Aravinda <aravindakidambi@xxxxxxxxx> writes: > I am interested in writing a new gimple pass using gcc plugins. Since > Im new to gcc development, can someone please tell me the usage of the > three property bitmaps present in the opt_pass struct ? > (properties_required, properties_provided, properties_destroyed). i.e > How will I know what should be these properties if I want to write a > new Gimple optimization pass ? Those bitmaps are combinations of the TODO_xxx bits defined in tree-pass.h. Read the comments there, and see the many examples of use in the gcc source code. Ian
