Question on gimplify.c:create_tmp_var

[Daniel Berlin]

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.