Reid Kleckner c277ab08a2 Fix integer overflow in instruction scheduling. This can happen if we have
basic blocks that are so long that their size overflows a short.

Also assert that overflow does not happen in the future, as requested by Evan.

This fixes PR4401.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83159 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-30 20:15:38 +00:00
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2009-09-02 01:14:16 +00:00
2009-09-29 20:42:25 +00:00
2009-09-21 05:52:45 +00:00