[PATCH] D89969: [SLP] Consider alternatives for cost of select instructions.
Sam Parker via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Fri Oct 23 00:15:50 PDT 2020
samparker added inline comments.
================
Comment at: llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp:3378
+// return the cost for that variant.
+static int getVectorMinMaxCost(ArrayRef<Value *> VL, Type *VecTy, Type *MaskTy,
+ TTI::TargetCostKind CostKind,
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Maybe this should be part of TTI? There's already static methods for reduction matching and could this logic not also be useful for the loop vectorizer?
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https://reviews.llvm.org/D89969/new/
https://reviews.llvm.org/D89969
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