symcc_runtime 0.9.0

// This file is part of SymCC.
//
// SymCC is free software: you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the Free Software
// Foundation, either version 3 of the License, or (at your option) any later
// version.
//
// SymCC is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
// A PARTICULAR PURPOSE. See the GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along with
// SymCC. If not, see <https://www.gnu.org/licenses/>.

#ifndef PASS_H
#define PASS_H

#include <llvm/IR/GlobalVariable.h>
#include <llvm/IR/ValueMap.h>
#include <llvm/Pass.h>

class SymbolizePass : public llvm::FunctionPass {
public:
  static char ID;

  SymbolizePass() : FunctionPass(ID) {}

  bool doInitialization(llvm::Module &M) override;
  bool runOnFunction(llvm::Function &F) override;

private:
  static constexpr char kSymCtorName[] = "__sym_ctor";

  /// Mapping from global variables to their corresponding symbolic expressions.
  llvm::ValueMap<llvm::GlobalVariable *, llvm::GlobalVariable *>
      globalExpressions;
};

#endif