[clang] [HLSL] Allow input semantics on structs (PR #159047)

[Nathan Gauër via cfe-commits]

Keenuts wrote:

> EDIT: I was looking at the ast-dump, which was showing an attribute without any parameters. Looking closer, I saw that you add the decl to the attribute. That creates an obvious link. We just need to make sure the ast-dump reflects that.

Modified the code so ast-dump shows this correctly. We already have some AST checks but expanded them to check the newly generated attributes on the entrypoint



https://github.com/llvm/llvm-project/pull/159047