[PATCH] D19338: New code hoisting pass based on GVN (optimistic approach)

[Sebastian Pop via llvm-commits]

sebpop updated this revision to Diff 55095.
sebpop added a comment.

The updated patch computes partial hoisting locations for a subset of expressions, and also hoists stores and function calls.
Here are the stats for a build of the spec2006:
Number of hoisted instructions: 24021
Number of instructions removed: 74080


http://reviews.llvm.org/D19338

Files:
  llvm/include/llvm/InitializePasses.h
  llvm/include/llvm/LinkAllPasses.h
  llvm/include/llvm/Transforms/Scalar.h
  llvm/include/llvm/Transforms/Scalar/GVN.h
  llvm/lib/Passes/PassRegistry.def
  llvm/lib/Transforms/IPO/PassManagerBuilder.cpp
  llvm/lib/Transforms/Scalar/CMakeLists.txt
  llvm/lib/Transforms/Scalar/GVNHoist.cpp
  llvm/lib/Transforms/Scalar/Scalar.cpp
  llvm/lib/Transforms/Utils/SimplifyCFG.cpp
  llvm/test/Transforms/GVN/hoist.ll

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