[llvm] Redesign Straight-Line Strength Reduction (SLSR) (PR #162930)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp -- llvm/lib/Transforms/Scalar/StraightLineStrengthReduce.cpp
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``````````diff
diff --git a/llvm/lib/Transforms/Scalar/StraightLineStrengthReduce.cpp b/llvm/lib/Transforms/Scalar/StraightLineStrengthReduce.cpp
index 43e13c512..23d9fcc4d 100644
--- a/llvm/lib/Transforms/Scalar/StraightLineStrengthReduce.cpp
+++ b/llvm/lib/Transforms/Scalar/StraightLineStrengthReduce.cpp
@@ -747,8 +747,9 @@ void StraightLineStrengthReduce::setBasisAndDeltaFor(Candidate &C) {
 // Y = A + 2
 // Z = A + 3
 // Return the delta info for C aginst the new Basis
-auto StraightLineStrengthReduce::compressPath(
-    Candidate &C, Candidate *Basis) const -> DeltaInfo {
+auto StraightLineStrengthReduce::compressPath(Candidate &C,
+                                              Candidate *Basis) const
+    -> DeltaInfo {
   if (!Basis || !Basis->Basis || C.CandidateKind == Candidate::Mul)
     return {};
   Candidate *Root = Basis;

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https://github.com/llvm/llvm-project/pull/162930