blob: 1d6844fad94fc069b249637e5e36816de4b3f713 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
// RUN: %clang_analyze_cc1 -analyzer-checker=debug.DumpCallGraph %s -fblocks 2>&1 | FileCheck %s
int get5() {
return 5;
}
int add(int val1, int val2) {
return val1 + val2;
}
int test_add() {
return add(10, get5());
}
static void mmm(int y) {
if (y != 0)
y++;
y = y/y;
}
static int foo(int x, int y) {
mmm(y);
if (x != 0)
x++;
return 5/x;
}
void aaa() {
foo(1,2);
}
void bbb(int y) {
int x = (y > 2);
^ {
foo(x, y);
}();
}
void ccc();
void ddd() { ccc(); }
void ccc() {}
void eee();
void eee() {}
void fff() { eee(); }
// This test case tests that forward declaration for the top-level function
// does not affect call graph construction.
void do_nothing() {}
void test_single_call();
void test_single_call() {
do_nothing();
}
namespace SomeNS {
template<typename T>
void templ(T t) {
ccc();
}
template<>
void templ<double>(double t) {
eee();
}
void templUser() {
templ(5);
templ(5.5);
}
}
// CHECK:--- Call graph Dump ---
// CHECK-NEXT: {{Function: < root > calls: get5 add test_add mmm foo aaa < > bbb ddd ccc eee fff do_nothing test_single_call SomeNS::templ SomeNS::templ SomeNS::templUser $}}
// CHECK-NEXT: {{Function: SomeNS::templUser calls: SomeNS::templ SomeNS::templ $}}
// CHECK-NEXT: {{Function: SomeNS::templ calls: eee $}}
// CHECK-NEXT: {{Function: SomeNS::templ calls: ccc $}}
// CHECK-NEXT: {{Function: test_single_call calls: do_nothing $}}
// CHECK-NEXT: {{Function: do_nothing calls: $}}
// CHECK-NEXT: {{Function: fff calls: eee $}}
// CHECK-NEXT: {{Function: eee calls: $}}
// CHECK-NEXT: {{Function: ddd calls: ccc $}}
// CHECK-NEXT: {{Function: ccc calls: $}}
// CHECK-NEXT: {{Function: bbb calls: < > $}}
// CHECK-NEXT: {{Function: < > calls: foo $}}
// CHECK-NEXT: {{Function: aaa calls: foo $}}
// CHECK-NEXT: {{Function: foo calls: mmm $}}
// CHECK-NEXT: {{Function: mmm calls: $}}
// CHECK-NEXT: {{Function: test_add calls: add get5 $}}
// CHECK-NEXT: {{Function: add calls: $}}
// CHECK-NEXT: {{Function: get5 calls: $}}
|
