Erik Eckstein 5b23df7cd8 SLPVectorizer: Cache results from memory alias checking.
This speeds up the dependency calculations for blocks with many load/store/call instructions.
Beside the improved runtime, there is no functional change.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@225786 91177308-0d34-0410-b5e6-96231b3b80d8
2015-01-13 11:37:51 +00:00
..
2014-12-09 18:38:53 +00:00