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[PATCH 0/3] IPA-SRA (merge from pretty-ipa)


Hi,

this is another resubmission of IPA-SRA.  I have incorporated the
feedback about dereference legality check which now uses only one
array and propagates information upwards towards ENTRY.  After the VTA
merge, ptr_parm_has_direct_uses needs to ignore debug statements and
modify_function must be able to reset them when they contain values
that no longer make sense.

Bootstrapped and tested on x86_64-linux (and a slightly older version
on i586-linux too).

Thanks,

Martin


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