[PATCH] Thumb2: Modify codegen for memcpy intrinsic to prefer LDM/STM.

[Peter Collingbourne]

- Fix Thumb-1
- Evenly distribute registers among MCOPYs
- Add MCOPY to ARMTargetLowering::getTargetNodeName
- Improve comments
- Improve test


http://reviews.llvm.org/D9508

Files:
  lib/Target/ARM/ARMISelLowering.cpp
  lib/Target/ARM/ARMISelLowering.h
  lib/Target/ARM/ARMInstrInfo.td
  lib/Target/ARM/ARMSelectionDAGInfo.cpp
  lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp
  lib/Target/ARM/Thumb2SizeReduction.cpp
  test/CodeGen/Thumb/ldm-stm-base-materialization.ll
  test/CodeGen/Thumb/thumb-memcpy-ldm-stm.ll

EMAIL PREFERENCES
  http://reviews.llvm.org/settings/panel/emailpreferences/
-------------- next part --------------
A non-text attachment was scrubbed...
Name: D9508.26554.patch
Type: text/x-patch
Size: 16134 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20150526/5654e112/attachment.bin>