This repository has been archived as of January 2024, after changing the default branch from master to main following Khronos conventions. It contains tools for the original SPIR, which is now obsolete. Please refer to the https://github.com/KhronosGroup/SPIRV-Tools repository which contains tools for the current SPIR-V.
Follow this link for the list of SPIR 1.2 Builtins: https://github.com/KhronosGroup/SPIR-Tools/wiki/SPIR-1.2-built-in-functions
Follow this link for the list of SPIR 2.0 Builtins: https://github.com/KhronosGroup/SPIR-Tools/wiki/SPIR-2.0-built-in-functions