[IndVars] Use `auto`; NFC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249944 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/Scalar/IndVarSimplify.cpp b/lib/Transforms/Scalar/IndVarSimplify.cpp
index 0062ce5517d656381677873a6ae9494b400e8cab..2a4b5c429f8ba0f3c92670a8357c35bc281b0401 100644 (file)
--- a/lib/Transforms/Scalar/IndVarSimplify.cpp
+++ b/lib/Transforms/Scalar/IndVarSimplify.cpp
@@ -962,14 +962,12 @@ Instruction *WidenIV::CloneIVUser(NarrowIVDefUse DU) {
     Value *RHS = (DU.NarrowUse->getOperand(1) == DU.NarrowDef) ? DU.WideDef :
       getExtend(DU.NarrowUse->getOperand(1), WideType, IsSigned, DU.NarrowUse);
 
-    BinaryOperator *NarrowBO = cast<BinaryOperator>(DU.NarrowUse);
-    BinaryOperator *WideBO = BinaryOperator::Create(NarrowBO->getOpcode(),
-                                                    LHS, RHS,
-                                                    NarrowBO->getName());
+    auto *NarrowBO = cast<BinaryOperator>(DU.NarrowUse);
+    auto *WideBO = BinaryOperator::Create(NarrowBO->getOpcode(), LHS, RHS,
+                                          NarrowBO->getName());
     IRBuilder<> Builder(DU.NarrowUse);
     Builder.Insert(WideBO);
-    if (const OverflowingBinaryOperator *OBO =
-        dyn_cast<OverflowingBinaryOperator>(NarrowBO)) {
+    if (const auto *OBO = dyn_cast<OverflowingBinaryOperator>(NarrowBO)) {
       if (OBO->hasNoUnsignedWrap()) WideBO->setHasNoUnsignedWrap();
       if (OBO->hasNoSignedWrap()) WideBO->setHasNoSignedWrap();
     }