[PATCH] [x86] fix allowsMisalignedMemoryAccess() implementation

[Quentin Colombet]

================
Comment at: lib/Target/X86/X86ISelLowering.cpp:1802
@@ +1801,3 @@
+  if (Fast) {
+    if (Alignment == 0 || Alignment >= VT.getSizeInBits() / 8)
+      *Fast = true;
----------------
Shouldn't we check the alignment from the data layout?

http://reviews.llvm.org/D10662

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