Change `getValueAsListOfDefs` to return a vector of const Record pointer, and remove `getValueAsListOfConstDefs` that was added as a transition aid. This is a part of effort to have better const correctness in TableGen backends: https://discourse.llvm.org/t/psa-planned-changes-to-tablegen-getallderiveddefinitions-api-potential-downstream-breakages/81089
The LLVM libc header generation system
LLVM libc uses a header generation scheme to generate public as well as internal header files. This directory contains the implementation of the header generator which drives this header generation scheme.