RemoveBranch() and InsertBranch() now returns number of instructions deleted / inserted.

[oota-llvm.git] / lib / Target / PowerPC / PPCInstrInfo.h

diff --git a/lib/Target/PowerPC/PPCInstrInfo.h b/lib/Target/PowerPC/PPCInstrInfo.h
index dc16aed4dc282e9b5cf8b0ed5aa207311c0d9e64..498a8e54f0bb365cc4b71589fc1296b495a7e088 100644 (file)
--- a/lib/Target/PowerPC/PPCInstrInfo.h
+++ b/lib/Target/PowerPC/PPCInstrInfo.h
@@ -77,13 +77,6 @@ public:
   /// This is used for addressing modes.
   virtual const TargetRegisterClass *getPointerRegClass() const;  
 
-  /// getDWARF_LABELOpcode - Return the opcode of the target's DWARF_LABEL
-  /// instruction if it has one.  This is used by codegen passes that update
-  /// DWARF line number info as they modify the code.
-  virtual unsigned getDWARF_LABELOpcode() const {
-    return PPC::DWARF_LABEL;
-  }
-  
   // Return true if the instruction is a register to register move and
   // leave the source and dest operands in the passed parameters.
   //
@@ -106,27 +99,12 @@ public:
   virtual bool AnalyzeBranch(MachineBasicBlock &MBB, MachineBasicBlock *&TBB,
                              MachineBasicBlock *&FBB,
                              std::vector<MachineOperand> &Cond) const;
-  virtual void RemoveBranch(MachineBasicBlock &MBB) const;
-  virtual void InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB,
-                            MachineBasicBlock *FBB,
-                            const std::vector<MachineOperand> &Cond) const;
+  virtual unsigned RemoveBranch(MachineBasicBlock &MBB) const;
+  virtual unsigned InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB,
+                                MachineBasicBlock *FBB,
+                                const std::vector<MachineOperand> &Cond) const;
+  virtual bool BlockHasNoFallThrough(MachineBasicBlock &MBB) const;
   virtual bool ReverseBranchCondition(std::vector<MachineOperand> &Cond) const;
-  
-  
-  
-  static unsigned invertPPCBranchOpcode(unsigned Opcode) {
-    switch (Opcode) {
-    default: assert(0 && "Unknown PPC branch opcode!");
-    case PPC::BEQ: return PPC::BNE;
-    case PPC::BNE: return PPC::BEQ;
-    case PPC::BLT: return PPC::BGE;
-    case PPC::BGE: return PPC::BLT;
-    case PPC::BGT: return PPC::BLE;
-    case PPC::BLE: return PPC::BGT;
-    case PPC::BNU: return PPC::BUN;
-    case PPC::BUN: return PPC::BNU;
-    }
-  }
 };
 
 }