Jakob Stoklund Olesen 5eb308b944 Lazily defer duplicating the live interval we are splitting until we know it is
necessary.

Sometimes, live range splitting doesn't shrink the current interval, but simply
changes some instructions to use a new interval. That makes the original more
suitable for spilling. In this case, we don't need to duplicate the original.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110481 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-06 22:17:33 +00:00
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2010-04-16 13:32:55 +00:00
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2010-01-09 18:40:31 +00:00
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\Low Level Virtual Machine (LLVM)
================================

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LLVM backend for 6502
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