Subzero: Change llvm::OwningPtr to C++11's std::unique_ptr.

src/IceGlobalContext.h

 //===- subzero/src/IceGlobalContext.h - Global context defs -----*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file declares aspects of the compilation that persist across
 // multiple functions.
 //
 //===----------------------------------------------------------------------===//
 
 #ifndef SUBZERO_SRC_ICEGLOBALCONTEXT_H
 #define SUBZERO_SRC_ICEGLOBALCONTEXT_H
 
-#include "llvm/ADT/OwningPtr.h"
+#include <memory>
+
 #include "llvm/Support/Allocator.h"
 #include "llvm/Support/raw_ostream.h"
 
 #include "IceDefs.h"
 #include "IceIntrinsics.h"
 #include "IceRNG.h"
 #include "IceTypes.h"
 
 namespace Ice {
 
@@ skipping 125 matching lines @@
   void pushTimer(TimerIdT ID);
   void popTimer(TimerIdT ID);
   void dumpTimers();
 
 private:
   Ostream *StrDump; // Stream for dumping / diagnostics
   Ostream *StrEmit; // Stream for code emission
 
   llvm::BumpPtrAllocator Allocator;
   VerboseMask VMask;
-  llvm::OwningPtr<class ConstantPool> ConstPool;
+  std::unique_ptr<class ConstantPool> ConstPool;
   Intrinsics IntrinsicsInfo;
   const TargetArch Arch;
   const OptLevel Opt;
   const IceString TestPrefix;
   const ClFlags &Flags;
   bool HasEmittedFirstMethod;
   RandomNumberGenerator RNG;
   CodeStats StatsFunction;
   CodeStats StatsCumulative;
-  llvm::OwningPtr<class TimerStack> Timers;
+  std::unique_ptr<class TimerStack> Timers;
   GlobalContext(const GlobalContext &) LLVM_DELETED_FUNCTION;
   GlobalContext &operator=(const GlobalContext &) LLVM_DELETED_FUNCTION;
 
   // Private helpers for mangleName()
   typedef llvm::SmallVector<char, 32> ManglerVector;
   void incrementSubstitutions(ManglerVector &OldName) const;
 };
 
 // Helper class to push and pop a timer marker.  The constructor
 // pushes a marker, and the destructor pops it.  This is for
@@ skipping 15 matching lines @@
 
 private:
   TimerIdT ID;
   GlobalContext *const Ctx;
   const bool Active;
 };
 
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICEGLOBALCONTEXT_H