| /* This was a missed optimization in tree constant propagation |
| that CSE would catch later on. */ |
| /* { dg-do compile } */ |
| /* { dg-options "-O -fdump-tree-dce3" } */ |
| |
| double _Complex *a; |
| static const double _Complex b[10] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}; |
| |
| void |
| test (void) |
| { |
| a[0] = b[0] + b[1]; |
| a[1] = b[0] + b[1]; |
| return; |
| } |
| |
| /* After DCE2 which runs after FRE, the expressions should be fully |
| constant folded. There should be no loads from b left. */ |
| /* { dg-final { scan-tree-dump-times {(?n)REALPART_EXPR.*= 1\.0e\+0} 2 "dce3" } } */ |
| /* { dg-final { scan-tree-dump-times {(?n)IMAGPART_EXPR.*= 0\.0} 2 "dce3" } } */ |
| /* { dg-final { scan-tree-dump-times "= b" 0 "dce3" } } */ |
