[PATCH] Take alignment into account in isSafeToLoadUnconditionally

[Artur Pilipenko]

================
Comment at: lib/Analysis/Loads.cpp:69
@@ +68,3 @@
+
+  // Require ABI alignment for loads without alignment specification
+  if (Align == 0)
----------------
reames wrote:
> Please clarify comment as to *why* we want this.  
That is a part of load specification:
"A value of 0 or an omitted align argument means that the operation has the ABI alignment for the target."

http://reviews.llvm.org/D10475

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