[llvm] [AMDGPU] Extend type support for update_dpp intrinsic (PR #114597)

[Stanislav Mekhanoshin via llvm-commits]

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@@ -5514,15 +5521,22 @@ bool AMDGPULegalizerInfo::legalizeLaneOp(LegalizerHelper &Helper,
   LLT Ty = MRI.getType(DstReg);
   unsigned Size = Ty.getSizeInBits();
 
-  if (Size == 32) {
+  unsigned SplitSize =
+      (IID == Intrinsic::amdgcn_update_dpp && (Size % 64 == 0) &&
+       ST.hasDPALU_DPP() &&
+       AMDGPU::isLegalDPALU_DPPControl(MI.getOperand(4).getImm()))
+          ? 64
+          : 32;
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rampitec wrote:

Changed

https://github.com/llvm/llvm-project/pull/114597