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

[Sebastian Pop via llvm-commits]

sebpop updated this revision to Diff 56360.
sebpop added a comment.

Update heuristic to avoid hoisting geps without hoisting their ld/st, and also avoid hoisting scalars past calls that could increase register pressure.


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/MemorySSA.cpp
  llvm/test/Transforms/GVN/hoist.ll

-------------- next part --------------
A non-text attachment was scrubbed...
Name: D19338.56360.patch
Type: text/x-patch
Size: 51685 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20160505/7671ff5c/attachment-0001.bin>