[llvm-dev] [debug support] Why do constant SD nodes not set the IROrder?

[Gautam Chakrabarti via llvm-dev]

Updating the subject line.

From: llvm-dev <llvm-dev-bounces at lists.llvm.org> On Behalf Of Gautam Chakrabarti via llvm-dev
Sent: Wednesday, March 28, 2018 11:58 PM
To: LLVM Dev <llvm-dev at lists.llvm.org>
Subject: [llvm-dev] Why do constant SD nodes not set the IROrder?

Specifically I would like to understand why ConstantSDNode and ConstantFPSDNode do not set the IR ordering like most other SDNode-s. These constant SD nodes also previously did not set the debugloc, but that got enabled (here: http://llvm.org/viewvc/llvm-project?view=revision&revision=237237).

These constant SD nodes hard-code the order to 0. Is this intentional, or just something that has not been handled yet? I have a case for debug support where I think this is needed.

Thanks,
Gautam

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