MiIsImportOptimizationEnabled

BOOL __stdcall MiIsImportOptimizationEnabled(){
  BOOL result; 
  result = KiSpeculationFeatures >> 26;
  LOBYTE(result) = (KiSpeculationFeatures & 0x4000000) != 0;
  return result;
}

Referenced by:

MiApplyImportOptimizationToRuntimeDriver
MiMapSystemImageWithLargePage
MiParseImageLoadConfig
MmHasImageBeenImportOptimized