[PATCH] D29448: [RegAlloc] Don’t freeze reserved registers again if it is not necessary

Quentin Colombet via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu Feb 16 17:56:35 PST 2017


qcolombet added a comment.

Hi Volkan,

I think LiveVariables is not used anymore and the MachineVerifier could certainly be adapted.

Could you check how DeadMachineInstructionElim uses that information and how we can live without the reserved set to be frozen?

Cheers,
-Quentin


https://reviews.llvm.org/D29448





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