Move the LowerMEMCPY and LowerMEMCPYCall to a common place.

[oota-llvm.git] / lib / Target / ARM / ARMISelLowering.cpp

diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp
index b7e37660a7b6cb5e988ba50ff294f6f52e12558c..bc2c7c3e1ef6bba5f262a74f33688ce2c867603b 100644 (file)
--- a/lib/Target/ARM/ARMISelLowering.cpp
+++ b/lib/Target/ARM/ARMISelLowering.cpp
@@ -1287,55 +1287,6 @@ static SDOperand LowerSRx(SDOperand Op, SelectionDAG &DAG,
   return DAG.getNode(ISD::BUILD_PAIR, MVT::i64, Lo, Hi);
 }
 
-SDOperand ARMTargetLowering::LowerMEMCPY(SDOperand Op, SelectionDAG &DAG) {
-  SDOperand ChainOp = Op.getOperand(0);
-  SDOperand DestOp = Op.getOperand(1);
-  SDOperand SourceOp = Op.getOperand(2);
-  SDOperand CountOp = Op.getOperand(3);
-  SDOperand AlignOp = Op.getOperand(4);
-  SDOperand AlwaysInlineOp = Op.getOperand(5);
-
-  bool AlwaysInline = (bool)cast<ConstantSDNode>(AlwaysInlineOp)->getValue();
-  unsigned Align = (unsigned)cast<ConstantSDNode>(AlignOp)->getValue();
-  if (Align == 0) Align = 1;
-
-  // If size is unknown, call memcpy.
-  ConstantSDNode *I = dyn_cast<ConstantSDNode>(CountOp);
-  if (!I) {
-    assert(!AlwaysInline && "Cannot inline copy of unknown size");
-    return LowerMEMCPYCall(ChainOp, DestOp, SourceOp, CountOp, DAG);
-  }
-
-  // If not DWORD aligned or if size is more than threshold, then call memcpy.
-  // The libc version is likely to be faster for the these cases. It can
-  // use the address value and run time information about the CPU.
-  // With glibc 2.6.1 on a core 2, coping an array of 100M longs was 30% faster
-  unsigned Size = I->getValue();
-  if (AlwaysInline ||
-      (Size <= Subtarget->getMaxInlineSizeThreshold() &&
-       (Align & 3) == 0))
-    return LowerMEMCPYInline(ChainOp, DestOp, SourceOp, Size, Align, DAG);
-  return LowerMEMCPYCall(ChainOp, DestOp, SourceOp, CountOp, DAG);
-}
-
-SDOperand ARMTargetLowering::LowerMEMCPYCall(SDOperand Chain,
-                                             SDOperand Dest,
-                                             SDOperand Source,
-                                             SDOperand Count,
-                                             SelectionDAG &DAG) {
-  MVT::ValueType IntPtr = getPointerTy();
-  TargetLowering::ArgListTy Args;
-  TargetLowering::ArgListEntry Entry;
-  Entry.Ty = getTargetData()->getIntPtrType();
-  Entry.Node = Dest; Args.push_back(Entry);
-  Entry.Node = Source; Args.push_back(Entry);
-  Entry.Node = Count; Args.push_back(Entry);
-  std::pair<SDOperand,SDOperand> CallResult =
-      LowerCallTo(Chain, Type::VoidTy, false, false, CallingConv::C, false,
-                  DAG.getExternalSymbol("memcpy", IntPtr), Args, DAG);
-  return CallResult.second;
-}
-
 SDOperand ARMTargetLowering::LowerMEMCPYInline(SDOperand Chain,
                                                SDOperand Dest,
                                                SDOperand Source,