Remove the isMoveInstr() hook.

llvm-svn: 108567

2 files changed, 0 insertions, 33 deletions

diff --git a/llvm/lib/Target/XCore/XCoreInstrInfo.cpp b/llvm/lib/Target/XCore/XCoreInstrInfo.cpp
index 793651de08b..ad00046af17 100644
--- a/llvm/lib/Target/XCore/XCoreInstrInfo.cpp
+++ b/llvm/lib/Target/XCore/XCoreInstrInfo.cpp
@@ -46,33 +46,6 @@ static bool isZeroImm(const MachineOperand &op) {
   return op.isImm() && op.getImm() == 0;
 }
 
-/// Return true if the instruction is a register to register move and
-/// leave the source and dest operands in the passed parameters.
-///
-bool XCoreInstrInfo::isMoveInstr(const MachineInstr &MI,
-                                 unsigned &SrcReg, unsigned &DstReg,
-                                 unsigned &SrcSR, unsigned &DstSR) const {
-  SrcSR = DstSR = 0; // No sub-registers.
-
-  // We look for 4 kinds of patterns here:
-  // add dst, src, 0
-  // sub dst, src, 0
-  // or dst, src, src
-  // and dst, src, src
-  if ((MI.getOpcode() == XCore::ADD_2rus || MI.getOpcode() == XCore::SUB_2rus)
-      && isZeroImm(MI.getOperand(2))) {
-    DstReg = MI.getOperand(0).getReg();
-    SrcReg = MI.getOperand(1).getReg();
-    return true;
-  } else if ((MI.getOpcode() == XCore::OR_3r || MI.getOpcode() == XCore::AND_3r)
-      && MI.getOperand(1).getReg() == MI.getOperand(2).getReg()) {
-    DstReg = MI.getOperand(0).getReg();
-    SrcReg = MI.getOperand(1).getReg();
-    return true;
-  }
-  return false;
-}
-
 /// isLoadFromStackSlot - If the specified machine instruction is a direct
 /// load from a stack slot, return the virtual or physical register number of
 /// the destination along with the FrameIndex of the loaded stack slot.  If
diff --git a/llvm/lib/Target/XCore/XCoreInstrInfo.h b/llvm/lib/Target/XCore/XCoreInstrInfo.h
index e5b0171579f..d2b116eef0d 100644
--- a/llvm/lib/Target/XCore/XCoreInstrInfo.h
+++ b/llvm/lib/Target/XCore/XCoreInstrInfo.h
@@ -30,12 +30,6 @@ public:
   ///
   virtual const TargetRegisterInfo &getRegisterInfo() const { return RI; }
 
-  /// Return true if the instruction is a register to register move and return
-  /// the source and dest operands and their sub-register indices by reference.
-  virtual bool isMoveInstr(const MachineInstr &MI,
-                           unsigned &SrcReg, unsigned &DstReg,
-                           unsigned &SrcSubIdx, unsigned &DstSubIdx) const;
-  
   /// isLoadFromStackSlot - If the specified machine instruction is a direct
   /// load from a stack slot, return the virtual or physical register number of
   /// the destination along with the FrameIndex of the loaded stack slot.  If