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Matthias Braun authored
(We have a separate get_input, and get_output callback for now). This should make the code faster for now and is a first step towards changing the interface to query register constraints on the mode_T node itself instead of the Proj nodes. - Handle middleend node constraints and stuff in benode.c instead of in each backend - Remove irn_class_branch we already had is_cfop in the middleend - Fix a bunch of bugs/problems in the process [r26320]
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