now that we have a centralized place to do so, add some using declarations for
some common llvm types: stringref and smallvector.  This cleans up the codebase
quite a bit.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135576 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGVTables.h b/lib/CodeGen/CGVTables.h
index eff6e56..8e88bba 100644
--- a/lib/CodeGen/CGVTables.h
+++ b/lib/CodeGen/CGVTables.h
@@ -116,7 +116,7 @@
   /// pointers in the vtable for a given record decl.
   llvm::DenseMap<const CXXRecordDecl *, uint64_t> NumVirtualFunctionPointers;
 
-  typedef llvm::SmallVector<ThunkInfo, 1> ThunkInfoVectorTy;
+  typedef SmallVector<ThunkInfo, 1> ThunkInfoVectorTy;
   typedef llvm::DenseMap<const CXXMethodDecl *, ThunkInfoVectorTy> ThunksMapTy;
   
   /// Thunks - Contains all thunks that a given method decl will need.
@@ -143,7 +143,7 @@
   /// VTableAddressPointsMapTy - Address points for a single vtable.
   typedef llvm::DenseMap<BaseSubobject, uint64_t> VTableAddressPointsMapTy;
 
-  typedef llvm::SmallVector<std::pair<uint64_t, ThunkInfo>, 1> 
+  typedef SmallVector<std::pair<uint64_t, ThunkInfo>, 1> 
     VTableThunksTy;
   
   typedef llvm::DenseMap<const CXXRecordDecl *, VTableThunksTy>