misc-ps-region-store.cpp revision 61dfbecd8e6181b2ba42ffb5feede27a2bab3b8a
1// RUN: %clang_cc1 -triple i386-apple-darwin9 -analyze -analyzer-experimental-internal-checks -checker-cfref -analyzer-store=region -verify -fblocks -analyzer-opt-analyze-nested-blocks %s
2// RUN: %clang_cc1 -triple x86_64-apple-darwin9 -analyze -analyzer-experimental-internal-checks -checker-cfref -analyzer-store=region -verify -fblocks   -analyzer-opt-analyze-nested-blocks %s
3
4// Test basic handling of references.
5char &test1_aux();
6char *test1() {
7  return &test1_aux();
8}
9
10// Test test1_aux() evaluates to char &.
11char test1_as_rvalue() {
12  return test1_aux();
13}
14
15// Test passing a value as a reference.  The 'const' in test2_aux() adds
16// an ImplicitCastExpr, which is evaluated as an lvalue.
17int test2_aux(const int &n);
18int test2(int n) {
19  return test2_aux(n);
20}
21
22int test2_b_aux(const short &n);
23int test2_b(int n) {
24  return test2_b_aux(n);
25}
26
27// Test getting the lvalue of a derived and converting it to a base.  This
28// previously crashed.
29class Test3_Base {};
30class Test3_Derived : public Test3_Base {};
31
32int test3_aux(Test3_Base &x);
33int test3(Test3_Derived x) {
34  return test3_aux(x);
35}
36
37int test_init_in_condition_aux();
38int test_init_in_condition() {
39  if (int x = test_init_in_condition_aux()) { // no-warning
40    return 1;
41  }
42  return 0;
43}
44