[llvm] [ValueTracking] Check both operands for being 0 and then the other for isKnownNonZero (PR #147330)

via llvm-commits llvm-commits at lists.llvm.org
Mon Jul 7 09:37:51 PDT 2025


github-actions[bot] wrote:

<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


:warning: C/C++ code formatter, clang-format found issues in your code. :warning:

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You can test this locally with the following command:
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``````````bash
git-clang-format --diff HEAD~1 HEAD --extensions cpp -- llvm/lib/Analysis/ValueTracking.cpp
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<details>
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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 c45fe3a75..792befe5b 100644
--- a/llvm/lib/Analysis/ValueTracking.cpp
+++ b/llvm/lib/Analysis/ValueTracking.cpp
@@ -2882,9 +2882,9 @@ static bool isNonZeroSub(const APInt &DemandedElts, const SimplifyQuery &Q,
 
   // TODO: Move these into isKnownNonEqual().
   if (match(X, m_Zero()) && isKnownNonZero(Y, DemandedElts, Q, Depth))
-      return true;
+    return true;
   if (match(Y, m_Zero()) && isKnownNonZero(X, DemandedElts, Q, Depth))
-      return true;
+    return true;
 
   return ::isKnownNonEqual(X, Y, DemandedElts, Q, Depth);
 }

``````````

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https://github.com/llvm/llvm-project/pull/147330


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