Redirect DataLayout from TargetMachine to Module in SjLjEHPrepare

[mehdi_amini]

Summary

This change is part of a series of commits dedicated to have a single
DataLayout during compilation by using always the one owned by the
module.

[echristo]

LGTM.

-eric

[mehdi_amini]

landed

lib/CodeGen/StackProtector.cpp

if (!AT->getElementType()->isIntegerTy(8)) {
       // However, in strong mode any array, regardless of type and size,
       // triggers a protector.
       if (!Strong && (InStruct || !Trip.isOSDarwin()))
         return false;
     }
 
     // If an array has more than SSPBufferSize bytes of allocated space, then we
     // emit stack protectors.
-    if (SSPBufferSize <= TLI->getDataLayout()->getTypeAllocSize(AT)) {
+    if (SSPBufferSize <= M->getDataLayout().getTypeAllocSize(AT)) {
       IsLarge = true;
       return true;
     }
 
     if (Strong)
       // Require a protector for all arrays in strong mode
       return true;
   }