[llvm] [IndVarSimplify] Remove sinkunusedInvariants (PR #169250)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp -- llvm/lib/Transforms/Scalar/IndVarSimplify.cpp --diff_from_common_commit
``````````

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``````````diff
diff --git a/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp b/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp
index e22591f92..eab1d4975 100644
--- a/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp
+++ b/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp
@@ -162,7 +162,6 @@ class IndVarSimplify {
                                  const SCEV *ExitCount,
                                  PHINode *IndVar, SCEVExpander &Rewriter);
 
-
 public:
   IndVarSimplify(LoopInfo *LI, ScalarEvolution *SE, DominatorTree *DT,
                  const DataLayout &DL, TargetLibraryInfo *TLI,
@@ -1999,7 +1998,6 @@ bool IndVarSimplify::run(Loop *L) {
 
   // The Rewriter may not be used from this point on.
 
-
   // rewriteFirstIterationLoopExitValues does not rely on the computation of
   // trip count and therefore can further simplify exit values in addition to
   // rewriteLoopExitValues.

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https://github.com/llvm/llvm-project/pull/169250