1 | // RUN: %clang_analyze_cc1 -triple i386-apple-darwin8 -analyzer-checker=core,alpha.core -analyzer-store=region -Wno-objc-root-class %s > %t.1 2>&1 |
2 | // RUN: FileCheck -input-file=%t.1 -check-prefix=CHECK-darwin8 %s |
3 | // RUN: %clang_analyze_cc1 -triple i386-apple-darwin9 -analyzer-checker=core,alpha.core -analyzer-store=region -Wno-objc-root-class %s > %t.2 2>&1 |
4 | // RUN: FileCheck -input-file=%t.2 -check-prefix=CHECK-darwin9 %s |
5 | // RUN: %clang_analyze_cc1 -triple thumbv6-apple-ios4.0 -analyzer-checker=core,alpha.core -analyzer-store=region -Wno-objc-root-class %s > %t.3 2>&1 |
6 | // RUN: FileCheck -input-file=%t.3 -check-prefix=CHECK-darwin9 %s |
7 | |
8 | @interface MyClass {} |
9 | - (void *)voidPtrM; |
10 | - (int)intM; |
11 | - (long long)longlongM; |
12 | - (unsigned long long)unsignedLongLongM; |
13 | - (double)doubleM; |
14 | - (long double)longDoubleM; |
15 | - (void)voidM; |
16 | @end |
17 | @implementation MyClass |
18 | - (void *)voidPtrM { return (void *)0; } |
19 | - (int)intM { return 0; } |
20 | - (long long)longlongM { return 0; } |
21 | - (unsigned long long)unsignedLongLongM { return 0; } |
22 | - (double)doubleM { return 0.0; } |
23 | - (long double)longDoubleM { return 0.0; } |
24 | - (void)voidM {} |
25 | @end |
26 | |
27 | void createFoo() { |
28 | MyClass *obj = 0; |
29 | |
30 | void *v = [obj voidPtrM]; // no-warning |
31 | int i = [obj intM]; // no-warning |
32 | } |
33 | |
34 | void createFoo2() { |
35 | MyClass *obj = 0; |
36 | |
37 | long double ld = [obj longDoubleM]; |
38 | } |
39 | |
40 | void createFoo3() { |
41 | MyClass *obj; |
42 | obj = 0; |
43 | |
44 | long long ll = [obj longlongM]; |
45 | } |
46 | |
47 | void createFoo4() { |
48 | MyClass *obj = 0; |
49 | |
50 | double d = [obj doubleM]; |
51 | } |
52 | |
53 | void createFoo5() { |
54 | MyClass *obj = (id)@""; |
55 | |
56 | double d = [obj doubleM]; // no-warning |
57 | } |
58 | |
59 | void createFoo6() { |
60 | MyClass *obj; |
61 | obj = 0; |
62 | |
63 | unsigned long long ull = [obj unsignedLongLongM]; |
64 | } |
65 | |
66 | void handleNilPruneLoop(MyClass *obj) { |
67 | if (!!obj) |
68 | return; |
69 | |
70 | // Test if [obj intM] evaluates to 0, thus pruning the entire loop. |
71 | for (int i = 0; i < [obj intM]; i++) { |
72 | long long j = [obj longlongM]; |
73 | } |
74 | |
75 | long long j = [obj longlongM]; |
76 | } |
77 | |
78 | int handleVoidInComma() { |
79 | MyClass *obj = 0; |
80 | return [obj voidM], 0; |
81 | } |
82 | |
83 | int marker(void) { // control reaches end of non-void function |
84 | } |
85 | |
86 | // CHECK-darwin8: warning: The receiver of message 'longDoubleM' is nil and returns a value of type 'long double' that will be garbage |
87 | // CHECK-darwin8: warning: The receiver of message 'longlongM' is nil and returns a value of type 'long long' that will be garbage |
88 | // CHECK-darwin8: warning: The receiver of message 'doubleM' is nil and returns a value of type 'double' that will be garbage |
89 | // CHECK-darwin8: warning: The receiver of message 'unsignedLongLongM' is nil and returns a value of type 'unsigned long long' that will be garbage |
90 | // CHECK-darwin8: warning: The receiver of message 'longlongM' is nil and returns a value of type 'long long' that will be garbage |
91 | |
92 | // CHECK-darwin9-NOT: warning: The receiver of message 'longlongM' is nil and returns a value of type 'long long' that will be garbage |
93 | // CHECK-darwin9-NOT: warning: The receiver of message 'unsignedLongLongM' is nil and returns a value of type 'unsigned long long' that will be garbage |
94 | // CHECK-darwin9-NOT: warning: The receiver of message 'doubleM' is nil and returns a value of type 'double' that will be garbage |
95 | // CHECK-darwin9-NOT: warning: The receiver of message 'longlongM' is nil and returns a value of type 'long long' that will be garbage |
96 | // CHECK-darwin9-NOT: warning: The receiver of message 'longDoubleM' is nil and returns a value of type 'long double' that will be garbage |
97 | // CHECK-darwin9: 1 warning generated |
98 | |
99 | |