def test_branch_elimination(self):
from nitrous.module import dump
add_5 = False
add_any = True
@function(Long, a=Long, b=Bool)
def f1(a, b):
if add_any and b:
a += 5
return a
@function(Long, a=Long)
def f2(a):
if add_any and add_5:
a += 5
return a
m1 = module([f1])
ir = " ".join(dump(m1).split("\n"))
# In first function, conditional depends on a parameter
self.assertRegexpMatches(ir, "icmp")
m2 = module([f2])
ir = " ".join(dump(m2).split("\n"))
# In second, entire conditional is resolved at
# compile time and optimized away
self.assertNotRegexpMatches(ir, "icmp")
def test_branch_elimination(self):
from nitrous.module import dump
add_5 = False
add_any = True
@function(Long, a=Long, b=Bool)
def f1(a, b):
if add_any and b:
a += 5
return a
@function(Long, a=Long)
def f2(a):
if add_any and add_5:
a += 5
return a
m1 = module([f1])
ir = " ".join(dump(m1).split("\n"))
# In first function, conditional depends on a parameter
self.assertRegexpMatches(ir, "icmp")
m2 = module([f2])
ir = " ".join(dump(m2).split("\n"))
# In second, entire conditional is resolved at
# compile time and optimized away
self.assertNotRegexpMatches(ir, "icmp")
def test(self):
from nitrous.module import dump
@function(Float, a=Double)
def cast_(a):
return Float(a)
m = module([cast_])
self.assertEqual(m.cast_(1.0), 1.0)
self.assertRegexpMatches(dump(m), "trunc")
def test(self):
from nitrous.module import dump
from nitrous.function import options
@options(inline=True)
@function(Long, a=Long, b=Long)
def foo(a, b):
return a + b
m = module([foo])
self.assertRegexpMatches(dump(m), "alwaysinline")
def test(self):
from nitrous.module import dump
from nitrous.function import options
@options(inline=True)
@function(Long, a=Long, b=Long)
def foo(a, b):
return a + b
m = module([foo])
self.assertRegexpMatches(dump(m), "alwaysinline")
def test_cast_long_to_int(self):
"""Cast between wider and narrower integer"""
from nitrous.lib import cast
from nitrous.types import Int, Byte
from nitrous.module import dump
@function(Byte, a=Int)
def int_to_long(a):
return cast(a, Byte)
m = module([int_to_long])
self.assertEqual(m.int_to_long(3), 3)
self.assertRegexpMatches(dump(m), "trunc")
def test_cast_float_to_double(self):
"""Cast between narrower and wider float"""
from nitrous.lib import cast
from nitrous.types import Float
from nitrous.module import dump
@function(Double, a=Float)
def float_to_double(a):
return cast(a, Double)
m = module([float_to_double])
self.assertEqual(m.float_to_double(1.0), 1.0)
self.assertRegexpMatches(dump(m), "ext")
def test_cast_double_to_float(self):
"""Cast between wider and narrower float"""
from nitrous.lib import cast
from nitrous.types import Float
from nitrous.module import dump
@function(Float, a=Double)
def double_to_float(a):
return cast(a, Float)
m = module([double_to_float])
self.assertEqual(m.double_to_float(1.0), 1.0)
self.assertRegexpMatches(dump(m), "trunc")
def test_mixed_dynamic_dimension(self):
"""Some dimensions are dynamic, other than major one"""
from nitrous.module import dump
D = Slice(Long, shape=(Any, 3, Any))
X, Y, Z = range(3)
@function(Long, a=D)
def f(a):
return a[2, 1, 2]
m = module([f])
# Should have run-time multiplications during index flattening.
self.assertRegexpMatches(dump(m), "mul")
self.assertEqual(m.f(self.data), 14)
def test_all_dynamic_dimension(self):
"""All dimensions are dynamic, no indices can be resolved at runtime"""
from nitrous.module import dump
D = Slice(Long, shape=(Any, Any, Any))
X, Y, Z = range(3)
@function(Long, a=D)
def f(a):
return a[2, 1, 2]
m = module([f])
# Should have run-time multiplications during index flattening.
self.assertRegexpMatches(dump(m), "mul")
self.assertEqual(m.f(self.data), 14)
def test_static_dimension(self):
"""Replace access to known dimensions with direct constants"""
from nitrous.module import dump
D = Slice(Long, shape=(Any, 3, 3))
X, Y, Z = range(3)
@function(Long, a=D)
def f(a):
return a[2, 1, 2]
m = module([f])
# All indices should be resolved at run-time, so there should be no multiplications.
self.assertNotRegexpMatches(dump(m), "mul")
self.assertEqual(m.f(self.data), 14)
def test_mixed_dynamic_dimension(self):
"""Some dimensions are dynamic, other than major one"""
from nitrous.module import dump
D = Slice(Long, shape=(Any, 3, Any))
X, Y, Z = range(3)
@function(Long, a=D)
def f(a):
return a[2, 1, 2]
m = module([f])
# Should have run-time multiplications during index flattening.
self.assertRegexpMatches(dump(m), "mul")
self.assertEqual(m.f(self.data), 14)
def test_all_dynamic_dimension(self):
"""All dimensions are dynamic, no indices can be resolved at runtime"""
from nitrous.module import dump
D = Slice(Long, shape=(Any, Any, Any))
X, Y, Z = range(3)
@function(Long, a=D)
def f(a):
return a[2, 1, 2]
m = module([f])
# Should have run-time multiplications during index flattening.
self.assertRegexpMatches(dump(m), "mul")
self.assertEqual(m.f(self.data), 14)
def test_static_dimension(self):
"""Replace access to known dimensions with direct constants"""
from nitrous.module import dump
D = Slice(Long, shape=(Any, 3, 3))
X, Y, Z = range(3)
@function(Long, a=D)
def f(a):
return a[2, 1, 2]
m = module([f])
# All indices should be resolved at run-time, so there should be no multiplications.
self.assertNotRegexpMatches(dump(m), "mul")
self.assertEqual(m.f(self.data), 14)
def test_encode_args(self):
"""Function name is uniqued according to its argument types."""
from nitrous.types.array import Slice
from nitrous.types import Float, Double
def get0(T):
@function(T.element_type, v=T)
def get0(v):
return v[0]
return get0
get0f = get0(Slice(Float))
get0d = get0(Slice(Double))
m = module([get0f, get0d])
ir = dump(m)
self.assertIn("get0_RBdAnyf4", ir)
self.assertIn("get0_RBdAnyf8", ir)
def test_encode_args(self):
"""Function name is uniqued according to its argument types."""
from nitrous.types.array import Slice
from nitrous.types import Float, Double
def get0(T):
@function(T.element_type, v=T)
def get0(v):
return v[0]
return get0
get0f = get0(Slice(Float))
get0d = get0(Slice(Double))
m = module([get0f, get0d])
ir = dump(m)
self.assertIn("get0_RBdAnyf4", ir)
self.assertIn("get0_RBdAnyf8", ir)