// First pIdx points to Instruction just before Invocation
int pIdx = invocationIndex - 1;
// for (int i = 0; i < argList.length; i++) {
for (int i = argList.length - 1; i >= 0; i--) {
int stackUsage = ins.stackConsumption();
InstructionList pList = il.createEmptyList();
boolean primitive = SignatureUtil.isPrimitive(paramTypes[i]);
Instruction pr_ins = null;