[PATCH] D14750: Support for function-live-in virtual registers

[Dan Gohman via llvm-commits]

sunfish updated this revision to Diff 40842.
sunfish added a comment.

getVRegDef actually asserts if there isn't exactly one def, rather than returning nullptr, so make getVRegDefMBB do that too.


Repository:
  rL LLVM

http://reviews.llvm.org/D14750

Files:
  include/llvm/CodeGen/MachineRegisterInfo.h
  lib/CodeGen/LiveRangeCalc.cpp
  lib/CodeGen/LiveVariables.cpp
  lib/CodeGen/MachineCSE.cpp
  lib/CodeGen/MachineLICM.cpp
  lib/CodeGen/MachineRegisterInfo.cpp
  lib/CodeGen/MachineVerifier.cpp
  lib/CodeGen/PeepholeOptimizer.cpp
  lib/CodeGen/RegisterCoalescer.cpp

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