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4 Commits

Author SHA1 Message Date
Zhixun Tan
e42bfec9b6 [mlir][dataflow] Remove the unused AnalysisState::defaultInitialize(). 
Depends On D131660

`defaultInitialize()` was introduced for the "nudging" behavior, which has been deleted.

Reviewed By: Mogball, rriddle

Differential Revision: https://reviews.llvm.org/D131746
 2022-08-15 13:24:08 -04:00
Mogball
ead75d9434 (Reland)[mlir] Add a generic data-flow analysis framework 
Removes one element of the pointer union to make it work on 32-bit
systems.

This patch introduces a generic data-flow analysis framework to MLIR. The framework implements a fixed-point iteration algorithm and a dependency graph between lattice states and analysis. Lattice states and points are fully extensible to support highly-customizable analyses.

Reviewed By: phisiart, rriddle

Differential Revision: https://reviews.llvm.org/D126751
 2022-06-14 21:33:05 +00:00
Frederik Gossen
a6fa12ab3b Revert "[mlir] Add a generic data-flow analysis framework" 
This reverts commit 9dea11728340e54e1fde76320b61a559148c8a3e.
The PointerUnion assumes 3 available bits, which is not the case on 32-bit
machines.
 2022-06-14 17:14:27 -04:00
Mogball
9dea117283 [mlir] Add a generic data-flow analysis framework 
This patch introduces a generic data-flow analysis framework to MLIR. The framework implements a fixed-point iteration algorithm and a dependency graph between lattice states and analysis. Lattice states and points are fully extensible to support highly-customizable analyses.

Reviewed By: phisiart, rriddle

Differential Revision: https://reviews.llvm.org/D126751
 2022-06-14 16:54:15 +00:00