Michael Liao d21f701c76 [MIRPrinter] Add machine metadata support. ... - Distinct metadata needs generating in the codegen to attach correct AAInfo on the loads/stores after lowering, merging, and other relevant transformations. - This patch adds 'MachhineModuleSlotTracker' to help assign slot numbers to these newly generated unnamed metadata nodes. - To help 'MachhineModuleSlotTracker' track machine metadata, the original 'SlotTracker' is rebased from 'AbstractSlotTrackerStorage', which provides basic interfaces to create/retrive metadata slots. In addition, once LLVM IR is processsed, additional hooks are also introduced to help collect machine metadata and assign them slot numbers. - Finally, if there is any such machine metadata, 'MIRPrinter' outputs an additional 'machineMetadataNodes' field containing all the definition of those nodes. Reviewed By: arsenm Differential Revision: https://reviews.llvm.org/D103205		2021-06-19 12:48:08 -04:00
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CMakeLists.txt
MachineMetadata.cpp	[MIRPrinter] Add machine metadata support.	2021-06-19 12:48:08 -04:00