Interface to target-specific routines that support machine code optimization.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3844 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/Target/TargetOptInfo.h b/include/llvm/Target/TargetOptInfo.h
new file mode 100644 (file)
index 0000000..2d80bf1
--- /dev/null
+++ b/include/llvm/Target/TargetOptInfo.h
@@ -0,0 +1,22 @@
+//===-- llvm/Target/MachineOptInfo.h -----------------------------*- C++ -*-==//
+//
+//  Describes properties of the target cache architecture.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TARGET_MACHINEOPTINFO_H
+#define LLVM_TARGET_MACHINEOPTINFO_H
+
+#include "Support/DataTypes.h"
+class TargetMachine;
+
+struct MachineOptInfo : public NonCopyableV {
+  const TargetMachine ⌖
+  
+public:
+  MachineOptInfo(const TargetMachine& tgt): target(tgt) { }
+
+  virtual bool IsUselessCopy    (const MachineInstr* MI) const = 0;
+};
+
+#endif