Change Details

- Use llvm releases of libclc - Force llvm12 as it is what's used for mesa/clover Moving to libclc from llvm12 needs llvm-spirv so for now just update to latest llvm11 sources.

- Use llvm releases of libclc - Force llvm12 as it is what's used for mesa/clover - Use the llvm12 flavor of spirv-llvm-translator

- Use llvm releases of libclc - Force llvm12 as it is what's used for mesa/clover Moving to libclc from- Use the llvm12 needs llvm-flavor of spirv so for now just update-llvm-translator to latest llvm11 sources.