[PATCH] [X86][FastIsel] Teach how to select vector load instructions.

[Andrea Di Biagio]

Patch updated.
Method 'X86FastEmitLoad' now takes as input an unsigned 'Alignment' value (instead of a 'bool Aligned'). We now select aligned vector loads only if Alignment is >= 16.
Added extra test cases in CodeGen/X86/fast-isel-vecload.ll to check that we correctly select "ABI aligned" vector loads.

Please let me know what you think.

Thanks again for your time!
-Andrea


http://reviews.llvm.org/D8605

Files:
  lib/Target/X86/X86FastISel.cpp
  test/CodeGen/X86/fast-isel-vecload.ll

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