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# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
# See https://llvm.org/LICENSE.txt for license information.
# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
# This file contains the Nvgpu class.
from mlir import execution_engine
from mlir import ir
from mlir import passmanager
from typing import Sequence
import errno
import os
import sys
_SCRIPT_PATH = os.path.dirname(os.path.abspath(__file__))
sys.path.append(_SCRIPT_PATH)
class NvgpuCompiler:
"""Nvgpu class for compiling and building MLIR modules."""
def __init__(self, options: str, opt_level: int, shared_libs: Sequence[str]):
pipeline = f"builtin.module(gpu-lower-to-nvvm-pipeline{{{options}}})"
self.pipeline = pipeline
self.shared_libs = shared_libs
self.opt_level = opt_level
def __call__(self, module: ir.Module):
"""Convenience application method."""
self.compile(module)
def compile(self, module: ir.Module):
"""Compiles the module by invoking the nvgpu pipeline."""
passmanager.PassManager.parse(self.pipeline).run(module.operation)
def jit(self, module: ir.Module) -> execution_engine.ExecutionEngine:
"""Wraps the module in a JIT execution engine."""
return execution_engine.ExecutionEngine(
module, opt_level=self.opt_level, shared_libs=self.shared_libs
)
def compile_and_jit(self, module: ir.Module) -> execution_engine.ExecutionEngine:
"""Compiles and jits the module."""
self.compile(module)
return self.jit(module)
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