add a method

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35860 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/ADT/APInt.h b/include/llvm/ADT/APInt.h
index d80c601d274909a9775538a67a89930bb12bf948..c514d24bcf13484d45de9f8669895d12487c278f 100644 (file)
--- a/include/llvm/ADT/APInt.h
+++ b/include/llvm/ADT/APInt.h
@@ -281,6 +281,13 @@ public:
     return *this != 0;
   }
 
+  /// getLimitedValue - Return this value, or return all ones if it is too large
+  /// to return.
+  uint64_t getLimitedValue(uint64_t Limit = ~0ULL) const {
+    return (getActiveBits() > 64 || getZExtValue() > Limit) ?
+      Limit :  getZExtValue();
+  }
+
   /// @}
   /// @name Value Generators
   /// @{