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Re: Question on gimplify.c:create_tmp_var



On Jun 6, 2004, at 7:43 PM, Richard Kenner wrote:


    Hah!  Every time you drastically change what is valid gimple,
    you have to change all of the optimizers.

Certainly true for scalars, but is that true for what's within a
chain of references?

Of course.


Which of the optimizers look inside a chain of _REF nodes?

SRA, CCP, PRE, DOM.
At a quick count.
I didn't check what they did with looking inside the chain, only that they did look inside the chains.



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