File: ivopt_2.c

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gcc-arm-none-eabi 15%3A8-2019-q3-1
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/* { dg-do compile { target {{ i?86-*-* x86_64-*-* } && lp64 } } } */
/* { dg-options "-O2 -m64 -fdump-tree-ivopts" } */

#define TYPE char*

/* Testing on the given target, only one iv candidate instead of 3.  */
void foo (int i_width, TYPE dst, TYPE src1, TYPE src2)
{
      int x;
       for( x = 0; x < i_width; x++ )
       {
           *dst++ = ( *src1++ + *src2++ + 1 ) >> 1;
       }
}

/* { dg-final { scan-tree-dump-times "ivtmp.\[0-9_\]* = PHI <" 1 "ivopts"} } */