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Author SHA1 Message Date
Sanjay Patel b653de1ada Rename getMaximumUnrollFactor -> getMaxInterleaveFactor; also rename option names controlling this variable. 
"Unroll" is not the appropriate name for this variable. Clang already uses 
the term "interleave" in pragmas and metadata for this.

Differential Revision: http://reviews.llvm.org/D5066

llvm-svn: 217528
 2014-09-10 17:58:16 +00:00
Nadav Rotem c42f90b1f4 LoopVectorizer: Implement a new heuristics for selecting the unroll factor. 
We ignore the cpu frontend and focus on pipeline utilization. We do this because we
don't have a good way to estimate the loop body size at the IR level.

llvm-svn: 172964
 2013-01-20 05:24:29 +00:00