llvm-project/offload/test/mapping/ptr_and_obj_motion.c
fineg74 1611a23a5b
[OFFLOAD] Add spirv implementation for named barrier (#180393)
This change adds implementation for named barriers for SPIRV backend.
Since there is no built in API/intrinsics for named barrier in SPIRV,
the implementation loosely follows implementation for AMD
2026-03-27 20:14:09 +01:00

44 lines
834 B
C

// RUN: %libomptarget-compile-run-and-check-generic
#include <stdio.h>
typedef struct {
double *dataptr;
int dummy1;
int dummy2;
} DV;
void init(double vertexx[]) {
#pragma omp target map(vertexx[0 : 100])
{
printf("In init: %lf, expected 100.0\n", vertexx[77]);
vertexx[77] = 77.0;
}
}
void change(DV *dvptr) {
#pragma omp target map(dvptr->dataptr[0 : 100]) map(alloc : dvptr -> dataptr)
{
printf("In change: %lf, expected 77.0\n", dvptr->dataptr[77]);
dvptr->dataptr[77] += 1.0;
}
}
int main() {
double vertexx[100];
vertexx[77] = 100.0;
DV dv;
dv.dataptr = &vertexx[0];
#pragma omp target enter data map(to : vertexx[0 : 100])
init(vertexx);
change(&dv);
#pragma omp target exit data map(from : vertexx[0 : 100])
// CHECK: Final: 78.0
printf("Final: %lf\n", vertexx[77]);
}