[X86][SSE] Vector integer/float conversion memory folding

[oota-llvm.git] / lib / Target / R600 / SIISelLowering.h

diff --git a/lib/Target/R600/SIISelLowering.h b/lib/Target/R600/SIISelLowering.h
index 6d77d88c4015a9cd16bd0f4bb4ddfa54873244e3..e9b7d4c565e79197fc419d808f2cd159e73f1251 100644 (file)
--- a/lib/Target/R600/SIISelLowering.h
+++ b/lib/Target/R600/SIISelLowering.h
@@ -12,8 +12,8 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef SIISELLOWERING_H
-#define SIISELLOWERING_H
+#ifndef LLVM_LIB_TARGET_R600_SIISELLOWERING_H
+#define LLVM_LIB_TARGET_R600_SIISELLOWERING_H
 
 #include "AMDGPUISelLowering.h"
 #include "SIInstrInfo.h"
@@ -21,45 +21,92 @@
 namespace llvm {
 
 class SITargetLowering : public AMDGPUTargetLowering {
-  const SIInstrInfo * TII;
-  const TargetRegisterInfo * TRI;
-
-  void LowerMOV_IMM(MachineInstr *MI, MachineBasicBlock &BB,
-              MachineBasicBlock::iterator I, unsigned Opocde) const;
-  void LowerSI_INTERP(MachineInstr *MI, MachineBasicBlock &BB,
-              MachineBasicBlock::iterator I, MachineRegisterInfo & MRI) const;
-  void LowerSI_WQM(MachineInstr *MI, MachineBasicBlock &BB,
-              MachineBasicBlock::iterator I, MachineRegisterInfo & MRI) const;
+  SDValue LowerParameter(SelectionDAG &DAG, EVT VT, EVT MemVT, SDLoc DL,
+                         SDValue Chain, unsigned Offset, bool Signed) const;
+  SDValue LowerSampleIntrinsic(unsigned Opcode, const SDValue &Op,
+                               SelectionDAG &DAG) const;
+  SDValue LowerGlobalAddress(AMDGPUMachineFunction *MFI, SDValue Op,
+                             SelectionDAG &DAG) const override;
 
+  SDValue LowerINTRINSIC_WO_CHAIN(SDValue Op, SelectionDAG &DAG) const;
+  SDValue LowerINTRINSIC_VOID(SDValue Op, SelectionDAG &DAG) const;
+  SDValue LowerFrameIndex(SDValue Op, SelectionDAG &DAG) const;
   SDValue LowerLOAD(SDValue Op, SelectionDAG &DAG) const;
-  SDValue LowerSELECT_CC(SDValue Op, SelectionDAG &DAG) const;
+  SDValue LowerSELECT(SDValue Op, SelectionDAG &DAG) const;
+  SDValue LowerFastFDIV(SDValue Op, SelectionDAG &DAG) const;
+  SDValue LowerFDIV32(SDValue Op, SelectionDAG &DAG) const;
+  SDValue LowerFDIV64(SDValue Op, SelectionDAG &DAG) const;
+  SDValue LowerFDIV(SDValue Op, SelectionDAG &DAG) const;
+  SDValue LowerINT_TO_FP(SDValue Op, SelectionDAG &DAG, bool Signed) const;
+  SDValue LowerSTORE(SDValue Op, SelectionDAG &DAG) const;
+  SDValue LowerTrig(SDValue Op, SelectionDAG &DAG) const;
   SDValue LowerBRCOND(SDValue Op, SelectionDAG &DAG) const;
 
   bool foldImm(SDValue &Operand, int32_t &Immediate,
                bool &ScalarSlotUsed) const;
-  bool fitsRegClass(SelectionDAG &DAG, SDValue &Op, unsigned RegClass) const;
-  void ensureSRegLimit(SelectionDAG &DAG, SDValue &Operand, 
-                       unsigned RegClass, bool &ScalarSlotUsed) const;
+  const TargetRegisterClass *getRegClassForNode(SelectionDAG &DAG,
+                                                const SDValue &Op) const;
+  bool fitsRegClass(SelectionDAG &DAG, const SDValue &Op,
+                    unsigned RegClass) const;
+
+  SDNode *legalizeOperands(MachineSDNode *N, SelectionDAG &DAG) const;
+  void adjustWritemask(MachineSDNode *&N, SelectionDAG &DAG) const;
+  MachineSDNode *AdjustRegClass(MachineSDNode *N, SelectionDAG &DAG) const;
+
+  static SDValue performUCharToFloatCombine(SDNode *N,
+                                            DAGCombinerInfo &DCI);
+  SDValue performSHLPtrCombine(SDNode *N,
+                               unsigned AS,
+                               DAGCombinerInfo &DCI) const;
 
 public:
   SITargetLowering(TargetMachine &tm);
 
+  bool isShuffleMaskLegal(const SmallVectorImpl<int> &/*Mask*/,
+                          EVT /*VT*/) const override;
+
+  bool isLegalAddressingMode(const AddrMode &AM,
+                             Type *Ty) const override;
+
+  bool allowsMisalignedMemoryAccesses(EVT VT, unsigned AS,
+                                      unsigned Align,
+                                      bool *IsFast) const override;
+
+  EVT getOptimalMemOpType(uint64_t Size, unsigned DstAlign,
+                          unsigned SrcAlign, bool IsMemset,
+                          bool ZeroMemset,
+                          bool MemcpyStrSrc,
+                          MachineFunction &MF) const override;
+
+  TargetLoweringBase::LegalizeTypeAction
+  getPreferredVectorAction(EVT VT) const override;
+
+  bool shouldConvertConstantLoadToIntImm(const APInt &Imm,
+                                        Type *Ty) const override;
+
   SDValue LowerFormalArguments(SDValue Chain, CallingConv::ID CallConv,
                                bool isVarArg,
                                const SmallVectorImpl<ISD::InputArg> &Ins,
-                               DebugLoc DL, SelectionDAG &DAG,
-                               SmallVectorImpl<SDValue> &InVals) const;
+                               SDLoc DL, SelectionDAG &DAG,
+                               SmallVectorImpl<SDValue> &InVals) const override;
 
-  virtual MachineBasicBlock * EmitInstrWithCustomInserter(MachineInstr * MI,
-                                              MachineBasicBlock * BB) const;
-  virtual EVT getSetCCResultType(EVT VT) const;
-  virtual SDValue LowerOperation(SDValue Op, SelectionDAG &DAG) const;
-  virtual SDValue PerformDAGCombine(SDNode *N, DAGCombinerInfo &DCI) const;
-  virtual SDNode *PostISelFolding(MachineSDNode *N, SelectionDAG &DAG) const;
+  MachineBasicBlock * EmitInstrWithCustomInserter(MachineInstr * MI,
+                                      MachineBasicBlock * BB) const override;
+  EVT getSetCCResultType(LLVMContext &Context, EVT VT) const override;
+  MVT getScalarShiftAmountTy(EVT VT) const override;
+  bool isFMAFasterThanFMulAndFAdd(EVT VT) const override;
+  SDValue LowerOperation(SDValue Op, SelectionDAG &DAG) const override;
+  SDValue PerformDAGCombine(SDNode *N, DAGCombinerInfo &DCI) const override;
+  SDNode *PostISelFolding(MachineSDNode *N, SelectionDAG &DAG) const override;
+  void AdjustInstrPostInstrSelection(MachineInstr *MI,
+                                     SDNode *Node) const override;
 
   int32_t analyzeImmediate(const SDNode *N) const;
+  SDValue CreateLiveInRegister(SelectionDAG &DAG, const TargetRegisterClass *RC,
+                               unsigned Reg, EVT VT) const override;
+  void legalizeTargetIndependentNode(SDNode *Node, SelectionDAG &DAG) const;
 };
 
 } // End namespace llvm
 
-#endif //SIISELLOWERING_H
+#endif