[llvm] [RISCV] add computeKnownBitsForTargetNode for RISCVISD::SRLW (PR #155995)

[Simon Pilgrim via llvm-commits]

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@@ -21276,6 +21276,7 @@ void RISCVTargetLowering::computeKnownBitsForTargetNode(const SDValue Op,
                                                         const APInt &DemandedElts,
                                                         const SelectionDAG &DAG,
                                                         unsigned Depth) const {
+  errs() << "computeKnownBitsForTargetNode\n";
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RKSimon wrote:

remove your debugging code :) 

https://github.com/llvm/llvm-project/pull/155995