<html><head><base href="x-msg://36/"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">There has been talk about lazily computing liveness. Please search the llvmdev archive.<div><br></div><div>Evan</div><div><br><div><div>On Mar 19, 2009, at 9:28 AM, George Patsilaras wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div class="hmmessage" style="font-size: 10pt; font-family: Verdana; ">I was wonderring if there is any quick way to check how many virtual registers are live-in at any give instruction of a function?<br> <br>Right now my understanding is that I would have to calculate the gen, kill, in and out sets and iterate over the entire functions CFG until the sets stop changing.<br> <br>Thanks<br><br><hr>Express your personality in color! Preview and select themes for HotmailŪ.<span class="Apple-converted-space"> </span><a href="http://www.windowslive-hotmail.com/LearnMore/personalize.aspx?ocid=TXT_MSGTX_WL_HM_express_032009#colortheme" target="_new">See how.</a>_______________________________________________<br>LLVM Developers mailing list<br><a href="mailto:LLVMdev@cs.uiuc.edu">LLVMdev@cs.uiuc.edu</a><span class="Apple-converted-space"> </span> <a href="http://llvm.cs.uiuc.edu">http://llvm.cs.uiuc.edu</a><br><a href="http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev">http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev</a><br></div></span></blockquote></div><br></div></body></html>