[PATCH] [x32] Fix FrameIndex check in SelectLEA64_32Addr

[Pavel Chupin]

It's appeared that last version of patch is not correct because both needsStackRealignment and Opc == X86::LEA64_32r can be true at the same time. Making this check separate again and adding test revealing that.
Please review.

http://reviews.llvm.org/D4929

Files:
  lib/Target/X86/X86ISelDAGToDAG.cpp
  lib/Target/X86/X86RegisterInfo.cpp
  test/CodeGen/X86/lea-2.ll
  test/CodeGen/X86/lea-3.ll
  test/CodeGen/X86/lea-4.ll
  test/CodeGen/X86/lea-5.ll
  test/CodeGen/X86/lea.ll
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