[llvm] [DAGCombiner][RISCV] Add target hook to decide hoisting LogicOp with extension (PR #136677)

[Luke Lau via llvm-commits]

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@@ -5981,6 +5981,9 @@ SDValue DAGCombiner::hoistLogicOpWithSameOpcodeHands(SDNode *N) {
          HandOpcode == ISD::ANY_EXTEND_VECTOR_INREG) &&
         LegalTypes && !TLI.isTypeDesirableForOp(LogicOpcode, XVT))
       return SDValue();
+    // If it is not desirable to hoist LogicOp with extension.
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lukel97 wrote:

You can probably drop the comment, I think the name of the hook explains it well enough

https://github.com/llvm/llvm-project/pull/136677