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[/] [openrisc/] [trunk/] [gnu-stable/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [loop-16.c] - Rev 826

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/* A test for # of iterations estimation.  We know that the loop is executed
   at most 100 times, thus the (32-bit) induction variables do not overflow,
   and we may use 64-bit variable to represent them.  */
 
/* { dg-options "-O2 -fdump-tree-optimized" } */
/* { dg-do compile { target x86_64-*-* } } */
 
unsigned a[100];
 
void foo(unsigned n)
{
  unsigned i;
 
  for (i = 0; i < n; i++)
    a[i] = 4 * i;
}
 
/* Check that the memory reference was replaced with MEM, and that there is no
   multiplication.  */
 
/* { dg-final { scan-tree-dump-times "MEM" 1 "optimized" } } */
/* { dg-final { scan-tree-dump-times "\[^\\n\\r\]*= \\* " 0 "optimized" } } */
 
/* { dg-final { cleanup-tree-dump "optimized" } } */
 

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