[all-commits] [llvm/llvm-project] 3cdac0: [HLSL][SPIRV][DXIL] Implement `dot4add_i8packed` i...

[Finn Plummer via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 3cdac0670823e2da58001bc2600d2e74c929ae5b
      https://github.com/llvm/llvm-project/commit/3cdac0670823e2da58001bc2600d2e74c929ae5b
  Author: Finn Plummer <50529406+inbelic at users.noreply.github.com>
  Date:   2024-11-05 (Tue, 05 Nov 2024)

  Changed paths:
    M clang/include/clang/Basic/Builtins.td
    M clang/lib/CodeGen/CGBuiltin.cpp
    M clang/lib/CodeGen/CGHLSLRuntime.h
    M clang/lib/Headers/hlsl/hlsl_intrinsics.h
    A clang/test/CodeGenHLSL/builtins/dot4add_i8packed.hlsl
    A clang/test/SemaHLSL/BuiltIns/dot4add_i8packed-errors.hlsl
    M llvm/docs/SPIRVUsage.rst
    M llvm/include/llvm/IR/IntrinsicsDirectX.td
    M llvm/include/llvm/IR/IntrinsicsSPIRV.td
    M llvm/lib/Target/DirectX/DXIL.td
    M llvm/lib/Target/SPIRV/SPIRVCommandLine.cpp
    M llvm/lib/Target/SPIRV/SPIRVInstrInfo.td
    M llvm/lib/Target/SPIRV/SPIRVInstructionSelector.cpp
    M llvm/lib/Target/SPIRV/SPIRVModuleAnalysis.cpp
    M llvm/lib/Target/SPIRV/SPIRVSubtarget.cpp
    M llvm/lib/Target/SPIRV/SPIRVSymbolicOperands.td
    A llvm/test/CodeGen/DirectX/dot4add_i8packed.ll
    A llvm/test/CodeGen/SPIRV/hlsl-intrinsics/dot4add_i8packed.ll

  Log Message:
  -----------
  [HLSL][SPIRV][DXIL] Implement `dot4add_i8packed` intrinsic (#113623)

- create a clang built-in in Builtins.td
- link dot4add_i8packed in hlsl_intrinsics.h
- add lowering to spirv backend through expansion of operation as OPSDot
is missing up to SPIRV 1.6 in SPIRVInstructionSelector.cpp
- add lowering to spirv backend using OpSDot in applicable SPIRV version
or if SPV_KHR_integer_dot_product is enabled
- add dot4add_i8packed intrinsic to IntrinsicsDirectX.td and mapping to
DXIL.td op Dot4AddI8Packed

- add tests for HLSL intrinsic lowering to dx/spv intrinsic in
dot4add_i8packed.hlsl
- add tests for sema checks in dot4add_i8packed-errors.hlsl
- add test of spir-v lowering in SPIRV/dot4add_i8packed.ll
- add test to dxil lowering in DirectX/dot4add_i8packed.ll
    
 Resolves #99220



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