llvm-project

65fa57bd - [HLSL][RootSignature] Define and integrate `HLSLRootSignatureAttr` (#134124)

[HLSL][RootSignature] Define and integrate `HLSLRootSignatureAttr` (#134124) - Defines HLSLRootSignature Attr in `Attr.td` - Define and implement handleHLSLRootSignature in `SemaHLSL` - Adds sample test case to show AST Node is generated in `RootSignatures-AST.hlsl` This commit will "hook-up" the seperately defined RootSignature parser and invoke it to create the RootElements, then store them on the ASTContext and finally store the reference to the Elements in RootSignatureAttr Resolves https://github.com/llvm/llvm-project/issues/119011 --------- Co-authored-by: Finn Plummer <finnplummer@microsoft.com>