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2 Commits

Author SHA1 Message Date
Dan Gohman
812d7506d0 Enable anti-dependence breaking by default when post-RA scheduling is enabled. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61078 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-16 06:21:45 +00:00
Dan Gohman
21d9003087 Initial support for anti-dependence breaking. Currently this code does not 
introduce any new spilling; it just uses unused registers.

Refactor the SUnit topological sort code out of the RRList scheduler and
make use of it to help with the post-pass scheduler.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59999 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-25 00:52:40 +00:00