I had a look at the file ipa-pure-const.c. I have wriiten a Simple IPA
Pass which identifies pure and const functions in the program. I have
inserted this pass after ipa-pta pass which is executed after
ipa-pure-const pass. Also, the option -fipa-pure-const is enabled.
I am using DECL_PURE_P(t) and
On Fri, May 29, 2015 at 01:16:32PM +0530, Pritam Gharat wrote:
> How do we identify whether a function is a pure or a const function?
> Is there any flag associated with its cgraph_node or the tree node
> (decl of cgraph_node)?
You'll want to look into ipa-pure-const.c.
Marek