[PATCH] D14308: [SimplifyCFG] Extend SimplifyResume to handle phi of trivial landing pad.

[Chen Li via llvm-commits]

chenli created this revision.
chenli added reviewers: reames, majnemer.
chenli added a subscriber: llvm-commits.

This is a fix of D13718. D13718 was committed but then reverted because of the following bug:
https://llvm.org/bugs/show_bug.cgi?id=25299

This patch fixes the issue shown in the bug.

http://reviews.llvm.org/D14308

Files:
  lib/Transforms/Utils/SimplifyCFG.cpp
  test/Transforms/SimplifyCFG/bug-25299.ll
  test/Transforms/SimplifyCFG/invoke_unwind.ll

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