This is the second patch to add support for the `SPV_ARM_graph` SPIR-V
extension to MLIR’s SPIR-V dialect. The extension introduces a new
`Graph` abstraction for expressing dataflow computations over full
resources.
The part 2 implementation includes:
- Serialization and deserialization support for:
- `OpGraphARM`, `OpGraphInputARM`, `OpGraphSetOutputARM`,
`OpGraphEndARM`
- `OpGraphEntryPointARM`, `OpGraphConstantARM`, `OpTypeGraphARM`
- Tests covering binary round-tripping.
Graphs currently support only `SPV_ARM_tensors`, but are designed to
generalize to other resource types, such as images.
Spec: https://github.com/KhronosGroup/SPIRV-Registry/pull/346
RFC:
https://discourse.llvm.org/t/rfc-add-support-for-spv-arm-graph-extension-in-mlir-spir-v-dialect/86947
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Signed-off-by: Davide Grohmann <davide.grohmann@arm.com>
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