| /* { dg-do compile } */ |
| /* { dg-options "-O2 -fdump-tree-dse1-details -fno-short-enums -fno-tree-fre" } */ |
| /* { dg-skip-if "we want a BIT_FIELD_REF from fold_truth_andor" { ! lp64 } } */ |
| /* { dg-skip-if "temporary variable names are not x and y" { mmix-knuth-mmixware } } */ |
| |
| enum constraint_expr_type |
| { |
| SCALAR, DEREF, ADDRESSOF |
| }; |
| typedef struct constraint_expr |
| { |
| enum constraint_expr_type type; |
| unsigned int var; |
| long offset; |
| } constraint_expr ; |
| typedef struct constraint |
| { |
| struct constraint_expr lhs; |
| struct constraint_expr rhs; |
| } constraint; |
| static _Bool |
| constraint_expr_equal (struct constraint_expr x, struct constraint_expr y) |
| { |
| return x.type == y.type && x.var == y.var && x.offset == y.offset; |
| } |
| |
| _Bool |
| constraint_equal (struct constraint a, struct constraint b) |
| { |
| return constraint_expr_equal (a.lhs, b.lhs) |
| && constraint_expr_equal (a.rhs, b.rhs); |
| } |
| |
| /* { dg-final { scan-tree-dump-times "Deleted dead store: x = " 1 "dse1" } } */ |
| /* { dg-final { scan-tree-dump-times "Deleted dead store: y = " 1 "dse1" } } */ |
