[PATCH] D134951: [CodeGen][RegAllocFast] Add MRI delegate callback to notify VReg spill

[Quentin Colombet via Phabricator via llvm-commits]

qcolombet accepted this revision.
qcolombet added a comment.
This revision is now accepted and ready to land.

LGTM.



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Comment at: llvm/lib/CodeGen/RegAllocFast.cpp:492
   int FI = getStackSpaceFor(VirtReg);
+  MRI->noteVirtualRegisterSpill(VirtReg);
   const TargetRegisterClass &RC = *MRI->getRegClass(VirtReg);
----------------
Nit: we may want to have two different events for spill and reload. But I'm fine keeping this as is for now if that is enough for your needs.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D134951/new/

https://reviews.llvm.org/D134951