[PATCH] propagate IR-level fast-math-flags to DAG nodes, disabled by default

Sanjay Patel spatel at rotateright.com
Mon Jul 20 10:34:00 PDT 2015

On Fri, Jul 17, 2015 at 4:42 PM, Nick Lewycky <nlewycky at google.com> wrote:

> On 9 July 2015 at 15:27, Sanjay Patel <spatel at rotateright.com> wrote:
>> Hi Nick,
>> The reciprocal fix is in at r241826. Please let me know when you find
>> another failure. Thanks!
> Thank you! I tested it and found exactly nothing wrong. Hopefully I didn't
> goof the testing, but I think it's time to flip the flag to true, then wait
> a few days before removing the flag entirely.

Wow...I'm surprised, but I'll hope for the best. Thanks for the testing!

Note however, that we still have problems with PR24141 which is related to
> unsafe fp math, but doesn't change with the -enable-fmf-dag flag.

Proposed fix:
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