[PATCH] D17294: Fix for PR 26500

[Nemanja Ivanovic via llvm-commits]

nemanjai updated this revision to Diff 48382.
nemanjai added a comment.

I forgot one change:

- If the second scratch register is not available, find_next will return -1

Of course, this should never happen if the caller provides the correct argument for Needs2ScratchRegs (we will have returned before getting here). However, assuming the caller incorrectly sets the argument, we don't want to return some huge register number.


Repository:
  rL LLVM

http://reviews.llvm.org/D17294

Files:
  lib/Target/PowerPC/PPCFrameLowering.cpp
  lib/Target/PowerPC/PPCFrameLowering.h

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