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- /* { dg-require-effective-target size32plus } */
- /* { dg-additional-options "-O2 -fopenmp -fdump-tree-vect-details" } */
- /* { dg-additional-options "-msse2" { target sse2_runtime } } */
- /* { dg-additional-options "-mavx" { target avx_runtime } } */
- /* { dg-final { scan-tree-dump-times "vectorized \[2-6] loops" 2 "vect" { target sse2_runtime } } } */
- extern void abort (void);
- int r, a[1024], b[1024], x, y, z;
- __attribute__((noipa)) void
- foo (int *a, int *b)
- {
- #pragma omp for simd reduction (inscan, +:r) lastprivate (conditional: z) firstprivate (x) private (y) simdlen(1)
- for (int i = 0; i < 1024; i++)
- {
- { b[i] = r; if ((i & 1) == 0 && i < 937) z = r; }
- #pragma omp scan exclusive(r)
- { y = a[i]; r += y + x + 12; }
- }
- }
- __attribute__((noipa)) int
- bar (void)
- {
- int s = 0;
- #pragma omp parallel
- #pragma omp for simd reduction (inscan, +:s) firstprivate (x) private (y) lastprivate (z) if (0)
- for (int i = 0; i < 1024; i++)
- {
- { y = s; b[i] = y + x + 12; }
- #pragma omp scan exclusive(s)
- { y = 2 * a[i]; s += y; z = y; }
- }
- return s;
- }
- __attribute__((noipa)) void
- baz (int *a, int *b)
- {
- #pragma omp parallel for simd reduction (inscan, +:r) firstprivate (x) lastprivate (x)
- for (int i = 0; i < 1024; i++)
- {
- b[i] = r;
- #pragma omp scan exclusive(r)
- { r += a[i]; if (i == 1023) x = 29; }
- }
- }
- __attribute__((noipa)) int
- qux (void)
- {
- int s = 0;
- #pragma omp parallel for simd reduction (inscan, +:s) lastprivate (conditional: x, y)
- for (int i = 0; i < 1024; i++)
- {
- { b[i] = s; if ((a[i] & 1) == 0 && i < 829) y = a[i]; }
- #pragma omp scan exclusive(s)
- { s += 2 * a[i]; if ((a[i] & 1) == 1 && i < 825) x = a[i]; }
- }
- return s;
- }
- int
- main ()
- {
- int s = 0;
- x = -12;
- for (int i = 0; i < 1024; ++i)
- {
- a[i] = i;
- b[i] = -1;
- asm ("" : "+g" (i));
- }
- #pragma omp parallel
- foo (a, b);
- if (r != 1024 * 1023 / 2 || x != -12 || z != b[936])
- abort ();
- for (int i = 0; i < 1024; ++i)
- {
- if (b[i] != s)
- abort ();
- else
- b[i] = 25;
- s += i;
- }
- if (bar () != 1024 * 1023 || x != -12 || z != 2 * 1023)
- abort ();
- s = 0;
- for (int i = 0; i < 1024; ++i)
- {
- if (b[i] != s)
- abort ();
- else
- b[i] = -1;
- s += 2 * i;
- }
- r = 0;
- baz (a, b);
- if (r != 1024 * 1023 / 2 || x != 29)
- abort ();
- s = 0;
- for (int i = 0; i < 1024; ++i)
- {
- if (b[i] != s)
- abort ();
- else
- b[i] = -25;
- s += i;
- }
- if (qux () != 1024 * 1023 || x != 823 || y != 828)
- abort ();
- s = 0;
- for (int i = 0; i < 1024; ++i)
- {
- if (b[i] != s)
- abort ();
- s += 2 * i;
- }
- return 0;
- }
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