Add test case for r256433. "[X86] Fix shuffle decoding for variable VPERMIL to be tolerant of the Constant type not matching due to folding in the constant pool and to get VPERMILPD correct."
Add test case for r256433. "[X86] Fix shuffle decoding for variable VPERMIL to be tolerant of the Constant type not matching due to folding in the constant pool and to get VPERMILPD correct."

git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@256435 91177308-0d34-0410-b5e6-96231b3b80d8

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