Hendrik Greving d4ba5e15f4 Add MachineModuleInfo constructor with external MCContext ...

Adds a constructor to MachineModuleInfo and MachineModuleInfoWapperPass that
takes an external MCContext. If provided, the external context will be used
throughout codegen instead of MMI's default one.

This enables external drivers to take ownership of data put on the MMI's context
during codegen. The internal context is used otherwise and destroyed upon
finish.

Differential Revision: https://reviews.llvm.org/D91313

2020-11-30 20:28:13 -08:00

11 KiB

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