basic_block flags, BB_VISITED

Richard Biener
Fri Oct 14 11:07:00 GMT 2016

On Fri, Oct 14, 2016 at 1:00 PM, Nathan Sidwell <> wrote:
> On 10/14/16 05:28, Richard Biener wrote:
>> The BB_VISITED flag has indetermined state at the beginning of a pass.
>> You have to ensure it is cleared yourself.
> In that case the openacc (&nvptx?) passes should be modified to clear the
> flags at their start, rather than at their end.

Yes.  But as I said, I ran into IRA ICEs (somewhere in the testsuite) when not
cleaning up after tree-ssa-propagate.c.  So somebody has to fix IRA first.


> nathan

More information about the Gcc-patches mailing list