Subversion Repositories QNX 8.QNX8 LLVM/Clang compiler suite

Rev

Blame | Last modification | View Log | Download | RSS feed

  1. //===- BitcodeCommon.h - Common code for encode/decode   --------*- 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 header defines common code to be used by BitcodeWriter and
  10. // BitcodeReader.
  11. //
  12. //===----------------------------------------------------------------------===//
  13.  
  14. #ifndef LLVM_BITCODE_BITCODECOMMON_H
  15. #define LLVM_BITCODE_BITCODECOMMON_H
  16.  
  17. #include "llvm/ADT/Bitfields.h"
  18.  
  19. namespace llvm {
  20.  
  21. struct AllocaPackedValues {
  22.   // We increased the number of bits needed to represent alignment to be more
  23.   // than 5, but to preserve backward compatibility we store the upper bits
  24.   // separately.
  25.   using AlignLower = Bitfield::Element<unsigned, 0, 5>;
  26.   using UsedWithInAlloca = Bitfield::Element<bool, AlignLower::NextBit, 1>;
  27.   using ExplicitType = Bitfield::Element<bool, UsedWithInAlloca::NextBit, 1>;
  28.   using SwiftError = Bitfield::Element<bool, ExplicitType::NextBit, 1>;
  29.   using AlignUpper = Bitfield::Element<unsigned, SwiftError::NextBit, 3>;
  30. };
  31.  
  32. } // namespace llvm
  33.  
  34. #endif // LLVM_BITCODE_BITCODECOMMON_H
  35.