[ARM] Factor out base-updating VLD/VST combiner function. NFC.
authorAhmed Bougacha <ahmed.bougacha@gmail.com>
Tue, 9 Dec 2014 21:30:00 +0000 (21:30 +0000)
committerAhmed Bougacha <ahmed.bougacha@gmail.com>
Tue, 9 Dec 2014 21:30:00 +0000 (21:30 +0000)
commitd9b12d3b114a7a1f175b727cd13cd7ee9103bff9
tree858503ccdf0d2934cdbd179b90fa8fa6b59fbc31
parenta1aa4d3b36a5004e381b6101b121283ef0e1ecd9
[ARM] Factor out base-updating VLD/VST combiner function. NFC.

Move the combiner-state check into another function, add a few
small comments, and use a more general type in a cast<>.

In preparation for a future patch.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223834 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/ARM/ARMISelLowering.cpp