R600: Calculate store mask instead of using switch.

[oota-llvm.git] / lib / CodeGen / LiveDebugVariables.h

diff --git a/lib/CodeGen/LiveDebugVariables.h b/lib/CodeGen/LiveDebugVariables.h
index a6e40a198456289df776ade772bb2ed683d5f128..bb6743547e3d20efe7cca8f0554afe71dc537e2e 100644 (file)
--- a/lib/CodeGen/LiveDebugVariables.h
+++ b/lib/CodeGen/LiveDebugVariables.h
@@ -21,10 +21,13 @@
 #ifndef LLVM_CODEGEN_LIVEDEBUGVARIABLES_H
 #define LLVM_CODEGEN_LIVEDEBUGVARIABLES_H
 
+#include "llvm/ADT/ArrayRef.h"
 #include "llvm/CodeGen/MachineFunctionPass.h"
 
 namespace llvm {
 
+class LiveInterval;
+class LiveIntervals;
 class VirtRegMap;
 
 class LiveDebugVariables : public MachineFunctionPass {
@@ -42,6 +45,12 @@ public:
   ///               register.
   void renameRegister(unsigned OldReg, unsigned NewReg, unsigned SubIdx);
 
+  /// splitRegister - Move any user variables in OldReg to the live ranges in
+  /// NewRegs where they are live. Mark the values as unavailable where no new
+  /// register is live.
+  void splitRegister(unsigned OldReg, ArrayRef<unsigned> NewRegs,
+                     LiveIntervals &LIS);
+
   /// emitDebugValues - Emit new DBG_VALUE instructions reflecting the changes
   /// that happened during register allocation.
   /// @param VRM Rename virtual registers according to map.
@@ -52,9 +61,9 @@ public:
 
 private:
 
-  virtual bool runOnMachineFunction(MachineFunction &);
-  virtual void releaseMemory();
-  virtual void getAnalysisUsage(AnalysisUsage &) const;
+  bool runOnMachineFunction(MachineFunction &) override;
+  void releaseMemory() override;
+  void getAnalysisUsage(AnalysisUsage &) const override;
 
 };