1 // RUN: %clang_analyze_cc1 -analyzer-checker=core,deadcode.DeadStores,debug.Stats -verify -Wno-unreachable-code -analyzer-max-loop 4 %s
2
3 int foo(void);
4
test(void)5 int test(void) { // expected-warning-re{{test -> Total CFGBlocks: {{[0-9]+}} | Unreachable CFGBlocks: 0 | Exhausted Block: no | Empty WorkList: yes}}
6 int a = 1;
7 a = 34 / 12;
8
9 if (foo())
10 return a;
11
12 a /= 4;
13 return a;
14 }
15
16
sink(void)17 int sink(void) // expected-warning-re{{sink -> Total CFGBlocks: {{[0-9]+}} | Unreachable CFGBlocks: 1 | Exhausted Block: yes | Empty WorkList: yes}}
18 {
19 for (int i = 0; i < 10; ++i) // expected-warning {{(sink): The analyzer generated a sink at this point}}
20 ++i;
21
22 return 0;
23 }
24
emptyConditionLoop(void)25 int emptyConditionLoop(void) // expected-warning-re{{emptyConditionLoop -> Total CFGBlocks: {{[0-9]+}} | Unreachable CFGBlocks: 0 | Exhausted Block: yes | Empty WorkList: yes}}
26 {
27 int num = 1;
28 for (;;)
29 num++;
30 }
31