1 files changed, 72 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/b3/air/AirInst.cpp b/Source/JavaScriptCore/b3/air/AirInst.cpp
new file mode 100644
index 000000000..defb344b0
--- /dev/null
+++ b/Source/JavaScriptCore/b3/air/AirInst.cpp
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2015-2016 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+
+#include "config.h"
+#include "AirInst.h"
+
+#if ENABLE(B3_JIT)
+
+#include "AirInstInlines.h"
+#include "B3Value.h"
+#include <wtf/ListDump.h>
+
+namespace JSC { namespace B3 { namespace Air {
+
+bool Inst::hasArgEffects()
+{
+    bool result = false;
+    forEachArg(
+        [&] (Arg&, Arg::Role role, Arg::Type, Arg::Width) {
+            if (Arg::isAnyDef(role))
+                result = true;
+        });
+    return result;
+}
+
+unsigned Inst::jsHash() const
+{
+    // FIXME: This should do something for flags.
+    // https://bugs.webkit.org/show_bug.cgi?id=162751
+    unsigned result = static_cast<unsigned>(kind.opcode);
+    
+    for (const Arg& arg : args)
+        result += arg.jsHash();
+    
+    return result;
+}
+
+void Inst::dump(PrintStream& out) const
+{
+    out.print(kind, " ", listDump(args));
+    if (origin) {
+        if (args.size())
+            out.print(", ");
+        out.print(*origin);
+    }
+}
+
+} } } // namespace JSC::B3::Air
+
+#endif // ENABLE(B3_JIT)