Matthias Springer 79f115911e [mlir][bufferize] Avoid tensor copies when the data is not read
There are various shortcuts in `BufferizationState::getBuffer` that avoid a buffer copy when we just need an allocation (and no initialization). This change adds those shortcuts to the TensorCopyInsertion pass, so that `getBuffer` can be simplified in a subsequent change.

Differential Revision: https://reviews.llvm.org/D126821
2022-06-10 10:26:07 +02:00
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