1#  Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
2#  See https://llvm.org/LICENSE.txt for license information.
3#  SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
4
5#  This file contains the sparse compiler class.
6
7from mlir import execution_engine
8from mlir import ir
9from mlir import passmanager
10from typing import Sequence
11
12class SparseCompiler:
13  """Sparse compiler class for compiling and building MLIR modules."""
14
15  def __init__(self, options: str, opt_level: int, shared_libs: Sequence[str]):
16    pipeline = f'sparse-compiler{{{options} reassociate-fp-reductions=1 enable-index-optimizations=1}}'
17    self.pipeline = pipeline
18    self.opt_level = opt_level
19    self.shared_libs = shared_libs
20
21  def __call__(self, module: ir.Module):
22    """Convenience application method."""
23    self.compile(module)
24
25  def compile(self, module: ir.Module):
26    """Compiles the module by invoking the sparse copmiler pipeline."""
27    passmanager.PassManager.parse(self.pipeline).run(module)
28
29  def jit(self, module: ir.Module) -> execution_engine.ExecutionEngine:
30    """Wraps the module in a JIT execution engine."""
31    return execution_engine.ExecutionEngine(
32        module, opt_level=self.opt_level, shared_libs=self.shared_libs)
33
34  def compile_and_jit(self,
35                      module: ir.Module) -> execution_engine.ExecutionEngine:
36    """Compiles and jits the module."""
37    self.compile(module)
38    return self.jit(module)
39