include/llvm/IR/GVMaterializer.h

   1 //===- GVMaterializer.h - Interface for GV materializers --------*- C++ -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //
  10 // This file provides an abstract interface for loading a module from some
  11 // place.  This interface allows incremental or random access loading of
  12 // functions from the file.  This is useful for applications like JIT compilers
  13 // or interprocedural optimizers that do not need the entire program in memory
  14 // at the same time.
  15 //
  16 //===----------------------------------------------------------------------===//
  17
  18 #ifndef LLVM_IR_GVMATERIALIZER_H
  19 #define LLVM_IR_GVMATERIALIZER_H
  20
  21 #include <vector>
  22
  23 namespace llvm {
  24
  25 class Error;
  26 class GlobalValue;
  27 class StructType;
  28
  29 class GVMaterializer {
  30 protected:
  31   GVMaterializer() = default;
  32
  33 public:
  34   virtual ~GVMaterializer();
  35
  36   /// Make sure the given GlobalValue is fully read.
  37   ///
  38   virtual Error materialize(GlobalValue *GV) = 0;
  39
  40   /// Make sure the entire Module has been completely read.
  41   ///
  42   virtual Error materializeModule() = 0;
  43
  44   virtual Error materializeMetadata() = 0;
  45   virtual void setStripDebugInfo() = 0;
  46
  47   virtual std::vector<StructType *> getIdentifiedStructTypes() const = 0;
  48 };
  49
  50 } // end namespace llvm
  51
  52 #endif // LLVM_IR_GVMATERIALIZER_H