Add an inverse() method to ConstantRange.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110504 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 3 insertions, 0 deletions

diff --git a/include/llvm/Support/ConstantRange.h b/include/llvm/Support/ConstantRange.h
index d767bd36b0..c3a6dd03fd 100644
--- a/include/llvm/Support/ConstantRange.h
+++ b/include/llvm/Support/ConstantRange.h
@@ -232,6 +232,9 @@ public:
   /// from a logical right shift of a value in this range by the Amount value.
   ConstantRange lshr(const ConstantRange &Amount) const;
 
+  /// inverse - Return a new range that is the logical not of the current set.
+  ConstantRange inverse() const;
+  
   /// print - Print out the bounds to a stream...
   ///
   void print(raw_ostream &OS) const;