[CODEGEN] Fixed bug for phi nodes with constant incoming value

2020-05-02 17:30:15 -04:00
parent 54805596f5
commit c73dee080c
1 changed files with 3 additions and 2 deletions
--- a/lib/codegen/selection/generator.cc
+++ b/lib/codegen/selection/generator.cc
@@ -195,8 +195,9 @@ void generator::visit_value(ir::value* v) {
  // visit operands
  BasicBlock *current = builder_->GetInsertBlock();
  auto *inst = dynamic_cast<ir::instruction*>(v);
-  if(inst && !dynamic_cast<ir::phi_node*>(v))
+  if(inst)
    for(ir::value *op: inst->ops()){
+      if(dynamic_cast<ir::constant*>(op) || !dynamic_cast<ir::phi_node*>(v))
        visit_value(op);
    }
  // change insert point for phi node