[llvm] [LoopIdiom] Add a range attribute to formed memset/memcpy/memmove (PR #226801)

via llvm-commits llvm-commits at lists.llvm.org
Sun Sep 27 08:53:27 PDT 2026


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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp -- llvm/lib/Transforms/Scalar/LoopIdiomRecognize.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/Transforms/Scalar/LoopIdiomRecognize.cpp b/llvm/lib/Transforms/Scalar/LoopIdiomRecognize.cpp
index 0529ca686..f39053169 100644
--- a/llvm/lib/Transforms/Scalar/LoopIdiomRecognize.cpp
+++ b/llvm/lib/Transforms/Scalar/LoopIdiomRecognize.cpp
@@ -1205,9 +1205,8 @@ bool LoopIdiomRecognize::processLoopStridedStore(
       return Changed;
     Value *TripCount = Expander.expandCodeFor(TripCountS, IntIdxTy,
                                               Preheader->getTerminator());
-    PatternRepsPerTrip =
-        (ConstStoreSize->getValue()->getZExtValue() * 8) /
-        DL->getTypeSizeInBits(PatternValue->getType());
+    PatternRepsPerTrip = (ConstStoreSize->getValue()->getZExtValue() * 8) /
+                         DL->getTypeSizeInBits(PatternValue->getType());
     // If ConstStoreSize is not equal to the width of PatternValue, then
     // MemsetArg is TripCount * (ConstStoreSize/PatternValueWidth). Else
     // MemSetArg is just TripCount.

``````````

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https://github.com/llvm/llvm-project/pull/226801


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