1 files changed, 37 insertions, 0 deletions
diff --git a/llvm/lib/Target/AMDGPU/SIMachineFunctionInfo.h b/llvm/lib/Target/AMDGPU/SIMachineFunctionInfo.h
new file mode 100644
index 00000000000..46a021f3613
--- /dev/null
+++ b/llvm/lib/Target/AMDGPU/SIMachineFunctionInfo.h
@@ -0,0 +1,37 @@
+//===- SIMachineFunctionInfo.h - SIMachineFunctionInfo interface -*- C++ -*-==//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// SIMachineFunctionInfo is used to keep track of the spi_sp_input_addr config
+// register, which is to tell the hardware which interpolation parameters to
+// load.
+//
+//===----------------------------------------------------------------------===//
+
+
+#ifndef _SIMACHINEFUNCTIONINFO_H_
+#define _SIMACHINEFUNCTIONINFO_H_
+
+#include "llvm/CodeGen/MachineFunction.h"
+
+namespace llvm {
+
+class SIMachineFunctionInfo : public MachineFunctionInfo {
+
+  private:
+
+  public:
+    SIMachineFunctionInfo(const MachineFunction &MF);
+    unsigned spi_ps_input_addr;
+
+};
+
+} // End namespace llvm
+
+
+#endif //_SIMACHINEFUNCTIONINFO_H_