Add R600 backend

A new backend supporting AMD GPUs: Radeon HD2XXX - HD7XXX

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169915 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/R600/SIMachineFunctionInfo.cpp b/lib/Target/R600/SIMachineFunctionInfo.cpp
new file mode 100644
index 0000000..7e59b42
--- /dev/null
+++ b/lib/Target/R600/SIMachineFunctionInfo.cpp
@@ -0,0 +1,20 @@
+//===-- SIMachineFunctionInfo.cpp - SI Machine Function Info -------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+/// \file
+//===----------------------------------------------------------------------===//
+
+
+#include "SIMachineFunctionInfo.h"
+
+using namespace llvm;
+
+SIMachineFunctionInfo::SIMachineFunctionInfo(const MachineFunction &MF)
+  : MachineFunctionInfo(),
+    SPIPSInputAddr(0),
+    ShaderType(0)
+  { }