[all-commits] [llvm/llvm-project] 94b15a: [mlir][spirv] Add basic support for SPV_EXT_replic...

[Mohammadreza Ameri Mahabadian via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 94b15a1ece37963c9804fc7f0c498d140ea5fd9d
      https://github.com/llvm/llvm-project/commit/94b15a1ece37963c9804fc7f0c498d140ea5fd9d
  Author: Mohammadreza Ameri Mahabadian <mohammadreza.amerimahabadian at arm.com>
  Date:   2025-07-15 (Tue, 15 Jul 2025)

  Changed paths:
    M mlir/include/mlir/Dialect/SPIRV/IR/SPIRVBase.td
    M mlir/include/mlir/Dialect/SPIRV/IR/SPIRVStructureOps.td
    M mlir/lib/Dialect/SPIRV/IR/SPIRVOps.cpp
    M mlir/lib/Target/SPIRV/Deserialization/DeserializeOps.cpp
    M mlir/lib/Target/SPIRV/Deserialization/Deserializer.cpp
    M mlir/lib/Target/SPIRV/Deserialization/Deserializer.h
    M mlir/lib/Target/SPIRV/Serialization/SerializeOps.cpp
    M mlir/lib/Target/SPIRV/Serialization/Serializer.cpp
    M mlir/lib/Target/SPIRV/Serialization/Serializer.h
    M mlir/test/Dialect/SPIRV/IR/availability.mlir
    M mlir/test/Dialect/SPIRV/IR/structure-ops.mlir
    M mlir/test/Target/SPIRV/constant.mlir
    M mlir/test/Target/SPIRV/spec-constant.mlir

  Log Message:
  -----------
  [mlir][spirv] Add basic support for SPV_EXT_replicated_composites (#147067)

This patch introduces two new ops to the SPIR-V dialect:
- `spirv.EXT.ConstantCompositeReplicate`
- `spirv.EXT.SpecConstantCompositeReplicate`

These ops represent composite constants and specialization constants,
respectively, constructed by replicating a single splat constant across
all elements. They correspond to `SPV_EXT_replicated_composites`
extension instructions:
- `OpConstantCompositeReplicatedEXT`
- `OpSpecConstantCompositeReplicatedEXT`

No transformation to these new ops has been introduced in this patch.

This approach is chosen as per the discussions on RFC
https://discourse.llvm.org/t/rfc-basic-support-for-spv-ext-replicated-composites-in-mlir-spir-v-compile-time-constant-lowering-only/86987

---------

Signed-off-by: Mohammadreza Ameri Mahabadian <mohammadreza.amerimahabadian at arm.com>



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