[PATCH][LoopStrengthReduce] Don't trim a formula that uses a subset of required registers

[Adam Nemet]

On Apr 29, 2014, at 9:20 AM, Robinson, Paul <Paul_Robinson at playstation.sony.com> wrote:

>>>> * remove clang from the substitutions in lit.cfg so that the next 
>>>>  person won't get confused like I got
>>> 
>>> Sure, but in a separate commit.
>>> 
>> Of course.
> 
> While you're there, please also remove c-index-test from the list.
> I'm pretty sure the rest of the tools are actually built by LLVM,
> although the acid test would be a just-llvm checkout and build.

Sure.  I am also planning to remove .c and .cpp as supported suffixes in the llvm test dirs.

I will make these changes one by one to let the buildbots keep up.

Adam

> 
> I did a find+grep of llvm/test and found no uses of 'RUN:.*clang' or
> 'RUN:.*c-index-test' so it should be okay.
> --paulr
>