Tim Northover 47cbd520cf ARM: use r7 as the frame-pointer on all MachO targets.
This is better for a few reasons:
  + It matches the other tooling for iOS.
  + It matches EABI in more cases (i.e. Thumb-mode, and in practice we don't
    use ARM mode).
  + It leads to infinitesimally smaller code (0.2%, yay!).

rdar://25369506

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@266003 91177308-0d34-0410-b5e6-96231b3b80d8
2016-04-11 22:27:40 +00:00
..
2016-01-28 18:59:04 +00:00
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