From 8c0e89925d6b76b7671fe904a97c618d155dea42 Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Fri, 16 Apr 2010 21:12:11 +0000
Subject: [PATCH] Create a new TargetSelectionDAGInfo class. This will
 eventually acquire SelectionDAG-specific parts of TargetLowering.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101537 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/Target/TargetSelectionDAGInfo.h  | 36 +++++++++++++++++++
 lib/CodeGen/SelectionDAG/CMakeLists.txt       |  1 +
 .../SelectionDAG/TargetSelectionDAGInfo.cpp   | 21 +++++++++++
 3 files changed, 58 insertions(+)
 create mode 100644 include/llvm/Target/TargetSelectionDAGInfo.h
 create mode 100644 lib/CodeGen/SelectionDAG/TargetSelectionDAGInfo.cpp

diff --git a/include/llvm/Target/TargetSelectionDAGInfo.h b/include/llvm/Target/TargetSelectionDAGInfo.h
new file mode 100644
index 00000000000..943bdea797b
--- /dev/null
+++ b/include/llvm/Target/TargetSelectionDAGInfo.h
@@ -0,0 +1,36 @@
+//==-- llvm/Target/TargetSelectionDAGInfo.h - SelectionDAG 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 declares the TargetSelectionDAGInfo class, which targets can
+// subclass to parameterize the SelectionDAG lowering and instruction
+// selection process.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TARGET_TARGETSELECTIONDAGINFO_H
+#define LLVM_TARGET_TARGETSELECTIONDAGINFO_H
+
+namespace llvm {
+
+//===----------------------------------------------------------------------===//
+/// TargetSelectionDAGLowering - Targets can subclass this to parameterize the
+/// SelectionDAG lowering and instruction selection process.
+///
+class TargetSelectionDAGInfo {
+  TargetSelectionDAGInfo(const TargetSelectionDAGInfo &); // DO NOT IMPLEMENT
+  void operator=(const TargetSelectionDAGInfo &);         // DO NOT IMPLEMENT
+
+public:
+  TargetSelectionDAGInfo();
+  virtual ~TargetSelectionDAGInfo();
+};
+
+} // end llvm namespace
+
+#endif
diff --git a/lib/CodeGen/SelectionDAG/CMakeLists.txt b/lib/CodeGen/SelectionDAG/CMakeLists.txt
index 80c7d7c9eb9..0cfd5e1d7e2 100644
--- a/lib/CodeGen/SelectionDAG/CMakeLists.txt
+++ b/lib/CodeGen/SelectionDAG/CMakeLists.txt
@@ -20,6 +20,7 @@ add_llvm_library(LLVMSelectionDAG
   SelectionDAGISel.cpp
   SelectionDAGPrinter.cpp
   TargetLowering.cpp
+  TargetSelectionDAGInfo.cpp
   )
 
 target_link_libraries (LLVMSelectionDAG LLVMAnalysis LLVMAsmPrinter LLVMCodeGen)
diff --git a/lib/CodeGen/SelectionDAG/TargetSelectionDAGInfo.cpp b/lib/CodeGen/SelectionDAG/TargetSelectionDAGInfo.cpp
new file mode 100644
index 00000000000..d20477fd890
--- /dev/null
+++ b/lib/CodeGen/SelectionDAG/TargetSelectionDAGInfo.cpp
@@ -0,0 +1,21 @@
+//===-- TargetSelectionDAGInfo.cpp - SelectionDAG Info --------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This implements the TargetSelectionDAGInfo class.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Target/TargetSelectionDAGInfo.h"
+using namespace llvm;
+
+TargetSelectionDAGInfo::TargetSelectionDAGInfo() {
+}
+
+TargetSelectionDAGInfo::~TargetSelectionDAGInfo() {
+}
-- 
2.34.1