[llvm] [LV] Fix the cost of first order recurrence splice (PR #192473)

via llvm-commits llvm-commits at lists.llvm.org
Thu Apr 16 08:22:26 PDT 2026


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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp -- llvm/lib/Transforms/Vectorize/LoopVectorize.cpp llvm/lib/Transforms/Vectorize/VPlanRecipes.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/VPlanRecipes.cpp b/llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp
index 18d04f941..2753c2194 100644
--- a/llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp
+++ b/llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp
@@ -1232,8 +1232,8 @@ InstructionCost VPInstruction::computeCost(ElementCount VF,
     Type *VectorTy = toVectorTy(Ctx.Types.inferScalarType(this), VF);
     return Ctx.TTI.getShuffleCost(TargetTransformInfo::SK_Splice,
                                   cast<VectorType>(VectorTy),
-                                  cast<VectorType>(VectorTy), {},
-                                  Ctx.CostKind, -(VF.getKnownMinValue() - 1));
+                                  cast<VectorType>(VectorTy), {}, Ctx.CostKind,
+                                  -(VF.getKnownMinValue() - 1));
   }
   case VPInstruction::ActiveLaneMask: {
     Type *ArgTy = Ctx.Types.inferScalarType(getOperand(0));

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https://github.com/llvm/llvm-project/pull/192473


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