(7)])
opt.add_operation(Operations.GUARD_FALSE, [i2])
ops = opt.build_operations()
assert len(ops) == 2
assert opt.getvalue(i2).getint() == 0
def test_lt_reverse(self):
opt = Optimizer([IntBounds, GuardPropagation])
i0 = opt.add_input(Types.INT)
i1 = opt.add_operation(Types.INT, Operations.INT_GT,
[i0, opt.new_constant_int(5)]
)
opt.add_operation(Types.VOID, Operations.GUARD_TRUE, [i1])
i2 = opt.add_operation(Types.INT, Operations.INT_LT,
[i0, opt.new_constant_int(3)]
)
opt.add_operation(Types.VOID, Operations.GUARD_FALSE, [i2])
ops = opt.build_operations()
assert len(ops) == 2
assert opt.getvalue(i2).getint() == 0
def test_cant_fold(self):
opt = Optimizer([ConstantFold])
i0 = opt.add_input(Types.INT)
opt.add_operation(Operations.INT_ADD, [i0, opt.new_constant_int(1)])
ops = opt.build_operations()
assert len(ops) == 1
def test_subtraction(self):
opt = Optimizer([ConstantFold])
opt.add_operation(Types.INT, Operations.INT_SUB,
[opt.new_constant_int(1),
opt.new_constant_int(0)])
ops = opt.build_operations()
assert len(ops) == 0
def test_cant_fold(self):
opt = Optimizer([ConstantFold])
i0 = opt.add_input(Types.INT)
opt.add_operation(Types.INT, Operations.INT_ADD,
[i0, opt.new_constant_int(1)]
)
ops = opt.build_operations()
assert len(ops) == 1
def test_subtraction(self):
opt = Optimizer([ConstantFold])
res = opt.add_operation(
Operations.INT_SUB,
[opt.new_constant_int(1),
opt.new_constant_int(0)])
ops = opt.build_operations()
assert len(ops) == 0
assert opt.getvalue(res).getint() == 1
def test_guard_false(self):
opt = Optimizer([ConstantFold, GuardPropagation])
i0 = opt.add_input(Types.INT)
opt.add_operation(Types.VOID, Operations.GUARD_FALSE, [i0])
opt.add_operation(Types.INT, Operations.INT_EQ, [i0, opt.new_constant_int(1)])
ops = opt.build_operations()
assert len(ops) == 1
assert opt.getvalue(i0).getint() == 0
def test_guard_value(self):
opt = Optimizer([GuardPropagation])
i0 = opt.add_input(Types.INT)
opt.add_operation(Operations.GUARD_VALUE,
[i0, opt.new_constant_int(5)])
ops = opt.build_operations()
assert len(ops) == 1
assert opt.getvalue(i0).getint() == 5
def test_guard_false(self):
opt = Optimizer([ConstantFold, GuardPropagation])
i0 = opt.add_input(Types.INT)
opt.add_operation(Operations.GUARD_FALSE, [i0])
opt.add_operation(Operations.INT_EQ, [i0, opt.new_constant_int(1)])
ops = opt.build_operations()
assert len(ops) == 1
assert opt.getvalue(i0).getint() == 0