[all-commits] [llvm/llvm-project] 864a83: [SPIR-V] Add support for inline SPIR-V types (#125...

[Cassandra Beckley via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 864a83deb0b613a2e957b6c106a4412b54949131
      https://github.com/llvm/llvm-project/commit/864a83deb0b613a2e957b6c106a4412b54949131
  Author: Cassandra Beckley <cbeckley at google.com>
  Date:   2025-03-20 (Thu, 20 Mar 2025)

  Changed paths:
    M llvm/docs/SPIRVUsage.rst
    M llvm/lib/IR/Type.cpp
    M llvm/lib/Target/SPIRV/MCTargetDesc/SPIRVInstPrinter.cpp
    M llvm/lib/Target/SPIRV/MCTargetDesc/SPIRVInstPrinter.h
    M llvm/lib/Target/SPIRV/MCTargetDesc/SPIRVMCCodeEmitter.cpp
    M llvm/lib/Target/SPIRV/SPIRVBuiltins.cpp
    M llvm/lib/Target/SPIRV/SPIRVGlobalRegistry.cpp
    M llvm/lib/Target/SPIRV/SPIRVGlobalRegistry.h
    M llvm/lib/Target/SPIRV/SPIRVInstrFormats.td
    M llvm/lib/Target/SPIRV/SPIRVInstrInfo.td
    M llvm/lib/Target/SPIRV/SPIRVInstructionSelector.cpp
    A llvm/test/CodeGen/SPIRV/inline/type.coop-matrix.ll
    A llvm/test/CodeGen/SPIRV/inline/type.ll

  Log Message:
  -----------
  [SPIR-V] Add support for inline SPIR-V types (#125316)

Using HLSL's [Inline
SPIR-V](https://microsoft.github.io/hlsl-specs/proposals/0011-inline-spirv.html)
features, users have the ability to use
[`SpirvType`](https://microsoft.github.io/hlsl-specs/proposals/0011-inline-spirv.html#types)
to have fine-grained control over the SPIR-V representation of a type.
As explained in the spec, this is useful because it enables vendors to
author headers with types for their own extensions.

As discussed in [Target Extension Types for Inline SPIR-V and Decorated
Types](https://github.com/llvm/wg-hlsl/pull/105), we would like to
represent the HLSL SpirvType type using a 'spirv.Type' target extension
type in LLVM IR. This pull request lowers that type to SPIR-V.



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