iree/compiler/Dialect/HAL/Target/LLVM/LLVMTargetOptions.cpp

// Copyright 2020 Google LLC
//
// Licensed 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
//
//      https://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.

#include "iree/compiler/Dialect/HAL/Target/LLVM/LLVMTargetOptions.h"

#include "llvm/Support/Host.h"

namespace mlir {
namespace iree_compiler {
namespace IREE {
namespace HAL {

LLVMTargetOptions getDefaultLLVMTargetOptions() {
  LLVMTargetOptions targetOptions;
  // Host target triple.
  targetOptions.targetTriple = llvm::sys::getDefaultTargetTriple();
  // LLVM loop optimization options.
  targetOptions.pipelineTuningOptions.LoopInterleaving = true;
  targetOptions.pipelineTuningOptions.LoopVectorization = true;
  targetOptions.pipelineTuningOptions.LoopUnrolling = true;
  // LLVM SLP Auto vectorizer.
  targetOptions.pipelineTuningOptions.SLPVectorization = true;
  // LLVM -O3.
  targetOptions.optLevel = llvm::PassBuilder::OptimizationLevel::O3;
  return targetOptions;
}

LLVMTargetOptions getLLVMTargetOptionsFromFlags() {
  // TODO(ataei): Add flags and construct options.
  return getDefaultLLVMTargetOptions();
}

}  // namespace HAL
}  // namespace IREE
}  // namespace iree_compiler
}  // namespace mlir