[PATCH] D29791: AMDGPU: Don't always break soft clauses

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
Herald added subscribers: tpr, tony-tye, yaxunl, nhaehnle, wdng, kzhuravl.

This is only necessary if one of the input pointer value registers is
clobbered by a load.


https://reviews.llvm.org/D29791

Files:
  lib/Target/AMDGPU/AMDGPUSubtarget.h
  lib/Target/AMDGPU/SIInsertWaits.cpp
  test/CodeGen/AMDGPU/break-vmem-soft-clauses.mir

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