[PATCH] D20847: BitCast infinite loop fix

[Hal Finkel via llvm-commits]

hfinkel added a subscriber: hfinkel.
hfinkel added a comment.

In http://reviews.llvm.org/D20847#445263, @majnemer wrote:

> This needs a testcase.
>
> Also, I find removing things from the worklist incredibly, deeply suspicious.  Otherwise the rest of InstCombine must be careful not to add the item to the list, no?


Could you please explain how this ends up looping? Are we recreating the same input over again?


Repository:
  rL LLVM

http://reviews.llvm.org/D20847