[PATCH] D73386: [AMDGPU] Attempt to reschedule withou clustering

[Stanislav Mekhanoshin via Phabricator via llvm-commits]

rampitec created this revision.
rampitec added reviewers: foad, kerbowa, vpykhtin.
Herald added subscribers: hiraditya, t-tye, tpr, dstuttard, yaxunl, nhaehnle, wdng, jvesely, kzhuravl, arsenm.
Herald added a project: LLVM.

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.


https://reviews.llvm.org/D73386

Files:
  llvm/lib/Target/AMDGPU/GCNSchedStrategy.cpp
  llvm/lib/Target/AMDGPU/GCNSchedStrategy.h
  llvm/test/CodeGen/AMDGPU/schedule-regpressure-limit-clustering.ll

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