[PATCH] D113350: [X86][Costmodel] `getReplicationShuffleCost()`: implement cost model for 32/64 bit-wide elements with AVX512F

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added inline comments.


================
Comment at: llvm/lib/Target/X86/X86TargetTransformInfo.cpp:3654
+  std::pair<InstructionCost, MVT> ReplicatedVecTyLegalization =
+      TLI->getTypeLegalizationCost(DL, ReplicatedVecTy);
+
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We're not using the cost at all. just the legalized type?


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  https://reviews.llvm.org/D113350/new/

https://reviews.llvm.org/D113350