[DAGCombiner] Drop redundant DAG method param. NFC

1 files changed, 3 insertions, 4 deletions

diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index 46c1b8b2807..6f68313c71c 100644
--- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -622,7 +622,7 @@ namespace {
                            ConstantSDNode *Mask, SDNode *&NodeToMask);
     /// Attempt to propagate a given AND node back to load leaves so that they
     /// can be combined into narrow loads.
-    bool BackwardsPropagateMask(SDNode *N, SelectionDAG &DAG);
+    bool BackwardsPropagateMask(SDNode *N);
 
     /// Helper function for MergeConsecutiveStores which merges the
     /// component store chains.
@@ -4855,7 +4855,7 @@ bool DAGCombiner::SearchForAndLoads(SDNode *N,
   return true;
 }
 
-bool DAGCombiner::BackwardsPropagateMask(SDNode *N, SelectionDAG &DAG) {
+bool DAGCombiner::BackwardsPropagateMask(SDNode *N) {
   auto *Mask = dyn_cast<ConstantSDNode>(N->getOperand(1));
   if (!Mask)
     return false;
@@ -5242,9 +5242,8 @@ SDValue DAGCombiner::visitAND(SDNode *N) {
     // loads, can be combined to narrow loads and the AND node can be removed.
     // Perform after legalization so that extend nodes will already be
     // combined into the loads.
-    if (BackwardsPropagateMask(N, DAG)) {
+    if (BackwardsPropagateMask(N))
       return SDValue(N, 0);
-    }
   }
 
   if (SDValue Combined = visitANDLike(N0, N1, N))