Files
clang-p2996/openmp/libomptarget/test/offloading/indirect_fp_mapping.c
Johannes Doerfert 2d739f13d4 [OpenMP][Offload] Automatically map indirect function pointers (#71462)
We already have all the information to automatically map function
pointers that have been declared as `indirect` declare target by the
user. This is just enabling and testing the functionality by looking
through the one level of indirection.
2023-11-07 08:33:39 -08:00

38 lines
882 B
C

// RUN: %libomptarget-compile-generic -fopenmp-version=51
// RUN: %libomptarget-run-generic | %fcheck-generic
// RUN: %libomptarget-compileopt-generic -fopenmp-version=51
// RUN: %libomptarget-run-generic | %fcheck-generic
#include <stdio.h>
int square(int x) { return x * x; }
#pragma omp declare target indirect to(square)
typedef int (*fp_t)(int);
int main() {
int i = 17, r;
fp_t fp = &square;
// CHECK: host: &square =
printf("host: &square = %p\n", fp);
#pragma omp target map(from : fp)
fp = &square;
// CHECK: device: &square = [[DEV_FP:.*]]
printf("device: &square = %p\n", fp);
fp_t fp1 = square;
fp_t fp2 = 0;
#pragma omp target map(from : fp2)
fp2 = fp1;
// CHECK: device: fp2 = [[DEV_FP]]
printf("device: fp2 = %p\n", fp2);
#pragma omp target map(from : r)
{ r = fp1(i); }
// CHECK: 17*17 = 289
printf("%i*%i = %i\n", i, i, r);
}