d153ef6a34
This PR adds initial support for "SPV_INTEL_function_pointers" SPIR-V extension: https://github.com/intel/llvm/blob/sycl/sycl/doc/design/spirv-extensions/SPV_INTEL_function_pointers.asciidoc The goal of the extension is to support indirect function calls and translation of function pointers into SPIR-V.