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  1. //===-- CFIFixup.h - Insert CFI remember/restore instructions ---*- 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. /// \file
  10. /// Contains definition of the base CFIFixup pass.
  11. ///
  12. //===----------------------------------------------------------------------===//
  13.  
  14. #ifndef LLVM_CODEGEN_CFIFIXUP_H
  15. #define LLVM_CODEGEN_CFIFIXUP_H
  16.  
  17. #include "llvm/CodeGen/MachineFunctionPass.h"
  18. #include "llvm/InitializePasses.h"
  19.  
  20. namespace llvm {
  21. class CFIFixup : public MachineFunctionPass {
  22. public:
  23.   static char ID;
  24.  
  25.   CFIFixup() : MachineFunctionPass(ID) {
  26.     initializeCFIFixupPass(*PassRegistry::getPassRegistry());
  27.   }
  28.  
  29.   void getAnalysisUsage(AnalysisUsage &AU) const override {
  30.     AU.setPreservesAll();
  31.     MachineFunctionPass::getAnalysisUsage(AU);
  32.   }
  33.  
  34.   bool runOnMachineFunction(MachineFunction &MF) override;
  35. };
  36. } // namespace llvm
  37.  
  38. #endif // LLVM_CODEGEN_CFIFIXUP_H
  39.