clang/test/CodeGen/debug-info-extern-basic.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 ch;
   6 }
   7
   8 int test2(void) {
   9   extern char ch2;
  10   return ch2;
  11 }
  12
  13 extern int (*foo)(int);
  14 int test3(void) {
  15   return foo(0);
  16 }
  17
  18 // CHECK: distinct !DIGlobalVariable(name: "ch",{{.*}} type: ![[CHART:[0-9]+]], isLocal: false, isDefinition: false
  19 // CHECK: distinct !DIGlobalVariable(name: "ch2",{{.*}} type: ![[CHART]], isLocal: false, isDefinition: false
  20 // CHECK: ![[CHART]] = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)
  21
  22 // CHECK: distinct !DIGlobalVariable(name: "foo",{{.*}} type: ![[FUNC:[0-9]+]], isLocal: false, isDefinition: false)
  23 // CHECK: ![[FUNC]] = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: ![[SUB:[0-9]+]], size: 64)
  24 // CHECK: ![[SUB]] = !DISubroutineType(types: ![[TYPES:[0-9]+]])
  25 // CHECK: ![[TYPES]] = !{![[BASET:[0-9]+]], ![[BASET]]}
  26 // CHECK: ![[BASET]] = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)