[llvm] r238217 - CodeGenPrepare: Don't match addressing modes through addrspacecast

[Matt Arsenault]

> On May 26, 2015, at 11:48 AM, Renato Golin <renato.golin at linaro.org> wrote:
> 
> Hi Matt,
> 
> Is this R600 specific?
> 
> I'm getting this with just your patch:
> 
> http://lab.llvm.org:8011/builders/clang-cmake-thumbv7-a15-full-sh/builds/1127 <http://lab.llvm.org:8011/builders/clang-cmake-thumbv7-a15-full-sh/builds/1127>
> 
> Normally, I'd say they're unrelated, but address casting change and
> address sanitizer may correlate.
> 
> cheers,

It shouldn’t change anything on ARM, since it always returns true for isNoopAddrSpaceCast
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