Don't read the SP when getting argument values from registers in case the SP isn't available. We don't want the availability of SP to limit when we get get arguments from registers.
Don't read the SP when getting argument values from registers in case the SP isn't available. We don't want the availability of SP to limit when we get get arguments from registers.



git-svn-id: 4c4cc70b1ef44ba2b7963015e681894188cea27e@170476 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/lldb,llvm-mirror/lldb,apple/swift-lldb,apple/swift-lldb,apple/swift-lldb,apple/swift-lldb,llvm-mirror/lldb,llvm-mirror/lldb,apple/swift-lldb,llvm-mirror/lldb,apple/swift-lldb