X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FCodeGen%2FLiveDebugVariables.h;h=7e3b361e331a6bbba23c502a6b0596408d050f58;hb=0526d167a9f8fcd476f4382d933dda208a4eb5c8;hp=a6e40a198456289df776ade772bb2ed683d5f128;hpb=42acf069c9e46395a2fa230ed6b89b402828e3d5;p=oota-llvm.git

diff --git a/lib/CodeGen/LiveDebugVariables.h b/lib/CodeGen/LiveDebugVariables.h
index a6e40a19845..7e3b361e331 100644
--- a/lib/CodeGen/LiveDebugVariables.h
+++ b/lib/CodeGen/LiveDebugVariables.h
@@ -18,17 +18,22 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef LLVM_CODEGEN_LIVEDEBUGVARIABLES_H
-#define LLVM_CODEGEN_LIVEDEBUGVARIABLES_H
+#ifndef LLVM_LIB_CODEGEN_LIVEDEBUGVARIABLES_H
+#define LLVM_LIB_CODEGEN_LIVEDEBUGVARIABLES_H
 
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/IR/DebugInfo.h"
 #include "llvm/CodeGen/MachineFunctionPass.h"
 
 namespace llvm {
 
+class LiveInterval;
+class LiveIntervals;
 class VirtRegMap;
 
 class LiveDebugVariables : public MachineFunctionPass {
   void *pImpl;
+  DenseMap<const Function*, DISubprogram> FunctionDIs;
 public:
   static char ID; // Pass identification, replacement for typeid
 
@@ -42,6 +47,12 @@ 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.
@@ -52,12 +63,13 @@ 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;
+  bool doInitialization(Module &) override;
 
 };
 
 } // namespace llvm
 
-#endif // LLVM_CODEGEN_LIVEDEBUGVARIABLES_H
+#endif