llvm-project

b499f7f2 - [HLSL][RootSignature] Add parsing for empty RootDescriptors (#140147)

[HLSL][RootSignature] Add parsing for empty RootDescriptors (#140147) - define the RootDescriptor in-memory struct containing its type - add test harness for testing First part of https://github.com/llvm/llvm-project/issues/126577