[llvm] [AArch64][DAG] Port adde and sube combine to AArch64 (PR #202227)

[via llvm-commits]

zip-stack-debug wrote:

> > <img alt="Screenshot 2026-07-03 at 3 26 50 PM" width="1135" height="566" src="https://private-user-images.githubusercontent.com/291589940/616986929-221f5c76-dab2-48d1-bad5-88ed4750e245.png?jwt=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpc3MiOiJnaXRodWIuY29tIiwiYXVkIjoicmF3LmdpdGh1YnVzZXJjb250ZW50LmNvbSIsImtleSI6ImtleTUiLCJleHAiOjE3ODMxNTQxODEsIm5iZiI6MTc4MzE1Mzg4MSwicGF0aCI6Ii8yOTE1ODk5NDAvNjE2OTg2OTI5LTIyMWY1Yzc2LWRhYjItNDhkMS1iYWQ1LTg4ZWQ0NzUwZTI0NS5wbmc_WC1BbXotQWxnb3JpdGhtPUFXUzQtSE1BQy1TSEEyNTYmWC1BbXotQ3JlZGVudGlhbD1BS0lBVkNPRFlMU0E1M1BRSzRaQSUyRjIwMjYwNzA0JTJGdXMtZWFzdC0xJTJGczMlMkZhd3M0X3JlcXVlc3QmWC1BbXotRGF0ZT0yMDI2MDcwNFQwODMxMjFaJlgtQW16LUV4cGlyZXM9MzAwJlgtQW16LVNpZ25hdHVyZT1hY2E3NDQ0ZDg3OTQ4MWYxNzNmYmM0MWIyYzFhZWM3ZjhkOGM1MDliZjI3MGU0MTUzNWI4YTVlYWUxMmVlMzg0JlgtQW16LVNpZ25lZEhlYWRlcnM9aG9zdCZyZXNwb25zZS1jb250ZW50LXR5cGU9aW1hZ2UlMkZwbmcifQ.5Y8sSSuWveuh4imEfk0QS5JwWGnqR77NNJT7XfiTnY0"> @rj-jesus
> 
> Thanks. Are there CPUs where MOV.W is faster than MOV.X? Otherwise both versions seem equivalent to me.

Not to my knowledge. Anyway, this is all ready now.

https://github.com/llvm/llvm-project/pull/202227