| // PR target/92038 |
| // { dg-do compile { target int32 } } |
| // { dg-require-effective-target store_merge } |
| // { dg-options "-O2 -flifetime-dse=2 -fdump-tree-store-merging-details" } |
| // { dg-final { scan-tree-dump "New sequence of 2 stores to replace old one of 3 stores" "store-merging" } } |
| |
| /* The alignment is necessary for store-merging to take place on |
| strict-alignment targets. */ |
| struct __attribute__ ((__aligned__ (4))) T { char a[128]; }; |
| struct S { S () : a () { a.a[12] = 0; a.a[13] = 1; a.a[14] = 0; a.a[15] = 6; } T a; }; |
| void foo (S &); |
| void bar (void) { S s; foo (s); } |
