[PATCH] X86: Enable subregister liveness tracking.

Matthias Braun matze at braunis.de
Fri Jun 19 17:21:08 PDT 2015

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Abandoning this: There are no measurable performance benefits, so this is not worth the compiletime. We don't need this for testing the subreg infrastructure as AMDGPU (and an out-of-tree target) already have it enabled.


REPOSITORY
  rL LLVM

http://reviews.llvm.org/D8488

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