3 Commits

Author	SHA1	Message	Date
dan sinclair	e6b953361d	Move the ir namespace to opt. (#1680) ... This CL moves the files in opt/ to consistenly be under the opt:: namespace. This frees up the ir:: namespace so it can be used to make a shared ir represenation.	2018-07-09 11:32:29 -04:00
Victor Lomuller	efc5061929	Dominator analysis interface clean. ... Remove the CFG requirement when querying a dominator/post-dominator from an IRContext. Updated all uses of the function and tests.	2018-04-20 15:41:59 -04:00
Alan Baker	2e93e806e4	Initial implementation of if conversion ... * Handles simple cases only * Identifies phis in blocks with two predecessors and attempts to convert the phi to an select * does not perform code motion currently so the converted values must dominate the join point (e.g. can't be defined in the branches) * limited for now to two predecessors, but can be extended to handle more cases * Adding if conversion to -O and -Os	2018-01-25 09:42:00 -08:00