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30 lines
1.0 KiB
Markdown
30 lines
1.0 KiB
Markdown
# mlir-rewrite
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Tool to simplify rewriting .mlir files. There are a couple of build in rewrites
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discussed below along with usage.
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Note: This is still in very early stage. Its so early its less a tool than a
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growing collection of useful functions: to use its best to do what's needed on
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a brance by just hacking it (dialects registered, rewrites etc) to say help
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ease a rename, upstream useful utility functions, point to ease others
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migrating, and then bin eventually. Once there are actually useful parts it
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should be refactored same as mlir-opt.
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[TOC]
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## simple-rename
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Rename per op given a substring to a target. The match and replace uses LLVM's
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regex sub for the match and replace while the op-name is matched via regular
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string comparison. E.g.,
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```
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mlir-rewrite input.mlir -o output.mlir --simple-rename \
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--simple-rename-op-name="test.concat" --simple-rename-match="axis" \
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--simple-rename-replace="bxis"
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```
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to replace `axis` substring in the text of the range corresponding to
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`test.concat` ops with `bxis`.
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