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
| // RUN: rm -rf %t && mkdir %t
// RUN: mkdir -p %t/ctudir
// RUN: %clang_cc1 -emit-pch -o %t/ctudir/plist-macros-ctu.c.ast %S/Inputs/plist-macros-ctu.c
// RUN: cp %S/Inputs/plist-macros-with-expansion-ctu.c.externalDefMap.txt %t/ctudir/externalDefMap.txt
// RUN: %clang_analyze_cc1 -analyzer-checker=core \
// RUN: -analyzer-config experimental-enable-naive-ctu-analysis=true \
// RUN: -analyzer-config ctu-dir=%t/ctudir \
// RUN: -analyzer-config expand-macros=true \
// RUN: -analyzer-output=plist-multi-file -o %t.plist -verify %s
// Check the macro expansions from the plist output here, to make the test more
// understandable.
// RUN: FileCheck --input-file=%t.plist %s
extern void F1(int **);
extern void F2(int **);
extern void F3(int **);
extern void F_H(int **);
void test0() {
int *X;
F3(&X);
*X = 1; // expected-warning{{Dereference of null pointer}}
}
// CHECK: <key>name</key><string>M1</string>
// CHECK-NEXT: <key>expansion</key><string>*Z = (int *)0</string>
void test1() {
int *X;
F1(&X);
*X = 1; // expected-warning{{Dereference of null pointer}}
}
// CHECK: <key>name</key><string>M</string>
// CHECK-NEXT: <key>expansion</key><string>*X = (int *)0</string>
void test2() {
int *X;
F2(&X);
*X = 1; // expected-warning{{Dereference of null pointer}}
}
// CHECK: <key>name</key><string>M</string>
// CHECK-NEXT: <key>expansion</key><string>*Y = (int *)0</string>
#define M F1(&X)
void test3() {
int *X;
M;
*X = 1; // expected-warning{{Dereference of null pointer}}
}
// CHECK: <key>name</key><string>M</string>
// CHECK-NEXT: <key>expansion</key><string>F1(&X)</string>
// CHECK: <key>name</key><string>M</string>
// CHECK-NEXT: <key>expansion</key><string>*X = (int *)0</string>
#undef M
#define M F2(&X)
void test4() {
int *X;
M;
*X = 1; // expected-warning{{Dereference of null pointer}}
}
// CHECK: <key>name</key><string>M</string>
// CHECK-NEXT: <key>expansion</key><string>F2(&X)</string>
// CHECK: <key>name</key><string>M</string>
// CHECK-NEXT: <key>expansion</key><string>*Y = (int *)0</string>
void test_h() {
int *X;
F_H(&X);
*X = 1; // expected-warning{{Dereference of null pointer}}
}
// CHECK: <key>name</key><string>M_H</string>
// CHECK-NEXT: <key>expansion</key><string>*A = (int *)0</string>
|