llvm/lib/Transforms
Sebastian Pop 4df990e9af GVN-hoist: limit hoisting depth (PR28670)
This patch adds an option to specify the maximum depth in a BB at which to
consider hoisting instructions.  Hoisting instructions from a deeper level is
not profitable as it increases register pressure and compilation time.

Differential Revision: https://reviews.llvm.org/D22772

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@276713 91177308-0d34-0410-b5e6-96231b3b80d8
2016-07-26 00:15:08 +00:00
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