Revert this patch for the time being. Needs more testing.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97099 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 0 insertions, 19 deletions

diff --git a/lib/Target/CellSPU/SPURegisterInfo.h b/lib/Target/CellSPU/SPURegisterInfo.h
index 883bf5e328..9691cb6570 100644
--- a/lib/Target/CellSPU/SPURegisterInfo.h
+++ b/lib/Target/CellSPU/SPURegisterInfo.h
@@ -53,10 +53,6 @@ namespace llvm {
     virtual const TargetRegisterClass* const *
       getCalleeSavedRegClasses(const MachineFunction *MF) const;
 
-    //! Allow for scavenging, so we can get scratch registers when needed.
-    virtual bool requiresRegisterScavenging(const MachineFunction &MF) const
-    { return true; }
-
     //! Return the reserved registers
     BitVector getReservedRegs(const MachineFunction &MF) const;
 
@@ -101,21 +97,6 @@ namespace llvm {
 
     //! Get DWARF debugging register number
     int getDwarfRegNum(unsigned RegNum, bool isEH) const;
-
-    //! Convert D-form load/store to X-form load/store
-    /*!
-      Converts a regiser displacement load/store into a register-indexed
-      load/store for large stack frames, when the stack frame exceeds the
-      range of a s10 displacement.
-     */
-    int convertDFormToXForm(int dFormOpcode) const;
-
-    //! Acquire an unused register in an emergency.
-    unsigned findScratchRegister(MachineBasicBlock::iterator II,
-                                 RegScavenger *RS,
-                                 const TargetRegisterClass *RC, 
-                                 int SPAdj) const;
-    
   };
 } // end namespace llvm