InstCombine: fix fold "fcmp x, undef" to account for NaN

[oota-llvm.git] / include / llvm / IR / Instructions.h

diff --git a/include/llvm/IR/Instructions.h b/include/llvm/IR/Instructions.h
index 1a7767523c443be351bc6caababeb10d94ebacf7..a737e5634076bf07d1b9fd7fe5fcae37963e5a94 100644 (file)
--- a/include/llvm/IR/Instructions.h
+++ b/include/llvm/IR/Instructions.h
@@ -1201,11 +1201,15 @@ public:
 
   /// @returns true if the predicate of this instruction is EQ or NE.
   /// \brief Determine if this is an equality predicate.
-  bool isEquality() const {
-    return getPredicate() == FCMP_OEQ || getPredicate() == FCMP_ONE ||
-           getPredicate() == FCMP_UEQ || getPredicate() == FCMP_UNE;
+  static bool isEquality(Predicate Pred) {
+    return Pred == FCMP_OEQ || Pred == FCMP_ONE || Pred == FCMP_UEQ ||
+           Pred == FCMP_UNE;
   }
 
+  /// @returns true if the predicate of this instruction is EQ or NE.
+  /// \brief Determine if this is an equality predicate.
+  bool isEquality() const { return isEquality(getPredicate()); }
+
   /// @returns true if the predicate of this instruction is commutative.
   /// \brief Determine if this is a commutative predicate.
   bool isCommutative() const {