llvm-project

c21e2a5e - [DirectX] Moving Root Signature Metadata Parsing in to Shared Root Signature Metadata lib (#149221)

[DirectX] Moving Root Signature Metadata Parsing in to Shared Root Signature Metadata lib (#149221) This PR, moves the existing Root Signature Metadata Parsing logic used in `DXILRootSignature` to the common library used by both frontend and backend. Closes: [#145942](https://github.com/llvm/llvm-project/issues/145942) --------- Co-authored-by: joaosaffran <joao.saffran@microsoft.com>