[PATCH] D21246: [InstCombine] Add rule to fold away trunc of partial load

[Anna Thomas via llvm-commits]

anna set the repository for this revision to rL LLVM.
anna updated this revision to Diff 61365.
anna added a comment.

Added function `FindAvailableMemoryContents`, which returns the partial or full value at memory location accessed by load.


Repository:
  rL LLVM

http://reviews.llvm.org/D21246

Files:
  include/llvm/Analysis/Loads.h
  lib/Analysis/Loads.cpp
  lib/Transforms/InstCombine/InstCombineCasts.cpp
  test/Transforms/InstCombine/trunc.ll

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