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Thanks for help! I think that sign extension is not involved here. PromoteIntegerResult is called since i32 is not a legal type in my target and the legalizer promotes operations with i32 result type to i64 operations. I think that SetPromotedInteger seems to be a common place for all promotions like SetExpandedInteger. Jonas, I would appreciate it if you can guide me about whether my understanding is c...

Hi Sejong, Indeed, I think you are right and we should call transferDbgValues in SetPromotedInteger. I couldn’t immediately find a suitable in-tree test to verify this though. Can you check and let me know whether this works for your target? Thanks, Jonas > On Mar 13, 2018, at 7:45 PM, Se Jong Oh <sejooh at microsoft.com> wrote: > > Thanks for help! I think that sign extension is not involved here. PromoteIntegerResult is called since i32 is not a legal type in my target and the legalizer promotes operations with i32 result type to i64 operations. I t...

+ Adrian, Joshua + Jonas, since he contributed the transferDbgValues change in DAGTypeLegalizer::SetExpandedInteger > On Mar 8, 2018, at 5:44 PM, Se Jong Oh via llvm-dev <llvm-dev at lists.llvm.org> wrote: > > 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::PromoteIntegerR...

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, DAGTypeLegalizer::S...

...get by producing DEBUG_VALUEs correctly. I also tried a simple function with few operations and confirmed DEBUG_VALUEs which are not produced without trasferDbgValues in SetPromotedInteger. Thanks, Sejong From: jdevlieghere at apple.com <jdevlieghere at apple.com> Sent: Wednesday, March 14, 2018 4:07 AM To: Se Jong Oh <sejooh at microsoft.com> Cc: Vedant Kumar <vsk at apple.com>; llvm-dev at lists.llvm.org; Adrian Prantl <aprantl at apple.com>; pidgeot18 at gmail.com Subject: Re: [llvm-dev] [SelectionDAG] DbgValue nodes aren't transferred Hi Sejong, Indeed, I thi...