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From "George Timoshenko (JIRA)" <j...@apache.org>
Subject [jira] Created: (HARMONY-2496) [drlvm][jit][opt] HLO passes should care themselves about CFG validity
Date Wed, 06 Dec 2006 13:45:21 GMT
[drlvm][jit][opt] HLO passes should care themselves about CFG validity
----------------------------------------------------------------------

                 Key: HARMONY-2496
                 URL: http://issues.apache.org/jira/browse/HARMONY-2496
             Project: Harmony
          Issue Type: Sub-task
          Components: DRLVM
            Reporter: George Timoshenko
            Priority: Minor


This is a placeholder for redisign issue mentioned by Alaxey Varlamov in HARMONY-2210

HLO optimizatioon passes should track their modifications of CFG and should ivalidates CFG
as there were any CFG modification.

If some pass does not support CFG with unreachable, empty nodes, or nodes with a dead code
it should run
    cfg->purgeUnreachableNodes
    cfg->purgeEmptyNodes
    ....
itself

'uce', 'purge' and probably some other passes should be removed from em-conf files at all.

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