diff --git a/llvm/lib/Support/APInt.cpp b/llvm/lib/Support/APInt.cpp
index d000ae8..6b01c9b 100644
--- a/llvm/lib/Support/APInt.cpp
+++ b/llvm/lib/Support/APInt.cpp
@@ -1953,15 +1953,11 @@
   } else {
     APInt divisor(Tmp.getBitWidth(), Radix);
     APInt APdigit;
-    APInt tmp2(Tmp.getBitWidth(), 0);
     while (Tmp.getBoolValue()) {
-      udivrem(Tmp, divisor, tmp2, APdigit);
+      udivrem(Tmp, divisor, Tmp, APdigit);
       unsigned Digit = (unsigned)APdigit.getZExtValue();
       assert(Digit < Radix && "divide failed");
       Str.push_back(Digits[Digit]);
-      // Move the quotient into Tmp and move the old allocation of Tmp into
-      // tmp2 to be used on the next loop iteration.
-      std::swap(Tmp, tmp2);
     }
   }