[X86] Remove some operations from the default Expand all vector ops loop. Instead let them stay Legal and mark them Expand for specific types where needed. Reduces overall number of calls to setOperationAction. NFC
[X86] Remove some operations from the default Expand all vector ops loop. Instead let them stay Legal and mark them Expand for specific types where needed. Reduces overall number of calls to setOperationAction. NFC

git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@266961 91177308-0d34-0410-b5e6-96231b3b80d8

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