RFR: 8374789: C2: refactor GraphKit code that create AddP nodes for raw memory to use helper method

[Guanqiang Han]

On Wed, 11 Feb 2026 06:13:23 GMT, Guanqiang Han <ghan at openjdk.org> wrote:

> This PR refactors GraphKit code that creates AddP nodes for raw memory to use a dedicated helper method. This avoids passing top() explicitly at call sites and improves readability.
> 
> Please review this change. Thanks!
> 
> **Test:** GHA

Hi @chhagedorn @rwestrel, I’ve refactored the GraphKit code that creates AddP nodes for raw memory as described in the PR(#28769). Could you please take a look? Thanks!

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PR Comment: https://git.openjdk.org/jdk/pull/29666#issuecomment-3883053193