1 files changed, 74 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/MachineBasicBlock.h b/include/llvm/CodeGen/MachineBasicBlock.h
new file mode 100644
index 0000000..51714bc
--- /dev/null
+++ b/include/llvm/CodeGen/MachineBasicBlock.h
@@ -0,0 +1,74 @@
+//===-- llvm/CodeGen/MachineCodeForBasicBlock.h -----------------*- C++ -*--=//
+// 
+// Purpose:
+//   Collect the sequence of machine instructions for a basic block.
+//===---------------------------------------------------------------------===//
+
+#ifndef LLVM_CODEGEN_MACHINECODEFORBASICBLOCK_H
+#define LLVM_CODEGEN_MACHINECODEFORBASICBLOCK_H
+
+#include "llvm/BasicBlock.h"
+#include "llvm/Annotation.h"
+#include <vector>
+class MachineInstr;
+
+extern AnnotationID MCFBB_AID;
+
+class MachineCodeForBasicBlock: public Annotation {
+  std::vector<MachineInstr*> Insts;
+public:
+  MachineCodeForBasicBlock();
+  ~MachineCodeForBasicBlock() {}
+  
+  // Static methods to retrieve or destroy the MachineCodeForBasicBlock
+  // object for a given basic block.
+  static MachineCodeForBasicBlock& get(const BasicBlock *bb) {
+    return *(MachineCodeForBasicBlock*)bb->getOrCreateAnnotation(MCFBB_AID);
+  }
+  
+  static void destroy(const BasicBlock *bb) {
+    bb->deleteAnnotation(MCFBB_AID);
+  }
+  
+  typedef std::vector<MachineInstr*>::iterator                iterator;
+  typedef std::vector<MachineInstr*>::const_iterator    const_iterator;
+  typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
+  typedef std::reverse_iterator<iterator>             reverse_iterator;
+
+  unsigned size() const { return Insts.size(); }
+  bool empty() const { return Insts.empty(); }
+
+  MachineInstr * operator[](unsigned i) const { return Insts[i]; }
+  MachineInstr *&operator[](unsigned i)       { return Insts[i]; }
+
+  MachineInstr *front() const { return Insts.front(); }
+  MachineInstr *back()  const { return Insts.back(); }
+
+  iterator                begin()       { return Insts.begin();  }
+  const_iterator          begin() const { return Insts.begin();  }
+  iterator                  end()       { return Insts.end();    }
+  const_iterator            end() const { return Insts.end();    }
+  reverse_iterator       rbegin()       { return Insts.rbegin(); }
+  const_reverse_iterator rbegin() const { return Insts.rbegin(); }
+  reverse_iterator       rend  ()       { return Insts.rend();   }
+  const_reverse_iterator rend  () const { return Insts.rend();   }
+
+  void push_back(MachineInstr *MI) { Insts.push_back(MI); }
+  template<typename IT>
+  void insert(iterator I, IT S, IT E) { Insts.insert(I, S, E); }
+  iterator insert(iterator I, MachineInstr *M) { return Insts.insert(I, M); }
+
+  // erase - Remove the specified range from the instruction list.  This does
+  // not delete in instructions removed.
+  //
+  iterator erase(iterator I, iterator E) { return Insts.erase(I, E); }
+
+  MachineInstr *pop_back() {
+    MachineInstr *R = back();
+    Insts.pop_back();
+    return R;
+  }
+};
+
+
+#endif