[PATCH] Prefer blendps over insertps codegen for one special case [X86]

[Sanjay Patel]

Patch updated based on feedback from Quentin:
Changed function attribute check from 'optsize' to 'minsize' (-Os vs. -Oz)


http://reviews.llvm.org/D8332

Files:
  lib/Target/X86/X86ISelLowering.cpp
  test/CodeGen/X86/sse41.ll

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