101 lines
2.4 KiB
C
101 lines
2.4 KiB
C
/* Exercise nested function decomposition, gcc/tree-nested.c. */
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/* See gcc/testsuite/gfortran.dg/goacc/nested-function-1.f90 for the Fortran
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version. */
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int main ()
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{
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#define N 100
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int nonlocal_arg;
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int nonlocal_a[N];
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int nonlocal_i;
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int nonlocal_j;
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for (int i = 0; i < N; ++i)
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nonlocal_a[i] = 5;
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nonlocal_arg = 5;
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void local ()
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{
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int local_i;
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int local_arg;
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int local_a[N];
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int local_j;
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for (int i = 0; i < N; ++i)
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local_a[i] = 5;
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local_arg = 5;
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#pragma acc kernels loop \
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gang(num:local_arg) worker(local_arg) vector(local_arg) \
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wait async(local_arg)
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for (local_i = 0; local_i < N; ++local_i)
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{
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#pragma acc cache (local_a[local_i:5])
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local_a[local_i] = 100;
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#pragma acc loop seq tile(*)
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for (local_j = 0; local_j < N; ++local_j)
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;
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#pragma acc loop auto independent tile(1)
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for (local_j = 0; local_j < N; ++local_j)
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;
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}
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#pragma acc kernels loop \
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gang(static:local_arg) worker(local_arg) vector(local_arg) \
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wait(local_arg, local_arg + 1, local_arg + 2) async
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for (local_i = 0; local_i < N; ++local_i)
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{
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#pragma acc cache (local_a[local_i:4])
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local_a[local_i] = 100;
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#pragma acc loop seq tile(1)
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for (local_j = 0; local_j < N; ++local_j)
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;
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#pragma acc loop auto independent tile(*)
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for (local_j = 0; local_j < N; ++local_j)
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;
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}
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}
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void nonlocal ()
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{
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for (int i = 0; i < N; ++i)
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nonlocal_a[i] = 5;
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nonlocal_arg = 5;
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#pragma acc kernels loop \
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gang(num:nonlocal_arg) worker(nonlocal_arg) vector(nonlocal_arg) \
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wait async(nonlocal_arg)
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for (nonlocal_i = 0; nonlocal_i < N; ++nonlocal_i)
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{
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#pragma acc cache (nonlocal_a[nonlocal_i:3])
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nonlocal_a[nonlocal_i] = 100;
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#pragma acc loop seq tile(2)
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for (nonlocal_j = 0; nonlocal_j < N; ++nonlocal_j)
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;
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#pragma acc loop auto independent tile(3)
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for (nonlocal_j = 0; nonlocal_j < N; ++nonlocal_j)
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;
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}
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#pragma acc kernels loop \
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gang(static:nonlocal_arg) worker(nonlocal_arg) vector(nonlocal_arg) \
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wait(nonlocal_arg, nonlocal_arg + 1, nonlocal_arg + 2) async
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for (nonlocal_i = 0; nonlocal_i < N; ++nonlocal_i)
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{
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#pragma acc cache (nonlocal_a[nonlocal_i:2])
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nonlocal_a[nonlocal_i] = 100;
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#pragma acc loop seq tile(*)
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for (nonlocal_j = 0; nonlocal_j < N; ++nonlocal_j)
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;
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#pragma acc loop auto independent tile(*)
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for (nonlocal_j = 0; nonlocal_j < N; ++nonlocal_j)
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;
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}
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}
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local ();
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nonlocal ();
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return 0;
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}
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