[llvm] [TableGen] Make sure BitWidth is set evem if all instructions are Pseudo or TargetOpcode (PR #124071)

[Craig Topper via llvm-commits]

topperc wrote:

> > What is the use case for a target with only TargetOpcode and Pseudos?
> 
> I'm experimenting with moving the DirectX backend to GlobalIsel. Since DXIL is just LLVMIR 3.7 Most everything we need is covered via TargetOpcodes.

Do you need to include the GenMCCodeEmitter.inc file? Is there something else in it you need?

https://github.com/llvm/llvm-project/pull/124071