[llvm] [WebAssembly] [Backend] Draft pull request for #129441 (PR #145108)

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badumbatish wrote:

> > I'm unsure why the hook for AND is not triggered when there are AND nodes as input to SelectionDAG.
> 
> For the generic DAG nodes like ISD::AND you need to tell SelectionDAG that your target wants to perform custom combines on them by calling `setTargetDAGCombine(ISD::AND);` somewhere in the `WebAssemblyTargetLowering` constructor. Does that fix what you're seeing?

it works now! thank you!

https://github.com/llvm/llvm-project/pull/145108