[llvm] r243253 - Roll forward r243250

[Hans Wennborg via llvm-commits]

(cc'ing the new list; sorry for the duplicate email)

On Wed, Sep 9, 2015 at 1:24 PM, Hans Wennborg <hans at chromium.org> wrote:
> On Sun, Jul 26, 2015 at 12:10 PM, Jingyue Wu <jingyue at google.com> wrote:
>> Author: jingyue
>> Date: Sun Jul 26 14:10:03 2015
>> New Revision: 243253
>>
>> URL: http://llvm.org/viewvc/llvm-project?rev=243253&view=rev
>> Log:
>> Roll forward r243250
>>
>> r243250 appeared to break clang/test/Analysis/dead-store.c on one of the build
>> slaves, but I couldn't reproduce this failure locally. Probably a false
>> positive as I saw this test was broken by r243246 or r243247 too but passed
>> later without people fixing anything.
>
> This caused a 150 KB binary size increase in Chromium. Is that expected?
>
> I'm not familiar with this code, but from my reading of the change
> description, it sounds more like it should decrease size by folding
> more address computations into mov instructions?