File: ptr_and_obj_motion.c

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-16
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 1,496,368 kB
  • sloc: cpp: 5,593,980; ansic: 986,873; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,547; xml: 953; cs: 573; fortran: 567
file content (44 lines) | stat: -rw-r--r-- 801 bytes parent folder | download | duplicates (4) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
 
// 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])
  {
    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]);
}