// Copyright (c) 2022 Advanced Micro Devices, Inc.

//

// 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.

#ifndef _VAR_FUNC_CALL_PASS_H

#define _VAR_FUNC_CALL_PASS_H

#include "source/opt/pass.h"

namespace spvtools {

namespace opt {

class FixFuncCallArgumentsPass : public Pass {

 public:

  FixFuncCallArgumentsPass() {}

  const char* name() const override { return "fix-for-funcall-param"; }

  Status Process() override;

  // Returns true if the module has one one function.

  bool ModuleHasASingleFunction();

  // Copies from the memory pointed to by |operand_inst| to a new function scope

  // variable created before |func_call_inst|, and

  // copies the value of the new variable back to the memory pointed to by

  // |operand_inst| after |funct_call_inst|  Returns the id of

  // the new variable.

  uint32_t ReplaceAccessChainFuncCallArguments(Instruction* func_call_inst,

                                               Instruction* operand_inst);

  // Fix function call |func_call_inst| non memory object arguments

  bool FixFuncCallArguments(Instruction* func_call_inst);

  IRContext::Analysis GetPreservedAnalyses() override {

    return IRContext::kAnalysisTypes;

  }

};

}  // namespace opt

}  // namespace spvtools

#endif  // _VAR_FUNC_CALL_PASS_H