0001-Fixup-assert-fails-caused-by-incorrect-LoopInfo-update

[Star Tan]

Hi all,


I have attached a patch file to fix up the CodeGen assert fail, which is also reported in a recent bug  http://llvm.org/bugs/show_bug.cgi?id=16944


The assert fail is caused by those LoopInfo updates added in r181987.  
Note that the LoopInfo of MergeBlock has been updated in the function "SplitBlock", so it should not be updated again in CodeGen.


@Tobias or @Sebastian, could you do me a favor to commit the patch file?


Thanks,
Star Tan
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