[WebAssembly] Initial WebAssembly backend
This WebAssembly backend is just a skeleton at this time and is not yet
functional.
llvm-svn: 241022
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblySelectionDAGInfo.h b/llvm/lib/Target/WebAssembly/WebAssemblySelectionDAGInfo.h
new file mode 100644
index 0000000..03e8d39
--- /dev/null
+++ b/llvm/lib/Target/WebAssembly/WebAssemblySelectionDAGInfo.h
@@ -0,0 +1,31 @@
+//=- WebAssemblySelectionDAGInfo.h - WebAssembly SelectionDAG Info -*- C++ -*-//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+///
+/// \file
+/// \brief This file defines the WebAssembly subclass for
+/// TargetSelectionDAGInfo.
+///
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYSELECTIONDAGINFO_H
+#define LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYSELECTIONDAGINFO_H
+
+#include "llvm/Target/TargetSelectionDAGInfo.h"
+
+namespace llvm {
+
+class WebAssemblySelectionDAGInfo final : public TargetSelectionDAGInfo {
+public:
+ explicit WebAssemblySelectionDAGInfo(const DataLayout *DL);
+ ~WebAssemblySelectionDAGInfo() override;
+};
+
+} // end namespace llvm
+
+#endif