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  1. //===- MIRPrinter.h - MIR serialization format printer ----------*- C++ -*-===//
  2. //
  3. // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
  4. // See https://llvm.org/LICENSE.txt for license information.
  5. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
  6. //
  7. //===----------------------------------------------------------------------===//
  8. //
  9. // This file declares the functions that print out the LLVM IR and the machine
  10. // functions using the MIR serialization format.
  11. //
  12. //===----------------------------------------------------------------------===//
  13.  
  14. #ifndef LLVM_CODEGEN_MIRPRINTER_H
  15. #define LLVM_CODEGEN_MIRPRINTER_H
  16.  
  17. namespace llvm {
  18.  
  19. class MachineBasicBlock;
  20. class MachineFunction;
  21. class Module;
  22. class raw_ostream;
  23. template <typename T> class SmallVectorImpl;
  24.  
  25. /// Print LLVM IR using the MIR serialization format to the given output stream.
  26. void printMIR(raw_ostream &OS, const Module &M);
  27.  
  28. /// Print a machine function using the MIR serialization format to the given
  29. /// output stream.
  30. void printMIR(raw_ostream &OS, const MachineFunction &MF);
  31.  
  32. /// Determine a possible list of successors of a basic block based on the
  33. /// basic block machine operand being used inside the block. This should give
  34. /// you the correct list of successor blocks in most cases except for things
  35. /// like jump tables where the basic block references can't easily be found.
  36. /// The MIRPRinter will skip printing successors if they match the result of
  37. /// this funciton and the parser will use this function to construct a list if
  38. /// it is missing.
  39. void guessSuccessors(const MachineBasicBlock &MBB,
  40.                      SmallVectorImpl<MachineBasicBlock*> &Result,
  41.                      bool &IsFallthrough);
  42.  
  43. } // end namespace llvm
  44.  
  45. #endif
  46.