Sebastian Pop 9c2e9dc782 code hoisting pass based on GVN
This pass hoists duplicated computations in the program. The primary goal of
gvn-hoist is to reduce the size of functions before inline heuristics to reduce
the total cost of function inlining.

Pass written by Sebastian Pop, Aditya Kumar, Xiaoyu Hu, and Brian Rzycki.
Important algorithmic contributions by Daniel Berlin under the form of reviews.

Differential Revision: http://reviews.llvm.org/D19338

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@275561 91177308-0d34-0410-b5e6-96231b3b80d8
2016-07-15 13:45:20 +00:00
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2016-07-15 02:11:37 +00:00