if (Subtarget.hasNEON())
PM.add(createNEONPreAllocPass());
+ // Calculate and set max stack object alignment early, so we can decide
+ // whether we will need stack realignment (and thus FP).
+ PM.add(createARMMaxStackAlignmentCalculatorPass());
+
// FIXME: temporarily disabling load / store optimization pass for Thumb1.
if (OptLevel != CodeGenOpt::None && !Subtarget.isThumb1Only())
PM.add(createARMLoadStoreOptimizationPass(true));