[llvm] [GlobalIsel] Combine ADDO (PR #82927)

[Kai Nacke via llvm-commits]

Thorsten =?utf-8?q?Sch=C3=BCtt?= <schuett at gmail.com>,
Thorsten =?utf-8?q?Sch=C3=BCtt?= <schuett at gmail.com>
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In-Reply-To: <llvm.org/llvm/llvm-project/pull/82927 at github.com>


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@@ -429,6 +431,23 @@ class GAddSubCarryOut : public GBinOpCarryOut {
   }
 };
 
+/// Represents overflowing add operations.
+/// G_UADDO, G_SADDO
+class GAddCarryOut : public GBinOpCarryOut {
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redstar wrote:

`GAddSubCarryOut` has a `isSub()` method for that purpose.

https://github.com/llvm/llvm-project/pull/82927