| /* { dg-do compile } */ |
| /* { dg-options "-O -fno-tree-sra -fdump-tree-fre1-details" } */ |
| |
| /* Should be optimized, propagating &a into (*p)[i]. */ |
| |
| struct Foo |
| { |
| void *data; |
| double size; |
| }; |
| void bar(double *); |
| void foo(double (*q)[4]) |
| { |
| struct Foo tmp1; |
| double a[4]; |
| int i; |
| tmp1.data = &a; |
| tmp1.size = 4; |
| for (i=0; i<4; ++i) |
| { |
| double (*p)[4] = tmp1.data; |
| (*p)[i] = (*q)[i]; |
| /* We want a PHI for the VOP for accessing tmp1.data, so place |
| this store to tmp1 here. */ |
| tmp1.size -= 1.0; |
| } |
| bar(a); |
| } |
| |
| /* { dg-final { scan-tree-dump "Replaced tmp1.data with &a" "fre1" } } */ |
| /* { dg-final { cleanup-tree-dump "fre1" } } */ |
