[llvm] [SPIRV] Add type inference of function parameters by call instances (PR #85077)

[Michal Paszkowski via llvm-commits]

https://github.com/michalpaszkowski approved this pull request.

Thank you for the patch! LGTM! No regressions in OpenCL CTS. Two new tests pass SPIR-V validation: basic/progvar_prog_scope_misc, basic/vstore_private.

https://github.com/llvm/llvm-project/pull/85077