[PATCH] D37899: [SystemZ] Implement shouldCoalesce() to help regalloc to avoid running out of registers with GR128 regs

[Jonas Paulsson via Phabricator via llvm-commits]

jonpa updated this revision to Diff 116961.
jonpa added a comment.

Add test that exposes an ADDR128 virtual register.


https://reviews.llvm.org/D37899

Files:
  include/llvm/Target/TargetRegisterInfo.h
  lib/CodeGen/RegisterCoalescer.cpp
  lib/Target/AMDGPU/SIRegisterInfo.cpp
  lib/Target/AMDGPU/SIRegisterInfo.h
  lib/Target/ARM/ARMBaseRegisterInfo.cpp
  lib/Target/ARM/ARMBaseRegisterInfo.h
  lib/Target/SystemZ/SystemZRegisterInfo.cpp
  lib/Target/SystemZ/SystemZRegisterInfo.h
  test/CodeGen/SystemZ/regalloc-GR128.ll

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