AliasAnalysis: fix a bug where an index_addr with zero offset can result in a false no-alias result
#42339
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…esult in a false no-alias result When building a projection path we _must_ ignore zero-indexing projections so that alias analysis recognizes an "alias" between two addresses where one has such an `index_addr 0` instruction and the other doesn't.
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@swift-ci test |
atrick
reviewed
Apr 13, 2022
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When building a projection path we must ignore zero-indexing projections so that alias analysis
recognizes an "alias" between two addresses where one has such an
index_addr 0instruction and the other doesn't.