/* { dg-do compile { target {{ i?86-*-* x86_64-*-* } && lp64 } } } */ /* { dg-options "-O2 -fno-tree-loop-vectorize -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"} } */ /* { dg-final { cleanup-tree-dump "ivopts" } } */