[llvm] [LoopVectorizer] Prune VFs based on plan register pressure (PR #132190)

Gaƫtan Bossu via llvm-commits llvm-commits at lists.llvm.org
Tue Apr 15 05:02:43 PDT 2025


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@@ -4527,6 +4507,11 @@ static bool willGenerateVectors(VPlan &Plan, ElementCount VF,
 }
 
 #ifndef NDEBUG
+static SmallVector<LoopVectorizationCostModel::RegisterUsage, 8>
+calculateRegisterUsage(VPlan &Plan, ArrayRef<ElementCount> VFs,
+                       const TargetTransformInfo &TTI,
+                       const SmallPtrSetImpl<const Value *> &ValuesToIgnore);
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gbossu wrote:

Checking: This function was already defined, but it was used in another context. If so, which one?

https://github.com/llvm/llvm-project/pull/132190


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