[llvm] [polly] [delinearize] use SCEV exprs in getIndexExpressionsFromGEP (PR #162888)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions h,cpp -- llvm/include/llvm/Analysis/Delinearization.h llvm/lib/Analysis/Delinearization.cpp llvm/lib/Analysis/DependenceAnalysis.cpp llvm/lib/Analysis/LoopCacheAnalysis.cpp polly/lib/Analysis/ScopBuilder.cpp
``````````

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``````````diff
diff --git a/llvm/lib/Analysis/Delinearization.cpp b/llvm/lib/Analysis/Delinearization.cpp
index f438a9bd9..d2a300c8a 100644
--- a/llvm/lib/Analysis/Delinearization.cpp
+++ b/llvm/lib/Analysis/Delinearization.cpp
@@ -690,8 +690,8 @@ bool llvm::getIndexExpressionsFromGEP(ScalarEvolution &SE,
 
     Subscripts.push_back(Expr);
     if (!(DroppedFirstDim && i == 2))
-      Sizes.push_back(SE.getConstant(Expr->getType(),
-                                      ArrayTy->getNumElements()));
+      Sizes.push_back(
+          SE.getConstant(Expr->getType(), ArrayTy->getNumElements()));
 
     Ty = ArrayTy->getElementType();
   }
@@ -707,7 +707,8 @@ bool llvm::getIndexExpressionsFromGEP(ScalarEvolution &SE,
 
 bool llvm::tryDelinearizeFixedSizeImpl(
     ScalarEvolution *SE, Instruction *Inst, const SCEV *AccessFn,
-    SmallVectorImpl<const SCEV *> &Subscripts, SmallVectorImpl<const SCEV *> &Sizes) {
+    SmallVectorImpl<const SCEV *> &Subscripts,
+    SmallVectorImpl<const SCEV *> &Sizes) {
   Value *SrcPtr = getLoadStorePointerOperand(Inst);
 
   // Check the simple case where the array dimensions are fixed size.

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https://github.com/llvm/llvm-project/pull/162888