[llvm] [SandboxVec][BottomUpVec] Implement pack of scalars (PR #115549)

[Florian Hahn via llvm-commits]

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@@ -31,7 +31,8 @@ class BottomUpVec final : public FunctionPass {
   /// \p Bndl. \p Operands are the already vectorized operands.
   Value *createVectorInstr(ArrayRef<Value *> Bndl, ArrayRef<Value *> Operands);
   void tryEraseDeadInstrs();
-  Value *vectorizeRec(ArrayRef<Value *> Bndl);
+  Value *createPack(ArrayRef<Value *> ToPack);
+  Value *vectorizeRec(ArrayRef<Value *> Bndl, unsigned Depth);
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fhahn wrote:

All those should be documented?

https://github.com/llvm/llvm-project/pull/115549