Move redundant-vf2-cost.ll test to X86 directory

redundant-vf2-cost.ll is X86 specific. Moved from
test/Transforms/LoopVectorize/redundant-vf2-cost.ll to
test/Transforms/LoopVectorize/X86/redundant-vf2-cost.ll

llvm-svn: 334854

diff --git a/llvm/test/Transforms/LoopVectorize/redundant-vf2-cost.ll b/llvm/test/Transforms/LoopVectorize/X86/redundant-vf2-cost.ll
similarity index 100%
rename from llvm/test/Transforms/LoopVectorize/redundant-vf2-cost.ll
rename to llvm/test/Transforms/LoopVectorize/X86/redundant-vf2-cost.ll