Hi, Mesa community,
I am not familiar with S-expression or other forms of lisp languages. I
am working on GLSL IR transformation. for example, i want to change a
variable to a array of same type.
By now , i can find the definition of a variable. How can i update all
uses of this variable in S-expression? I think all uses of this variable
are in the form of ir_dereference_variable. The difficulty is how to
collect d-u chain using hierarchical visitor. I think some optimizer
authors must have the same problem. Could you give me a pass which
solved my problem? so I can take reference.
thanks,
--lx
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