IR2Vec.h

//===- IR2Vec.h - Top-level driver utility ----------------------*- C++ -*-===//
//
// Part of the IR2Vec Project, under the Apache License v2.0 with LLVM
// Exceptions. See the LICENSE file for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
 
#ifndef __IR2Vec__
#define __IR2Vec__
 
#include "llvm/ADT/MapVector.h"
#include "llvm/IR/Module.h"
#include <string>
 
namespace IR2Vec {
 
#define DIM 300
using Vector = llvm::SmallVector<double, DIM>;
 
enum IR2VecMode { FlowAware, Symbolic };
 
class Embeddings {
  int generateEncodings(llvm::Module &M, IR2VecMode mode, char level = '\0',
                        std::string funcName = "", std::ostream *o = nullptr,
                        int cls = -1, float WO = 1, float WA = 0.2,
                        float WT = 0.5);
 
  llvm::SmallMapVector<const llvm::Instruction *, Vector, 128> instVecMap;
  llvm::SmallMapVector<const llvm::Function *, Vector, 16> funcVecMap;
  Vector pgmVector;
 
public:
  Embeddings() = default;
  Embeddings(llvm::Module &M, IR2VecMode mode, std::string funcName = "",
             float WO = 1, float WA = 0.2, float WT = 0.5) {
    generateEncodings(M, mode, '\0', funcName, nullptr, -1, WO, WA, WT);
  }
 
  // Use this constructor if the representations ought to be written to a
  // file. Analogous to the command line options that are being used in IR2Vec
  // binary.
  Embeddings(llvm::Module &M, IR2VecMode mode, char level, std::ostream *o,
             std::string funcName = "", float WO = 1, float WA = 0.2,
             float WT = 0.5) {
    generateEncodings(M, mode, level, funcName, o, -1, WO, WA, WT);
  }
 
  // Returns a map containing instructions and the corresponding vector
  // representations for a given module corresponding to the IR2VecMode and
  // other configurations that is set in constructor
  llvm::SmallMapVector<const llvm::Instruction *, Vector, 128> &
  getInstVecMap() {
    return instVecMap;
  }
 
  // Returns a map containing functions and the corresponding vector
  // representations for a given module corresponding to the IR2VecMode and
  // other configurations that is set in constructor
  llvm::SmallMapVector<const llvm::Function *, Vector, 16> &
  getFunctionVecMap() {
    return funcVecMap;
  }
 
  // Returns the program vector for a module corresponding to the IR2VecMode
  // and other configurations that is set in constructor
  Vector &getProgramVector() { return pgmVector; }
};
 
} // namespace IR2Vec
#endif