[PATCH] D11174: [BranchFolding] do not iterate the aliases of virtual registers

[Jingyue Wu]

jingyue updated this revision to Diff 30313.
jingyue added a comment.

update header comments


http://reviews.llvm.org/D11174

Files:
  lib/CodeGen/BranchFolding.cpp
  lib/Target/NVPTX/NVPTXTargetMachine.cpp
  test/CodeGen/NVPTX/branch-fold.ll

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