<div dir="ltr">"parser tree" and AST sound like they're probably the same thing - any reason to believe they aren't/any distinction between those terms you're aware of?<br>(you probably want to CC relevant people from those thread into this one/whoever you're hoping to address these concerns - mailing lists can be high volume & people don't always find the threads they would like to contribute to)</div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Dec 19, 2019 at 9:14 AM Rajesh K Singh via llvm-dev <<a href="mailto:llvm-dev@lists.llvm.org">llvm-dev@lists.llvm.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="auto"><div class="gmail_quote" dir="auto"><div dir="ltr" class="gmail_attr">Hello,<br></div><div lang="EN-US"><div><p class="MsoNormal"><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">This is regarding recent/ongoing discussions about F18 being merged in LLVM.<u></u><u></u></p>
<p class="MsoNormal">I was going through these threads, and I found few important points which were possibly left unanswered (or I might have missed few threads).<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">URL: <a href="http://lists.llvm.org/pipermail/flang-dev/2019-December/000120.html" rel="noreferrer" target="_blank">
http://lists.llvm.org/pipermail/flang-dev/2019-December/000120.html</a><u></u><u></u></p>
<p class="MsoNormal">Point: Is (3) AST -> FIR -> MLIR LLVM-IR -> LLVM-IR) in a shape where we can generate LLVM IR now? [*1]<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">F18 generates parser tree after successful completion of parsing/semantics phase.<u></u><u></u></p>
<p class="MsoNormal">In the above point ([*1]) AST is mentioned. Do we mean that AST and parse tree as same, as F18 does not generate anything known as AST.
<u></u><u></u></p>
<p class="MsoNormal">If not, are we planning to implement AST generation in F18?<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">URL: <a href="http://lists.llvm.org/pipermail/llvm-dev/2019-December/137677.html" rel="noreferrer" target="_blank">
http://lists.llvm.org/pipermail/llvm-dev/2019-December/137677.html</a><u></u><u></u></p>
<p class="MsoNormal">Point: <span style="font-size:10pt;font-family:Consolas;color:black">
IR generation still appears to be text string based?<u></u><u></u></span></p>
<p class="MsoNormal">F18 does not generate IR/FIR so far. <u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">Please enlighten on above points.<u></u><u></u></p>
<p class="MsoNormal">Thanks in anticipation.<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">Regards,<u></u><u></u></p>
<p class="MsoNormal">Rajesh</p></div><font face="Arial" color="Gray" size="1">
</font>
</div>
</div></div>
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