106 lines
3.9 KiB
Python
106 lines
3.9 KiB
Python
# Licensed to the Apache Software Foundation (ASF) under one
|
|
# or more contributor license agreements. See the NOTICE file
|
|
# distributed with this work for additional information
|
|
# regarding copyright ownership. The ASF licenses this file
|
|
# to you under the Apache License, Version 2.0 (the
|
|
# "License"); you may not use this file except in compliance
|
|
# with the License. You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing,
|
|
# software distributed under the License is distributed on an
|
|
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
|
|
# KIND, either express or implied. See the License for the
|
|
# specific language governing permissions and limitations
|
|
# under the License.
|
|
import pytest
|
|
|
|
import tvm
|
|
from tvm.target import Target, _ffi_api, codegen
|
|
|
|
LLVM_VERSION = codegen.llvm_version_major()
|
|
|
|
|
|
def test_llvm_targets(capfd):
|
|
##
|
|
## check LLVM backend
|
|
##
|
|
|
|
# check blank results
|
|
assert len(codegen.llvm_get_targets())
|
|
assert len(codegen.llvm_get_system_cpu())
|
|
assert len(codegen.llvm_get_system_triple())
|
|
assert len(codegen.llvm_get_system_x86_vendor())
|
|
# check ffi vs python
|
|
assert codegen.llvm_get_system_cpu() == _ffi_api.llvm_get_system_cpu()
|
|
assert codegen.llvm_get_system_triple() == _ffi_api.llvm_get_system_triple()
|
|
assert codegen.llvm_get_system_x86_vendor() == _ffi_api.llvm_get_system_x86_vendor()
|
|
assert str(codegen.llvm_get_targets()) == str(_ffi_api.llvm_get_targets())
|
|
|
|
tvm.target.codegen.llvm_get_cpu_features(
|
|
tvm.target.Target({"kind": "llvm", "mtriple": "x86_64-linux-gnu", "mcpu": "dummy"})
|
|
)
|
|
expected_str = (
|
|
" with `-mcpu=dummy` is not valid in "
|
|
"`-mtriple=x86_64-linux-gnu`, using default `-mcpu=generic`"
|
|
)
|
|
readout_error = capfd.readouterr().err
|
|
assert "Error: Using LLVM " in readout_error
|
|
assert expected_str in readout_error
|
|
|
|
|
|
@pytest.mark.parametrize(
|
|
"min_llvm_version,llvm_target,cpu_arch,cpu_features,is_supported",
|
|
[
|
|
(-1, "x86_64", "sandybridge", "sse4.1", True),
|
|
(-1, "x86_64", "ivybridge", ["sse4.1", "ssse3"], True),
|
|
(-1, "x86_64", "ivybridge", ["sse4.1", "ssse3", "avx512bw"], False),
|
|
# 32bit vs 64bit
|
|
(-1, "aarch64", "cortex-a55", "neon", True),
|
|
(-1, "aarch64", "cortex-a55", "dotprod", True),
|
|
(-1, "aarch64", "cortex-a55", "dsp", False),
|
|
(-1, "arm", "cortex-a55", "dsp", True),
|
|
(-1, "aarch64", "cortex-a55", ["neon", "dotprod"], True),
|
|
(-1, "aarch64", "cortex-a55", ["neon", "dotprod", "dsp"], False),
|
|
(-1, "arm", "cortex-a55", ["neon", "dotprod"], True),
|
|
(-1, "aarch64", "cortex-a55", ["neon", "dotprod", "dsp"], False),
|
|
(-1, "arm", "cortex-a55", ["neon", "dotprod", "dsp"], True),
|
|
],
|
|
)
|
|
def test_target_features(min_llvm_version, llvm_target, cpu_arch, cpu_features, is_supported):
|
|
target = Target({"kind": "llvm", "mtriple": f"{llvm_target}--", "mcpu": cpu_arch})
|
|
|
|
##
|
|
## legalize llvm_target
|
|
##
|
|
|
|
assert llvm_target in codegen.llvm_get_targets()
|
|
|
|
##
|
|
## legalize cpu_arch
|
|
##
|
|
|
|
### with context
|
|
with target:
|
|
assert cpu_arch in codegen.llvm_get_cpu_archlist()
|
|
### no context but with expicit target
|
|
assert cpu_arch in codegen.llvm_get_cpu_archlist(target)
|
|
# check ffi vs python
|
|
assert str(codegen.llvm_get_cpu_archlist(target)) == str(_ffi_api.llvm_get_cpu_archlist(target))
|
|
|
|
##
|
|
## check has_features
|
|
##
|
|
|
|
### with context
|
|
with target:
|
|
assert codegen.llvm_cpu_has_features(cpu_features) == is_supported
|
|
### no context but with expicit target
|
|
assert codegen.llvm_cpu_has_features(cpu_features, target) == is_supported
|
|
# check ffi vs python
|
|
for feat in cpu_features:
|
|
assert str(codegen.llvm_cpu_has_features(feat, target)) == str(
|
|
_ffi_api.llvm_cpu_has_feature(feat, target)
|
|
)
|