| /* { dg-do compile } */ |
| /* { dg-options "-O1 -fdump-tree-optimized -fdump-tree-esra-details" } */ |
| |
| typedef struct teststruct |
| { |
| double d; |
| int i1; |
| char c1; |
| float z; |
| char c2; |
| int i2; |
| } teststruct; |
| |
| void link_error (void); |
| |
| void cow (int i) |
| { |
| teststruct a, b, c, d; |
| |
| a.d = 3.2; |
| a.i1 = i; |
| |
| b = a; |
| c = b; |
| d = c; |
| |
| if (d.i1 != i) |
| link_error (); |
| } |
| |
| |
| /* Suaccesses of b and c should have been created. */ |
| /* { dg-final { scan-tree-dump "expr = b.d" "esra"} } */ |
| /* { dg-final { scan-tree-dump "expr = b.i1" "esra"} } */ |
| /* { dg-final { scan-tree-dump "expr = c.d" "esra"} } */ |
| /* { dg-final { scan-tree-dump "expr = c.i1" "esra"} } */ |
| |
| /* There should be no reference to link_error. */ |
| /* { dg-final { scan-tree-dump-times "link_error" 0 "optimized"} } */ |
