llvm-svn: 12188

llvm-svn: 12187

llvm-svn: 12072

llvm-svn: 12063

Add a spiller option to llc. A simple spiller will come soon. When we get CFG in the machine code represenation a global spiller will also be possible. Also document the linear scan register allocator but mark it as experimental for now.

llvm-svn: 12062

* Removed unnecessary tabs in the entire file

llvm-svn: 12051

llvm-svn: 12050

llvm-svn: 11908

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a bunch of stuff!  :)

llvm-svn: 11822

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