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