Reid Kleckner f071744d81 Re-land "[Thumb] Save/restore high registers in Thumb1 pro/epilogues"
Reverts r283938 to reinstate r283867 with a fix.

The original change had an ArrayRef referring to a destroyed temporary
initializer list. Use plain C arrays instead.

llvm-svn: 283942
2016-10-11 21:14:03 +00:00
..
2016-10-11 16:32:37 +00:00