[PATCH] D20949: [AggressiveAntiDepBreaker] Don't change aliased registers of liveins to alive in StartBlock

[Chuang-Yu Cheng via llvm-commits]

cycheng updated this revision to Diff 61511.
cycheng added a comment.
Herald added a subscriber: nemanjai.

Add explanation in StartBlock to address Hal's review comment.


http://reviews.llvm.org/D20949

Files:
  lib/CodeGen/AggressiveAntiDepBreaker.cpp
  test/CodeGen/PowerPC/ppc64-aadb.ll

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