fn save_function_record(
    cx: &CodegenCx<'_, '_>,
    covfun_section_name: &str,
    mangled_function_name: &str,
    source_hash: u64,
    filenames_ref: u64,
    coverage_mapping_buffer: Vec<u8>,
    is_used: bool,
)
Expand description

Construct a function record and combine it with the function’s coverage mapping data. Save the function record into the LLVM IR as a static global using a specific, well-known section and name.