[llvm] [RISCV] Fold vector shift of sext/zext to widening multiply (PR #121563)

[Piotr Fusik via llvm-commits]

================
@@ -17341,6 +17341,85 @@ static SDValue combineScalarCTPOPToVCPOP(SDNode *N, SelectionDAG &DAG,
   return DAG.getZExtOrTrunc(Pop, DL, VT);
 }
 
+static SDValue combineSHL(SDNode *N, TargetLowering::DAGCombinerInfo &DCI,
----------------
pfusik wrote:

Renamed, thanks!

https://github.com/llvm/llvm-project/pull/121563