diff --git a/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp b/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
index a64c545..a80a88e 100644
--- a/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
+++ b/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
@@ -35,7 +35,6 @@
 #include "llvm/Target/TargetRegistry.h"
 #include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/ADT/Statistic.h"
-#include "llvm/ADT/StringExtras.h"
 #include "llvm/ADT/StringSet.h"
 #include "llvm/Support/Compiler.h"
 #include "llvm/Support/ErrorHandling.h"
@@ -218,7 +217,7 @@
       if (ACPV->hasModifier()) O << "(" << ACPV->getModifier() << ")";
       if (ACPV->getPCAdjustment() != 0) {
         O << "-(" << TAI->getPrivateGlobalPrefix() << "PC"
-          << utostr(ACPV->getLabelId())
+          << ACPV->getLabelId()
           << "+" << (unsigned)ACPV->getPCAdjustment();
          if (ACPV->mustAddCurrentAddress())
            O << "-.";
diff --git a/lib/Transforms/IPO/ArgumentPromotion.cpp b/lib/Transforms/IPO/ArgumentPromotion.cpp
index 5cf3a9b..c31e0ef 100644
--- a/lib/Transforms/IPO/ArgumentPromotion.cpp
+++ b/lib/Transforms/IPO/ArgumentPromotion.cpp
@@ -47,7 +47,6 @@
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/ADT/DepthFirstIterator.h"
 #include "llvm/ADT/Statistic.h"
-#include "llvm/ADT/StringExtras.h"
 #include <set>
 using namespace llvm;
 
@@ -765,9 +764,9 @@
         Idxs[1] = ConstantInt::get(Type::Int32Ty, i);
         Value *Idx = 
           GetElementPtrInst::Create(TheAlloca, Idxs, Idxs+2,
-                                    TheAlloca->getName()+"."+utostr(i), 
+                                    TheAlloca->getName()+"."+i, 
                                     InsertPt);
-        I2->setName(I->getName()+"."+utostr(i));
+        I2->setName(I->getName()+"."+i);
         new StoreInst(I2++, Idx, InsertPt);
       }
 
diff --git a/lib/Transforms/IPO/GlobalOpt.cpp b/lib/Transforms/IPO/GlobalOpt.cpp
index 61e4316..629edee 100644
--- a/lib/Transforms/IPO/GlobalOpt.cpp
+++ b/lib/Transforms/IPO/GlobalOpt.cpp
@@ -36,7 +36,6 @@
 #include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/Statistic.h"
-#include "llvm/ADT/StringExtras.h"
 #include "llvm/ADT/STLExtras.h"
 #include <algorithm>
 using namespace llvm;
@@ -495,7 +494,7 @@
       GlobalVariable *NGV = new GlobalVariable(Context,
                                                STy->getElementType(i), false,
                                                GlobalVariable::InternalLinkage,
-                                               In, GV->getName()+"."+utostr(i),
+                                               In, GV->getName()+"."+i,
                                                GV->isThreadLocal(),
                                               GV->getType()->getAddressSpace());
       Globals.insert(GV, NGV);
@@ -531,7 +530,7 @@
       GlobalVariable *NGV = new GlobalVariable(Context,
                                                STy->getElementType(), false,
                                                GlobalVariable::InternalLinkage,
-                                               In, GV->getName()+"."+utostr(i),
+                                               In, GV->getName()+"."+i,
                                                GV->isThreadLocal(),
                                               GV->getType()->getAddressSpace());
       Globals.insert(GV, NGV);
@@ -585,7 +584,7 @@
         for (unsigned i = 3, e = GEPI->getNumOperands(); i != e; ++i)
           Idxs.push_back(GEPI->getOperand(i));
         NewPtr = GetElementPtrInst::Create(NewPtr, Idxs.begin(), Idxs.end(),
-                                           GEPI->getName()+"."+utostr(Val), GEPI);
+                                           GEPI->getName()+"."+Val, GEPI);
       }
     }
     GEP->replaceAllUsesWith(NewPtr);
@@ -1153,7 +1152,7 @@
     Result = new LoadInst(GetHeapSROAValue(LI->getOperand(0), FieldNo,
                                            InsertedScalarizedValues,
                                            PHIsToRewrite, Context),
-                          LI->getName()+".f" + utostr(FieldNo), LI);
+                          LI->getName()+".f" + FieldNo, LI);
   } else if (PHINode *PN = dyn_cast<PHINode>(V)) {
     // PN's type is pointer to struct.  Make a new PHI of pointer to struct
     // field.
@@ -1162,7 +1161,7 @@
     
     Result =
      PHINode::Create(PointerType::getUnqual(ST->getElementType(FieldNo)),
-                            PN->getName()+".f"+utostr(FieldNo), PN);
+                            PN->getName()+".f"+FieldNo, PN);
     PHIsToRewrite.push_back(std::make_pair(PN, FieldNo));
   } else {
     llvm_unreachable("Unknown usable value");
@@ -1288,12 +1287,12 @@
       new GlobalVariable(*GV->getParent(),
                          PFieldTy, false, GlobalValue::InternalLinkage,
                          Context.getNullValue(PFieldTy),
-                         GV->getName() + ".f" + utostr(FieldNo), GV,
+                         GV->getName() + ".f" + FieldNo, GV,
                          GV->isThreadLocal());
     FieldGlobals.push_back(NGV);
     
     MallocInst *NMI = new MallocInst(FieldTy, MI->getArraySize(),
-                                     MI->getName() + ".f" + utostr(FieldNo),MI);
+                                     MI->getName() + ".f" + FieldNo,MI);
     FieldMallocs.push_back(NMI);
     new StoreInst(NMI, NGV, MI);
   }
diff --git a/lib/Transforms/Scalar/ScalarReplAggregates.cpp b/lib/Transforms/Scalar/ScalarReplAggregates.cpp
index 73dd23c..6826494 100644
--- a/lib/Transforms/Scalar/ScalarReplAggregates.cpp
+++ b/lib/Transforms/Scalar/ScalarReplAggregates.cpp
@@ -41,7 +41,6 @@
 #include "llvm/Support/Compiler.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/Statistic.h"
-#include "llvm/ADT/StringExtras.h"
 using namespace llvm;
 
 STATISTIC(NumReplaced,  "Number of allocas broken up");
@@ -336,7 +335,7 @@
     for (unsigned i = 0, e = ST->getNumContainedTypes(); i != e; ++i) {
       AllocaInst *NA = new AllocaInst(ST->getContainedType(i), 0, 
                                       AI->getAlignment(),
-                                      AI->getName() + "." + utostr(i), AI);
+                                      AI->getName() + "." + i, AI);
       ElementAllocas.push_back(NA);
       WorkList.push_back(NA);  // Add to worklist for recursive processing
     }
@@ -346,7 +345,7 @@
     const Type *ElTy = AT->getElementType();
     for (unsigned i = 0, e = AT->getNumElements(); i != e; ++i) {
       AllocaInst *NA = new AllocaInst(ElTy, 0, AI->getAlignment(),
-                                      AI->getName() + "." + utostr(i), AI);
+                                      AI->getName() + "." + i, AI);
       ElementAllocas.push_back(NA);
       WorkList.push_back(NA);  // Add to worklist for recursive processing
     }
@@ -777,7 +776,7 @@
     if (OtherPtr) {
       Value *Idx[2] = { Zero, ConstantInt::get(Type::Int32Ty, i) };
       OtherElt = GetElementPtrInst::Create(OtherPtr, Idx, Idx + 2,
-                                           OtherPtr->getNameStr()+"."+utostr(i),
+                                           OtherPtr->getNameStr()+"."+i,
                                            MI);
       uint64_t EltOffset;
       const PointerType *OtherPtrTy = cast<PointerType>(OtherPtr->getType());
diff --git a/lib/Transforms/Utils/PromoteMemoryToRegister.cpp b/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
index bad7e4c..7f8d202 100644
--- a/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
+++ b/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
@@ -30,7 +30,6 @@
 #include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/Statistic.h"
-#include "llvm/ADT/StringExtras.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/Support/CFG.h"
 #include "llvm/Support/Compiler.h"
@@ -868,8 +867,8 @@
   // Create a PhiNode using the dereferenced type... and add the phi-node to the
   // BasicBlock.
   PN = PHINode::Create(Allocas[AllocaNo]->getAllocatedType(),
-                       Allocas[AllocaNo]->getName() + "." +
-                       utostr(Version++), BB->begin());
+                       Allocas[AllocaNo]->getName() + "." + Version++, 
+                       BB->begin());
   ++NumPHIInsert;
   PhiToAllocaMap[PN] = AllocaNo;
   PN->reserveOperandSpace(getNumPreds(BB));