[llvm] [NFC][indvars] Remove unused code in WidenIV::widenLoopCompare (PR #73506)

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``````````bash
git-clang-format --diff f21a70f9fe21539f70212ba2346c3db54f4d9980 c9808bf052d7ae13c3a8fb7678bdd2573a00deb9 -- llvm/lib/Transforms/Utils/SimplifyIndVar.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/lib/Transforms/Utils/SimplifyIndVar.cpp b/llvm/lib/Transforms/Utils/SimplifyIndVar.cpp
index a1d09fd73c..47ecc89055 100644
--- a/llvm/lib/Transforms/Utils/SimplifyIndVar.cpp
+++ b/llvm/lib/Transforms/Utils/SimplifyIndVar.cpp
@@ -1379,10 +1379,10 @@ WidenIV::getExtendedOperandRecurrence(WidenIV::NarrowIVDefUse DU) {
   ExtendKind ExtKind = getExtendKind(DU.NarrowDef);
   if (ExtKind == ExtendKind::Sign && OBO->hasNoSignedWrap())
     ExtendOperExpr = SE->getSignExtendExpr(
-      SE->getSCEV(DU.NarrowUse->getOperand(ExtendOperIdx)), WideType);
+        SE->getSCEV(DU.NarrowUse->getOperand(ExtendOperIdx)), WideType);
   else if (ExtKind == ExtendKind::Zero && OBO->hasNoUnsignedWrap())
     ExtendOperExpr = SE->getZeroExtendExpr(
-      SE->getSCEV(DU.NarrowUse->getOperand(ExtendOperIdx)), WideType);
+        SE->getSCEV(DU.NarrowUse->getOperand(ExtendOperIdx)), WideType);
   else
     return {nullptr, ExtendKind::Unknown};
 

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https://github.com/llvm/llvm-project/pull/73506