[PATCH] D127990: [DirectX] add thread/group id DXIL operations.

[Xiang Li via Phabricator via llvm-commits]

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Add DXIL operation for thread/group id operations.

ID  Name	                     Description
93  ThreadId	                 reads the thread ID
94  GroupId	                  reads the group ID (SV_GroupID)
95  ThreadIdInGroup	          reads the thread ID within the group (SV_GroupThreadID)
96  FlattenedThreadIdInGroup	 provides a flattened index for a given thread within a given group (SV_GroupIndex)

Also add llvm intrinsic which map to these intrinsics to DXIL operation.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D127990

Files:
  llvm/include/llvm/IR/CMakeLists.txt
  llvm/include/llvm/IR/Intrinsics.td
  llvm/include/llvm/IR/IntrinsicsDXIL.td
  llvm/lib/Target/DirectX/DXIL.td
  llvm/lib/Target/DirectX/DXILOpLowering.cpp
  llvm/test/CodeGen/DirectX/comput_ids.ll

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