[polly] r264140 - Add option to disallow modref function calls in scops.

[Tobias Grosser via llvm-commits]

On 03/23/2016 07:40 AM, Tobias Grosser via llvm-commits wrote:
> Author: grosser
> Date: Wed Mar 23 01:40:15 2016
> New Revision: 264140
>
> URL: http://llvm.org/viewvc/llvm-project?rev=264140&view=rev
> Log:
> Add option to disallow modref function calls in scops.
>
> This might be useful to evaluate the benefit of us handling modref funciton
> calls. Also, a new bug that was triggered by modref function calls was
> recently reported http://llvm.org/PR27035. To ensure the same issue does not
> cause troubles for other people, we temporarily disable this until the bug
> is resolved.

Interestingly, this also fixed/hide one of the four LNT failures 
(sqlite3) we otherwise saw in in polly-position=before-vectorizer.

This means we are now down to 4 LNT failures (caused by two compile time 
issues)!

Best,
Tobias