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1 // PR tree-opt/28937
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2 // Complete unroll forgot to update the statement usage
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3 // which meant we ICEd in add_virtual_operand.
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4
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5 // { dg-do compile }
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6 // { dg-options "-O2" }
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7
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8
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9 class SHA256
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10 {
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11 unsigned m_digest;
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12 unsigned long long m_count;
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13 unsigned char _buffer[64];
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14 static void Transform (unsigned * data);
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15 void WriteByteBlock (unsigned t);
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16 };
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17 void SHA256::WriteByteBlock (unsigned t)
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18 {
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19 unsigned data32[16];
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20 Transform (data32);
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21 unsigned long long lenInBits = m_count;
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22 if (t != (64 - 8))
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23 return;
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24 for (int i = 0; i < 2; i++)
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25 _buffer[t++] = (unsigned char)lenInBits;
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26 }
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27
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