NFC: Move ObjectMemoryBuffer to support

Summary:
Since the class is used by both MCJIT and LTO, it makes more sense to move it to Support lib.
This is a follow up patch to r329929 and https://reviews.llvm.org/D45244

Reviewers: bkramer, dblaikie

Reviewed By: bkramer

Subscribers: mehdi_amini, eraman, llvm-commits

Differential Revision: https://reviews.llvm.org/D45606

llvm-svn: 330093

llvm/include/llvm/ExecutionEngine/Orc/CompileUtils.h

@@ -16,13 +16,13 @@
 
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ExecutionEngine/ObjectCache.h"
-#include "llvm/ExecutionEngine/ObjectMemoryBuffer.h"
 #include "llvm/IR/LegacyPassManager.h"
 #include "llvm/Object/Binary.h"
 #include "llvm/Object/ObjectFile.h"
 #include "llvm/Support/Error.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/MemoryBuffer.h"
+#include "llvm/Support/ObjectMemoryBuffer.h"
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/Target/TargetMachine.h"
 #include <algorithm>

llvm/include/llvm/Support/ObjectMemoryBuffer.h

@@ -56,6 +56,7 @@ public:
 private:
   SmallVector<char, 0> SV;
   std::string BufferName;
+  void anchor() override;
 };
 
 } // namespace llvm

llvm/lib/ExecutionEngine/MCJIT/MCJIT.h

@@ -14,10 +14,10 @@
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ExecutionEngine/ExecutionEngine.h"
 #include "llvm/ExecutionEngine/ObjectCache.h"
-#include "llvm/ExecutionEngine/ObjectMemoryBuffer.h"
 #include "llvm/ExecutionEngine/RTDyldMemoryManager.h"
 #include "llvm/ExecutionEngine/RuntimeDyld.h"
 #include "llvm/IR/Module.h"
+#include "llvm/Support/ObjectMemoryBuffer.h"
 
 namespace llvm {
 class MCJIT;

llvm/lib/LTO/LLVMBuild.txt

@@ -37,4 +37,3 @@ required_libraries =
  Support
  Target
  TransformUtils
- MCJIT

llvm/lib/LTO/ThinLTOCodeGenerator.cpp

@@ -23,7 +23,6 @@
 #include "llvm/Bitcode/BitcodeReader.h"
 #include "llvm/Bitcode/BitcodeWriter.h"
 #include "llvm/Bitcode/BitcodeWriterPass.h"
-#include "llvm/ExecutionEngine/ObjectMemoryBuffer.h"
 #include "llvm/IR/DebugInfo.h"
 #include "llvm/IR/DiagnosticPrinter.h"
 #include "llvm/IR/LLVMContext.h"
@@ -37,6 +36,7 @@
 #include "llvm/Support/CachePruning.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/Error.h"
+#include "llvm/Support/ObjectMemoryBuffer.h"
 #include "llvm/Support/Path.h"
 #include "llvm/Support/SHA1.h"
 #include "llvm/Support/TargetRegistry.h"

llvm/lib/Support/MemoryBuffer.cpp

@@ -18,6 +18,7 @@
 #include "llvm/Support/Errno.h"
 #include "llvm/Support/FileSystem.h"
 #include "llvm/Support/MathExtras.h"
+#include "llvm/Support/ObjectMemoryBuffer.h"
 #include "llvm/Support/Path.h"
 #include "llvm/Support/Process.h"
 #include "llvm/Support/Program.h"
@@ -533,3 +534,4 @@ MemoryBufferRef MemoryBuffer::getMemBufferRef() const {
 }
 
 void MemoryBuffer::anchor() {}
+void ObjectMemoryBuffer::anchor() {}