1 files changed, 63 insertions, 0 deletions
diff --git a/contrib/llvm/utils/TableGen/CodeGenRegisters.h b/contrib/llvm/utils/TableGen/CodeGenRegisters.h
new file mode 100644
index 0000000..344f77f
--- /dev/null
+++ b/contrib/llvm/utils/TableGen/CodeGenRegisters.h
@@ -0,0 +1,63 @@
+//===- CodeGenRegisters.h - Register and RegisterClass Info -----*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines structures to encapsulate information gleaned from the
+// target register and register class definitions.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef CODEGEN_REGISTERS_H
+#define CODEGEN_REGISTERS_H
+
+#include "llvm/CodeGen/ValueTypes.h"
+#include "llvm/ADT/DenseMap.h"
+#include <string>
+#include <vector>
+#include <cstdlib>
+
+namespace llvm {
+  class Record;
+
+  /// CodeGenRegister - Represents a register definition.
+  struct CodeGenRegister {
+    Record *TheDef;
+    const std::string &getName() const;
+    unsigned DeclaredSpillSize, DeclaredSpillAlignment;
+    CodeGenRegister(Record *R);
+  };
+
+
+  struct CodeGenRegisterClass {
+    Record *TheDef;
+    std::string Namespace;
+    std::vector<Record*> Elements;
+    std::vector<MVT::SimpleValueType> VTs;
+    unsigned SpillSize;
+    unsigned SpillAlignment;
+    int CopyCost;
+    // Map SubRegIndex -> RegisterClass
+    DenseMap<Record*,Record*> SubRegClasses;
+    std::string MethodProtos, MethodBodies;
+
+    const std::string &getName() const;
+    const std::vector<MVT::SimpleValueType> &getValueTypes() const {return VTs;}
+    unsigned getNumValueTypes() const { return VTs.size(); }
+    
+    MVT::SimpleValueType getValueTypeNum(unsigned VTNum) const {
+      if (VTNum < VTs.size())
+        return VTs[VTNum];
+      assert(0 && "VTNum greater than number of ValueTypes in RegClass!");
+      abort();
+    }
+
+    CodeGenRegisterClass(Record *R);
+  };
+}
+
+#endif