[X86] AMD Bobcat CPU (btver1) doesn't support XSAVE 
[X86] AMD Bobcat CPU (btver1) doesn't support XSAVE 

btver1 is a SSSE3/SSE4a only CPU - it doesn't have AVX and doesn't support XSAVE.

Differential Revision: http://reviews.llvm.org/D17683

git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@262782 91177308-0d34-0410-b5e6-96231b3b80d8

apple/swift-llvm,apple/swift-llvm,llvm-mirror/llvm,apple/swift-llvm,GPUOpen-Drivers/llvm,llvm-mirror/llvm,llvm-mirror/llvm,GPUOpen-Drivers/llvm,GPUOpen-Drivers/llvm,GPUOpen-Drivers/llvm,llvm-mirror/llvm,apple/swift-llvm,llvm-mirror/llvm,apple/swift-llvm,GPUOpen-Drivers/llvm,apple/swift-llvm,llvm-mirror/llvm,llvm-mirror/llvm,GPUOpen-Drivers/llvm,apple/swift-llvm,GPUOpen-Drivers/llvm,GPUOpen-Drivers/llvm,llvm-mirror/llvm,llvm-mirror/llvm,apple/swift-llvm