src/gallium/drivers/radeon/R600ISelLowering.h

   1 //===-- R600ISelLowering.h - R600 DAG Lowering Interface -*- C++ -*--------===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //
  10 // R600 DAG Lowering interface definition
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #ifndef R600ISELLOWERING_H
  15 #define R600ISELLOWERING_H
  16
  17 #include "AMDGPUISelLowering.h"
  18
  19 namespace llvm {
  20
  21 class R600InstrInfo;
  22
  23 class R600TargetLowering : public AMDGPUTargetLowering
  24 {
  25 public:
  26   R600TargetLowering(TargetMachine &TM);
  27   virtual MachineBasicBlock * EmitInstrWithCustomInserter(MachineInstr *MI,
  28       MachineBasicBlock * BB) const;
  29   virtual SDValue LowerOperation(SDValue Op, SelectionDAG &DAG) const;
  30   void ReplaceNodeResults(SDNode * N,
  31       SmallVectorImpl<SDValue> &Results,
  32       SelectionDAG &DAG) const;
  33 private:
  34   const R600InstrInfo * TII;
  35
  36   /// lowerImplicitParameter - Each OpenCL kernel has nine implicit parameters
  37   /// that are stored in the first nine dwords of a Vertex Buffer.  These
  38   /// implicit parameters are lowered to load instructions which retreive the
  39   /// values from the Vertex Buffer.
  40   SDValue LowerImplicitParameter(SelectionDAG &DAG, EVT VT,
  41                                  DebugLoc DL, unsigned DwordOffset) const;
  42
  43   void lowerImplicitParameter(MachineInstr *MI, MachineBasicBlock &BB,
  44       MachineRegisterInfo & MRI, unsigned dword_offset) const;
  45
  46   SDValue LowerBR_CC(SDValue Op, SelectionDAG &DAG) const;
  47
  48   /// LowerROTL - Lower ROTL opcode to BITALIGN
  49   SDValue LowerROTL(SDValue Op, SelectionDAG &DAG) const;
  50
  51   SDValue LowerSELECT_CC(SDValue Op, SelectionDAG &DAG) const;
  52   SDValue LowerSETCC(SDValue Op, SelectionDAG &DAG) const;
  53   SDValue LowerFPTOUINT(SDValue Op, SelectionDAG &DAG) const;
  54 };
  55
  56 } // End namespace llvm;
  57
  58 #endif // R600ISELLOWERING_H