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[mlir][bufferization] Remove buffer-deallocation pass #126366

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Merged
merged 1 commit into from
Feb 13, 2025
Merged

[mlir][bufferization] Remove buffer-deallocation pass #126366

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705 changes: 0 additions & 705 deletions mlir/docs/BufferDeallocationInternals.md
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4 changes: 1 addition & 3 deletions mlir/docs/OwnershipBasedBufferDeallocation.md
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Original file line number Diff line number Diff line change
Expand Up @@ -5,9 +5,7 @@
One-Shot Bufferize does not deallocate any buffers that it allocates. After
running One-Shot Bufferize, the resulting IR may have a number of `memref.alloc`
ops, but no `memref.dealloc` ops. Buffer dellocation is delegated to the
`-ownership-based-buffer-deallocation` pass. This pass supersedes the now
deprecated `-buffer-deallocation` pass, which does not work well with
One-Shot Bufferize.
`-ownership-based-buffer-deallocation` pass.

On a high level, buffers are "owned" by a basic block. Ownership materializes
as an `i1` SSA value and can be thought of as "responsibility to deallocate". It
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