llvm-project/clang/test/CodeGen/staticinit.c

// RUN: clang-cc -triple i386-pc-linux-gnu -emit-llvm -o %t %s &&
// RUN: grep "g.b = internal global i8. getelementptr" %t &&

struct AStruct { 
	int i;
	char *s;
	double d;
};

void f() {
  static int i = 42;
  static int is[] = { 1, 2, 3, 4 };
  static char* str = "forty-two";
  static char* strs[] = { "one", "two", "three", "four" };
  static struct AStruct myStruct = { 1, "two", 3.0 };
}

void g() {
  static char a[10];
  static char *b = a;
}

struct s { void *p; };

void foo(void) {
  static struct s var = {((void*)&((char*)0)[0])};
}

// RUN: grep "f1.l0 = internal global i32 ptrtoint (i32 ()\* @f1 to i32)" %t
int f1(void) { static int l0 = (unsigned) f1; }