derek.holloway
7502bf64a4
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45 lines
1.4 KiB
C++
45 lines
1.4 KiB
C++
/* This testcase is part of GDB, the GNU debugger.
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Copyright 2025-2026 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include <hip/hip_runtime.h>
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__device__ int global = 0;
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__global__ void
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kern ()
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{
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}
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int __attribute__ ((optnone))
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main (int argc, char* argv[])
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{
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kern<<<1, 1>>> ();
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if (hipDeviceSynchronize () != hipSuccess)
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return 1;
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int *devGlobal;
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if (hipGetSymbolAddress (reinterpret_cast<void **> (&devGlobal), global))
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return 2;
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/* Now update the device global from a CPU thread. Use a volatile
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pointer at the access site so the store survives optimization
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without forcing devGlobal itself to be volatile (which would
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require dropping the qualifier with a C-style cast above). */
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*static_cast<volatile int *> (devGlobal) = 8;
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return 0;
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}
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