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[PATCH 0/4] if-conversion of loops with conditionals containing memory writes


Hi,

following Michael's review, this patch-set reworks the previous
patches in order to speed up the computation of non-trapping property
of data reference accesses in the statements to be if-converted.

1/4 is identical to the previously submitted patch.
2/4 is a trivial clean up.
3/4 simplifies the control flow in the previously submitted patch and
    now calls the function outlined in 2/4 to OR predicates.
4/4 is the speeding up part that Michael proposed.

This patch-set passed regstrap on amd64-linux.  Ok for trunk?

Thanks,
Sebastian Pop
--
AMD / Open Source Compiler Engineering / GNU Tools


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