private void handleUnassociatedParameters() {
    int szSsaRegs = ssaMeth.getRegCount();

    for (int ssaReg = 0; ssaReg < szSsaRegs; ssaReg++) {
      if (ssaRegsMapped.get(ssaReg)) {
        // We already did this one above
        continue;
      }

      int paramIndex = getParameterIndexForReg(ssaReg);

      RegisterSpec ssaSpec = getDefinitionSpecForSsaReg(ssaReg);
      if (paramIndex >= 0) {
        addMapping(ssaSpec, paramIndex);
      }
    }
  }
Maps any parameter that isn't local-associated, which can happen in the case where there is no
java debug info.
android/android_framework/dex-maker/src/main/java/com/android/dx/ssa/back/FirstFitLocalCombiningAllocator.java