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94119
2018 Mar 09
2
[SelectionDAG] DbgValue nodes aren't transferred
Hi,
I have a problem that dbg_value nodes are not transferred when integer DAG nodes are promoted. For example, an i32 add node is promoted to a i64 add node by DAGTypeLegalizer::PromoteIntegerResult and its dbg_value node is not transferred to the new node.
t9: i32 = add nsw t5, t8 --> t31: i64 = add t30, t7 ; the dbg_value node is not transferred to the new i64 add node.
For expansion,