28 lines
755 B
C
28 lines
755 B
C
/* { dg-do compile } */
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/* { dg-options "-O1 -fdump-tree-dom2" } */
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typedef unsigned int cppchar_t;
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cppchar_t
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cpp_parse_escape (pstr, limit, wide)
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const unsigned char **pstr;
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const unsigned char *limit;
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int wide;
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{
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cppchar_t i = 0;
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int overflow = 0;
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cppchar_t mask = ~0;
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while (*pstr < limit)
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{
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overflow |= i ^ (i << 4 >> 4);
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i = oof ();
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}
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if (overflow | (i != (i & mask)))
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foo();
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}
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/* There should be precisely three IF statements. If there is
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more than two, then the dominator optimizations failed. */
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/* { dg-final { scan-tree-dump-times "if " 3 "dom2"} } */
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/* { dg-final { cleanup-tree-dump "dom2" } } */
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