// Copyright 2023 The Clspv Authors. All rights reserved.
//
// 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
//
//     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.

#include "KernelArgNamesToMetadataPass.h"

using namespace llvm;

PreservedAnalyses
clspv::KernelArgNamesToMetadataPass::run(Module &M, ModuleAnalysisManager &) {
  auto &context = M.getContext();
  for (Function &F : M.functions()) {
    SmallVector<Metadata *> MDs;
    for (auto &arg : F.args()) {
      MDs.push_back(MDString::get(context, arg.getName()));
    }
    F.addMetadata("kernel_arg_name", *MDNode::get(context, MDs));
  }
  return PreservedAnalyses::none();
}