public PcodeOp[] getInstructionPcode(Instruction instruction) {
		PcodeOp ops[] = pcodeCache.get(instruction.getMinAddress());
		if (ops == null) {
			ops = instruction.getPcode(true);
			pcodeCache.put(instruction.getMinAddress(), ops);
		}
		return ops;
	}
Check that we haven't hit a run of the same exact instruction.
   Uses hashcodes in an attempt to be as fast as possible.
@param instr new instruction to check
@return true if we have hit the max number of exact same instructions.
Ghidra/Features/Base/src/main/java/ghidra/program/util/SymbolicPropogator.java