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26 lines
582 B
26 lines
582 B
4 months ago
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// RUN: %clang_cc1 -Eonly %s -verify -triple i686-pc-linux-gnu
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// Multiply signed overflow
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#if 0x7FFFFFFFFFFFFFFF*2 // expected-warning {{overflow}}
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#endif
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// Multiply unsigned overflow
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#if 0xFFFFFFFFFFFFFFFF*2
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#endif
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// Add signed overflow
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#if 0x7FFFFFFFFFFFFFFF+1 // expected-warning {{overflow}}
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#endif
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// Add unsigned overflow
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#if 0xFFFFFFFFFFFFFFFF+1
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#endif
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// Subtract signed overflow
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#if 0x7FFFFFFFFFFFFFFF- -1 // expected-warning {{overflow}}
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#endif
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// Subtract unsigned overflow
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#if 0xFFFFFFFFFFFFFFFF- -1 // expected-warning {{converted from negative value}}
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#endif
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