branch scratch/comp-branch-optim created (now ae65a6c48fa)

[Andrea Corallo]

akrl pushed a change to branch scratch/comp-branch-optim.

        at  ae65a6c48fa Fix comp--type-branch-optim-block it using 
comp-cstr-type-p

This branch includes the following new commits:

       new  526c201552d Split comp--ssa code
       new  f976a34fd3e Add comp-type-branch-optim pass
       new  ec7c1cc6963 Generalize comp-cstr-symbol-p
       new  ae65a6c48fa Fix comp--type-branch-optim-block it using 
comp-cstr-type-p