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* Move optimization pass prototypes to a single header.Eric Anholt2010-05-051-1/+1
* ir_copy_propagation: Fix up the doxygen about the file.Eric Anholt2010-05-051-2/+7
* ir_copy_propagation: Return true if we optimized out any assignments.Eric Anholt2010-05-051-5/+10
* ir_copy_propagation: Handle swizzles and array derefs on LHS of assign.Eric Anholt2010-05-051-14/+25
* ir_copy_propagation: New pass to rewrite dereferences to avoid copies.Eric Anholt2010-05-041-0/+313