clang/test/Analysis/func-mapping-test.cpp

   1 // RUN: %clang_extdef_map %s -- | FileCheck --implicit-check-not "c:@y" --implicit-check-not "c:@z" %s
   2 // RUN: %clang -emit-ast %s -o %t.ast
   3 // RUN: %clang_extdef_map %t.ast -- | FileCheck --implicit-check-not "c:@y" --implicit-check-not "c:@z" %s
   4
   5 int f(int) {
   6   return 0;
   7 }
   8 // CHECK-DAG: 9:c:@F@f#I#
   9
  10 extern const int x = 5;
  11 // CHECK-DAG: 4:c:@x
  12
  13 // Non-const variables should not be collected.
  14 int y = 5;
  15
  16 // In C++, const implies internal linkage, so not collected.
  17 const int z = 5;
  18
  19 struct S {
  20   int a;
  21 };
  22 extern S const s = {.a = 2};
  23 // CHECK-DAG: 4:c:@s
  24
  25 struct SF {
  26   const int a;
  27 };
  28 extern const SF sf = {.a = 2};
  29 // CHECK-DAG: 5:c:@sf
  30
  31 struct SStatic {
  32   static const int a = 4;
  33 };
  34 const int SStatic::a;
  35 // CHECK-DAG: 14:c:@S@SStatic@a
  36
  37 extern int const arr[5] = { 0, 1 };
  38 // CHECK-DAG: 6:c:@arr
  39
  40 union U {
  41   const int a;
  42   const unsigned int b;
  43 };
  44 extern const U u = {.a = 6};
  45 // CHECK-DAG: 4:c:@u
  46
  47 // No USR can be generated for this.
  48 // Check for no crash in this case.
  49 static union {
  50   float uf;
  51   const int ui;
  52 };
  53
  54 void f(int (*)(char));
  55 void f(bool (*)(char));
  56
  57 struct G {
  58   G() {
  59     f([](char) -> int { return 42; });
  60     // CHECK-DAG: 41:c:@S@G@F@G#@Sa@F@operator int (*)(char)#1
  61     f([](char) -> bool { return true; });
  62     // CHECK-DAG: 42:c:@S@G@F@G#@Sa@F@operator bool (*)(char)#1
  63   }
  64 };