More consts on TargetLowering references.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62262 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index 26a02ba..258d807 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -736,7 +736,7 @@
 /// ExpandUnalignedLoad - Expands an unaligned load to 2 half-size loads.
 static
 SDValue ExpandUnalignedLoad(LoadSDNode *LD, SelectionDAG &DAG,
-                            TargetLowering &TLI) {
+                            const TargetLowering &TLI) {
   int SVOffset = LD->getSrcValueOffset();
   SDValue Chain = LD->getChain();
   SDValue Ptr = LD->getBasePtr();