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From "Pavel Ozhdikhin (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-5629) [drlvm][jit][opt] Liveness analysis for high-level IR
Date Tue, 01 Apr 2008 09:14:30 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-5629?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12584074#action_12584074
] 

Pavel Ozhdikhin commented on HARMONY-5629:
------------------------------------------

There are no other dependencies. Those who want to validate HIR in custom translator may use
the patch. But I'd appreciate if you commit it - in this case using this validation pass will
be as easy as adding a word to the emconf file.

Egor, feel free to add comments into the patch if you think it's reasonable. ;-)


> [drlvm][jit][opt] Liveness analysis for high-level IR
> -----------------------------------------------------
>
>                 Key: HARMONY-5629
>                 URL: https://issues.apache.org/jira/browse/HARMONY-5629
>             Project: Harmony
>          Issue Type: New Feature
>          Components: DRLVM
>         Environment: Any
>            Reporter: Pavel Ozhdikhin
>            Priority: Minor
>         Attachments: hir_liveness.patch
>
>
> Liveness analyzer for HIR. Validates liveness, dumps liveness info into the dot file.
> Works on the non-SSA representation. Don't use after translator in inliner session -
it will break because of method parameter copying in inliner.
> Add "liveness" pass in the optimizer pipeline after translator. tested on a few test
cases and passed "ant test" on Win32/debug build with liveness check after translator.

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