gcc/testsuite/g++.dg/tree-ssa/tmmti-2.C

   1 /* { dg-do compile } */
   2 /* { dg-options { -O -fdump-tree-optimized } } */
   3
   4 int a[4][8];
   5
   6 int foo(int i)
   7 {
   8         return *(&a[0][0] + i*8); // a[i][0]
   9 }
  10
  11 struct Foo { double x, y; };
  12
  13 Foo b[4];
  14
  15 double bar(int i)
  16 {
  17         return *(&b[0].x + i*2); // b[i].x
  18 }
  19
  20 /* { dg-final { scan-tree-dump "a\\\[.*i.*\\\]\\\[0\\\]" "optimized" { xfail *-*-* } } } */
  21 /* { dg-final { scan-tree-dump "b\\\[.*i.*\\\].x" "optimized" } } */
  22 /* { dg-final { cleanup-tree-dump "optimized" } } */