getActiveWords should return the number of words, not the index of the

highest active words. Increment its result by one.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34713 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/ADT/APInt.h b/include/llvm/ADT/APInt.h
index 39ce504aa97fd3ee86cee27a127f939adabddfdd..2b2057c4d9ab206f7e77599038c97aa4b7ac46c7 100644 (file)
--- a/include/llvm/ADT/APInt.h
+++ b/include/llvm/ADT/APInt.h
@@ -450,7 +450,7 @@ public:
   /// APInt. This is used in conjunction with getActiveData to extract the raw
   /// value of the APInt.
   inline uint32_t getActiveWords() const {
-    return whichWord(getActiveBits()-1);
+    return whichWord(getActiveBits()-1) + 1;
   }
 
   /// This function returns a pointer to the internal storage of the APInt.