Reid Kleckner 8ff5c19ebd 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.

llvm-svn: 83159
2009-09-30 20:15:38 +00:00
..
2009-09-12 22:24:25 +00:00
2009-09-20 06:58:54 +00:00
2009-09-30 15:23:38 +00:00