1 files changed, 8 insertions, 0 deletions
diff --git a/llvm/lib/Target/SystemZ/SystemZISelLowering.h b/llvm/lib/Target/SystemZ/SystemZISelLowering.h
index 2cdc88db5a4..589ab9f602c 100644
--- a/llvm/lib/Target/SystemZ/SystemZISelLowering.h
+++ b/llvm/lib/Target/SystemZ/SystemZISelLowering.h
@@ -490,6 +490,14 @@ public:
                       SelectionDAG &DAG) const override;
   SDValue PerformDAGCombine(SDNode *N, DAGCombinerInfo &DCI) const override;
 
+  /// Determine which of the bits specified in Mask are known to be either
+  /// zero or one and return them in the KnownZero/KnownOne bitsets.
+  void computeKnownBitsForTargetNode(const SDValue Op,
+                                     KnownBits &Known,
+                                     const APInt &DemandedElts,
+                                     const SelectionDAG &DAG,
+                                     unsigned Depth = 0) const override;
+
   ISD::NodeType getExtendForAtomicOps() const override {
     return ISD::ANY_EXTEND;
   }