Jakob Stoklund Olesen 0c9e4f5f3f Only use clairvoyance when defining a register, and then only if it has one use.
This makes allocation independent on the ordering of use-def chains.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103935 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-17 04:50:57 +00:00
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2010-03-28 07:58:37 +00:00
2010-04-17 16:29:15 +00:00
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