[PATCH] D36795: [SystemZ] Increase number of LOCRs emitted by passing regalloc hints

[Jonas Paulsson via Phabricator via llvm-commits]

jonpa created this revision.

TargetRegisterInfo::getRegAllocationHints() is implemented for SystemZ with an increase in number of LOCRs.

Also included as background is an experiment that involves constraining the regclasses during isel pseudo expansion.

Comments will follow.


https://reviews.llvm.org/D36795

Files:
  lib/Target/SystemZ/SystemZISelLowering.cpp
  lib/Target/SystemZ/SystemZISelLowering.h
  lib/Target/SystemZ/SystemZRegisterInfo.cpp
  lib/Target/SystemZ/SystemZRegisterInfo.h

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