22 lines
596 B
C
22 lines
596 B
C
/* { dg-do compile } */
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/* { dg-options "-Os -fdump-tree-reassoc2" } */
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/* Slightly changed testcase from PR middle-end/40815. */
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void bar(char*, char*, int);
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void foo(char* left, char* rite, int element)
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{
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while (left <= rite)
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{
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/* This should expand into
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D.zzzz = D.zzzz - D.xxxx;
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and NOT to
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D.D.yyyy = -D.xxxx; D.zzzz = D.zzzz + D.yyyy; */
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rite -= element;
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bar(left, rite, element);
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}
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}
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/* There should be no " + " in the dump. */
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/* { dg-final { scan-tree-dump-times " \\\+ " 0 "reassoc2" } } */
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/* { dg-final { cleanup-tree-dump "reassoc2" } } */
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