[PATCH] D15840: [WinEH] Update catchrets with cloned successors

[Joseph Tremoulet via llvm-commits]

JosephTremoulet created this revision.
JosephTremoulet added reviewers: majnemer, andrew.w.kaylor, rnk.
JosephTremoulet added a subscriber: llvm-commits.

Add a pass to update catchrets when their successors get cloned; the
existing pass doesn't catch these because it walks the funclet whose
blocks are being cloned but the catchret is in a child funclet.

Also update the test for removing incoming PHI values; when the
predecessor is a catchret, the relevant color is the catchret's parentPad,
not its block's color.


http://reviews.llvm.org/D15840

Files:
  lib/CodeGen/WinEHPrepare.cpp
  test/CodeGen/WinEH/wineh-cloning.ll

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