1*ae0d2244SNick Zavaritsky // RUN: %clang -g -target bpf -S -emit-llvm %s -o - | FileCheck %s 2*ae0d2244SNick Zavaritsky // 3*ae0d2244SNick Zavaritsky // When linking BPF object files via bpftool, BTF info is required for 4*ae0d2244SNick Zavaritsky // every symbol. BTF is generated from debug info. Ensure that debug info 5*ae0d2244SNick Zavaritsky // is emitted for extern functions referenced via variable initializers. 6*ae0d2244SNick Zavaritsky // 7*ae0d2244SNick Zavaritsky // CHECK: !DISubprogram(name: "fn" 8*ae0d2244SNick Zavaritsky extern void fn(void); 9*ae0d2244SNick Zavaritsky void (*pfn) (void) = &fn; 10