Stanislav Mekhanoshin a397c1c82f [AMDGPU] Tune perfhint analysis to account access width ...

A function with less memory instructions but wider access
is the same as a function with more but narrower accesses
in terms of memory boundness. In fact the pass would give
different answers before and after vectorization without
this change.

Differential Revision: https://reviews.llvm.org/D105651

2021-07-21 12:46:10 -07:00

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