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some_node_1
2016 Jun 04
4
Gluing arbitrary nodes together
Hello all,
I am working on adding atomics support to the AVR backend.
Because the target can only have one core, it is sufficient to:
- Save the status register
- Disable interrupts
- Do the nonatomic LOAD/STORE/SWAP/ADD
- Restore the status register
I’d really like to be able to do this at the IR level. What I want to do is
write a custom lowering hook to convert ISD::ATOMIC_LOAD