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/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-pre-stats" } */
double pcheck;
void foo(int n, int m, int b)
{
int i, j;
goto bb18;
start:
i = 1;
do {
j = 1;
do {
double x = pcheck;
x = x + 1;
pcheck = x;
j = j + 1;
} while (j != m);
i = i + 1;
} while (i != n);
bb18:
pcheck = 0.0;
goto start;
}
/* We should have inserted two PHI nodes and the one in the i-loop
should have 0.0 in the argument coming from the bb18 block. */
/* { dg-final { scan-tree-dump "New PHIs: 2" "pre" } } */
/* { dg-final { scan-tree-dump "PHI <.*0\\\.0" "pre" } } */
/* { dg-final { cleanup-tree-dump "pre" } } */
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