| 1 | // RUN: %clang_cc1 -Eonly %s -verify -triple i686-pc-linux-gnu |
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| 2 | |
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| 3 | // Multiply signed overflow |
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| 4 | #if 0x7FFFFFFFFFFFFFFF*2 // expected-warning {{overflow}} |
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| 5 | #endif |
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| 6 | |
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| 7 | // Multiply unsigned overflow |
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| 8 | #if 0xFFFFFFFFFFFFFFFF*2 |
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| 9 | #endif |
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| 10 | |
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| 11 | // Add signed overflow |
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| 12 | #if 0x7FFFFFFFFFFFFFFF+1 // expected-warning {{overflow}} |
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| 13 | #endif |
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| 14 | |
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| 15 | // Add unsigned overflow |
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| 16 | #if 0xFFFFFFFFFFFFFFFF+1 |
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| 17 | #endif |
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| 18 | |
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| 19 | // Subtract signed overflow |
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| 20 | #if 0x7FFFFFFFFFFFFFFF- -1 // expected-warning {{overflow}} |
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| 21 | #endif |
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| 22 | |
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| 23 | // Subtract unsigned overflow |
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| 24 | #if 0xFFFFFFFFFFFFFFFF- -1 // expected-warning {{converted from negative value}} |
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| 25 | #endif |
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| 26 | |
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