> (non-path) it still works on riscv but not on x86 or power.  I haven't tried 
> with a statement yet but can do that of course.

  if (get_range_query (cfun)->range_of_stmt (r, stmt)
      && !r.varying_p ()
      && !r.undefined_p ())

  with stmt = cond_stmt

doesn't work on riscv either.  Let's wait if Andrew has other suggestions
still.  I'll pause on this until then.

-- 
Regards
 Robin

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