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What specifically does not work with roundtripping? Is it the parser? |
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@ftynse yes, we can't use the standard LLVM type parser to support named structs. It relies on the fact that the struct types have already been printed/parsed and elides the body. To support these we will likely need to re-implement the parser in MLIR that supports inline parsing/printing. |
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To echo River's response, yes, the problem is with the parser. |
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Add constructors for LLVM identified struct types. This is to support recursive type references. The interface follows that found in LLVM:;StructType's public interface with create and setBody functions.
The test for this is commented out because roundtripping does not work. However, using the interface does generate the expected LLVM code.