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