| 1 | // RUN: %clang_analyze_cc1 -triple x86_64-unknown-linux -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 | int foo1(int src) { |
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| 6 | int dst = src; |
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| 7 | if (src < 100 && src > 0) { |
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| 8 | |
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| 9 | asm ("mov %1, %0\n\t" |
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| 10 | "add $1, %0" |
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| 11 | : "=r" (dst) |
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| 12 | : "r" (src)); |
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| 13 | |
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| 14 | } |
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| 15 | return dst; |
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| 16 | } |
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| 17 | |
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| 18 | // Identical to foo1 except that it adds two instead of one, so it's no clone. |
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| 19 | int foo2(int src) { |
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| 20 | int dst = src; |
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| 21 | if (src < 100 && src > 0) { |
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| 22 | |
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| 23 | asm ("mov %1, %0\n\t" |
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| 24 | "add $2, %0" |
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| 25 | : "=r" (dst) |
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| 26 | : "r" (src)); |
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| 27 | |
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| 28 | } |
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| 29 | return dst; |
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| 30 | } |
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| 31 | |
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| 32 | // Identical to foo1 except that its a volatile asm statement, so it's no clone. |
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| 33 | int foo3(int src) { |
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| 34 | int dst = src; |
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| 35 | if (src < 100 && src > 0) { |
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| 36 | |
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| 37 | asm volatile ("mov %1, %0\n\t" |
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| 38 | "add $1, %0" |
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| 39 | : "=r" (dst) |
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| 40 | : "r" (src)); |
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| 41 | |
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| 42 | } |
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| 43 | return dst; |
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| 44 | } |
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| 45 | |
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