================
@@ -974,6 +974,11 @@ AArch64TTIImpl::getIntrinsicInstrCost(const
IntrinsicCostAttributes &ICA,
}
break;
}
+ case Intrinsic::loop_dependence_raw_mask:
+ case Intrinsic::loop_dependence_war_mask:
+ if (ST->hasSVE2())
+ return 1;
+ return InstructionCost::getInvalid(CostKind);
----------------
sdesmalen-arm wrote:
I would suggest reverting to calling the default cost-model here by doing
`break;`.
To the question whether to return either an Invalid or a high cost in the
default cost-model, I would argue for a high cost because that would allow for
testing the feature without requiring the special instructions.
https://github.com/llvm/llvm-project/pull/100579
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