[PATCH] Refactor and enhance FMA combine

[Olivier Sallenave]

Added comment about the canonicalization and the issue with orthogonal flags -fp-contract=fast and -enable-unsafe-fp-math. Thanks!


http://reviews.llvm.org/D8050

Files:
  lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  test/CodeGen/PowerPC/fma-assoc.ll
  test/CodeGen/PowerPC/fma-ext.ll

EMAIL PREFERENCES
  http://reviews.llvm.org/settings/panel/emailpreferences/
-------------- next part --------------
A non-text attachment was scrubbed...
Name: D8050.23179.patch
Type: text/x-patch
Size: 36153 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20150402/498748bd/attachment.bin>