1 // RUN: %clang_cc1 -analyze -analyzer-checker=core,core.experimental -analyzer-store=basic -verify %s 2 // RUN: %clang_cc1 -analyze -analyzer-checker=core,core.experimental -analyzer-store=region -verify %s 3 4 // Test function pointer casts. Currently we track function addresses using 5 // loc::FunctionVal. Because casts can be arbitrary, do we need to model 6 // functions with regions? 7 typedef void* (*MyFuncTest1)(void); 8 9 MyFuncTest1 test1_aux(void); 10 void test1(void) { 11 void *x; 12 void* (*p)(void); 13 p = ((void*) test1_aux()); 14 if (p != ((void*) 0)) x = (*p)(); 15 } 16 17 // Test casts from void* to function pointers. Same issue as above: 18 // should we eventually model function pointers using regions? 19 void* test2(void *p) { 20 MyFuncTest1 fp = (MyFuncTest1) p; 21 return (*fp)(); 22 } 23