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Joseph Tremoulet bff6334639 [WinEH] Simplify unreachable catchpads
Summary:
At least for CoreCLR, a catchpad which immediately executes an
`unreachable` instruction indicates that the exception can never have a
matching type, and so such catchpads can be removed, and so can their
catchswitches if the catchswitch becomes empty.

Reviewers: rnk, andrew.w.kaylor, majnemer

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D15846

llvm-svn: 256809
2016-01-05 02:37:41 +00:00
..
2014-06-27 18:19:56 +00:00
2015-12-18 19:57:26 +00:00