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