alexey-bataev wrote:
Check these tests:
```
#include <stdio.h>
#include <stdlib.h>
int main() {
int i, j, k;
int count = 0;
#pragma omp fuse looprange(1, 2)
{
for (i = 0; i < 10; i++)
;
for (j = 0; j < 15; j++)
;
// Reads i: must observe the loop-exit value 10, not the value left by
// the last fused iteration (9).
for (k = 0; k < i; k++)
count++;
}
printf("count=%d i=%d j=%d k=%d\n", count, i, j, k);
return EXIT_SUCCESS;
}
```
```
#include <stdio.h>
#include <stdlib.h>
int main() {
int i, j, l;
#pragma omp fuse
{
#pragma omp fuse
{
for (i = 0; i < 10; i++)
;
for (j = 0; j < 20; j++)
;
}
for (l = 0; l < 5; l++)
;
}
printf("i=%d j=%d l=%d\n", i, j, l);
return EXIT_SUCCESS;
}
```
```
#include <stdio.h>
#include <stdlib.h>
int main() {
int i, j, k, l;
#pragma omp fuse looprange(2, 2)
{
#pragma omp fuse looprange(2, 2)
{
for (i = 0; i < 8; i++)
;
for (j = 0; j < 16; j++)
;
for (k = 0; k < 32; k++)
;
}
for (l = 0; l < 4; l++)
;
}
printf("i=%d j=%d k=%d l=%d\n", i, j, k, l);
return EXIT_SUCCESS;
}
```
https://github.com/llvm/llvm-project/pull/214717
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