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Diffstat (limited to '')
-rw-r--r-- | third_party/webkit/PerformanceTests/ARES-6/Air/basic_block.js | 135 |
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; + } +} + |