diff options
Diffstat (limited to 'elaborate.cxx')
| -rw-r--r-- | elaborate.cxx | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/elaborate.cxx b/elaborate.cxx index 26786c00..2f246e2c 100644 --- a/elaborate.cxx +++ b/elaborate.cxx @@ -1713,6 +1713,7 @@ struct dead_assignment_remover: public traversing_visitor // called with null current_expr. void visit_assignment (assignment* e); + void visit_binary_expression (binary_expression* e); void visit_arrayindex (arrayindex* e); void visit_functioncall (functioncall* e); void visit_if_statement (if_statement* e); @@ -1743,6 +1744,7 @@ dead_assignment_remover::visit_assignment (assignment* e) { expression** last_expr = current_expr; e->left->visit (this); + current_expr = &e->right; e->right->visit (this); current_expr = last_expr; if (vut.read.find(leftvar) == vut.read.end()) // var never read? @@ -1776,6 +1778,17 @@ dead_assignment_remover::visit_assignment (assignment* e) } void +dead_assignment_remover::visit_binary_expression (binary_expression* e) +{ + expression** last_expr = current_expr; + current_expr = &e->left; + e->left->visit (this); + current_expr = &e->right; + e->right->visit (this); + current_expr = last_expr; +} + +void dead_assignment_remover::visit_arrayindex (arrayindex *e) { symbol *array = NULL; |