{"title":"Graal\u3067\u306ePHI","version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.sakatakoichi.com%2Fentry%2F2018%2F01%2F11%2F190000\" title=\"Graal\u3067\u306ePHI - Fight the Future\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","categories":["java","jvm"],"author_url":"https://blog.hatena.ne.jp/jyukutyo/","author_name":"jyukutyo","blog_title":"Fight the Future","blog_url":"https://www.sakatakoichi.com/","provider_name":"Hatena Blog","height":"190","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/j/jyukutyo/20171219/20171219111040.png","provider_url":"https://hatena.blog","description":"\u4ee5\u524dSSA\u305d\u3057\u3066PHI\u3068\u306f\u4f55\u304b\u306b\u3064\u3044\u3066\u5b66\u3073\u307e\u3057\u305f\u3002 jyukutyo.hatenablog.com \u4eca\u56de\u306fGraal\u3067\u306ePHI\u306b\u3064\u3044\u3066\u8abf\u3079\u307e\u3059\u3002 \"static single assignment\"\u3067\u691c\u7d22\u3059\u308b\u3068\u3001org.graalvm.compiler.lir.ssa.SSAUtil\u30af\u30e9\u30b9\u3092\u898b\u3064\u3051\u307e\u3057\u305f\u3002 \u30c9\u30ad\u30e5\u30e1\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u30b3\u30e1\u30f3\u30c8\u306f\u3053\u3046\u3067\u3059\u3002PHI\uff08\u30d5\u30a1\u30a4\uff09\u306eLIRInstruction\u30af\u30e9\u30b9\u3068\u3044\u3046\u306e\u306f\u500b\u5225\u306b\u306f\u306a\u3044\u3002\u4ee3\u308f\u308a\u306bPHI\u306f\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d5\u30ed\u30fc\u306e\u30a8\u30c3\u30b8\u3092\u307e\u305f\u304c\u308b\u4e26\u884c\u30b3\u30d4\u30fc\u3068\u3057\u3066\u5b9f\u88c5\u3055\u308c\u308b\u3002\u7279\u5b9a\u306e\u30de\u30fc\u30b8\u30d6\u30ed\u30c3\u30af\u306ePHI\u306b\u3088\u308a\u5c0e\u5165\u3055\u308c\u308b\u5909\u6570\u306f\u3001\u30d6\u30ed\u30c3\u30af\u306eStandardOp.LabelO\u2026","type":"rich","width":"100%","published":"2018-01-11 19:00:00","url":"https://www.sakatakoichi.com/entry/2018/01/11/190000"}