| /* { dg-do compile } */ |
| /* { dg-options "-O -fno-tree-sra --param max-aliased-vops=0 --param max-fields-for-field-sensitive=0 -fdump-tree-fre-details" } */ |
| |
| /* Should be optimized, propagating &a into (*p)[i] with parameters |
| --param max-aliased-vops=0 --param max-fields-for-field-sensitive=0 |
| which means max 1 VOP per stmt and no SFTs. */ |
| |
| struct Foo |
| { |
| void *data; |
| double size; |
| }; |
| void foo(double (*q)[4]) |
| { |
| struct Foo tmp1; |
| double a[4]; |
| int i; |
| tmp1.data = &a; |
| 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; |
| } |
| } |
| |
| /* { dg-final { scan-tree-dump "Replaced" "fre" } } */ |
| /* { dg-final { cleanup-tree-dump "fre" } } */ |
