Move isConsecutiveLoad to SelectionDAG. It's not target dependent and it's primary used by selectdag passes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90922 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 0 insertions, 42 deletions

diff --git a/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index 68bc2d6306..d7eb9f8852 100644
--- a/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -2184,48 +2184,6 @@ bool TargetLowering::isGAPlusOffset(SDNode *N, GlobalValue* &GA,
 }
 
 
-/// isConsecutiveLoad - Return true if LD is loading 'Bytes' bytes from a 
-/// location that is 'Dist' units away from the location that the 'Base' load 
-/// is loading from.
-bool TargetLowering::isConsecutiveLoad(LoadSDNode *LD, LoadSDNode *Base, 
-                                       unsigned Bytes, int Dist, 
-                                       const MachineFrameInfo *MFI) const {
-  if (LD->getChain() != Base->getChain())
-    return false;
-  EVT VT = LD->getValueType(0);
-  if (VT.getSizeInBits() / 8 != Bytes)
-    return false;
-
-  SDValue Loc = LD->getOperand(1);
-  SDValue BaseLoc = Base->getOperand(1);
-  if (Loc.getOpcode() == ISD::FrameIndex) {
-    if (BaseLoc.getOpcode() != ISD::FrameIndex)
-      return false;
-    int FI  = cast<FrameIndexSDNode>(Loc)->getIndex();
-    int BFI = cast<FrameIndexSDNode>(BaseLoc)->getIndex();
-    int FS  = MFI->getObjectSize(FI);
-    int BFS = MFI->getObjectSize(BFI);
-    if (FS != BFS || FS != (int)Bytes) return false;
-    return MFI->getObjectOffset(FI) == (MFI->getObjectOffset(BFI) + Dist*Bytes);
-  }
-  if (Loc.getOpcode() == ISD::ADD && Loc.getOperand(0) == BaseLoc) {
-    ConstantSDNode *V = dyn_cast<ConstantSDNode>(Loc.getOperand(1));
-    if (V && (V->getSExtValue() == Dist*Bytes))
-      return true;
-  }
-
-  GlobalValue *GV1 = NULL;
-  GlobalValue *GV2 = NULL;
-  int64_t Offset1 = 0;
-  int64_t Offset2 = 0;
-  bool isGA1 = isGAPlusOffset(Loc.getNode(), GV1, Offset1);
-  bool isGA2 = isGAPlusOffset(BaseLoc.getNode(), GV2, Offset2);
-  if (isGA1 && isGA2 && GV1 == GV2)
-    return Offset1 == (Offset2 + Dist*Bytes);
-  return false;
-}
-
-
 SDValue TargetLowering::
 PerformDAGCombine(SDNode *N, DAGCombinerInfo &DCI) const {
   // Default implementation: no optimization.