Jakob Stoklund Olesen b613ae2c89 Add a -regalloc=default option that chooses a register allocator based on the -O ...

optimization level.

This only really affects llc for now because both the llvm-gcc and clang front
ends override the default register allocator. I intend to remove that code later.

llvm-svn: 104904

2010-05-27 23:57:25 +00:00

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