#ifndef LLVM_CODEGEN_SCHEDGRAPH_H
#define LLVM_CODEGEN_SCHEDGRAPH_H
-#include "llvm/Target/MachineInstrInfo.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "Support/NonCopyable.h"
#include "Support/HashExtras.h"
#include "Support/GraphTraits.h"
-#include <ext/hash_map>
class Value;
class Instruction;