[llvm] [RISCV][TTI] Recognize CONCAT_VECTORS if a shufflevector mask is multiple insert subvector. (PR #111459)
Luke Lau via llvm-commits
llvm-commits at lists.llvm.org
Thu Oct 17 00:26:13 PDT 2024
================
@@ -343,6 +343,52 @@ RISCVTTIImpl::getConstantPoolLoadCost(Type *Ty, TTI::TargetCostKind CostKind) {
/*AddressSpace=*/0, CostKind);
}
+InstructionCost
+RISCVTTIImpl::isMultipleInsertSubvector(VectorType *Tp, ArrayRef<int> Mask,
+ TTI::TargetCostKind CostKind) {
----------------
lukel97 wrote:
Not move it into getShuffleCost, but just convert it into a static function that only checks the mask
https://github.com/llvm/llvm-project/pull/111459
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