Set debugger tuning from TargetOptions (NFC)

[oota-llvm.git] / include / llvm / CodeGen / RegisterScavenging.h

diff --git a/include/llvm/CodeGen/RegisterScavenging.h b/include/llvm/CodeGen/RegisterScavenging.h
index b2e31fa9a1a14722d90dee991256728aec2db28f..122c78534253ebf0f603eb2ebee2c83f4cfde796 100644 (file)
--- a/include/llvm/CodeGen/RegisterScavenging.h
+++ b/include/llvm/CodeGen/RegisterScavenging.h
@@ -74,10 +74,6 @@ public:
   /// Start tracking liveness from the begin of the specific basic block.
   void enterBasicBlock(MachineBasicBlock *mbb);
 
-  /// Allow resetting register state info for multiple
-  /// passes over/within the same function.
-  void initRegState();
-
   /// Move the internal MBB iterator and update register states.
   void forward();
 
@@ -104,10 +100,8 @@ public:
     MBBI = I;
   }
 
-  MachineBasicBlock::iterator getCurrentPosition() const {
-    return MBBI;
-  }
-  
+  MachineBasicBlock::iterator getCurrentPosition() const { return MBBI; }
+
   /// Return if a specific register is currently used.
   bool isRegUsed(unsigned Reg, bool includeReserved = true) const;
 
@@ -152,7 +146,7 @@ public:
   }
 
   /// Tell the scavenger a register is used.
-  void setRegUsed(unsigned Reg);
+  void setRegUsed(unsigned Reg, LaneBitmask LaneMask = ~0u);
 private:
   /// Returns true if a register is reserved. It is never "unused".
   bool isReserved(unsigned Reg) const { return MRI->isReserved(Reg); }
@@ -169,10 +163,10 @@ private:
   /// Processes the current instruction and fill the KillRegUnits and
   /// DefRegUnits bit vectors.
   void determineKillsAndDefs();
-  
+
   /// Add all Reg Units that Reg contains to BV.
   void addRegUnits(BitVector &BV, unsigned Reg);
-  
+
   /// Return the candidate register that is unused for the longest after
   /// StartMI. UseMI is set to the instruction where the search stopped.
   ///
@@ -182,8 +176,11 @@ private:
                            unsigned InstrLimit,
                            MachineBasicBlock::iterator &UseMI);
 
+  /// Allow resetting register state info for multiple
+  /// passes over/within the same function.
+  void initRegState();
 };
 
-} // namespace llvm
+} // End llvm namespace
 
 #endif