blob: 16a870b4a48bfd5261b543698b9000924ef30064 [file] [log] [blame]
/* Test erroneous cases of nested 'reduction' clauses. */
/* See also 'gfortran.dg/goacc/nested-reductions-2-kernels.f90'. */
/* { dg-additional-options -Wuninitialized } */
void acc_kernels (void)
{
int i, j, k, l, sum, diff;
#pragma acc kernels
/* implicit 'copy (sum, diff)'
{ dg-warning {'sum' is used uninitialized} TODO { xfail *-*-* } .-2 }
{ dg-warning {'diff' is used uninitialized} TODO { xfail *-*-* } .-3 } */
{
#pragma acc loop reduction(+:sum)
for (i = 0; i < 10; i++)
#pragma acc loop // { dg-warning "nested loop in reduction needs reduction clause for .sum." }
for (j = 0; j < 10; j++)
#pragma acc loop reduction(+:sum)
for (k = 0; k < 10; k++)
sum = 1;
#pragma acc loop reduction(+:sum)
for (i = 0; i < 10; i++)
#pragma acc loop collapse(2) // { dg-warning "nested loop in reduction needs reduction clause for .sum." }
for (j = 0; j < 10; j++)
for (k = 0; k < 10; k++)
#pragma acc loop reduction(+:sum)
for (l = 0; l < 10; l++)
sum = 1;
#pragma acc loop reduction(+:sum)
for (i = 0; i < 10; i++)
#pragma acc loop // { dg-warning "nested loop in reduction needs reduction clause for .sum." }
for (j = 0; j < 10; j++)
#pragma acc loop // { dg-warning "nested loop in reduction needs reduction clause for .sum." }
// { dg-warning "insufficient partitioning available to parallelize loop" "TODO" { xfail *-*-* } .-1 }
for (k = 0; k < 10; k++)
#pragma acc loop reduction(+:sum)
for (l = 0; l < 10; l++)
sum = 1;
#pragma acc loop reduction(+:sum)
for (i = 0; i < 10; i++)
#pragma acc loop reduction(-:sum) // { dg-warning "conflicting reduction operations for .sum." }
for (j = 0; j < 10; j++)
#pragma acc loop reduction(+:sum) // { dg-warning "conflicting reduction operations for .sum." }
for (k = 0; k < 10; k++)
sum = 1;
#pragma acc loop reduction(+:sum)
for (i = 0; i < 10; i++)
#pragma acc loop reduction(-:sum) // { dg-warning "conflicting reduction operations for .sum." }
for (j = 0; j < 10; j++)
#pragma acc loop reduction(-:sum)
for (k = 0; k < 10; k++)
sum = 1;
#pragma acc loop reduction(+:sum)
for (i = 0; i < 10; i++)
#pragma acc loop reduction(-:sum) // { dg-warning "conflicting reduction operations for .sum." }
for (j = 0; j < 10; j++)
#pragma acc loop // { dg-warning "nested loop in reduction needs reduction clause for .sum." }
// { dg-warning "insufficient partitioning available to parallelize loop" "TODO" { xfail *-*-* } .-1 }
for (k = 0; k < 10; k++)
#pragma acc loop reduction(*:sum) // { dg-warning "conflicting reduction operations for .sum." }
for (l = 0; l < 10; l++)
sum = 1;
#pragma acc loop reduction(+:sum)
for (i = 0; i < 10; i++)
#pragma acc loop reduction(-:sum) // { dg-warning "conflicting reduction operations for .sum." }
for (j = 0; j < 10; j++)
#pragma acc loop reduction(+:sum) // { dg-warning "conflicting reduction operations for .sum." }
// { dg-warning "insufficient partitioning available to parallelize loop" "TODO" { xfail *-*-* } .-1 }
for (k = 0; k < 10; k++)
#pragma acc loop reduction(*:sum) // { dg-warning "conflicting reduction operations for .sum." }
for (l = 0; l < 10; l++)
sum = 1;
#pragma acc loop reduction(+:sum) reduction(-:diff)
for (i = 0; i < 10; i++)
{
#pragma acc loop reduction(-:diff) // { dg-warning "nested loop in reduction needs reduction clause for .sum." }
for (j = 0; j < 10; j++)
#pragma acc loop reduction(+:sum)
for (k = 0; k < 10; k++)
sum = 1;
#pragma acc loop reduction(+:sum) // { dg-warning "nested loop in reduction needs reduction clause for .diff." }
for (j = 0; j < 10; j++)
#pragma acc loop reduction(-:diff)
for (k = 0; k < 10; k++)
diff = 1;
}
}
}
/* The same tests as above, but using a combined kernels loop construct. */
void acc_kernels_loop (void)
{
int i, j, k, l, sum, diff;
#pragma acc kernels loop
/* implicit 'copy (sum, diff)'
{ dg-warning {'sum' is used uninitialized} TODO { xfail *-*-* } .-2 }
{ dg-warning {'diff' is used uninitialized} TODO { xfail *-*-* } .-3 } */
for (int h = 0; h < 10; ++h)
{
#pragma acc loop reduction(+:sum)
for (i = 0; i < 10; i++)
#pragma acc loop // { dg-warning "nested loop in reduction needs reduction clause for .sum." }
// { dg-warning "insufficient partitioning available to parallelize loop" "TODO" { xfail *-*-* } .-1 }
for (j = 0; j < 10; j++)
#pragma acc loop reduction(+:sum)
for (k = 0; k < 10; k++)
sum = 1;
#pragma acc loop reduction(+:sum)
for (i = 0; i < 10; i++)
#pragma acc loop collapse(2) // { dg-warning "nested loop in reduction needs reduction clause for .sum." }
// { dg-warning "insufficient partitioning available to parallelize loop" "TODO" { xfail *-*-* } .-1 }
for (j = 0; j < 10; j++)
for (k = 0; k < 10; k++)
#pragma acc loop reduction(+:sum)
for (l = 0; l < 10; l++)
sum = 1;
#pragma acc loop reduction(+:sum)
for (i = 0; i < 10; i++)
#pragma acc loop // { dg-warning "nested loop in reduction needs reduction clause for .sum." }
// { dg-warning "insufficient partitioning available to parallelize loop" "TODO" { xfail *-*-* } .-1 }
for (j = 0; j < 10; j++)
#pragma acc loop // { dg-warning "nested loop in reduction needs reduction clause for .sum." }
// { dg-warning "insufficient partitioning available to parallelize loop" "TODO" { xfail *-*-* } .-1 }
for (k = 0; k < 10; k++)
#pragma acc loop reduction(+:sum)
for (l = 0; l < 10; l++)
sum = 1;
#pragma acc loop reduction(+:sum)
for (i = 0; i < 10; i++)
#pragma acc loop reduction(-:sum) // { dg-warning "conflicting reduction operations for .sum." }
// { dg-warning "insufficient partitioning available to parallelize loop" "TODO" { xfail *-*-* } .-1 }
for (j = 0; j < 10; j++)
#pragma acc loop reduction(+:sum) // { dg-warning "conflicting reduction operations for .sum." }
for (k = 0; k < 10; k++)
sum = 1;
#pragma acc loop reduction(+:sum)
for (i = 0; i < 10; i++)
#pragma acc loop reduction(-:sum) // { dg-warning "conflicting reduction operations for .sum." }
// { dg-warning "insufficient partitioning available to parallelize loop" "TODO" { xfail *-*-* } .-1 }
for (j = 0; j < 10; j++)
#pragma acc loop reduction(-:sum)
for (k = 0; k < 10; k++)
sum = 1;
#pragma acc loop reduction(+:sum)
for (i = 0; i < 10; i++)
#pragma acc loop reduction(-:sum) // { dg-warning "conflicting reduction operations for .sum." }
// { dg-warning "insufficient partitioning available to parallelize loop" "TODO" { xfail *-*-* } .-1 }
for (j = 0; j < 10; j++)
#pragma acc loop // { dg-warning "nested loop in reduction needs reduction clause for .sum." }
// { dg-warning "insufficient partitioning available to parallelize loop" "TODO" { xfail *-*-* } .-1 }
for (k = 0; k < 10; k++)
#pragma acc loop reduction(*:sum) // { dg-warning "conflicting reduction operations for .sum." }
for (l = 0; l < 10; l++)
sum = 1;
#pragma acc loop reduction(+:sum)
for (i = 0; i < 10; i++)
#pragma acc loop reduction(-:sum) // { dg-warning "conflicting reduction operations for .sum." }
// { dg-warning "insufficient partitioning available to parallelize loop" "TODO" { xfail *-*-* } .-1 }
for (j = 0; j < 10; j++)
#pragma acc loop reduction(+:sum) // { dg-warning "conflicting reduction operations for .sum." }
// { dg-warning "insufficient partitioning available to parallelize loop" "TODO" { xfail *-*-* } .-1 }
for (k = 0; k < 10; k++)
#pragma acc loop reduction(*:sum) // { dg-warning "conflicting reduction operations for .sum." }
for (l = 0; l < 10; l++)
sum = 1;
#pragma acc loop reduction(+:sum) reduction(-:diff)
for (i = 0; i < 10; i++)
{
#pragma acc loop reduction(-:diff) // { dg-warning "nested loop in reduction needs reduction clause for .sum." }
// { dg-warning "insufficient partitioning available to parallelize loop" "TODO" { xfail *-*-* } .-1 }
for (j = 0; j < 10; j++)
#pragma acc loop reduction(+:sum)
for (k = 0; k < 10; k++)
sum = 1;
#pragma acc loop reduction(+:sum) // { dg-warning "nested loop in reduction needs reduction clause for .diff." }
// { dg-warning "insufficient partitioning available to parallelize loop" "TODO" { xfail *-*-* } .-1 }
for (j = 0; j < 10; j++)
#pragma acc loop reduction(-:diff)
for (k = 0; k < 10; k++)
diff = 1;
}
}
}
/* The same tests as above, but now the outermost reduction clause is on
the kernels region, not the outermost loop. */
void acc_kernels_reduction (void)
{
/* In contrast to the 'parallel' construct, the 'reduction' clause is not
supported on the 'kernels' construct. */
}
/* The same tests as above, but using a combined kernels loop construct, and
the outermost reduction clause is on that one, not the outermost loop. */
void acc_kernels_loop_reduction (void)
{
int i, j, k, l, sum, diff;
#pragma acc kernels loop reduction(+:sum)
/* implicit 'copy (sum, diff)'
{ dg-warning {'sum' is used uninitialized} TODO { xfail *-*-* } .-2 }
{ dg-warning {'diff' is used uninitialized} TODO { xfail *-*-* } .-3 } */
for (int h = 0; h < 10; ++h)
{
#pragma acc loop // { dg-warning "nested loop in reduction needs reduction clause for .sum." }
for (i = 0; i < 10; i++)
#pragma acc loop // { dg-warning "nested loop in reduction needs reduction clause for .sum." }
// { dg-warning "insufficient partitioning available to parallelize loop" "TODO" { xfail *-*-* } .-1 }
for (j = 0; j < 10; j++)
#pragma acc loop reduction(+:sum)
for (k = 0; k < 10; k++)
sum = 1;
#pragma acc loop // { dg-warning "nested loop in reduction needs reduction clause for .sum." }
for (i = 0; i < 10; i++)
#pragma acc loop collapse(2) // { dg-warning "nested loop in reduction needs reduction clause for .sum." }
// { dg-warning "insufficient partitioning available to parallelize loop" "TODO" { xfail *-*-* } .-1 }
for (j = 0; j < 10; j++)
for (k = 0; k < 10; k++)
#pragma acc loop reduction(+:sum)
for (l = 0; l < 10; l++)
sum = 1;
#pragma acc loop // { dg-warning "nested loop in reduction needs reduction clause for .sum." }
for (i = 0; i < 10; i++)
#pragma acc loop // { dg-warning "nested loop in reduction needs reduction clause for .sum." }
// { dg-warning "insufficient partitioning available to parallelize loop" "TODO" { xfail *-*-* } .-1 }
for (j = 0; j < 10; j++)
#pragma acc loop // { dg-warning "nested loop in reduction needs reduction clause for .sum." }
// { dg-warning "insufficient partitioning available to parallelize loop" "TODO" { xfail *-*-* } .-1 }
for (k = 0; k < 10; k++)
#pragma acc loop reduction(+:sum)
for (l = 0; l < 10; l++)
sum = 1;
#pragma acc loop // { dg-warning "nested loop in reduction needs reduction clause for .sum." }
for (i = 0; i < 10; i++)
#pragma acc loop reduction(-:sum) // { dg-warning "conflicting reduction operations for .sum." }
// { dg-warning "insufficient partitioning available to parallelize loop" "TODO" { xfail *-*-* } .-1 }
for (j = 0; j < 10; j++)
#pragma acc loop reduction(+:sum) // { dg-warning "conflicting reduction operations for .sum." }
for (k = 0; k < 10; k++)
sum = 1;
#pragma acc loop // { dg-warning "nested loop in reduction needs reduction clause for .sum." }
for (i = 0; i < 10; i++)
#pragma acc loop reduction(-:sum) // { dg-warning "conflicting reduction operations for .sum." }
// { dg-warning "insufficient partitioning available to parallelize loop" "TODO" { xfail *-*-* } .-1 }
for (j = 0; j < 10; j++)
#pragma acc loop reduction(-:sum)
for (k = 0; k < 10; k++)
sum = 1;
#pragma acc loop reduction(max:sum) // { dg-warning "conflicting reduction operations for .sum." }
for (i = 0; i < 10; i++)
#pragma acc loop reduction(-:sum) // { dg-warning "conflicting reduction operations for .sum." }
// { dg-warning "insufficient partitioning available to parallelize loop" "TODO" { xfail *-*-* } .-1 }
for (j = 0; j < 10; j++)
#pragma acc loop // { dg-warning "nested loop in reduction needs reduction clause for .sum." }
// { dg-warning "insufficient partitioning available to parallelize loop" "TODO" { xfail *-*-* } .-1 }
for (k = 0; k < 10; k++)
#pragma acc loop reduction(*:sum) // { dg-warning "conflicting reduction operations for .sum." }
for (l = 0; l < 10; l++)
sum = 1;
#pragma acc loop reduction(max:sum) // { dg-warning "conflicting reduction operations for .sum." }
for (i = 0; i < 10; i++)
#pragma acc loop reduction(-:sum) // { dg-warning "conflicting reduction operations for .sum." }
// { dg-warning "insufficient partitioning available to parallelize loop" "TODO" { xfail *-*-* } .-1 }
for (j = 0; j < 10; j++)
#pragma acc loop reduction(+:sum) // { dg-warning "conflicting reduction operations for .sum." })
// { dg-warning "insufficient partitioning available to parallelize loop" "TODO" { xfail *-*-* } .-1 }
for (k = 0; k < 10; k++)
#pragma acc loop reduction(*:sum) // { dg-warning "conflicting reduction operations for .sum." }
for (l = 0; l < 10; l++)
sum = 1;
#pragma acc loop reduction(-:diff) // { dg-warning "nested loop in reduction needs reduction clause for .sum." }
for (i = 0; i < 10; i++)
{
#pragma acc loop reduction(-:diff) // { dg-warning "nested loop in reduction needs reduction clause for .sum." }
// { dg-warning "insufficient partitioning available to parallelize loop" "TODO" { xfail *-*-* } .-1 }
for (j = 0; j < 10; j++)
#pragma acc loop reduction(+:sum)
for (k = 0; k < 10; k++)
sum = 1;
#pragma acc loop reduction(+:sum) // { dg-warning "nested loop in reduction needs reduction clause for .diff." }
// { dg-warning "insufficient partitioning available to parallelize loop" "TODO" { xfail *-*-* } .-1 }
for (j = 0; j < 10; j++)
#pragma acc loop reduction(-:diff)
for (k = 0; k < 10; k++)
diff = 1;
}
}
}