blob: 114d694020a1ff8a9b5b2671e20889c1e8801aac (
plain)
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
|
// RUN: rm -rf %t && mkdir %t
// RUN: mkdir -p %t/ctudir2
// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu \
// RUN: -emit-pch -o %t/ctudir2/ctu-other.c.ast %S/Inputs/ctu-other.c
// RUN: cp %S/Inputs/ctu-other.c.externalDefMap.txt %t/ctudir2/externalDefMap.txt
// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -fsyntax-only -std=c89 -analyze \
// RUN: -analyzer-checker=core,debug.ExprInspection \
// RUN: -analyzer-config experimental-enable-naive-ctu-analysis=true \
// RUN: -analyzer-config ctu-dir=%t/ctudir2 \
// RUN: -verify %s
void clang_analyzer_eval(int);
// Test typedef and global variable in function.
typedef struct {
int a;
int b;
} FooBar;
extern FooBar fb;
int f(int);
void testGlobalVariable() {
clang_analyzer_eval(f(5) == 1); // expected-warning{{TRUE}}
}
// Test enums.
int enumCheck(void);
enum A { x,
y,
z };
void testEnum() {
clang_analyzer_eval(x == 0); // expected-warning{{TRUE}}
clang_analyzer_eval(enumCheck() == 42); // expected-warning{{TRUE}}
}
// Test that asm import does not fail.
int inlineAsm();
int testInlineAsm() {
return inlineAsm();
}
// Test reporting error in a macro.
struct S;
int g(struct S *);
void testMacro(void) {
g(0); // expected-warning@Inputs/ctu-other.c:29 {{Access to field 'a' results in a dereference of a null pointer (loaded from variable 'ctx')}}
}
// The external function prototype is incomplete.
// warning:implicit functions are prohibited by c99
void testImplicit() {
int res = identImplicit(6); // external implicit functions are not inlined
clang_analyzer_eval(res == 6); // expected-warning{{TRUE}}
}
// Tests the import of functions that have a struct parameter
// defined in its prototype.
struct DataType {
int a;
int b;
};
int structInProto(struct DataType *d);
void testStructDefInArgument() {
struct DataType d;
d.a = 1;
d.b = 0;
clang_analyzer_eval(structInProto(&d) == 0); // expected-warning{{TRUE}} expected-warning{{FALSE}}
}
|
