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4.462995
2017 Nov 27
2
question: access IR class Instruction from DAG SDValue
I am working on llvm gpu backend. The instruction metadata can only get in IR (class instruction). In DAG stage, the instructions are reordered, so I cannot map the metadata to correct instruction if I cannot access instruction from DAG or MachineInstr structure.
> On Nov 26, 2017, at 11:02 PM, Ryan Taylor <ryta1203 at gmail.com> wrote:
>
> It might be a more useful to know what