Add cheddar emitter#2994

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AlexanderViand wants to merge 13 commits into

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AlexanderViand:cheddar-emitter

Commits on Jun 18, 2026

cheddar: dialect support for emitc lowering (DPS decode, TensorOrMemRef messages, inliner interface)
AlexanderViand
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cheddar: accept tensor-or-memref diagonals on linear_transform
AlexanderViand
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cheddar: split Context into Context + BootContext; type eval_poly coefficients
AlexanderViand
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cheddar: allow cheddar types as memref/tensor element types
AlexanderViand
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cheddar-to-emitc: emitc-based CHEDDAR backend emitter + bufferization
AlexanderViand
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cheddar-to-emitc: emit encode scale verbatim (drop GetScale/exact_scale handling)
AlexanderViand
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cheddar-to-emitc: fix array-attr literal emission (braces + float precision) in member_call_opaque; refresh lit test
AlexanderViand
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cheddar-to-emitc: emit LinearTransform/EvalPoly via prelude shims
AlexanderViand
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cheddar-to-emitc: lower boot directly on a BootContext (drop static_cast)
AlexanderViand
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cheddar-to-emitc: add doctest; simplify written-array walk; note tensor_ext strip
AlexanderViand
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cheddar-to-emitc: simplify inout-arg detection with llvm::all_of
AlexanderViand
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cheddar-to-emitc: extract in-place result detection into a named function
AlexanderViand
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tools/heir-translate: register --mlir-to-cpp (EmitC -> C++)
AlexanderViand
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