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/R600MachineFunctionInfo.cpp b/lib/Target/R600/R600MachineFunctionInfo.cpp
new file mode 100644
index 0000000..4eb5efa
--- /dev/null
+++ b/lib/Target/R600/R600MachineFunctionInfo.cpp
@@ -0,0 +1,34 @@
+//===-- R600MachineFunctionInfo.cpp - R600 Machine Function Info-*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+/// \file
+//===----------------------------------------------------------------------===//
+
+#include "R600MachineFunctionInfo.h"
+
+using namespace llvm;
+
+R600MachineFunctionInfo::R600MachineFunctionInfo(const MachineFunction &MF)
+ : MachineFunctionInfo(),
+ HasLinearInterpolation(false),
+ HasPerspectiveInterpolation(false) {
+ memset(Outputs, 0, sizeof(Outputs));
+ memset(StreamOutputs, 0, sizeof(StreamOutputs));
+ }
+
+unsigned R600MachineFunctionInfo::GetIJPerspectiveIndex() const {
+ assert(HasPerspectiveInterpolation);
+ return 0;
+}
+
+unsigned R600MachineFunctionInfo::GetIJLinearIndex() const {
+ assert(HasLinearInterpolation);
+ if (HasPerspectiveInterpolation)
+ return 1;
+ else
+ return 0;
+}