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  1. //===- AsmCond.h - Assembly file conditional assembly  ----------*- 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. #ifndef LLVM_MC_MCPARSER_ASMCOND_H
  10. #define LLVM_MC_MCPARSER_ASMCOND_H
  11.  
  12. namespace llvm {
  13.  
  14. /// AsmCond - Class to support conditional assembly
  15. ///
  16. /// The conditional assembly feature (.if, .else, .elseif and .endif) is
  17. /// implemented with AsmCond that tells us what we are in the middle of
  18. /// processing.  Ignore can be either true or false.  When true we are ignoring
  19. /// the block of code in the middle of a conditional.
  20.  
  21. class AsmCond {
  22. public:
  23.   enum ConditionalAssemblyType {
  24.     NoCond,     // no conditional is being processed
  25.     IfCond,     // inside if conditional
  26.     ElseIfCond, // inside elseif conditional
  27.     ElseCond    // inside else conditional
  28.   };
  29.  
  30.   ConditionalAssemblyType TheCond = NoCond;
  31.   bool CondMet = false;
  32.   bool Ignore = false;
  33. };
  34.  
  35. } // end namespace llvm
  36.  
  37. #endif // LLVM_MC_MCPARSER_ASMCOND_H
  38.