Kerry McLaughlin d259f6577a [CostModel] Return an invalid cost for memory ops with unsupported types
Fixes getTypeConversion to return `TypeScalarizeScalableVector` when a scalable vector
type cannot be legalized by widening/splitting. When this is the method of legalization
found, getTypeLegalizationCost will return an Invalid cost.

The getMemoryOpCost, getMaskedMemoryOpCost & getGatherScatterOpCost functions already call
getTypeLegalizationCost and will now also return an Invalid cost for unsupported types.

Reviewed By: sdesmalen, david-arm

Differential Revision: https://reviews.llvm.org/D102515
2021-06-08 12:07:36 +01:00
2021-06-08 00:16:13 +00:00
2016-01-26 21:29:08 +00:00
2020-03-14 18:08:26 -07:00

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