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

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This commit is contained in:
Philippe Tillet
2020-05-02 17:30:15 -04:00
committed by Philippe Tillet
parent 54805596f5
commit c73dee080c
1 changed files with 3 additions and 2 deletions
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5
lib/codegen/selection/generator.cc
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@@ -195,9 +195,10 @@ 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()){
visit_value(op);
if(dynamic_cast<ir::constant*>(op) || !dynamic_cast<ir::phi_node*>(v))
visit_value(op);
}
// change insert point for phi node
builder_->SetInsertPoint(current);