tests: basic checks for future "move vars" opt
opts: in loop controls, skip over branches if they don't reference our loop induction variable
tests: update output after loop induction change
opts: allow unrolling larger loops
print: do not emit constant initializers for in/out/varying variables
tests: add test with nested loops
tests: rename unity -> zun so they're at end of the list
tests: rename unity -> zun so they're at end of the list
tests: rename complex -> z so they're at end of the list
merge with upstream mesa
fix build after merge
cleanup non needed stuff
cleanup non needed stuff
cleanup non needed stuff
cleanup non needed stuff
cleanup non needed stuff
cleanup non needed stuff
cleanup non needed stuff
cleanup, get rid of glext.h by just bringing in the needed constants
cleanup, get rid of gl.h by just bringing in the needed stuff into glminimal.h