[PATCH] D134951: [CodeGen] Propagate vreg flags to the regalloc spiller interface

[Christudasan Devadasan via Phabricator via llvm-commits]

cdevadas created this revision.
cdevadas added reviewers: qcolombet, MatzeB, stoklund, arsenm.
Herald added subscribers: kosarev, hiraditya, tpr.
Herald added a project: All.
cdevadas requested review of this revision.
Herald added subscribers: llvm-commits, wdng.
Herald added a project: LLVM.

This patch helps targets to propagate and access the vreg flags
inside the spiller interface invoked by the register allocator.
AMDGPU target, for instance, needs to special handle certain
spills associated with vector register operands.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D134951

Files:
  llvm/include/llvm/CodeGen/MachineRegisterInfo.h
  llvm/lib/CodeGen/LiveIntervals.cpp
  llvm/lib/CodeGen/LiveRangeEdit.cpp
  llvm/lib/CodeGen/MachineRegisterInfo.cpp
  llvm/lib/CodeGen/RegAllocFast.cpp

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