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Perform "peephole" optimization directly on control-flow graph. #85495

@markshannon

Description

@markshannon
BPO 41323
Nosy @tim-one, @rhettinger, @vstinner, @methane, @markshannon
PRs
  • bpo-41323: Perform 'peephole' optimizations directly on the CFG. #21517
  • bpo-41323: compiler: Reuse tuple in constant tuple folding #25419
  • Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.

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    GitHub fields:

    assignee = 'https://github.com/markshannon'
    closed_at = <Date 2020-07-30.09:04:04.543>
    created_at = <Date 2020-07-17.10:27:02.814>
    labels = ['performance']
    title = 'Perform "peephole" optimization directly on control-flow graph.'
    updated_at = <Date 2021-04-16.05:01:32.524>
    user = 'https://github.com/markshannon'

    bugs.python.org fields:

    activity = <Date 2021-04-16.05:01:32.524>
    actor = 'methane'
    assignee = 'Mark.Shannon'
    closed = True
    closed_date = <Date 2020-07-30.09:04:04.543>
    closer = 'Mark.Shannon'
    components = []
    creation = <Date 2020-07-17.10:27:02.814>
    creator = 'Mark.Shannon'
    dependencies = []
    files = []
    hgrepos = []
    issue_num = 41323
    keywords = ['patch']
    message_count = 4.0
    messages = ['373811', '373848', '374606', '391165']
    nosy_count = 5.0
    nosy_names = ['tim.peters', 'rhettinger', 'vstinner', 'methane', 'Mark.Shannon']
    pr_nums = ['21517', '25419']
    priority = 'normal'
    resolution = 'fixed'
    stage = 'resolved'
    status = 'closed'
    superseder = None
    type = 'performance'
    url = 'https://bugs.python.org/issue41323'
    versions = []

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