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Author SHA1 Message Date
Vang Thao 04bd5b5286 [AMDGPU] Fix not rescheduling without clustering 
Regions are sometimes skipped which should be rescheduled without memory op
clustering. RegionIdx is not incremented when iterating over regions that
are flagged to be skipped, causing the index to be incorrect.

Thanks to Vang Thao for discovering this bug!

Reviewed By: rampitec

Differential Revision: https://reviews.llvm.org/D85498
 2020-08-07 11:15:58 -07:00
Stanislav Mekhanoshin 53eb0f8c07 [AMDGPU] Attempt to reschedule withou clustering 
We want to have more load/store clustering but we also want
to maintain low register pressure which are oposit targets.
Allow scheduler to reschedule regions without mutations
applied if we hit a register limit.

Differential Revision: https://reviews.llvm.org/D73386
 2020-01-27 10:27:16 -08:00