don't pull in llvm namespace

It's unnecessary for using llvm namespace.

clang_delta/AggregateToScalar.cpp

@@ -23,7 +23,6 @@
 #include "TransformationManager.h"
 
 using namespace clang;
-using namespace llvm;
 
 static const char *DescriptionMsg =
 "Replace accesses to an aggregate member with \

clang_delta/CallExprToValue.cpp

@@ -21,7 +21,6 @@
 #include "TransformationManager.h"
 
 using namespace clang;
-using namespace llvm;
 
 static const char *DescriptionMsg =
 "Replace a call expression with a value or variable which \

clang_delta/ClassTemplateToClass.cpp

@@ -21,7 +21,6 @@
 #include "TransformationManager.h"
 
 using namespace clang;
-using namespace llvm;
 
 static const char *DescriptionMsg = 
 "Change a class template to a class if this class template: \n\
@@ -68,9 +67,9 @@ class TemplateParameterTypeVisitor : public
   RecursiveASTVisitor<TemplateParameterTypeVisitor> {
 
 public:
-  typedef SmallPtrSet<TemplateTypeParmDecl *, 8> TypeParmDeclSet;
+  typedef llvm::SmallPtrSet<TemplateTypeParmDecl *, 8> TypeParmDeclSet;
 
-  typedef SmallPtrSet<TemplateName *, 8> TemplateNameSet;
+  typedef llvm::SmallPtrSet<TemplateName *, 8> TemplateNameSet;
 
   ~TemplateParameterTypeVisitor(void) {
     for (TemplateNameSet::iterator I = TmplNames.begin(), E = TmplNames.end();
@@ -301,7 +300,7 @@ bool ClassTemplateToClass::hasUsedNameDecl(
   if (!PartialD->isCompleteDefinition())
     return false;
 
-  SmallPtrSet<NamedDecl *, 8> Params;
+  llvm::SmallPtrSet<NamedDecl *, 8> Params;
   TemplateParameterList *PartialTPList = PartialD->getTemplateParameters();
   for (unsigned PI = 0; PI < PartialTPList->size(); ++PI) {
     NamedDecl *ND = PartialTPList->getParam(PI);
@@ -324,7 +323,7 @@ bool ClassTemplateToClass::hasUsedNameDecl(
     ParamVisitor.TraverseDecl(*DI);
   }
 
-  for (SmallPtrSet<NamedDecl *, 8>::iterator I = Params.begin(), 
+  for (llvm::SmallPtrSet<NamedDecl *, 8>::iterator I = Params.begin(), 
        E = Params.end(); I != E; ++I) {
     if (ParamVisitor.isAUsedParameter(*I))
       return true;

clang_delta/CombineGlobalVarDecl.cpp

@@ -23,7 +23,6 @@
 #include "TransformationManager.h"
 
 using namespace clang;
-using namespace llvm;
 
 static const char *DescriptionMsg =
 "Combine global variable declarations with the same type. \

clang_delta/CombineLocalVarDecl.cpp

@@ -23,7 +23,6 @@
 #include "TransformationManager.h"
 
 using namespace clang;
-using namespace llvm;
 
 static const char *DescriptionMsg =
 "Combine local variable declarations with the same type. \
@@ -103,7 +102,7 @@ bool CombLocalVarCollectionVisitor::VisitCompoundStmt(CompoundStmt *CS)
 
     const Type *CanonicalT = 
       ConsumerInstance->Context->getCanonicalType(T);
-    DenseMap<const Type *, DeclStmt *>::iterator TI = 
+    llvm::DenseMap<const Type *, DeclStmt *>::iterator TI = 
       ConsumerInstance->DeclStmts.find(CanonicalT);
     if (TI == ConsumerInstance->DeclStmts.end()) {
       ConsumerInstance->DeclStmts[CanonicalT] = DS;

clang_delta/EmptyStructToInt.cpp

@@ -24,7 +24,6 @@
 #include "TransformationManager.h"
 
 using namespace clang;
-using namespace llvm;
 
 static const char *DescriptionMsg =
 "Replace an empty struct with type of int. A struct is defined to be empty if \

clang_delta/ExpressionDetector.cpp

@@ -23,7 +23,6 @@
 #include "TransformationManager.h"
 
 using namespace clang;
-using namespace llvm;
 
 static const char *DescriptionMsg =
 "Insert a printf statement to print out the value of an expression. \
@@ -126,7 +125,7 @@ bool LocalTmpVarCollector::VisitDeclRefExpr(DeclRefExpr *DRE)
 // (2) the LHS of a binary operator;
 class LocalUOBOVisitor : public RecursiveASTVisitor<LocalUOBOVisitor> {
 public:
-  explicit LocalUOBOVisitor(SmallPtrSet<const Expr *, 10> &ES)
+  explicit LocalUOBOVisitor(llvm::SmallPtrSet<const Expr *, 10> &ES)
     : InvalidExprs(ES)
   { }
 
@@ -135,7 +134,7 @@ class LocalUOBOVisitor : public RecursiveASTVisitor<LocalUOBOVisitor> {
   bool VisitBinaryOperator(BinaryOperator *BO);
 
 private:
-  SmallPtrSet<const Expr *, 10> &InvalidExprs;
+  llvm::SmallPtrSet<const Expr *, 10> &InvalidExprs;
 };
 
 bool LocalUOBOVisitor::VisitUnaryOperator(UnaryOperator *UO)
@@ -575,7 +574,7 @@ bool ExpressionDetector::isValidExpr(Stmt *S, const Expr *E)
   // statement many times. Gain a log of performance improvement.
   auto EI = InvalidExprsInUOBO.find(S);
   if (EI == InvalidExprsInUOBO.end()) {
-    SmallPtrSet<const Expr *, 10> InvalidExprs;
+    llvm::SmallPtrSet<const Expr *, 10> InvalidExprs;
     LocalUOBOVisitor UOBOVisitor(InvalidExprs);
     UOBOVisitor.TraverseStmt(S);
     InvalidExprsInUOBO[S] = InvalidExprs;

clang_delta/InstantiateTemplateParam.cpp

@@ -21,7 +21,6 @@
 #include "TransformationManager.h"
 
 using namespace clang;
-using namespace llvm;
 
 static const char *DescriptionMsg = 
 "This pass tries to instantiate a template parameter with  \

clang_delta/InstantiateTemplateTypeParamToInt.cpp

@@ -21,7 +21,6 @@
 #include "TransformationManager.h"
 
 using namespace clang;
-using namespace llvm;
 
 // TODO: probably need to handle more cases where this transformation
 // generates invalid code, e.g.:

clang_delta/LocalToGlobal.cpp

@@ -21,7 +21,6 @@
 #include "TransformationManager.h"
 
 using namespace clang;
-using namespace llvm;
 
 static const char *DescriptionMsg =
 "Move the declaraion of a non-static local variable from \

clang_delta/ReduceArrayDim.cpp

@@ -23,7 +23,6 @@
 #include "TransformationManager.h"
 
 using namespace clang;
-using namespace llvm;
 
 static const char *DescriptionMsg =
 "Reduce the dimension of an array. Each transformation iteration \

clang_delta/ReduceArraySize.cpp

@@ -23,7 +23,6 @@
 #include "TransformationManager.h"
 
 using namespace clang;
-using namespace llvm;
 
 static const char *DescriptionMsg =
 "Reduce the size of an array to the maximum index of \

clang_delta/ReduceClassTemplateParameter.cpp

@@ -23,7 +23,6 @@
 #include "TransformationManager.h"
 
 using namespace clang;
-using namespace llvm;
 
 static const char *DescriptionMsg = 
 "This pass tries to remove one unused parameter from a class template \
@@ -53,7 +52,7 @@ class ReduceClassTemplateParameterASTVisitor : public
 
 namespace {
 
-typedef SmallPtrSet<const NamedDecl *, 8> TemplateParameterSet;
+typedef llvm::SmallPtrSet<const NamedDecl *, 8> TemplateParameterSet;
 
 class TemplateParameterVisitor : public 
   RecursiveASTVisitor<TemplateParameterVisitor> {

clang_delta/ReducePointerLevel.cpp

@@ -21,7 +21,6 @@
 #include "TransformationManager.h"
 
 using namespace clang;
-using namespace llvm;
 
 static const char *DescriptionMsg =
 "Reduce pointer indirect level for a global/local variable. \

clang_delta/ReducePointerPairs.cpp

@@ -21,7 +21,6 @@
 #include "TransformationManager.h"
 
 using namespace clang;
-using namespace llvm;
 
 static const char *DescriptionMsg =
 "Reduce a pair of pointers at the same time if they have the following shape:\n\

clang_delta/RemoveAddrTaken.cpp

@@ -21,7 +21,6 @@
 #include "TransformationManager.h"
 
 using namespace clang;
-using namespace llvm;
 
 static const char *DescriptionMsg =
 "Remove an addr-taken operator if \n\

clang_delta/RemoveArray.cpp

@@ -21,7 +21,6 @@
 #include "TransformationManager.h"
 
 using namespace clang;
-using namespace llvm;
 
 static const char *DescriptionMsg =
 "Change an array var to a corresponding non-array one. \

clang_delta/RemoveBaseClass.cpp

@@ -21,7 +21,6 @@
 #include "TransformationManager.h"
 
 using namespace clang;
-using namespace llvm;
 using namespace clang_delta_common_visitor;
 
 static const char *DescriptionMsg = 

clang_delta/RemoveCtorInitializer.cpp

@@ -21,7 +21,6 @@
 #include "TransformationManager.h"
 
 using namespace clang;
-using namespace llvm;
 
 static const char *DescriptionMsg = 
 "This pass tries to remove an initializer from a Ctor. \n";

clang_delta/RemoveNamespace.cpp

@@ -22,7 +22,6 @@
 #include "TransformationManager.h"
 
 using namespace clang;
-using namespace llvm;
 
 static const char *DescriptionMsg =
 "Remove namespaces. This pass tries to remove namespace without \

clang_delta/RemovePointer.cpp

@@ -21,7 +21,6 @@
 #include "TransformationManager.h"
 
 using namespace clang;
-using namespace llvm;
 
 static const char *DescriptionMsg =
 "Only reduce the level of a pointer var if this pointer is \

clang_delta/RemoveTrivialBaseTemplate.cpp

@@ -21,7 +21,6 @@
 #include "TransformationManager.h"
 
 using namespace clang;
-using namespace llvm;
 
 static const char *DescriptionMsg = 
 "This pass removes a base class if it is an instantiation from a class \

clang_delta/RemoveUnresolvedBase.cpp

@@ -20,7 +20,6 @@
 #include "TransformationManager.h"
 
 using namespace clang;
-using namespace llvm;
 
 static const char *DescriptionMsg = 
 "This pass tries to remove a base specifier if we cannot \

clang_delta/RemoveUnusedOuterClass.cpp

@@ -22,7 +22,6 @@
 #include "TransformationManager.h"
 
 using namespace clang;
-using namespace llvm;
 
 static const char *DescriptionMsg = 
 "This pass an unused outer class if \n\

clang_delta/RenameCXXMethod.cpp

@@ -23,7 +23,6 @@
 #include "TransformationManager.h"
 
 using namespace clang;
-using namespace llvm;
 
 static const char *DescriptionMsg =
 "Another pass to increase readability of reduced code. \

clang_delta/RenameClass.cpp

@@ -21,7 +21,6 @@
 #include "TransformationManager.h"
 
 using namespace clang;
-using namespace llvm;
 using namespace clang_delta_common_visitor;
 
 static const char *DescriptionMsg =

clang_delta/RenameFun.cpp

@@ -23,7 +23,6 @@
 #include "TransformationManager.h"
 
 using namespace clang;
-using namespace llvm;
 
 static const char *DescriptionMsg =
 "Another pass to increase readability of reduced code. \

clang_delta/RenameParam.cpp

@@ -23,7 +23,6 @@
 #include "TransformationManager.h"
 
 using namespace clang;
-using namespace llvm;
 
 static const char *DescriptionMsg =
 "Another pass to increase readability of reduced code. \
@@ -62,7 +61,7 @@ class RenameParamVisitor : public RecursiveASTVisitor<RenameParamVisitor> {
 
   RenameParam *ConsumerInstance;
 
-  DenseMap<ParmVarDecl *, std::string> ParamNameMap;
+  llvm::DenseMap<ParmVarDecl *, std::string> ParamNameMap;
 
 };
 
@@ -221,7 +220,7 @@ void RenameParam::addLocalVar(VarDecl *VD)
   FunctionDecl *CanonicalFD = FD->getCanonicalDecl();
 
   ExistingNumberSet *CurrSet;
-  DenseMap<FunctionDecl *, ExistingNumberSet *>::iterator I =
+  llvm::DenseMap<FunctionDecl *, ExistingNumberSet *>::iterator I =
     FunExistingVarsMap.find(CanonicalFD);
 
   if (I == FunExistingVarsMap.end()) {
@@ -278,7 +277,7 @@ RenameParam::~RenameParam(void)
   if (RenameVisitor)
     delete RenameVisitor;
 
-  for (DenseMap<FunctionDecl *, ExistingNumberSet *>::iterator 
+  for (llvm::DenseMap<FunctionDecl *, ExistingNumberSet *>::iterator 
         I = FunExistingVarsMap.begin(), E = FunExistingVarsMap.end();
         I != E; ++I) {
     delete (*I).second;

clang_delta/RenameVar.cpp

@@ -24,7 +24,6 @@
 #include "TransformationManager.h"
 
 using namespace clang;
-using namespace llvm;
 
 static const char *DescriptionMsg =
 "To increase readability, rename global and local variables \

clang_delta/ReplaceArrayAccessWithIndex.cpp

@@ -23,7 +23,6 @@
 #include <iostream>
 
 using namespace clang;
-using namespace llvm;
 
 
 static const char *Description =

clang_delta/ReplaceArrayIndexVar.cpp

@@ -22,7 +22,6 @@
 #include "TransformationManager.h"
 
 using namespace clang;
-using namespace llvm;
 
 static const char *DescriptionMsg =
 "Looking for the pattern like below: \n\
@@ -34,10 +33,10 @@ if  is less than 15, then replace a[i] with  a[0] ... a[num-1]";
 static RegisterTransformation<ReplaceArrayIndexVar>
          Trans("replace-array-index-var", DescriptionMsg);
 
-typedef SmallPtrSet<const clang::ArraySubscriptExpr *, 10>
+typedef llvm::SmallPtrSet<const clang::ArraySubscriptExpr *, 10>
   ArraySubscriptExprSet;
 
-typedef DenseMap<const clang::VarDecl *, ArraySubscriptExprSet *>
+typedef llvm::DenseMap<const clang::VarDecl *, ArraySubscriptExprSet *>
   VarDeclToASESetMap;
 
 typedef llvm::DenseMap<const clang::VarDecl *, unsigned>
@@ -105,7 +104,7 @@ bool ReplaceArrayIndexVarCollectionVisitor::VisitVarDecl(VarDecl *VD)
   if (dyn_cast<ArrayType>(ElemTy))
     return true;
 
-  APInt APSz = CstArrayTy->getSize();
+  llvm::APInt APSz = CstArrayTy->getSize();
   unsigned Sz = (unsigned int)(*APSz.getRawData());
   if (Sz <= ConsumerInstance->MaxSize)
     ConsumerInstance->CstArrayVars[CanonicalVD] = Sz;