text: // This file is a part of Julia. License is MIT: https://julialang.org/license
  
  #include <utility>
  #include <llvm/Support/Debug.h>
  #include <llvm/IR/DebugLoc.h>
  #include <llvm/IR/IRBuilder.h>
  
  enum AddressSpace {
      Generic = 0,
      Tracked = 10,
      Derived = 11,
      CalleeRooted = 12,
      Loaded = 13,
      FirstSpecial = Tracked,
      LastSpecial = Loaded,
  };
  
  // JLCALL with API arguments ([extra], arg0, arg1, arg2, ...) has the following ABI calling conventions defined:
  #define JLCALL_F_CC (CallingConv::ID)37     // (jl_value_t *arg0, jl_value_t **argv, uint32_t nargv)
  #define JLCALL_F2_CC (CallingConv::ID)38    // (jl_value_t *arg0, jl_value_t **argv, uint32_t nargv, jl_value_t *extra)
  
  // return how many Tracked pointers are in T (count > 0),
  // and if there is anything else in T (all == false)
  struct CountTrackedPointers {
      unsigned count = 0;
      bool all = true;
      bool derived = false;
      CountTrackedPointers(llvm::Type *T);
  };
  
  #if JL_LLVM_VERSION >= 110000
  unsigned TrackWithShadow(llvm::Value *Src, llvm::Type *T, bool isptr, llvm::Value *Dst, llvm::IRBuilder<> &irbuilder);
  std::vector<llvm::Value*> ExtractTrackedValues(llvm::Value *Src, llvm::Type *STy, bool isptr, llvm::IRBuilder<> &irbuilder);
  #else
  unsigned TrackWithShadow(llvm::Value *Src, llvm::Type *T, bool isptr, llvm::Value *Dst, llvm::IRBuilder<> irbuilder);
  std::vector<llvm::Value*> ExtractTrackedValues(llvm::Value *Src, llvm::Type *STy, bool isptr, llvm::IRBuilder<> irbuilder);
  #endif
  
  static inline void llvm_dump(llvm::Value *v)
  {
      v->print(llvm::dbgs(), true);
      llvm::dbgs() << "\n";
  }
  
  static inline void llvm_dump(llvm::Type *v)
  {
      v->print(llvm::dbgs(), true);
      llvm::dbgs() << "\n";
  }
  
  static inline void llvm_dump(llvm::Function *f)
  {
      f->print(llvm::dbgs(), nullptr, false, true);
  }
  
  static inline void llvm_dump(llvm::Module *m)
  {
      m->print(llvm::dbgs(), nullptr);
  }
  
  static inline void llvm_dump(llvm::Metadata *m)
  {
      m->print(llvm::dbgs());
      llvm::dbgs() << "\n";
  }
  
  static inline void llvm_dump(llvm::DebugLoc *dbg)
  {
      dbg->print(llvm::dbgs());
      llvm::dbgs() << "\n";
  }
  