[PATCH] D41672: support phi ranges for machine-level IR

[Bob Wilson via Phabricator via llvm-commits]

bob.wilson created this revision.
bob.wilson added reviewers: mehdi_amini, bkramer, chandlerc.
Herald added a subscriber: mcrosier.

Add iterator ranges for machine instruction phis, similar to the IR-level
phi ranges added in r303964. I updated a few places to use this. Besides 
general code simplification, this change will allow removing a non-upstream 
change from Swift's copy of LLVM (in a better way than my previous attempt
in http://reviews.llvm.org/D19080).


https://reviews.llvm.org/D41672

Files:
  CodeGen/MachineInstrTest.cpp
  CodeGen/MachinePipeliner.cpp
  llvm/CodeGen/MachineBasicBlock.h
  llvm/Transforms/Utils/SSAUpdaterImpl.h

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