text: //===--- PNaCl.h - Declare PNaCl target feature support ---------*- C++ -*-===//
  //
  // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
  // See https://llvm.org/LICENSE.txt for license information.
  // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
  //
  //===----------------------------------------------------------------------===//
  //
  // This file declares PNaCl TargetInfo objects.
  //
  //===----------------------------------------------------------------------===//
  
  #ifndef FLY_LIB_BASIC_TARGETS_PNACL_H
  #define FLY_LIB_BASIC_TARGETS_PNACL_H
  
  #include "Mips.h"
  #include "Basic/TargetInfo.h"
  #include "Basic/TargetOptions.h"
  #include "llvm/ADT/Triple.h"
  #include "llvm/Support/Compiler.h"
  
  namespace fly {
  namespace targets {
  
  class LLVM_LIBRARY_VISIBILITY PNaClTargetInfo : public TargetInfo {
  public:
    PNaClTargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
        : TargetInfo(Triple) {
      this->LongAlign = 32;
      this->LongWidth = 32;
      this->PointerAlign = 32;
      this->PointerWidth = 32;
      this->IntMaxType = TargetInfo::SignedLongLong;
      this->Int64Type = TargetInfo::SignedLongLong;
      this->DoubleAlign = 64;
      this->LongDoubleWidth = 64;
      this->LongDoubleAlign = 64;
      this->SizeType = TargetInfo::UnsignedInt;
      this->PtrDiffType = TargetInfo::SignedInt;
      this->IntPtrType = TargetInfo::SignedInt;
      this->RegParmMax = 0; // Disallow regparm
    }
  
    bool hasFeature(StringRef Feature) const override {
      return Feature == "pnacl";
    }
  
    ArrayRef<Builtin::Info> getTargetBuiltins() const override { return None; }
  
    BuiltinVaListKind getBuiltinVaListKind() const override {
      return TargetInfo::PNaClABIBuiltinVaList;
    }
  
    ArrayRef<const char *> getGCCRegNames() const override;
  
    ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override;
  
    bool validateAsmConstraint(const char *&Name,
                               TargetInfo::ConstraintInfo &Info) const override {
      return false;
    }
  
    const char *getClobbers() const override { return ""; }
  
    bool hasExtIntType() const override { return true; }
  };
  
  // We attempt to use PNaCl (le32) frontend and Mips32EL backend.
  class LLVM_LIBRARY_VISIBILITY NaClMips32TargetInfo : public MipsTargetInfo {
  public:
    NaClMips32TargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
        : MipsTargetInfo(Triple, Opts) {}
  
    BuiltinVaListKind getBuiltinVaListKind() const override {
      return TargetInfo::PNaClABIBuiltinVaList;
    }
  };
  } // namespace targets
  } // namespace clang
  
  #endif // FLY_LIB_BASIC_TARGETS_PNACL_H
  