[llvm] [GlobalIsel] Combine G_PTR_ADD. (PR #95647)

Matt Arsenault via llvm-commits llvm-commits at lists.llvm.org
Fri Aug 16 11:32:55 PDT 2024


Thorsten =?utf-8?q?Schütt?= <schuett at gmail.com>,
Thorsten =?utf-8?q?Schütt?= <schuett at gmail.com>
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In-Reply-To: <llvm.org/llvm/llvm-project/pull/95647 at github.com>


arsenm wrote:

> Until we can show benefit this needs work (also AMDGPU regressions in the tests).

I have a hard time believing we don't need G_PTR_ADD + offsetting computation combines. Any indexing patterns resulting from introducing stack temporaries, and intrinsics that lower to pointer + offset would benefit 

https://github.com/llvm/llvm-project/pull/95647


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