1 // RUN: %clang -g -target bpf -S -emit-llvm %s -o - | FileCheck %s 2 // 3 // When linking BPF object files via bpftool, BTF info is required for 4 // every symbol. BTF is generated from debug info. Ensure that debug info 5 // is emitted for extern functions referenced via variable initializers. 6 // 7 // CHECK: !DISubprogram(name: "fn" 8 extern void fn(void); 9 void (*pfn) (void) = &fn; 10