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Commit 9c47dac6 authored by Jakob Stoklund Olesen's avatar Jakob Stoklund Olesen
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Remove the SimpleJoin optimization from SimpleRegisterCoalescing. 

Measurements show that it does not speed up coalescing, so there is no reason
the keep the added complexity around.

Also clean out some unused methods and static functions.

llvm-svn: 106548
parent 2e2f4d2e
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