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# d47dd110 27-May-2021 River Riddle <[email protected]>

[mlir] Add support for querying the ModRef behavior from the AliasAnalysis class

This allows for checking if a given operation may modify/reference/or both a given value. Right now this API is limit

[mlir] Add support for querying the ModRef behavior from the AliasAnalysis class

This allows for checking if a given operation may modify/reference/or both a given value. Right now this API is limited to Value based memory locations, but we should expand this to include attribute based values at some point. This is left for future work because the rest of the AliasAnalysis API also has this restriction.

Differential Revision: https://reviews.llvm.org/D101673

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Revision tags: llvmorg-12.0.1-rc1, llvmorg-12.0.0, llvmorg-12.0.0-rc5, llvmorg-12.0.0-rc4, llvmorg-12.0.0-rc3, llvmorg-12.0.0-rc2
# b9c876bd 09-Feb-2021 River Riddle <[email protected]>

[mlir] Add initial support for an alias analysis framework in MLIR

This revision adds a new `AliasAnalysis` class that represents the main alias analysis interface in MLIR. The purpose of this class

[mlir] Add initial support for an alias analysis framework in MLIR

This revision adds a new `AliasAnalysis` class that represents the main alias analysis interface in MLIR. The purpose of this class is not to hold the aliasing logic itself, but to provide an interface into various different alias analysis implementations. As it evolves this should allow for users to plug in specialized alias analysis implementations for their own needs, and have them immediately usable by other analyses and transformations.

This revision also adds an initial simple generic alias, LocalAliasAnalysis, that provides support for performing stateless local alias queries between values. This class is similar in scope to LLVM's BasicAA.

Differential Revision: https://reviews.llvm.org/D92343

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