contrib/llvm/lib/ExecutionEngine/Orc/ObjectTransformLayer.cpp

   1 //===---------- ObjectTransformLayer.cpp - Object Transform Layer ---------===//
   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 #include "llvm/ExecutionEngine/Orc/ObjectTransformLayer.h"
  11 #include "llvm/Support/MemoryBuffer.h"
  12
  13 namespace llvm {
  14 namespace orc {
  15
  16 ObjectTransformLayer::ObjectTransformLayer(ExecutionSession &ES,
  17                                             ObjectLayer &BaseLayer,
  18                                             TransformFunction Transform)
  19     : ObjectLayer(ES), BaseLayer(BaseLayer), Transform(std::move(Transform)) {}
  20
  21 void ObjectTransformLayer::emit(MaterializationResponsibility R,
  22                                 std::unique_ptr<MemoryBuffer> O) {
  23   assert(O && "Module must not be null");
  24
  25   if (auto TransformedObj = Transform(std::move(O)))
  26     BaseLayer.emit(std::move(R), std::move(*TransformedObj));
  27   else {
  28     R.failMaterialization();
  29     getExecutionSession().reportError(TransformedObj.takeError());
  30   }
  31 }
  32
  33 } // End namespace orc.
  34 } // End namespace llvm.