1 files changed, 135 insertions, 0 deletions
diff --git a/third_party/webkit/PerformanceTests/ARES-6/Air/basic_block.js b/third_party/webkit/PerformanceTests/ARES-6/Air/basic_block.js
new file mode 100644
index 0000000000..dd9cea61f8
--- /dev/null
+++ b/third_party/webkit/PerformanceTests/ARES-6/Air/basic_block.js
@@ -0,0 +1,135 @@
+/*
+ * Copyright (C) 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. 
+ */
+"use strict";
+
+class BasicBlock {
+    constructor(index, frequency)
+    {
+        this._index = index;
+        this._frequency = frequency;
+        this._insts = [];
+        this._successors = [];
+        this._predecessors = [];
+    }
+    
+    get index() { return this._index; }
+    get size() { return this._insts.length; }
+    
+    [Symbol.iterator]()
+    {
+        return this._insts[Symbol.iterator]();
+    }
+    
+    at(index)
+    {
+        if (index >= this._insts.length)
+            throw new Error("Out of bounds access");
+        return this._insts[index];
+    }
+    
+    get(index)
+    {
+        if (index < 0 || index >= this._insts.length)
+            return null;
+        return this._insts[index];
+    }
+    
+    get last()
+    {
+        return this._insts[this._insts.length - 1];
+    }
+    
+    get insts() { return this._insts; }
+    
+    append(inst) { this._insts.push(inst); }
+    
+    get numSuccessors() { return this._successors.length; }
+    successor(index) { return this._successors[index]; }
+    get successors() { return this._successors; }
+    
+    successorBlock(index) { return this._successors[index].block; }
+    get successorBlocks()
+    {
+        return new Proxy(this._successors, {
+            get(target, property) {
+                if (typeof property == "string"
+                    && (property | 0) == property)
+                    return target[property].block;
+                return target[property];
+            },
+            
+            set(target, property, value) {
+                if (typeof property == "string"
+                    && (property | 0) == property) {
+                    var oldValue = target[property];
+                    target[property] = new FrequentedBlock(
+                        value, oldValue ? oldValue.frequency : Normal);
+                    return;
+                }
+                
+                target[property] = value;
+            }
+        });
+    }
+    
+    get numPredecessors() { return this._predecessors.length; }
+    predecessor(index) { return this._predecessors[index]; }
+    get predecessors() { return this._predecessors; }
+    
+    get frequency() { return this._frequency; }
+
+    toString()
+    {
+        return "#" + this._index;
+    }
+    
+    get headerString()
+    {
+        let result = "";
+        result += `BB${this}: ; frequency = ${this._frequency}\n`;
+        if (this._predecessors.length)
+            result += "  Predecessors: " + this._predecessors.join(", ") + "\n";
+        return result;
+    }
+    
+    get footerString()
+    {
+        let result = "";
+        if (this._successors.length)
+            result += "  Successors: " + this._successors.join(", ") + "\n";
+        return result;
+    }
+    
+    toStringDeep()
+    {
+        let result = "";
+        result += this.headerString;
+        for (let inst of this)
+            result += `    ${inst}\n`;
+        result += this.footerString;
+        return result;
+    }
+}
+