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/* Test cases of nested 'reduction' clauses expected to compile cleanly. */
/* See also 'gfortran.dg/goacc/nested-reductions-1-routine.f90'. */
/* { dg-additional-options -Wuninitialized } */
#pragma acc routine gang
void acc_routine (void)
{
int i, j, k, sum, diff;
{
/* { dg-error "gang reduction on an orphan loop" "" { target *-*-* } .+1 } */
#pragma acc loop reduction(+:sum)
/* { dg-warning {'sum' is used uninitialized} {} { target *-*-* } .-1 } */
for (i = 0; i < 10; i++)
for (j = 0; j < 10; j++)
for (k = 0; k < 10; k++)
sum = 1;
/* { dg-error "gang reduction on an orphan loop" "" { target *-*-* } .+1 } */
#pragma acc loop collapse(2) reduction(+:sum)
for (i = 0; i < 10; i++)
for (j = 0; j < 10; j++)
for (k = 0; k < 10; k++)
sum = 1;
/* { dg-error "gang reduction on an orphan loop" "" { target *-*-* } .+1 } */
#pragma acc loop reduction(+:sum)
for (i = 0; i < 10; i++)
#pragma acc loop reduction(+:sum)
for (j = 0; j < 10; j++)
for (k = 0; k < 10; k++)
sum = 1;
/* { dg-error "gang reduction on an orphan loop" "" { target *-*-* } .+1 } */
#pragma acc loop reduction(+:sum)
for (i = 0; i < 10; i++)
#pragma acc loop collapse(2) reduction(+:sum)
for (j = 0; j < 10; j++)
for (k = 0; k < 10; k++)
sum = 1;
/* { dg-error "gang reduction on an orphan loop" "" { target *-*-* } .+1 } */
#pragma acc loop reduction(+:sum)
for (i = 0; i < 10; i++)
for (j = 0; j < 10; j++)
#pragma acc loop reduction(+:sum)
for (k = 0; k < 10; k++)
sum = 1;
/* { dg-error "gang reduction on an orphan loop" "" { target *-*-* } .+1 } */
#pragma acc loop reduction(+:sum)
for (i = 0; i < 10; i++)
#pragma acc loop reduction(+:sum)
for (j = 0; j < 10; j++)
#pragma acc loop reduction(+:sum)
for (k = 0; k < 10; k++)
sum = 1;
/* { dg-error "gang reduction on an orphan loop" "" { target *-*-* } .+1 } */
#pragma acc loop reduction(+:sum) reduction(-:diff)
/* { dg-warning {'diff' is used uninitialized} {} { target *-*-* } .-1 } */
for (i = 0; i < 10; i++)
{
#pragma acc loop reduction(+:sum)
for (j = 0; j < 10; j++)
#pragma acc loop reduction(+:sum)
for (k = 0; k < 10; k++)
sum = 1;
#pragma acc loop reduction(-:diff)
for (j = 0; j < 10; j++)
#pragma acc loop reduction(-:diff)
for (k = 0; k < 10; k++)
diff = 1;
}
}
}
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