[llvm] [TTI]Add support for strided loads/stores. (PR #80329)

[Philip Reames via llvm-commits]

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@@ -1041,6 +1046,15 @@ InstructionCost TargetTransformInfo::getGatherScatterOpCost(
   return Cost;
 }
 
+InstructionCost TargetTransformInfo::getStridedMemoryOpCost(
+    unsigned Opcode, Type *DataTy, const Value *Ptr, bool VariableMask,
+    Align Alignment, TTI::TargetCostKind CostKind, const Instruction *I) const {
+  InstructionCost Cost = TTIImpl->getStridedMemoryOpCost(
+      Opcode, DataTy, Ptr, VariableMask, Alignment, CostKind, I);
+  assert(Cost >= 0 && "TTI should not produce negative costs!");
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preames wrote:

This assert will need adjusted.

https://github.com/llvm/llvm-project/pull/80329