| // RUN: %clang_analyze_cc1 -analyzer-checker=core,deadcode.DeadStores,debug.Stats -verify -Wno-unreachable-code -analyzer-opt-analyze-nested-blocks -analyzer-max-loop 4 %s |
| |
| int foo(); |
| |
| int test() { // expected-warning-re{{test -> Total CFGBlocks: {{[0-9]+}} | Unreachable CFGBlocks: 0 | Exhausted Block: no | Empty WorkList: yes}} |
| int a = 1; |
| a = 34 / 12; |
| |
| if (foo()) |
| return a; |
| |
| a /= 4; |
| return a; |
| } |
| |
| |
| int sink() // expected-warning-re{{sink -> Total CFGBlocks: {{[0-9]+}} | Unreachable CFGBlocks: 1 | Exhausted Block: yes | Empty WorkList: yes}} |
| { |
| for (int i = 0; i < 10; ++i) // expected-warning {{(sink): The analyzer generated a sink at this point}} |
| ++i; |
| |
| return 0; |
| } |
| |
| int emptyConditionLoop() // expected-warning-re{{emptyConditionLoop -> Total CFGBlocks: {{[0-9]+}} | Unreachable CFGBlocks: 0 | Exhausted Block: yes | Empty WorkList: yes}} |
| { |
| int num = 1; |
| for (;;) |
| num++; |
| } |