runtime/libprofile/libprofile.exports

   1 llvm_start_edge_profiling
   2 llvm_start_opt_edge_profiling
   3 llvm_start_path_profiling
   4 llvm_start_basic_block_tracing
   5 llvm_trace_basic_block
   6 llvm_increment_path_count
   7 llvm_decrement_path_count
   8 llvm_prof_linectr_start_file
   9 llvm_prof_linectr_emit_counter
  10 llvm_prof_linectr_end_file