[PATCH] D15510: [Polly] Unique value read accesses

[Michael Kruse via llvm-commits]

Meinersbur created this revision.
Meinersbur added reviewers: grosser, jdoerfert.
Meinersbur added subscribers: llvm-commits, pollydev.
Meinersbur added a project: Polly.

Keep at most one value read MemoryAccess per value and statement; multiple generated loads do not have any additional effect. As one such MemoryAccess can cater multiple uses within the statement, the AccessInstruction property is not unique any more and set to nullptr.

http://reviews.llvm.org/D15510

Files:
  include/polly/ScopInfo.h
  lib/Analysis/ScopInfo.cpp

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