clang/test/CodeGen/debug-info-extern-unused.c

   1 // RUN: %clang_cc1 -x c -debug-info-kind=limited -triple bpf-linux-gnu -emit-llvm %s -o - | FileCheck %s
   2
   3 extern char ch;
   4 int test(void) {
   5   return 0;
   6 }
   7
   8 int test2(void) {
   9   extern char ch2;
  10   return 0;
  11 }
  12
  13 extern int (*foo)(int);
  14 int test3(void) {
  15   return 0;
  16 }
  17
  18 int test4(void) {
  19   extern int (*foo2)(int);
  20   return 0;
  21 }
  22
  23 // CHECK-NOT: distinct !DIGlobalVariable(name: "ch"
  24 // CHECK-NOT: distinct !DIGlobalVariable(name: "ch2"
  25 // CHECK-NOT: distinct !DIGlobalVariable(name: "foo"
  26 // CHECK-NOT: distinct !DIGlobalVariable(name: "foo2"