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Title: Merge the `GET_ITER` and `GET_YIELD_FROM_ITER` instructions · Issue #145667 · python/cpython · GitHub

Open Graph Title: Merge the `GET_ITER` and `GET_YIELD_FROM_ITER` instructions · Issue #145667 · python/cpython

X Title: Merge the `GET_ITER` and `GET_YIELD_FROM_ITER` instructions · Issue #145667 · python/cpython

Description: Merging GET_ITER and GET_YIELD_FROM_ITER will allow optimizations applied to for loops for common types like lists to also be applied to yield from loops and allow better specialization of SEND improving JIT coverage. To merge the two in...

Open Graph Description: Merging GET_ITER and GET_YIELD_FROM_ITER will allow optimizations applied to for loops for common types like lists to also be applied to yield from loops and allow better specialization of SEND imp...

X Description: Merging GET_ITER and GET_YIELD_FROM_ITER will allow optimizations applied to for loops for common types like lists to also be applied to yield from loops and allow better specialization of SEND imp...

Opengraph URL: https://github.com/python/cpython/issues/145667

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Merge the GET_ITER and GET_YIELD_FROM_ITER instructionshttps://github.com/python/cpython/issues/145667#top
3.15pre-release feature fixes, bugs and security fixeshttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%223.15%22
interpreter-core(Objects, Python, Grammar, and Parser dirs)https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22interpreter-core%22
performancePerformance or resource usagehttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22performance%22
topic-JIThttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22topic-JIT%22
https://github.com/markshannon
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on Mar 9, 2026https://github.com/python/cpython/issues/145667#issue-4045197213
#145047https://github.com/python/cpython/issues/145047
GH-145667: Merge GET_ITER and GET_YIELD_FROM_ITER #146120https://github.com/python/cpython/pull/146120
3.15pre-release feature fixes, bugs and security fixeshttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%223.15%22
interpreter-core(Objects, Python, Grammar, and Parser dirs)https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22interpreter-core%22
performancePerformance or resource usagehttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22performance%22
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