clang/test/CodeGen/bpf-debug-info-extern-func.c

   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;