[llvm] [ValueTracking] Fold zero compares using conditional non-zero reasoning (PR #192860)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp -- llvm/lib/Analysis/ValueTracking.cpp --diff_from_common_commit
``````````

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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/lib/Analysis/ValueTracking.cpp b/llvm/lib/Analysis/ValueTracking.cpp
index cc62dbd72..6c8a63b86 100644
--- a/llvm/lib/Analysis/ValueTracking.cpp
+++ b/llvm/lib/Analysis/ValueTracking.cpp
@@ -9781,7 +9781,7 @@ isImpliedCondICmps(CmpPredicate LPred, const Value *L0, const Value *L1,
     if (std::optional<bool> Res = getICmpZeroResultIfNonZero(RZeroCmpPred))
       if (isKnownNonZeroUnderICmp(RZeroCmpLHS, LPred.dropSameSign(), L0, L1,
                                   /*Depth=*/0))
-      return *Res;
+        return *Res;
 
   // a - b == NonZero -> a != b
   // ptrtoint(a) - ptrtoint(b) == NonZero -> a != b

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https://github.com/llvm/llvm-project/pull/192860