[llvm] [RISCV] Eliminate dead li after emitting VSETVLIs (PR #65934)

[Craig Topper via llvm-commits]

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@@ -1255,6 +1258,12 @@ void RISCVInsertVSETVLI::emitVSETVLIs(MachineBasicBlock &MBB) {
         MachineOperand &VLOp = MI.getOperand(getVLOpNum(MI));
         if (VLOp.isReg()) {
           // Erase the AVL operand from the instruction.
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topperc wrote:

This comment applies to the `setReg` and `setIsKill` call. Insert your code above it.

https://github.com/llvm/llvm-project/pull/65934