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[SR-12961] Optimize MemoryLayout.offset(of:) to a constant when possible #55407

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belkadan opened this issue Jun 9, 2020 · 0 comments
Open

[SR-12961] Optimize MemoryLayout.offset(of:) to a constant when possible #55407

belkadan opened this issue Jun 9, 2020 · 0 comments
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compiler The Swift compiler itself improvement

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@belkadan
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belkadan commented Jun 9, 2020

Previous ID SR-12961
Radar None
Original Reporter @belkadan
Type Improvement
Additional Detail from JIRA
Votes 1
Component/s Compiler
Labels Improvement
Assignee None
Priority Medium

md5: 3006f7bef7c508b1ed52b42764cc52c7

Issue Description:

It would be nice™ if calls to MemoryLayout.offset(of:) were replaced by a constant when the key path is known to refer to a stored property (or tuple element) and the layout of the base type is statically known.
@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
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@belkadan