constify getUnderlyingObject implementation [nfc]

1 files changed, 3 insertions, 3 deletions

diff --git a/llvm/lib/Analysis/ValueTracking.cpp b/llvm/lib/Analysis/ValueTracking.cpp
index 6437a4a..80f03d3 100644
--- a/llvm/lib/Analysis/ValueTracking.cpp
+++ b/llvm/lib/Analysis/ValueTracking.cpp
@@ -4162,18 +4162,18 @@ static bool isSameUnderlyingObjectInLoop(const PHINode *PN,
   return true;
 }
 
-Value *llvm::getUnderlyingObject(Value *V, unsigned MaxLookup) {
+const Value *llvm::getUnderlyingObject(const Value *V, unsigned MaxLookup) {
   if (!V->getType()->isPointerTy())
     return V;
   for (unsigned Count = 0; MaxLookup == 0 || Count < MaxLookup; ++Count) {
-    if (GEPOperator *GEP = dyn_cast<GEPOperator>(V)) {
+    if (auto *GEP = dyn_cast<GEPOperator>(V)) {
       V = GEP->getPointerOperand();
     } else if (Operator::getOpcode(V) == Instruction::BitCast ||
                Operator::getOpcode(V) == Instruction::AddrSpaceCast) {
       V = cast<Operator>(V)->getOperand(0);
       if (!V->getType()->isPointerTy())
         return V;
-    } else if (GlobalAlias *GA = dyn_cast<GlobalAlias>(V)) {
+    } else if (auto *GA = dyn_cast<GlobalAlias>(V)) {
       if (GA->isInterposable())
         return V;
       V = GA->getAliasee();