Add two new calling conventions for runtime calls

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

diff --git a/lib/Target/R600/SIInstrInfo.h b/lib/Target/R600/SIInstrInfo.h
index 72bb25e369f673cc14b754ca96eb7218467e2f0f..19bcf0cd946f7f62519ccaee381ee05c349944d4 100644 (file)
--- a/lib/Target/R600/SIInstrInfo.h
+++ b/lib/Target/R600/SIInstrInfo.h
@@ -25,6 +25,14 @@ class SIInstrInfo : public AMDGPUInstrInfo {
 private:
   const SIRegisterInfo RI;
 
+  MachineInstrBuilder buildIndirectIndexLoop(MachineBasicBlock &MBB,
+                                             MachineBasicBlock::iterator I,
+                                             unsigned OffsetVGPR,
+                                             unsigned MovRelOp,
+                                             unsigned Dst,
+                                             unsigned Src0) const;
+  // If you add or remove instructions from this function, you will
+
 public:
   explicit SIInstrInfo(AMDGPUTargetMachine &tm);
 
@@ -35,12 +43,27 @@ public:
                            unsigned DestReg, unsigned SrcReg,
                            bool KillSrc) const;
 
+  void storeRegToStackSlot(MachineBasicBlock &MBB,
+                           MachineBasicBlock::iterator MI,
+                           unsigned SrcReg, bool isKill, int FrameIndex,
+                           const TargetRegisterClass *RC,
+                           const TargetRegisterInfo *TRI) const;
+
+  void loadRegFromStackSlot(MachineBasicBlock &MBB,
+                            MachineBasicBlock::iterator MI,
+                            unsigned DestReg, int FrameIndex,
+                            const TargetRegisterClass *RC,
+                            const TargetRegisterInfo *TRI) const;
+
   unsigned commuteOpcode(unsigned Opcode) const;
 
   virtual MachineInstr *commuteInstruction(MachineInstr *MI,
                                            bool NewMI=false) const;
 
-  virtual unsigned getIEQOpcode() const { assert(!"Implement"); return 0;}
+  virtual unsigned getIEQOpcode() const {
+    llvm_unreachable("Unimplemented");
+  }
+
   MachineInstr *buildMovInstr(MachineBasicBlock *MBB,
                               MachineBasicBlock::iterator I,
                               unsigned DstReg, unsigned SrcReg) const;
@@ -58,9 +81,42 @@ public:
 
   virtual bool verifyInstruction(const MachineInstr *MI,
                                  StringRef &ErrInfo) const;
-  virtual int getIndirectIndexBegin(const MachineFunction &MF) const;
 
-  virtual int getIndirectIndexEnd(const MachineFunction &MF) const;
+  bool isSALUInstr(const MachineInstr &MI) const;
+  static unsigned getVALUOp(const MachineInstr &MI);
+  bool isSALUOpSupportedOnVALU(const MachineInstr &MI) const;
+
+  /// \brief Return the correct register class for \p OpNo.  For target-specific
+  /// instructions, this will return the register class that has been defined
+  /// in tablegen.  For generic instructions, like REG_SEQUENCE it will return
+  /// the register class of its machine operand.
+  /// to infer the correct register class base on the other operands.
+  const TargetRegisterClass *getOpRegClass(const MachineInstr &MI,
+                                           unsigned OpNo) const;\
+
+  /// \returns true if it is legal for the operand at index \p OpNo
+  /// to read a VGPR.
+  bool canReadVGPR(const MachineInstr &MI, unsigned OpNo) const;
+
+  /// \brief Legalize the \p OpIndex operand of this instruction by inserting
+  /// a MOV.  For example:
+  /// ADD_I32_e32 VGPR0, 15
+  /// to
+  /// MOV VGPR1, 15
+  /// ADD_I32_e32 VGPR0, VGPR1
+  ///
+  /// If the operand being legalized is a register, then a COPY will be used
+  /// instead of MOV.
+  void legalizeOpWithMove(MachineInstr *MI, unsigned OpIdx) const;
+
+  /// \brief Legalize all operands in this instruction.  This function may
+  /// create new instruction and insert them before \p MI.
+  void legalizeOperands(MachineInstr *MI) const;
+
+  /// \brief Replace this instruction's opcode with the equivalent VALU
+  /// opcode.  This function will also move the users of \p MI to the
+  /// VALU if necessary.
+  void moveToVALU(MachineInstr &MI) const;
 
   virtual unsigned calculateIndirectAddress(unsigned RegIndex,
                                             unsigned Channel) const;
@@ -78,7 +134,12 @@ public:
                                                 unsigned ValueReg,
                                                 unsigned Address,
                                                 unsigned OffsetReg) const;
-  };
+  void reserveIndirectRegisters(BitVector &Reserved,
+                                const MachineFunction &MF) const;
+
+  void LoadM0(MachineInstr *MoveRel, MachineBasicBlock::iterator I,
+              unsigned SavReg, unsigned IndexReg) const;
+};
 
 namespace AMDGPU {