| /* Test OpenACC 'kernels' construct decomposition. */ |
| |
| /* { dg-additional-options "-fopt-info-omp-all" } */ |
| /* { dg-additional-options "--param=openacc-kernels=decompose" } */ |
| |
| /* { dg-additional-options "-fopt-info-all-omp" } |
| { dg-additional-options "--param=openacc-privatization=noisy" } |
| { dg-additional-options "-foffload=-fopt-info-all-omp" } |
| { dg-additional-options "-foffload=--param=openacc-privatization=noisy" } |
| for testing/documenting aspects of that functionality. */ |
| |
| /* It's only with Tcl 8.5 (released in 2007) that "the variable 'varName' |
| passed to 'incr' may be unset, and in that case, it will be set to [...]", |
| so to maintain compatibility with earlier Tcl releases, we manually |
| initialize counter variables: |
| { dg-line l_dummy[variable c_compute 0 c_loop_i 0] } |
| { dg-message "dummy" "" { target iN-VAl-Id } l_dummy } to avoid |
| "WARNING: dg-line var l_dummy defined, but not used". */ |
| |
| #undef NDEBUG |
| #include <assert.h> |
| |
| int main() |
| { |
| int a = 0; |
| /*TODO Without making 'a' addressable, for GCN offloading we will not see the expected value copied out. (But it does work for nvptx offloading, strange...) */ |
| (volatile int *) &a; |
| #define N 123 |
| int b[N] = { 0 }; |
| |
| #pragma acc kernels /* { dg-line l_compute[incr c_compute] } */ |
| { |
| int c = 234; /* { dg-message "note: beginning 'gang-single' part in OpenACC 'kernels' region" } */ |
| /* { dg-note {variable 'c' declared in block is candidate for adjusting OpenACC privatization level} "" { target *-*-* } l_compute$c_compute } |
| { dg-note {variable 'c\.[0-9]+' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_compute$c_compute } */ |
| |
| /*TODO Hopefully, this is the same issue as '../../../gcc/testsuite/c-c++-common/goacc/kernels-decompose-ice-1.c'. */ |
| (volatile int *) &c; |
| |
| #pragma acc loop independent gang /* { dg-line l_loop_i[incr c_loop_i] } */ |
| /* { dg-message "note: parallelized loop nest in OpenACC 'kernels' region" "" { target *-*-* } l_loop_i$c_loop_i } */ |
| /* { dg-note {variable 'i' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop_i$c_loop_i } */ |
| /* { dg-note {variable 'i' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } l_loop_i$c_loop_i } */ |
| /* { dg-optimized "assigned OpenACC gang loop parallelism" "" { target *-*-* } l_loop_i$c_loop_i } */ |
| for (int i = 0; i < N; ++i) |
| b[i] = c; |
| |
| a = c; /* { dg-message "note: beginning 'gang-single' part in OpenACC 'kernels' region" } */ |
| } |
| |
| for (int i = 0; i < N; ++i) |
| assert (b[i] == 234); |
| assert (a == 234); |
| |
| return 0; |
| } |