[PATCH] Call verifyPreservedAnalysis in LoopPass even if loop is deleted

[Mark Heffernan]

Hi dexonsmith,

Unconditionally call verifyPreservedAnalysis after each loop pass.  Previously this function was not called in the case where the loop was eliminated (such as if the loop is fully unrolled).  However, we want to call verifyPreservedAnalysis in this case because preserved analysis such as LoopInfo may have been modified.

http://reviews.llvm.org/D5732

Files:
  lib/Analysis/LoopPass.cpp
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