Jakob Stoklund Olesen bde432b917 Transfer regmasks to MRI.
MRI keeps track of which physregs have been used. Make sure it gets
updated with all the regmask-clobbered registers.

Delete the closePhysRegsUsed() function which isn't necessary.

llvm-svn: 150830
2012-02-17 19:07:56 +00:00
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2012-02-17 19:07:56 +00:00