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Dose gcc provide any function to build def-use chain in RTL form
- From: villa gogh <jky239 at gmail dot com>
- To: gcc at gcc dot gnu dot org
- Date: Mon, 16 Mar 2009 22:01:27 +0800
- Subject: Dose gcc provide any function to build def-use chain in RTL form
hi
now i'm trying to construct def-use chain after the PASS_LEAF_REGS.
for the ssa form structure has been destoried during the former
passes.
I have found that gcc provides a way to build the def-use chain in the
PASS_REGRENAME, but it only contains the defs and uses all in one
basic block.
so if I want to get the global def-use data of the whole function,
need i to construct it myself ?
Does gcc provide any function to build the def-use chain in RTL form?
thank you