1 // 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 2 3 int foo(); 4 5 int test() { // 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 17 int sink() // 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 25 int emptyConditionLoop() // 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