llvm-project/mlir/test/python/ir/integer_set.py

129 lines
3.3 KiB
Python

# RUN: %PYTHON %s | FileCheck %s
import gc
from mlir.ir import *
def run(f):
print("\nTEST:", f.__name__)
f()
gc.collect()
assert Context._get_live_count() == 0
# CHECK-LABEL: TEST: testIntegerSetCapsule
def testIntegerSetCapsule():
with Context() as ctx:
is1 = IntegerSet.get_empty(1, 1, ctx)
capsule = is1._CAPIPtr
# CHECK: mlir.ir.IntegerSet._CAPIPtr
print(capsule)
is2 = IntegerSet._CAPICreate(capsule)
assert is1 == is2
assert is2.context is ctx
run(testIntegerSetCapsule)
# CHECK-LABEL: TEST: testIntegerSetGet
def testIntegerSetGet():
with Context():
d0 = AffineDimExpr.get(0)
d1 = AffineDimExpr.get(1)
s0 = AffineSymbolExpr.get(0)
c42 = AffineConstantExpr.get(42)
# CHECK: (d0, d1)[s0] : (d0 - d1 == 0, s0 - 42 >= 0)
set0 = IntegerSet.get(2, 1, [d0 - d1, s0 - c42], [True, False])
print(set0)
# CHECK: (d0)[s0] : (1 == 0)
set1 = IntegerSet.get_empty(1, 1)
print(set1)
# CHECK: (d0)[s0, s1] : (d0 - s1 == 0, s0 - 42 >= 0)
set2 = set0.get_replaced([d0, AffineSymbolExpr.get(1)], [s0], 1, 2)
print(set2)
try:
IntegerSet.get(2, 1, [], [])
except ValueError as e:
# CHECK: Expected non-empty list of constraints
print(e)
try:
IntegerSet.get(2, 1, [d0 - d1], [True, False])
except ValueError as e:
# CHECK: Expected the number of constraints to match that of equality flags
print(e)
try:
IntegerSet.get(2, 1, [0], [True])
except RuntimeError as e:
# CHECK: Invalid expression when attempting to create an IntegerSet
print(e)
try:
IntegerSet.get(2, 1, [None], [True])
except RuntimeError as e:
# CHECK: Invalid expression (None?) when attempting to create an IntegerSet
print(e)
try:
set0.get_replaced([d0], [s0], 1, 1)
except ValueError as e:
# CHECK: Expected the number of dimension replacement expressions to match that of dimensions
print(e)
try:
set0.get_replaced([d0, d1], [s0, s0], 1, 1)
except ValueError as e:
# CHECK: Expected the number of symbol replacement expressions to match that of symbols
print(e)
try:
set0.get_replaced([d0, 1], [s0], 1, 1)
except RuntimeError as e:
# CHECK: Invalid expression when attempting to create an IntegerSet by replacing dimensions
print(e)
try:
set0.get_replaced([d0, d1], [None], 1, 1)
except RuntimeError as e:
# CHECK: Invalid expression (None?) when attempting to create an IntegerSet by replacing symbols
print(e)
run(testIntegerSetGet)
# CHECK-LABEL: TEST: testIntegerSetProperties
def testIntegerSetProperties():
with Context():
d0 = AffineDimExpr.get(0)
d1 = AffineDimExpr.get(1)
s0 = AffineSymbolExpr.get(0)
c42 = AffineConstantExpr.get(42)
set0 = IntegerSet.get(2, 1, [d0 - d1, s0 - c42, s0 - d0], [True, False, False])
# CHECK: 2
print(set0.n_dims)
# CHECK: 1
print(set0.n_symbols)
# CHECK: 3
print(set0.n_inputs)
# CHECK: 1
print(set0.n_equalities)
# CHECK: 2
print(set0.n_inequalities)
# CHECK: 3
print(len(set0.constraints))
# CHECK-DAG: d0 - d1 == 0
# CHECK-DAG: s0 - 42 >= 0
# CHECK-DAG: -d0 + s0 >= 0
for cstr in set0.constraints:
print(cstr.expr, end='')
print(" == 0" if cstr.is_eq else " >= 0")
run(testIntegerSetProperties)