Austin Kerbow ba0d079c7a [AMDGPU] Aggressively schedule to reduce RP in occupancy limited regions ...

By not clustering loads and adjusting heuristics to more aggressively reduce
register pressure we may be able to increase occupancy for the function if it
was dropped in a first pass scheduling.

Similarly, try to reduce spilling if register usage exceeds lower bound
occupancy.

Reviewed By: rampitec

Differential Revision: https://reviews.llvm.org/D130329

2022-07-27 22:34:37 -07:00

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