[llvm] [LegalizeTypes] Use VP_AND and VP_SHL/VP_SRA to promote operands fo VP arithmetic. (PR #92799)

[Philip Reames via llvm-commits]

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@@ -1540,6 +1540,25 @@ SDValue SelectionDAG::getZeroExtendInReg(SDValue Op, const SDLoc &DL, EVT VT) {
   return getNode(ISD::AND, DL, OpVT, Op, getConstant(Imm, DL, OpVT));
 }
 
+SDValue SelectionDAG::getVPZeroExtendInReg(SDValue Op, SDValue Mask,
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preames wrote:

Can you land the first commit in the stack (the NFC), and then rebase?

https://github.com/llvm/llvm-project/pull/92799