mirror of
https://gitlab.freedesktop.org/mesa/mesa.git
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read-only mirror of https://gitlab.freedesktop.org/mesa/mesa
f432eb691e
Instead of handling backedges after a physical edge is added that extends
the divergence range, handle it at the beginning of the loop. This
handles the TODO by making sure that we also check for backedges after a
block is added to the worklist at the beginning due to a divergent
branch. For example, this fixes cases where opt_jump optimizes
"if (foo) { break; }" to remove the break block and we have a divergent
branch across the loop backedge.
While we're here, also fix an off-by-one that meant we wouldn't handle
backedges that jumped to the immediate previous block (which is again
possible after opt_jump) or the same block.
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/29409>
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| VERSION | ||
`Mesa <https://mesa3d.org>`_ - The 3D Graphics Library ====================================================== Source ------ This repository lives at https://gitlab.freedesktop.org/mesa/mesa. Other repositories are likely forks, and code found there is not supported. Build & install --------------- You can find more information in our documentation (`docs/install.rst <https://docs.mesa3d.org/install.html>`_), but the recommended way is to use Meson (`docs/meson.rst <https://docs.mesa3d.org/meson.html>`_): .. code-block:: sh $ meson setup build $ ninja -C build/ $ sudo ninja -C build/ install Support ------- Many Mesa devs hang on IRC; if you're not sure which channel is appropriate, you should ask your question on `OFTC's #dri-devel <irc://irc.oftc.net/dri-devel>`_, someone will redirect you if necessary. Remember that not everyone is in the same timezone as you, so it might take a while before someone qualified sees your question. To figure out who you're talking to, or which nick to ping for your question, check out `Who's Who on IRC <https://dri.freedesktop.org/wiki/WhosWho/>`_. The next best option is to ask your question in an email to the mailing lists: `mesa-dev\@lists.freedesktop.org <https://lists.freedesktop.org/mailman/listinfo/mesa-dev>`_ Bug reports ----------- If you think something isn't working properly, please file a bug report (`docs/bugs.rst <https://docs.mesa3d.org/bugs.html>`_). Contributing ------------ Contributions are welcome, and step-by-step instructions can be found in our documentation (`docs/submittingpatches.rst <https://docs.mesa3d.org/submittingpatches.html>`_). Note that Mesa uses gitlab for patches submission, review and discussions.