[llvm] [VPlan] Extend tryToFoldLiveIns to fold binary intrinsics (PR #161703)

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Mon Oct 20 04:30:59 PDT 2025


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``````````bash
git-clang-format --diff origin/main HEAD --extensions h,cpp -- llvm/include/llvm/Analysis/InstSimplifyFolder.h llvm/lib/Transforms/Vectorize/VPlanTransforms.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/Vectorize/VPlanTransforms.cpp b/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
index c200d4f50..a30a494fd 100644
--- a/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
+++ b/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
@@ -1045,8 +1045,7 @@ static void simplifyRecipe(VPRecipeBase &R, VPTypeAnalysis &TypeInfo) {
   // InstSimplifyFolder.
   const DataLayout &DL =
       Plan->getScalarHeader()->getIRBasicBlock()->getDataLayout();
-  if (Value *V =
-          tryToFoldLiveIns(*Def, Def->operands(), DL, TypeInfo))
+  if (Value *V = tryToFoldLiveIns(*Def, Def->operands(), DL, TypeInfo))
     return Def->replaceAllUsesWith(Plan->getOrAddLiveIn(V));
 
   // Fold PredPHI LiveIn -> LiveIn.

``````````

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https://github.com/llvm/llvm-project/pull/161703


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