
<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Mar 18, 2016, at 4:14 PM, Rail Shafigulin <<a href="mailto:rail@esenciatech.com" class="">rail@esenciatech.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class=""><div class="gmail_extra"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word" class=""><div class=""><span class=""><div class="">Here is how I started with SelectionDAG: <br class=""></div></span></div><div class=""><br class=""></div><div class="">- small IR (bugpoint can help)</div></div></blockquote><div class="">Did you mean a break point? </div></div></div></div></div></blockquote><div><br class=""></div>No I really meant bugpoint: <a href="http://llvm.org/docs/Bugpoint.html" class="">http://llvm.org/docs/Bugpoint.html</a></div><div><br class=""><blockquote type="cite" class=""><div class=""><div dir="ltr" class=""><div class="gmail_extra"><div class="gmail_quote"><div class=""><br class=""></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word" class=""><div class="">- the magic flag: -debug </div><div class="">- read the output of SelectionDAG debugging (especially with cycles)</div><div class="">- matching the log to source code</div></div></blockquote><div class="">What log are you talking about?</div></div></div></div></div></blockquote><div><br class=""></div><div>llc -debug mentioned above.</div><div><br class=""></div><div>-- </div><div>Mehdi</div><br class=""><blockquote type="cite" class=""><div class=""><div dir="ltr" class=""><div class="gmail_extra"><div class="gmail_quote"><div class=""> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word" class=""><div class="">- single stepping in a debugger sometimes.</div><span class="HOEnZb"><font color="#888888" class=""><div class=""><br class=""></div><div class=""><br class=""></div><div class="">-- </div><div class="">Mehdi</div><div class=""><br class=""></div></font></span></div></blockquote></div><br class=""><br clear="all" class=""><div class=""><br class=""></div>-- <br class=""><div class="gmail_signature"><div dir="ltr" class=""><div class=""><div dir="ltr" class=""><div class="">Rail Shafigulin<br class=""></div>Software Engineer <br class="">Esencia Technologies<br class=""></div></div></div></div>

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