[WebAssembly] Initial WebAssembly backend

This WebAssembly backend is just a skeleton at this time and is not yet
functional.

llvm-svn: 241022

1 files changed, 23 insertions, 0 deletions

diff --git a/llvm/lib/Target/WebAssembly/WebAssemblySelectionDAGInfo.cpp b/llvm/lib/Target/WebAssembly/WebAssemblySelectionDAGInfo.cpp
new file mode 100644
index 0000000..cfd1baf
--- /dev/null
+++ b/llvm/lib/Target/WebAssembly/WebAssemblySelectionDAGInfo.cpp
@@ -0,0 +1,23 @@
+//===-- WebAssemblySelectionDAGInfo.cpp - WebAssembly SelectionDAG Info ---===//
+//
+//                     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 implements the WebAssemblySelectionDAGInfo class.
+///
+//===----------------------------------------------------------------------===//
+
+#include "WebAssemblyTargetMachine.h"
+using namespace llvm;
+
+#define DEBUG_TYPE "wasm-selectiondag-info"
+
+WebAssemblySelectionDAGInfo::WebAssemblySelectionDAGInfo(const DataLayout *DL)
+    : TargetSelectionDAGInfo(DL) {}
+
+WebAssemblySelectionDAGInfo::~WebAssemblySelectionDAGInfo() {}