1 // RUN: %clang_cc1 -analyze -analyzer-check-objc-mem -analyzer-store=region -verify %s
15 if (global.data == 0) // When the true branch is feasible 'a = 3'.
20 // Test uninitialized value due to part of the structure being uninitialized.
21 struct TestUninit { int x; int y; };
22 struct TestUninit test_uninit_aux();
23 void test_unit_aux2(int);
24 void test_uninit_pos() {
25 struct TestUninit v1 = { 0, 0 };
26 struct TestUninit v2 = test_uninit_aux();
28 v1.y = z; // expected-warning{{Assigned value is garbage or undefined}}
29 test_unit_aux2(v2.x + v1.y);
31 void test_uninit_pos_2() {
32 struct TestUninit v1 = { 0, 0 };
34 test_unit_aux2(v2.x + v1.y); // expected-warning{{The left operand of '+' is a garbage value}}
36 void test_uninit_pos_3() {
37 struct TestUninit v1 = { 0, 0 };
39 test_unit_aux2(v1.y + v2.x); // expected-warning{{The right operand of '+' is a garbage value}}
42 void test_uninit_neg() {
43 struct TestUninit v1 = { 0, 0 };
44 struct TestUninit v2 = test_uninit_aux();
45 test_unit_aux2(v2.x + v1.y); // no-warning