[SLP]Moved NVPTX test under NVPTX directory, NFC.

llvm-svn: 350969

diff --git a/llvm/test/Transforms/SLPVectorizer/X86/non-vectorizable-intrinsic.ll b/llvm/test/Transforms/SLPVectorizer/NVPTX/non-vectorizable-intrinsic.ll
similarity index 100%
rename from llvm/test/Transforms/SLPVectorizer/X86/non-vectorizable-intrinsic.ll
rename to llvm/test/Transforms/SLPVectorizer/NVPTX/non-vectorizable-intrinsic.ll