CBuffers

[bogner]

• Design target("dx.CBuffer", ...) type #50
• [HLSL] cbuffer: Create host layout structs llvm-project#122553
• [HLSL] Introduce a new address space for constant buffer declarations llvm-project#123406
• [HLSL] Translate cbuffer {...} declarations to target type dx.CBuffer llvm-project#113514
  • [HLSL] [HLSL] Translate cbuffer {...} declarations to target type dx.CBuffer for simple cases with no arrays or embedded structs llvm-project#118531
• [HLSL] Create HLSLConstantAccess pass to translate hlsl_constant loads llvm-project#124630
• [HLSL] Implement default constant buffer $Globals llvm-project#123801
• [HLSL] Support packoffset attribute for cbuffer llvm-project#57914
• [DirectX] Add dx.CBuffer handling to DXILResourceAccess pass llvm-project#122792
• [DirectX] Introduce llvm.dx.resource.load.cbuffer intrinsic and lower it to cbufferLoadLegacy dxil op llvm-project#112992
• Document constant buffers in the language spec microsoft/hlsl-specs#357

[damyanp]

Need to ensure we have issues filed for all of these items.