Add hlo_convolution() op#161
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Implements the StableHLO convolution operation per spec (https://openxla.org/stablehlo/spec#convolution): generic N-D windowed convolution with strides, padding, lhs/rhs dilations, window reversal, feature/batch grouping, and a precision_config. Layout is described via a `ConvDimensionNumbers` struct that renders to MLIR's `#stablehlo.conv<...x...->...>` syntax. Spec constraints C1–C27 are checked in `infer_types_convolution()`, each annotated with its constraint id. Quantized-tensor constraints (C28–C34) are skipped because the package does not yet model quantized types. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Implements the StableHLO convolution operation per spec (https://openxla.org/stablehlo/spec#convolution): generic N-D windowed convolution with strides, padding, lhs/rhs dilations, window reversal, feature/batch grouping, and a precision_config. Layout is described via a
ConvDimensionNumbersstruct that renders to MLIR's#stablehlo.conv<...x...->...>syntax.Spec constraints C1–C27 are checked in
infer_types_convolution(), each annotated with its constraint id. Quantized-tensor constraints (C28–C34) are skipped because the package does not yet model quantized types.