1 files changed, 32 insertions, 0 deletions
diff --git a/js/src/jit/AlignmentMaskAnalysis.h b/js/src/jit/AlignmentMaskAnalysis.h
new file mode 100644
index 000000000..a455f29a2
--- /dev/null
+++ b/js/src/jit/AlignmentMaskAnalysis.h
@@ -0,0 +1,32 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=8 sts=4 et sw=4 tw=99:
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef jit_AlignmentMaskAnalysis_h
+#define jit_AlignmentMaskAnalysis_h
+
+#include "mozilla/Attributes.h"
+
+namespace js {
+namespace jit {
+
+class MIRGraph;
+
+class AlignmentMaskAnalysis
+{
+    MIRGraph& graph_;
+
+  public:
+    explicit AlignmentMaskAnalysis(MIRGraph& graph)
+      : graph_(graph)
+    {}
+
+    MOZ_MUST_USE bool analyze();
+};
+
+} /* namespace jit */
+} /* namespace js */
+
+#endif /* jit_AlignmentMaskAnalysis_h */