[llvm] [SLP][REVEC] Make ShuffleCostEstimator and ShuffleInstructionBuilder can vectorize vector instructions. (PR #99606)
Alexey Bataev via llvm-commits
llvm-commits at lists.llvm.org
Thu Jul 25 10:13:18 PDT 2024
================
@@ -8728,6 +8744,15 @@ class BoUpSLP::ShuffleCostEstimator : public BaseShuffleAnalysis {
}
return TTI::TCC_Free;
};
+ auto GetVF = [&](Value *V) {
+ unsigned VNumElements =
+ cast<FixedVectorType>(V->getType())->getNumElements();
+ assert(VNumElements > ScalarTyNumElements &&
+ "the number of elements of V is not large enough");
+ assert(VNumElements % ScalarTyNumElements == 0 &&
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alexey-bataev wrote:
What if ScalarTyNumElements is non-power-of-2, can it happen?
https://github.com/llvm/llvm-project/pull/99606
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