[PATCH] LegalizeDAG: Try to use Overflow operations when expanding ADD/SUB

[Jan Vesely]

Hi resistor, adasgupt,

http://reviews.llvm.org/D6340

Files:
  lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
  test/CodeGen/Hexagon/adde.ll
  test/CodeGen/Hexagon/sube.ll
  test/CodeGen/NVPTX/add-128bit.ll
  test/CodeGen/R600/sub.ll
-------------- next part --------------
A non-text attachment was scrubbed...
Name: D6340.16434.patch
Type: text/x-patch
Size: 5312 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20141120/1256ed3c/attachment.bin>