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/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-crc-details" } */
unsigned char
crc8(unsigned char value)
{
for (int i = 0; i < 8; ++i) {
value = (value & 0x80) ? ((value << 1) ^ 0x31) : (value << 1);
}
return value;
}
/* { dg-final { scan-tree-dump "crc8 function maybe calculates CRC and returns it." "crc"} } */
/* { dg-final { scan-tree-dump "Return size is 8" "crc"} } */
/* { dg-final { scan-tree-dump "Loop iteration number is 7" "crc"} } */
/* { dg-final { scan-tree-dump "Bit forward" "crc"} } */
/* { dg-final { scan-tree-dump "crc8 function calculates CRC." "crc"} } */
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