rename APInt::toString -> toStringUnsigned for symmetry with toStringSigned()

Add an APSInt::toString() method.

llvm-svn: 41309
diff --git a/llvm/lib/ExecutionEngine/Interpreter/Execution.cpp b/llvm/lib/ExecutionEngine/Interpreter/Execution.cpp
index 281f774..53df544 100644
--- a/llvm/lib/ExecutionEngine/Interpreter/Execution.cpp
+++ b/llvm/lib/ExecutionEngine/Interpreter/Execution.cpp
@@ -1346,8 +1346,9 @@
     case Type::DoubleTyID:  DOUT << "double " << Val.DoubleVal; break;
     case Type::PointerTyID: DOUT << "void* " << intptr_t(Val.PointerVal); break;
     case Type::IntegerTyID: 
-      DOUT << "i" << Val.IntVal.getBitWidth() << " " << Val.IntVal.toString(10)
-           << " (0x" << Val.IntVal.toString(16) << ")\n";
+      DOUT << "i" << Val.IntVal.getBitWidth() << " "
+           << Val.IntVal.toStringUnsigned(10)
+           << " (0x" << Val.IntVal.toStringUnsigned(16) << ")\n";
       break;
   }
 }
diff --git a/llvm/lib/Support/APInt.cpp b/llvm/lib/Support/APInt.cpp
index 173f28c..277a0b0 100644
--- a/llvm/lib/Support/APInt.cpp
+++ b/llvm/lib/Support/APInt.cpp
@@ -2008,8 +2008,8 @@
   else for (unsigned i = getNumWords(); i > 0; i--) {
     cerr << pVal[i-1] << " ";
   }
-  cerr << " U(" << this->toString(10) << ") S(" << this->toStringSigned(10)
-       << ")\n" << std::setbase(10);
+  cerr << " U(" << this->toStringUnsigned(10) << ") S("
+       << this->toStringSigned(10) << ")\n" << std::setbase(10);
 }
 #endif
 
diff --git a/llvm/lib/Transforms/IPO/ArgumentPromotion.cpp b/llvm/lib/Transforms/IPO/ArgumentPromotion.cpp
index 78703a4..d40df48 100644
--- a/llvm/lib/Transforms/IPO/ArgumentPromotion.cpp
+++ b/llvm/lib/Transforms/IPO/ArgumentPromotion.cpp
@@ -519,7 +519,7 @@
           std::string NewName = I->getName();
           for (unsigned i = 0, e = Operands.size(); i != e; ++i)
             if (ConstantInt *CI = dyn_cast<ConstantInt>(Operands[i]))
-              NewName += "." + CI->getValue().toString(10);
+              NewName += "." + CI->getValue().toStringUnsigned(10);
             else
               NewName += ".x";
           TheArg->setName(NewName+".val");