gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/slsr-3.c


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/* { dg-do compile } */
/* { dg-options "-O3 -fdump-tree-optimized" } */

int
foo (int a[], int b[], int i)
{
  a[i] = b[i] + 2;
  i++;
  a[i] = b[i] + 2;
  i++;
  a[i] = b[i] + 2;
  i++;
  a[i] = b[i] + 2;
  i++;
  return i;
}

/* { dg-final { scan-tree-dump-times "\\* 4" 1 "optimized" { target { int32 } } } } */
/* { dg-final { scan-tree-dump-times "\\* 2" 1 "optimized" { target { int16 } } } } */
/* { dg-final { scan-tree-dump-times "\\+ 2|\\, 2>" 5 "optimized" { target { int16 } } } } */
/* { dg-final { scan-tree-dump-times "\\+ 4|\\, 4>" 2 "optimized" } } */
/* { dg-final { scan-tree-dump-times "\\+ 8|\\, 8>" 1 "optimized" { target { int32plus } } } } */
/* { dg-final { scan-tree-dump-times "\\+ 6|\\, 6>" 1 "optimized" { target { int16 } } } } */
/* { dg-final { scan-tree-dump-times "\\+ 12|\\, 12>" 1 "optimized" { target { int32 } } } } */
/* { dg-final { cleanup-tree-dump "optimized" } } */