Stm8 target lowering - Githubissues

nrdmn / llvm-project

The LLVM Project is a collection of modular and reusable compiler and toolchain technologies.

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Stm8 target lowering #7

Open tyalie opened 8 months ago

tyalie commented 8 months ago

Okay. I'll make this short as I already went over all these things in #4.

This PR is there to track the progress on implementing the STM8 target lowering. This heavily relies on the STM8 calling convention (see #4).

There are a few TODOs here that need to finished so that the implementation here can be seen as working.

TODOs

[ ] implement LowerReturn
- currently very stupid, doesn't do anything
[ ] implement LowerFormalArguments
- also just a stub rn
[ ] implement LowerCall
[ ] the implementations in STM8CallingConv.td need to be verified and tested
[ ] mention how to handle instruction with setOperationAction in initializer