Add const to CanBeFoldedBy, CheckAndMask, and CheckOrMask.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40480 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index 9256faa..05578fe 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -4799,7 +4799,7 @@
 /// actual value in the DAG on the RHS of an AND, and DesiredMaskS is the value
 /// specified in the .td file (e.g. 255).
 bool SelectionDAGISel::CheckAndMask(SDOperand LHS, ConstantSDNode *RHS, 
-                                    int64_t DesiredMaskS) {
+                                    int64_t DesiredMaskS) const {
   uint64_t ActualMask = RHS->getValue();
   uint64_t DesiredMask =DesiredMaskS & MVT::getIntVTBitMask(LHS.getValueType());
   
@@ -4828,7 +4828,7 @@
 /// actual value in the DAG on the RHS of an OR, and DesiredMaskS is the value
 /// specified in the .td file (e.g. 255).
 bool SelectionDAGISel::CheckOrMask(SDOperand LHS, ConstantSDNode *RHS, 
-                                    int64_t DesiredMaskS) {
+                                    int64_t DesiredMaskS) const {
   uint64_t ActualMask = RHS->getValue();
   uint64_t DesiredMask =DesiredMaskS & MVT::getIntVTBitMask(LHS.getValueType());