Nick Lewycky 0aa53f2b52 Crash less. The i64 restriction in BinomialCoefficient caused some problems
with code that was expecting different bit widths for different values.

Make getTruncateOrZeroExtend a method on ScalarEvolution, and use it.

llvm-svn: 52248
2008-06-13 04:38:55 +00:00
..
2007-04-15 09:31:07 +00:00
2008-05-26 01:27:08 +00:00