[NVPTX] Delete dead code

No functionality change.

llvm-svn: 335913

llvm/lib/Target/NVPTX/NVPTXISelDAGToDAG.cpp

@@ -3630,12 +3630,6 @@ bool NVPTXDAGToDAGISel::SelectADDRri64(SDNode *OpNode, SDValue Addr,
   return SelectADDRri_imp(OpNode, Addr, Base, Offset, MVT::i64);
 }
 
-// symbol
-bool NVPTXDAGToDAGISel::SelectADDRvar(SDNode *OpNode, SDValue Addr,
-                                      SDValue &Value) {
-  return SelectDirectAddr(Addr, Value);
-}
-
 bool NVPTXDAGToDAGISel::ChkMemSDNodeAddressSpace(SDNode *N,
                                                  unsigned int spN) const {
   const Value *Src = nullptr;

llvm/lib/Target/NVPTX/NVPTXISelDAGToDAG.h

@@ -74,8 +74,6 @@ private:
   bool tryConstantFP16(SDNode *N);
   bool SelectSETP_F16X2(SDNode *N);
   bool tryEXTRACT_VECTOR_ELEMENT(SDNode *N);
-  bool tryWMMA_LDST(SDNode *N);
-  bool tryWMMA_MMA(SDNode *N);
 
   inline SDValue getI32Imm(unsigned Imm, const SDLoc &DL) {
     return CurDAG->getTargetConstant(Imm, DL, MVT::i32);
@@ -96,7 +94,6 @@ private:
                     SDValue &Offset);
   bool SelectADDRsi64(SDNode *OpNode, SDValue Addr, SDValue &Base,
                       SDValue &Offset);
-  bool SelectADDRvar(SDNode *OpNode, SDValue Addr, SDValue &Value);
 
   bool ChkMemSDNodeAddressSpace(SDNode *N, unsigned int spN) const;
 

llvm/lib/Target/NVPTX/NVPTXInstrInfo.cpp

@@ -70,51 +70,6 @@ void NVPTXInstrInfo::copyPhysReg(MachineBasicBlock &MBB,
       .addReg(SrcReg, getKillRegState(KillSrc));
 }
 
-bool NVPTXInstrInfo::isMoveInstr(const MachineInstr &MI, unsigned &SrcReg,
-                                 unsigned &DestReg) const {
-  // Look for the appropriate part of TSFlags
-  bool isMove = false;
-
-  unsigned TSFlags =
-      (MI.getDesc().TSFlags & NVPTX::SimpleMoveMask) >> NVPTX::SimpleMoveShift;
-  isMove = (TSFlags == 1);
-
-  if (isMove) {
-    MachineOperand dest = MI.getOperand(0);
-    MachineOperand src = MI.getOperand(1);
-    assert(dest.isReg() && "dest of a movrr is not a reg");
-    assert(src.isReg() && "src of a movrr is not a reg");
-
-    SrcReg = src.getReg();
-    DestReg = dest.getReg();
-    return true;
-  }
-
-  return false;
-}
-
-bool NVPTXInstrInfo::isLoadInstr(const MachineInstr &MI,
-                                 unsigned &AddrSpace) const {
-  bool isLoad = false;
-  unsigned TSFlags =
-      (MI.getDesc().TSFlags & NVPTX::isLoadMask) >> NVPTX::isLoadShift;
-  isLoad = (TSFlags == 1);
-  if (isLoad)
-    AddrSpace = getLdStCodeAddrSpace(MI);
-  return isLoad;
-}
-
-bool NVPTXInstrInfo::isStoreInstr(const MachineInstr &MI,
-                                  unsigned &AddrSpace) const {
-  bool isStore = false;
-  unsigned TSFlags =
-      (MI.getDesc().TSFlags & NVPTX::isStoreMask) >> NVPTX::isStoreShift;
-  isStore = (TSFlags == 1);
-  if (isStore)
-    AddrSpace = getLdStCodeAddrSpace(MI);
-  return isStore;
-}
-
 /// AnalyzeBranch - Analyze the branching code at the end of MBB, returning
 /// true if it cannot be understood (e.g. it's a switch dispatch or isn't
 /// implemented for a target).  Upon success, this returns false and returns

llvm/lib/Target/NVPTX/NVPTXInstrInfo.h

@@ -52,10 +52,6 @@ public:
   void copyPhysReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
                    const DebugLoc &DL, unsigned DestReg, unsigned SrcReg,
                    bool KillSrc) const override;
-  virtual bool isMoveInstr(const MachineInstr &MI, unsigned &SrcReg,
-                           unsigned &DestReg) const;
-  bool isLoadInstr(const MachineInstr &MI, unsigned &AddrSpace) const;
-  bool isStoreInstr(const MachineInstr &MI, unsigned &AddrSpace) const;
 
   // Branch analysis.
   bool analyzeBranch(MachineBasicBlock &MBB, MachineBasicBlock *&TBB,
@@ -68,10 +64,6 @@ public:
                         MachineBasicBlock *FBB, ArrayRef<MachineOperand> Cond,
                         const DebugLoc &DL,
                         int *BytesAdded = nullptr) const override;
-  unsigned getLdStCodeAddrSpace(const MachineInstr &MI) const {
-    return MI.getOperand(2).getImm();
-  }
-
 };
 
 } // namespace llvm

llvm/lib/Target/NVPTX/NVPTXSubtarget.h

@@ -74,7 +74,6 @@ public:
   bool hasAtomBitwise64() const { return SmVersion >= 32; }
   bool hasAtomMinMax64() const { return SmVersion >= 32; }
   bool hasLDG() const { return SmVersion >= 32; }
-  bool hasLDU() const { return ((SmVersion >= 20) && (SmVersion < 30)); }
   inline bool hasHWROT32() const { return SmVersion >= 32; }
   bool hasImageHandles() const;
   bool hasFP16Math() const { return SmVersion >= 53; }