[jira] Commented: (HARMONY-5629) [drlvm][jit][opt] Liveness analysis for high-level IR

["Egor Pasko (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HARMONY-5629?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12581398#action_12581398 ] 

Egor Pasko commented on HARMONY-5629:
-------------------------------------

why do we need a liveness analyzer?

> [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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