R600/SI: Remove unused SGPR spilling code

llvm-svn: 216218

1 files changed, 0 insertions, 19 deletions

diff --git a/llvm/lib/Target/R600/SIMachineFunctionInfo.h b/llvm/lib/Target/R600/SIMachineFunctionInfo.h
index fcaa23a619b..2917edfcd67 100644
--- a/llvm/lib/Target/R600/SIMachineFunctionInfo.h
+++ b/llvm/lib/Target/R600/SIMachineFunctionInfo.h
@@ -36,31 +36,12 @@ public:
     bool hasLane() { return Lane != -1;}
   };
 
-  struct RegSpillTracker {
-  private:
-    unsigned CurrentLane;
-    std::map<unsigned, SpilledReg> SpilledRegisters;
-  public:
-    unsigned LaneVGPR;
-    RegSpillTracker() : CurrentLane(0), SpilledRegisters(), LaneVGPR(0) { }
-    /// \p NumRegs The number of consecutive registers what need to be spilled.
-    ///            This function will ensure that all registers are stored in
-    ///            the same VGPR.
-    /// \returns The lane to be used for storing the first register.
-    unsigned reserveLanes(MachineRegisterInfo &MRI, MachineFunction *MF,
-                          unsigned NumRegs = 1);
-    void addSpilledReg(unsigned FrameIndex, unsigned Reg, int Lane = -1);
-    const SpilledReg& getSpilledReg(unsigned FrameIndex);
-    bool programSpillsRegisters() { return !SpilledRegisters.empty(); }
-  };
-
   // SIMachineFunctionInfo definition
 
   SIMachineFunctionInfo(const MachineFunction &MF);
   SpilledReg getSpilledReg(MachineFunction *MF, unsigned FrameIndex,
                            unsigned SubIdx);
   unsigned PSInputAddr;
-  struct RegSpillTracker SpillTracker;
   unsigned NumUserSGPRs;
   std::map<unsigned, unsigned> LaneVGPRs;
 };