1 // RUN: %clang_analyze_cc1 \
2 // RUN:  -analyzer-checker=debug.ExprInspection \
3 // RUN:  -verify %s 2>&1 | FileCheck %s
4 
5 // Self-tests for the debug.ExprInspection checker.
6 
7 void clang_analyzer_dump(int x);
8 void clang_analyzer_dump_pointer(int *p);
9 void clang_analyzer_dumpSvalType(int x);
10 void clang_analyzer_dumpSvalType_pointer(int *p);
11 void clang_analyzer_printState(void);
12 void clang_analyzer_numTimesReached(void);
13 
14 void foo(int x) {
15   clang_analyzer_dump(x); // expected-warning{{reg_$0<int x>}}
16   clang_analyzer_dump(x + (-1)); // expected-warning{{(reg_$0<int x>) - 1}}
17   clang_analyzer_dumpSvalType(x); // expected-warning {{int}}
18 
19   int y = 1;
20   for (; y < 3; ++y) {
21     clang_analyzer_numTimesReached(); // expected-warning{{2}}
22 
23     if (y == 2) {
24       int z = x > 13;
25       if (!z)
26         clang_analyzer_printState();
27     }
28   }
29 }
30 
31 // CHECK:      "program_state": {
32 // CHECK-NEXT:   "store": { "pointer": "{{0x[0-9a-f]+}}", "items": [
33 // CHECK-NEXT:     { "cluster": "y", "pointer": "{{0x[0-9a-f]+}}", "items": [
34 // CHECK-NEXT:       { "kind": "Direct", "offset": {{[0-9]+}}, "value": "2 S32b" }
35 // CHECK-NEXT:     ]}
36 // CHECK-NEXT:   ]},
37 // CHECK-NEXT:   "environment": { "pointer": "{{0x[0-9a-f]+}}", "items": [
38 // CHECK-NEXT:     { "lctx_id": {{[0-9]+}}, "location_context": "#0 Call", "calling": "foo", "location": null, "items": [
39 // CHECK-NEXT:       { "stmt_id": {{[0-9]+}}, "pretty": "clang_analyzer_printState", "value": "&code{clang_analyzer_printState}" }
40 // CHECK-NEXT:     ]}
41 // CHECK-NEXT:   ]},
42 // CHECK-NEXT:   "constraints": [
43 // CHECK-NEXT:     { "symbol": "reg_$0<int x>", "range": "{ [-2147483648, 13] }" }
44 // CHECK-NEXT:   ],
45 // CHECK-NEXT:   "equivalence_classes": null,
46 // CHECK-NEXT:   "disequality_info": null,
47 // CHECK-NEXT:   "dynamic_types": null,
48 // CHECK-NEXT:   "dynamic_casts": null,
49 // CHECK-NEXT:   "constructing_objects": null,
50 // CHECK-NEXT:   "index_of_element": null,
51 // CHECK-NEXT:   "checker_messages": null
52 // CHECK-NEXT: }
53 
54 struct S {
55   int x, y;
56 };
57 
58 void test_field_dumps(struct S s, struct S *p) {
59   clang_analyzer_dump_pointer(&s.x); // expected-warning{{&s.x}}
60   clang_analyzer_dump_pointer(&p->x); // expected-warning{{&SymRegion{reg_$1<struct S * p>}.x}}
61   clang_analyzer_dumpSvalType_pointer(&s.x); // expected-warning {{int *}}
62 }
63