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3 Commits

Author SHA1 Message Date
Sean Silva 284b0324e2 [PM] Avoid getResult on a higher level in LoopAccessAnalysis 
Note that require<domtree> and require<loops> aren't needed because they
come in implicitly via the loop pass manager.

llvm-svn: 274712
 2016-07-07 01:01:53 +00:00
Xinliang David Li 8a021317a2 [PM] Port LoopAccessInfo analysis to new PM 
It is implemented as a LoopAnalysis pass as 
discussed and agreed upon.

llvm-svn: 274452
 2016-07-02 21:18:40 +00:00
Matthew Simpson 6feebe9847 [LAA] Check independence of strided accesses before forward case 
This patch changes the order in which we attempt to prove the independence of
strided accesses. We previously did this after we knew the dependence distance
was positive. With this change, we check for independence before handling the
negative distance case. The patch prevents LAA from reporting forward
dependences for independent strided accesses.

This change was requested in the review of D19984.

llvm-svn: 270072
 2016-05-19 15:37:19 +00:00