Rename TargetSelectionDAGInfo into SelectionDAGTargetInfo and move it to CodeGen/

It's a SelectionDAG thing, not a Target thing.

llvm-svn: 258939
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblySelectionDAGInfo.h b/llvm/lib/Target/WebAssembly/WebAssemblySelectionDAGInfo.h
index 13d9667..533c66b 100644
--- a/llvm/lib/Target/WebAssembly/WebAssemblySelectionDAGInfo.h
+++ b/llvm/lib/Target/WebAssembly/WebAssemblySelectionDAGInfo.h
@@ -9,18 +9,18 @@
 ///
 /// \file
 /// \brief This file defines the WebAssembly subclass for
-/// TargetSelectionDAGInfo.
+/// SelectionDAGTargetInfo.
 ///
 //===----------------------------------------------------------------------===//
 
 #ifndef LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYSELECTIONDAGINFO_H
 #define LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYSELECTIONDAGINFO_H
 
-#include "llvm/Target/TargetSelectionDAGInfo.h"
+#include "llvm/CodeGen/SelectionDAGTargetInfo.h"
 
 namespace llvm {
 
-class WebAssemblySelectionDAGInfo final : public TargetSelectionDAGInfo {
+class WebAssemblySelectionDAGInfo final : public SelectionDAGTargetInfo {
 public:
   ~WebAssemblySelectionDAGInfo() override;
 };