[APInt] Use UINT64_MAX instead of ~integerPart(0). NFC

llvm-svn: 296322

1 files changed, 1 insertions, 1 deletions

diff --git a/llvm/include/llvm/ADT/APInt.h b/llvm/include/llvm/ADT/APInt.h
index d64a05165bd..2af3aabe188 100644
--- a/llvm/include/llvm/ADT/APInt.h
+++ b/llvm/include/llvm/ADT/APInt.h
@@ -341,7 +341,7 @@ public:
   /// This checks to see if the value has all bits of the APInt are set or not.
   bool isAllOnesValue() const {
     if (isSingleWord())
-      return VAL == ~integerPart(0) >> (APINT_BITS_PER_WORD - BitWidth);
+      return VAL == UINT64_MAX >> (APINT_BITS_PER_WORD - BitWidth);
     return countPopulationSlowCase() == BitWidth;
   }