[Bug translator/6644] Impure arguments prevent eliding pure function calls

joshua dot i dot stone at intel dot com sourceware-bugzilla@sourceware.org
Mon Jun 16 05:31:00 GMT 2008


------- Additional Comments From joshua dot i dot stone at intel dot com  2008-06-14 03:22 -------
The example given is trivial, of course, but it can get hairier.  I noticed this
with a few of the system calls.  In particular, syscall.compat_utime calls
ctime(), which wasn't marked pure (though it should be).  Then the argstr
sprintf with a ctime() parameter was not being elided, and so it could not elide
any of the other parameters either.  Thus, even though I was not using any of
the probepoint variables, it had to compute all of them.

-- 


http://sourceware.org/bugzilla/show_bug.cgi?id=6644

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