[PATCH] D22027: BranchFolding: Use LivePhysReg to update live in lists.

[Matthias Braun via llvm-commits]

MatzeB created this revision.
MatzeB added reviewers: qcolombet, ab.
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Herald added a subscriber: mcrosier.

Use LivePhysRegs with a backwards walking algorithm to update live in
lists, this way the results do not depend on the presence of kill flags
anymore.

Repository:
  rL LLVM

http://reviews.llvm.org/D22027

Files:
  lib/CodeGen/BranchFolding.cpp
  lib/CodeGen/BranchFolding.h

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