[PATCH] D17391: [WinEH] Hoist state stores from successors

[David Majnemer via llvm-commits]

majnemer created this revision.
majnemer added a reviewer: rnk.
majnemer added a subscriber: llvm-commits.

If we know that all of our successors want to be in the exact same
state, it makes sense to hoist the state transition into their common
predecessor.

http://reviews.llvm.org/D17391

Files:
  lib/Target/X86/X86WinEHState.cpp
  test/CodeGen/X86/win-catchpad.ll

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