missed a header
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125471 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/llvm/CodeGen/SelectionDAG.h b/include/llvm/CodeGen/SelectionDAG.h
index 136bdd5..f1c9389 100644
--- a/include/llvm/CodeGen/SelectionDAG.h
+++ b/include/llvm/CodeGen/SelectionDAG.h
@@ -970,6 +970,13 @@
/// class to allow target nodes to be understood.
unsigned ComputeNumSignBits(SDValue Op, unsigned Depth = 0) const;
+ /// isBaseWithConstantOffset - Return true if the specified operand is an
+ /// ISD::ADD with a ConstantSDNode on the right-hand side, or if it is an
+ /// ISD::OR with a ConstantSDNode that is guaranteed to have the same
+ /// semantics as an ADD. This handles the equivalence:
+ /// X|Cst == X+Cst iff X&~Cst = 0.
+ bool isBaseWithConstantOffset(SDValue Op) const;
+
/// isKnownNeverNan - Test whether the given SDValue is known to never be NaN.
bool isKnownNeverNaN(SDValue Op) const;