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Created on 2019-09-12 11:19 by Mark.Shannon, last changed 2022-04-11 14:59 by admin. This issue is now closed.
| Pull Requests | |||
|---|---|---|---|
| URL | Status | Linked | Edit |
| PR 16042 | merged | Mark.Shannon, 2019-09-12 12:53 | |
| PR 16050 | merged | twouters, 2019-09-12 13:47 | |
| Messages (3) | |||
|---|---|---|---|
| msg352114 - (view) | Author: Mark Shannon (Mark.Shannon) *  |
Date: 2019-09-12 11:19 | |
Consider a flow graph of four nodes, A, B, C, D where the A, B, C are "next" successors of each other (in order) and C branches to B and B branches to D. Note that there is no "next" link to the D block. The correct order is A, B, C, D but the 'dfs' function in compile.c produces the order A, B, D, C. This is not an issue with the current compiler as it always add the "next" link from C to D, but this will become an issue when we use a more powerful CFG based optimizer than the current "peephole" optimizer. |
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| msg352169 - (view) | Author: Gregory P. Smith (gregory.p.smith) * |
Date: 2019-09-12 14:05 | |
New changeset 99b54d68172ad64ba3d0fdc0137f0df88c28ea2b by Gregory P. Smith (T. Wouters) in branch 'master': Revert "Fix depth-first-search computation in compile.c (GH-16042)" (GH-16050) https://github.com/python/cpython/commit/99b54d68172ad64ba3d0fdc0137f0df88c28ea2b |
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| msg392905 - (view) | Author: Mark Shannon (Mark.Shannon) * |
Date: 2021-05-04 14:44 | |
This seems to have been fixed sometime. |
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| History | |||
|---|---|---|---|
| Date | User | Action | Args |
| 2022-04-11 14:59:20 | admin | set | github: 82316 |
| 2021-05-04 14:44:34 | Mark.Shannon | set | status: open -> closed resolution: fixed messages: + msg392905 stage: patch review -> resolved |
| 2019-09-12 14:05:36 | gregory.p.smith | set | nosy:
+ gregory.p.smith messages: + msg352169 |
| 2019-09-12 13:47:00 | twouters | set | pull_requests: + pull_request15672 |
| 2019-09-12 12:53:19 | Mark.Shannon | set | keywords:
+ patch stage: patch review pull_requests: + pull_request15664 |
| 2019-09-12 11:20:11 | Mark.Shannon | set | nosy:
+ pablogsal |
| 2019-09-12 11:19:40 | Mark.Shannon | create | |