[llvm] [GISEL] Add IRTranslation for shufflevector on scalable vector types (PR #80378)

[Craig Topper via llvm-commits]

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@@ -1063,8 +1063,8 @@ class MachineIRBuilder {
 
   /// Build and insert \p Res = G_BUILD_VECTOR with \p Src replicated to fill
   /// the number of elements
-  MachineInstrBuilder buildSplatVector(const DstOp &Res,
-                                       const SrcOp &Src);
+  MachineInstrBuilder buildBuildVectorSplatVector(const DstOp &Res,
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topperc wrote:

Maybe `buildSplatBuildVector`. Similar to SelectionDAG's `getSplatBuildVector`

https://github.com/llvm/llvm-project/pull/80378