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From "George Timoshenko (JIRA)" <j...@apache.org>
Subject [jira] Created: (HARMONY-1451) [DRLVM] Bug fixed in the order of HLO paths in Jitrino
Date Wed, 13 Sep 2006 08:37:23 GMT
[DRLVM] Bug fixed in the order of HLO paths in Jitrino
------------------------------------------------------

                 Key: HARMONY-1451
                 URL: http://issues.apache.org/jira/browse/HARMONY-1451
             Project: Harmony
          Issue Type: Bug
          Components: DRLVM
            Reporter: George Timoshenko


UnreachableCodeElimination and DeadCodeElimination passes should go
in the 'DCE,UCE' order, not in the opposite one.
DCE  eliminates some dead code and remove empty nodes.
This activity can produce unreachable nodes (Unreachable means that there is no path
from entry node to the considered one). The ControlFlowGraph with unreachable nodes
is invalid and some HLO passes crashes when working on such kind of CFG.
UCE pass fixes this invalidity by moving unreachable nodes out from the CFG.

The issue depends on HARMONY-1417

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