[all-commits] [llvm/llvm-project] 7a7611: [HLSL][SPIR-V] implement SV_GroupID semantic lower...

[Zhengxing li via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 7a761100960c0c9e2b2fa8a9ee233b137270bd73
      https://github.com/llvm/llvm-project/commit/7a761100960c0c9e2b2fa8a9ee233b137270bd73
  Author: Zhengxing li <zhengxingli at microsoft.com>
  Date:   2025-01-04 (Sat, 04 Jan 2025)

  Changed paths:
    M clang/lib/CodeGen/CGHLSLRuntime.cpp
    M clang/lib/CodeGen/CGHLSLRuntime.h
    M clang/test/CodeGenHLSL/semantics/SV_GroupID.hlsl
    M llvm/include/llvm/IR/IntrinsicsSPIRV.td
    M llvm/lib/Target/SPIRV/SPIRVInstructionSelector.cpp
    A llvm/test/CodeGen/SPIRV/hlsl-intrinsics/SV_GroupID.ll

  Log Message:
  -----------
  [HLSL][SPIR-V] implement SV_GroupID semantic lowering (#121521)

The HLSL SV_GroupID semantic attribute is lowered into
@llvm.spv.group.id intrinsic in LLVM IR for SPIR-V target.

In the SPIR-V backend, this is now translated to a `WorkgroupId` builtin
variable.

Fixes #118700 which's a follow-up work to #70120



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