Chandler Carruth 37d25de459 [inliner] Fix PR18206 by preventing inlining functions that call setjmp ...

through an invoke instruction.

The original patch for this was written by Mark Seaborn, but I've
reworked his test case into the existing returns_twice test case and
implemented the fix by the prior refactoring to actually run the cost
analysis over invoke instructions, and then here fixing our detection of
the returns_twice attribute to work for both calls and invokes. We never
noticed because we never saw an invoke. =[

llvm-svn: 197216

2013-12-13 08:00:01 +00:00

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