[llvm-commits] [PATCH] Ephemeral values for LLVM invariants

[hfinkel at anl.gov]

Instructions that contribute only to the computation of invariants are considered to be 'ephemeral'; the inliner needs to understand that these are free.

http://llvm-reviews.chandlerc.com/D180

Files:
  include/llvm/Analysis/EphemeralValues.h
  include/llvm/Analysis/InlineCost.h
  include/llvm/Analysis/Passes.h
  include/llvm/InitializePasses.h
  lib/Analysis/Analysis.cpp
  lib/Analysis/CMakeLists.txt
  lib/Analysis/EphemeralValues.cpp
  lib/Analysis/InlineCost.cpp
  lib/Transforms/IPO/InlineSimple.cpp
  test/Analysis/EphemeralValues/lit.local.cfg
  test/Analysis/EphemeralValues/simple.ll
  test/Transforms/Inline/ephemeral.ll
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