[PATCH] Sink integer extend into user blocks if the target type is going to be expanded.

[NAKAMURA Takumi]

Manuel, excuse me, I have reverted r203230 in r203386.
I saw infinite loop for targeting i686.
http://bb.pgr.jp/builders/clang-3stage-i686-linux

A file attached. I expect "opt -codegenprepare" will reproduce the issue.

...Takumi

2014-03-07 19:20 GMT+09:00 Tim Northover <t.p.northover at gmail.com>:
>
>   Hi Manuel,
>
>   This looks good to me. Thanks for updating it.
>
>   Tim.
>
> http://llvm-reviews.chandlerc.com/D2973
>
> BRANCH
>   mul128
>
> ARCANIST PROJECT
>   llvm
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> llvm-commits at cs.uiuc.edu
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