Commit 160daedf authored by Michael Kuperstein's avatar Michael Kuperstein Committed by TensorFlower Gardener
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[XLA] Handle kDynamicSlice and kDynamicUpdateSlice correctly in HloCostAnalysis 

kDynamicSlice only needs to reads the part of the operand that is sliced out.
kDynamicUpdateSlice needs to read the update, and write it out to the relevant part of the updated operand, but does not need to read the updated operand at all.

PiperOrigin-RevId: 200293681
parent 1cb06f58
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