[llvm] [IR][REVEC] Define llvm.vector.repeat intrinsic (PR #208212)

[Benjamin Maxwell via llvm-commits]

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In-Reply-To: <llvm.org/llvm/llvm-project/pull/208212 at github.com>


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@@ -3018,6 +3024,17 @@ SDValue DAGTypeLegalizer::PromoteIntOp_LOOP_DEPENDENCE_MASK(SDNode *N) {
   return SDValue(DAG.UpdateNodeOperands(N, NewOps), 0);
 }
 
+SDValue DAGTypeLegalizer::PromoteIntOp_VECTOR_REPEAT(SDNode *N) {
+  SDLoc DL(N);
+  SDValue Src = GetPromotedInteger(N->getOperand(0));
+  EVT SrcVT = Src.getValueType();
+  EVT OrigVT = N->getValueType(0);
+  EVT NewVT = EVT::getVectorVT(*DAG.getContext(), SrcVT.getVectorElementType(),
+                               OrigVT.getVectorElementCount());
----------------
MacDue wrote:

```suggestion
  EVT NewVT = OrigVT.changeVectorElementType(*DAG.getContext(), SrcVT.getVectorElementType());
```

https://github.com/llvm/llvm-project/pull/208212