Simon Pilgrim 35f528262f [DAGCombiner] Added SMAX/SMIN/UMAX/UMIN constant folding
We still need to add constant folding of vector comparisons to fold the tests for targets that don't support the respective min/max nodes

I needed to update 2011-12-06-AVXVectorExtractCombine to load a vector instead of using a constant vector to prevent it folding

Differential Revision: http://reviews.llvm.org/D12118

llvm-svn: 245503
2015-08-19 21:11:58 +00:00
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