[jira] Resolved: (HARMONY-1451) [DRLVM] Bug fixed in the order of HLO paths in Jitrino

["Geir Magnusson Jr (JIRA)" <ji...@apache.org>]

     [ http://issues.apache.org/jira/browse/HARMONY-1451?page=all ]

Geir Magnusson Jr resolved HARMONY-1451.
----------------------------------------

    Resolution: Fixed

r453426

Ubuntu 5, smoke, c-unit, ~kernel and test from 1417

> [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
>         Assigned To: Geir Magnusson Jr
>         Attachments: HARMONY-1451.patch
>
>
> 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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