Rafael Espindola 9dbbd87938 Move more logic to shouldTailDuplicate and only duplicate regular bb before
register allocation if it has a indirectbr or if we can duplicate it to
every predecessor.

This fixes the SingleSource/Benchmarks/Shootout-C++/matrix.cpp regression but
keeps the previous improvements to sunspider.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133682 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-23 03:41:29 +00:00
..
2011-06-22 20:56:56 +00:00
2011-06-22 19:52:36 +00:00