1 /* { dg-do compile } */
2 /* { dg-options "-O -fno-tree-sra -fdump-tree-fre1-details" } */
3 
4 /* Should be optimized, propagating &a into (*p)[i].  */
5 
6 struct Foo
7 {
8   void *data;
9   double size;
10 };
11 void bar(double *);
foo(double (* q)[4])12 void foo(double (*q)[4])
13 {
14   struct Foo tmp1;
15   double a[4];
16   int i;
17   tmp1.data = &a;
18   for (i=0; i<4; ++i)
19     {
20       double (*p)[4] = tmp1.data;
21       (*p)[i] = (*q)[i];
22       /* We want a PHI for the VOP for accessing tmp1.data, so place
23  	 this store to tmp1 here.  */
24       tmp1.size -= 1.0;
25     }
26   bar(a);
27 }
28 
29 /* { dg-final { scan-tree-dump "Replaced" "fre1" } } */
30