Swift Optimizer: add AccessUtils
#60512
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added 5 commits
August 11, 2022 10:16
- This protocol with its default implementations simplifies writing walkers, requiring only `merge` for conformance
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This set of utilities introduce concepts such as `AccessBase`, `AccessPath` and `AccessStoragePath` useful to analyze memory accesses.
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This pr adds a set of utilities and concepts (
AccessBase,AccessPathandAccessStoragePath) to identify and analyze formal accesses in SIL.This allows passes to reason about memory accesses relying solely on these concepts without having to implement ad-hoc traversals. This is similar in spirit to what is presentated SILMemoryAccess.md and MemAccessUtils.