/* { dg-do compile } */ /* { dg-require-effective-target vect_int } */ /* { dg-additional-options "-fdump-tree-optimized" } */ int a[4], b[4]; int foo () { int tem0 = a[0] + b[0]; int temx = tem0 * 17; /* this fails without a real need */ int tem1 = a[1] + b[1]; int tem2 = a[2] + b[2]; int tem3 = a[3] + b[3]; int temy = tem3 * 13; a[0] = tem0; a[1] = tem1; a[2] = tem2; a[3] = tem3; return temx / temy; } /* We should extract the live lane from the vectorized add rather than keeping the original scalar add. ??? Because of a too conservative check we fail for temx here. */ /* { dg-final { scan-tree-dump "optimized: basic block" "slp2" } } */ /* { dg-final { scan-tree-dump "extracting lane for live stmt" "slp2" } } */ /* { dg-final { scan-tree-dump-times "extracting lane for live stmt" 2 "slp2" { xfail *-*-* } } } */ /* { dg-final { scan-tree-dump-not "tem3_\[0-9\]\+ = " "optimized" } } */ /* { dg-final { scan-tree-dump-not "tem0_\[0-9\]\+ = " "optimized" { xfail *-*-* } } } */