private Set<Varnode> getCallOtherRetireVarnodes(JitBlock block, JitCallOtherOpIf op) {
		// Should not see inline-replaced ops here
		if (op.userop().isFunctional()) {
			return Set.of();
		}
		return vsm.getLiveVars(block);
	}
Get the varnodes that will be retired before the given callother

@param block the block containing the callother
@param op the callother op
@return the block's live varnodes, or empty, depending on the callother invocation strategy.
Ghidra/Framework/Emulation/src/main/java/ghidra/pcode/emu/jit/analysis/JitOpUseModel.java