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[SR-9801] SILOptimizer: consider @in_guaranteed parameters as read-only for alias analysis #52225

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eeckstein opened this issue Jan 29, 2019 · 0 comments
Open

[SR-9801] SILOptimizer: consider @in_guaranteed parameters as read-only for alias analysis #52225

eeckstein opened this issue Jan 29, 2019 · 0 comments
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@eeckstein
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself

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Previous ID SR-9801
Radar None
Original Reporter @eeckstein
Type Bug
Additional Detail from JIRA
Votes 0
Component/s Compiler
Labels Bug
Assignee @eeckstein
Priority Medium

md5: 336a75455023a5b3b4ac9dd7c9a332be

Issue Description:

We can assume that an @in_guaranteed parameter is not modified during the execution of the function.

This check can be added in AliasAnalysis::computeMemoryBehaviorInner
@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
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@eeckstein eeckstein

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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself
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@eeckstein