// RUN: %clang -g -target bpf -S -emit-llvm %s -o - | FileCheck %s//// No debug info is produced for unreferenced functions.// CHECK-NOT: !DISubprogramvoidunref(void);voidunref2(typeof(unref));// No debug info for unused extern variables as well.// CHECK-NOT: !DiGlobalVariableexternint unused;externint unused2[sizeof(unused)];