LICM: handle memory dependency for store sinking correctly #81189
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Prevent sinking of stores if there are instructions other than `load` which may read from memory. This kind of memory dependencies were ignored. Fixes SIL verifier crashes or - in worst case - miscompiles. rdar://150205299
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@swift-ci test |
tbkka
approved these changes
Apr 30, 2025
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load) in the same loop. This could result in SIL verifier crashes or - even worse - in mis-compiles. This fix disables store-sinking in such cases.