<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class="">This is really cool! I second Jacob’s request for nightlies. </div><div class=""><br class=""></div><div class="">Many things in the Swift compiler are architected similarly to Clang (inspired by Clang), so hopefully any features the explorer can do for C++ it could do for Swift as well. The swift compiler dump ASTs similarly to Clang with e.g. -dump-ast. I’m not sure what “Show optimization output” is supposed to do, as I can’t seem to make it work even for C++ using Clang, but swiftc also supports emitting SIL and LLVM IR.</div><div class=""><br class=""></div><br class=""><div><blockquote type="cite" class=""><div class="">On Jun 22, 2017, at 10:24 AM, Adam Nemecek via swift-evolution <<a href="mailto:swift-evolution@swift.org" class="">swift-evolution@swift.org</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class="">Howdy,<div class="">Matt Godbolt and I have added Swift support to his compiler explorer project</div><div class=""><br class=""></div><div class=""><a href="https://swift.godbolt.org/" class="">https://swift.godbolt.org/</a><br class=""></div><div class=""><br class=""></div><div class="">It let's you interactively explore assembly emitted by the Swift compiler. </div><div class=""><br class=""></div><div class="">Right now, if you want the compiler to emit Intel syntax instructions, pass "-emit-assembly -Xllvm --x86-asm-syntax=intel" to the compiler as a command line argument in the text field in the top right corner.</div><div class=""><br class=""></div><div class="">Note that right now it's might still be kinda rough around the edges.</div><div class=""><br class=""></div><div class="">You can contribute to the project here <a href="https://github.com/mattgodbolt/compiler-explorer" class="">https://github.com/mattgodbolt/compiler-explorer</a></div><div class=""><br class=""></div><div class="">Adam</div></div>
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