[all-commits] [llvm/llvm-project] 53eb0f: [AMDGPU] Attempt to reschedule withou clustering

[Stanislav Mekhanoshin via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 53eb0f8c07130d19cc79a439fbd797ffd45a49da
      https://github.com/llvm/llvm-project/commit/53eb0f8c07130d19cc79a439fbd797ffd45a49da
  Author: Stanislav Mekhanoshin <Stanislav.Mekhanoshin at amd.com>
  Date:   2020-01-27 (Mon, 27 Jan 2020)

  Changed paths:
    M llvm/lib/Target/AMDGPU/GCNSchedStrategy.cpp
    M llvm/lib/Target/AMDGPU/GCNSchedStrategy.h
    A llvm/test/CodeGen/AMDGPU/schedule-regpressure-limit-clustering.ll

  Log Message:
  -----------
  [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