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
| // RUN: %clang_analyze_cc1 -triple x86_64-unknown-linux -analyzer-checker=alpha.clone.CloneChecker -analyzer-config alpha.clone.CloneChecker:MinimumCloneComplexity=10 -verify %s
// expected-no-diagnostics
int foo1(int src) {
int dst = src;
if (src < 100 && src > 0) {
asm ("mov %1, %0\n\t"
"add $1, %0"
: "=r" (dst)
: "r" (src));
}
return dst;
}
// Identical to foo1 except that it adds two instead of one, so it's no clone.
int foo2(int src) {
int dst = src;
if (src < 100 && src > 0) {
asm ("mov %1, %0\n\t"
"add $2, %0"
: "=r" (dst)
: "r" (src));
}
return dst;
}
// Identical to foo1 except that its a volatile asm statement, so it's no clone.
int foo3(int src) {
int dst = src;
if (src < 100 && src > 0) {
asm volatile ("mov %1, %0\n\t"
"add $1, %0"
: "=r" (dst)
: "r" (src));
}
return dst;
}
|