[llvm] [AMDGPU][SDAG] Legalise v2i32 or/xor/and instructions to make use of 64-bit wide instructions (PR #140694)

[Chris Jackson via llvm-commits]

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@@ -4069,6 +4069,74 @@ SDValue AMDGPUTargetLowering::splitBinaryBitConstantOpImpl(
   return DAG.getNode(ISD::BITCAST, SL, MVT::i64, Vec);
 }
 
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chrisjbris wrote:

Thanks, I'm going to give implementing this a bash as it is a more elegant solution - I'm not ignoring your other comments!

https://github.com/llvm/llvm-project/pull/140694