AMDGPU: Cleanup subtarget handling.

Split AMDGPUSubtarget into amdgcn/r600 specific subclasses.
This removes most of the static_casting of the basic codegen
classes everywhere, and tries to restrict the features
visible on the wrong target.

llvm-svn: 273652

1 files changed, 15 insertions, 0 deletions

diff --git a/llvm/lib/Target/AMDGPU/R600FrameLowering.cpp b/llvm/lib/Target/AMDGPU/R600FrameLowering.cpp
new file mode 100644
index 0000000..dd5681f
--- /dev/null
+++ b/llvm/lib/Target/AMDGPU/R600FrameLowering.cpp
@@ -0,0 +1,15 @@
+//===----------------------- R600FrameLowering.cpp ------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//==-----------------------------------------------------------------------===//
+
+#include "R600FrameLowering.h"
+
+using namespace llvm;
+
+R600FrameLowering::~R600FrameLowering() {
+}