source/opt/fix_func_call_arguments.h

// 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