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

107 lines
2.6 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
return f
# CHECK-LABEL: TEST: testDialectDescriptor
@run
def testDialectDescriptor():
ctx = Context()
d = ctx.get_dialect_descriptor("std")
# CHECK: <DialectDescriptor std>
print(d)
# CHECK: std
print(d.namespace)
try:
_ = ctx.get_dialect_descriptor("not_existing")
except ValueError:
pass
else:
assert False, "Expected exception"
# CHECK-LABEL: TEST: testUserDialectClass
@run
def testUserDialectClass():
ctx = Context()
# Access using attribute.
d = ctx.dialects.std
# CHECK: <Dialect std (class mlir.dialects._std_ops_gen._Dialect)>
print(d)
try:
_ = ctx.dialects.not_existing
except AttributeError:
pass
else:
assert False, "Expected exception"
# Access using index.
d = ctx.dialects["std"]
# CHECK: <Dialect std (class mlir.dialects._std_ops_gen._Dialect)>
print(d)
try:
_ = ctx.dialects["not_existing"]
except IndexError:
pass
else:
assert False, "Expected exception"
# Using the 'd' alias.
d = ctx.d["std"]
# CHECK: <Dialect std (class mlir.dialects._std_ops_gen._Dialect)>
print(d)
# CHECK-LABEL: TEST: testCustomOpView
# This test uses the standard dialect AddFOp as an example of a user op.
# TODO: Op creation and access is still quite verbose: simplify this test as
# additional capabilities come online.
@run
def testCustomOpView():
def createInput():
op = Operation.create("pytest_dummy.intinput", results=[f32])
# TODO: Auto result cast from operation
return op.results[0]
with Context() as ctx, Location.unknown():
ctx.allow_unregistered_dialects = True
m = Module.create()
with InsertionPoint(m.body):
f32 = F32Type.get()
# Create via dialects context collection.
input1 = createInput()
input2 = createInput()
op1 = ctx.dialects.std.AddFOp(input1.type, input1, input2)
# Create via an import
from mlir.dialects.std import AddFOp
AddFOp(input1.type, input1, op1.result)
# CHECK: %[[INPUT0:.*]] = "pytest_dummy.intinput"
# CHECK: %[[INPUT1:.*]] = "pytest_dummy.intinput"
# CHECK: %[[R0:.*]] = addf %[[INPUT0]], %[[INPUT1]] : f32
# CHECK: %[[R1:.*]] = addf %[[INPUT0]], %[[R0]] : f32
m.operation.print()
# CHECK-LABEL: TEST: testIsRegisteredOperation
@run
def testIsRegisteredOperation():
ctx = Context()
# CHECK: std.cond_br: True
print(f"std.cond_br: {ctx.is_registered_operation('std.cond_br')}")
# CHECK: std.not_existing: False
print(f"std.not_existing: {ctx.is_registered_operation('std.not_existing')}")