[PATCH] Add intrinsics and SDNodes for umin, umax, smin and smax.

[James Molloy]

Hi Gerolf, hfinkel, reames,

Add intrinsics and SDNodes for umin, umax, smin and smax.

This adds new intrinsics for signed/unsigned min/max. The intention is that
these intrinsics will be matched late in CGP (in a followup patch).

This patch adds the nodes, as well as legalization support and sets them to
be "expand" for all targets.

Sanity of generated code is tested on AArch64.

REPOSITORY
  rL LLVM

http://reviews.llvm.org/D9293

Files:
  docs/LangRef.rst
  include/llvm/CodeGen/ISDOpcodes.h
  include/llvm/IR/Intrinsics.td
  include/llvm/Target/TargetSelectionDAG.td
  lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
  lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
  lib/CodeGen/SelectionDAG/LegalizeTypes.h
  lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp
  lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
  lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
  lib/CodeGen/SelectionDAG/SelectionDAGDumper.cpp
  lib/CodeGen/TargetLoweringBase.cpp
  test/CodeGen/AArch64/maxmin-expand.ll

EMAIL PREFERENCES
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