[PATCH] D15815: [SLP] Truncate expressions to minimum required bit width

[Nadav Rotem via llvm-commits]

Sounds good. Thanks Matthew.

> On Jan 21, 2016, at 10:06 AM, Matthew Simpson <mssimpso at codeaurora.org> wrote:
> 
> mssimpso added a comment.
> 
> Hi Nadav. Yes, I measured compile-time and performance of this patch together with http://reviews.llvm.org/D14829 (I included the results in comments for that revision). There were no compile-time regressions and modest performance improvements in two spec benchmarks (povray and h264ref). But I've temporarily reverted this patch due to a failing bot while I correct the issue.
> 
> 
> Repository:
>  rL LLVM
> 
> http://reviews.llvm.org/D15815
> 
> 
>