public static ExitPcodeOp exit(AddrCtx at) {
			return new ExitPcodeOp(PcodeOp.BRANCH, at);
		}
Construct a synthetic exit op

@param at the address and context value to set on the emulator when exiting the
           {@link JitCompiledPassage#run(int)} method
@return the op
Ghidra/Framework/Emulation/src/main/java/ghidra/pcode/emu/jit/JitPassage.java