зеркало из https://github.com/microsoft/clang.git
16 строки
469 B
C
16 строки
469 B
C
// RUN: clang-cc -triple i386-pc-linux-gnu -emit-llvm -o %t %s
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// RUN: grep '@llvm.memset.i32' %t
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// RUN: grep '@llvm.memcpy.i32' %t
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// RUN: grep '@llvm.memmove.i32' %t
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// RUN: grep __builtin %t | count 0
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int main(int argc, char **argv) {
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unsigned char a = 0x11223344;
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unsigned char b = 0x11223344;
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__builtin_bzero(&a, sizeof(a));
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__builtin_memset(&a, 0, sizeof(a));
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__builtin_memcpy(&a, &b, sizeof(a));
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__builtin_memmove(&a, &b, sizeof(a));
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return 0;
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}
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