Saleem Abdulrasool a83f45be97 ARM IAS: refactor unwind context
Move the unwinding context for the ARM IAS into a helper class.  This is purely
a structural refactoring.  A follow up change allows for recording additional
depth to improve diagnostics.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198664 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-07 02:28:55 +00:00
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2014-01-07 01:54:16 +00:00
2014-01-07 02:28:55 +00:00