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Posted to commits@harmony.apache.org by "Mikhail Fursov (JIRA)" <ji...@apache.org> on 2007/08/14 09:33:31 UTC
[jira] Assigned: (HARMONY-3692) [drlvm][jit][opt] Ineffective
simplifier work on some tests in -Xem:opt mode
[ https://issues.apache.org/jira/browse/HARMONY-3692?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Mikhail Fursov reassigned HARMONY-3692:
---------------------------------------
Assignee: Mikhail Fursov
> [drlvm][jit][opt] Ineffective simplifier work on some tests in -Xem:opt mode
> ----------------------------------------------------------------------------
>
> Key: HARMONY-3692
> URL: https://issues.apache.org/jira/browse/HARMONY-3692
> Project: Harmony
> Issue Type: Task
> Components: DRLVM
> Reporter: Mikhail Fursov
> Assignee: Mikhail Fursov
> Priority: Minor
>
> For the first test in HARMONY-3691 run in -Xem:mode simplifier is not able to reduce the test to 'return' inst only.
> It can be caused by 'ssa'-var reassignment in 'phi' inst in a block with 1 entry. This block is the result of branch folding in previous simplification pass.
> This is performance issue and is not critical. However we should tune simplifier to handle this situation or add more ssa/dessa/simplify sequences to HLO path.
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