[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, 31 insertions, 0 deletions

diff --git a/llvm/lib/Target/WebAssembly/WebAssembly.h b/llvm/lib/Target/WebAssembly/WebAssembly.h
new file mode 100644
index 00000000000..3ff19d46f43
--- /dev/null
+++ b/llvm/lib/Target/WebAssembly/WebAssembly.h
@@ -0,0 +1,31 @@
+//===-- WebAssembly.h - Top-level interface for WebAssembly  ----*- 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 contains the entry points for global functions defined in
+/// the LLVM WebAssembly back-end.
+///
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLY_H
+#define LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLY_H
+
+#include "llvm/Support/CodeGen.h"
+
+namespace llvm {
+
+class WebAssemblyTargetMachine;
+class FunctionPass;
+
+FunctionPass *createWebAssemblyISelDag(WebAssemblyTargetMachine &TM,
+                                       CodeGenOpt::Level OptLevel);
+
+} // end namespace llvm
+
+#endif