[IR] CmpInst: add isRelational()

Since there's CmpInst::isEquality(), it only makes sense
to have it's inverse for consistency.

diff --git a/llvm/include/llvm/IR/InstrTypes.h b/llvm/include/llvm/IR/InstrTypes.h
index 563b9d9..2757548 100644 (file)
--- a/llvm/include/llvm/IR/InstrTypes.h
+++ b/llvm/include/llvm/IR/InstrTypes.h
@@ -899,6 +899,12 @@ public:
   /// Determine if this is an equals/not equals predicate.
   bool isEquality() const { return isEquality(getPredicate()); }
 
+  /// Return true if the predicate is relational (not EQ or NE).
+  static bool isRelational(Predicate P) { return !isEquality(P); }
+
+  /// Return true if the predicate is relational (not EQ or NE).
+  bool isRelational() const { return !isEquality(); }
+
   /// @returns true if the comparison is signed, false otherwise.
   /// Determine if this instruction is using a signed comparison.
   bool isSigned() const {