| 1 | // RUN: %clang_analyze_cc1 -std=gnu++11 -analyzer-checker=alpha.clone.CloneChecker -analyzer-config alpha.clone.CloneChecker:MinimumCloneComplexity=10 -verify %s |
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| 2 | |
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| 3 | // expected-no-diagnostics |
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| 4 | |
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| 5 | |
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| 6 | bool foo1(int x) { |
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| 7 | start: |
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| 8 | if (x != 3) { |
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| 9 | ++x; |
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| 10 | void *ptr = &&start; |
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| 11 | goto start; |
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| 12 | } |
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| 13 | end: |
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| 14 | return false; |
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| 15 | } |
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| 16 | |
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| 17 | // Targeting a different label with the address-of-label operator. |
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| 18 | bool foo2(int x) { |
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| 19 | start: |
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| 20 | if (x != 3) { |
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| 21 | ++x; |
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| 22 | void *ptr = &&end; |
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| 23 | goto start; |
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| 24 | } |
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| 25 | end: |
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| 26 | return false; |
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| 27 | } |
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| 28 | |
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| 29 | // Different target label in goto |
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| 30 | bool foo3(int x) { |
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| 31 | start: |
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| 32 | if (x != 3) { |
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| 33 | ++x; |
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| 34 | void *ptr = &&start; |
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| 35 | goto end; |
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| 36 | } |
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| 37 | end: |
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| 38 | return false; |
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| 39 | } |
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| 40 | |
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| 41 | // FIXME: Can't detect same algorithm as in foo1 but with different label names. |
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| 42 | bool foo4(int x) { |
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| 43 | foo: |
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| 44 | if (x != 3) { |
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| 45 | ++x; |
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| 46 | void *ptr = &&foo; |
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| 47 | goto foo; |
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| 48 | } |
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| 49 | end: |
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| 50 | return false; |
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| 51 | } |
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| 52 | |
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