<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"><title></title><head><meta http-equiv="Content-type" content="text/html; charset=UTF-8" /><style type="text/css"> html, body {overflow-x: visible; } html { width:100%; height:100%;margin:0px; padding:0px; overflow-y: auto; overflow-x: auto; }body { font-size: 100.01%; font-family : Verdana, Geneva, Arial, Helvetica, sans-serif; background-color:transparent; overflow:show; background-image:none; margin:0px; padding:5px; }p { margin:0px; padding:0px; } body { font-size: 12px; font-family : Verdana, Geneva, Arial, Helvetica, sans-serif; } p { margin: 0; padding: 0; } blockquote { padding-left: 5px; margin-left: 5px; margin-bottom: 0px; margin-top: 0px; } blockquote.quote { border-left: 1px solid #CCC; padding-left: 5px; margin-left: 5px; } .misspelled { background: transparent url(//webmailerng.1und1.de/static_resource/mailclient/widgets/basic/parts/maileditor/spellchecking_underline.gif) repeat-x scroll center bottom; } .correct {} .unknown {} .ignored {}</style></head><body id="bodyElement" style="">
<p>Hi,<span></span></p><p id="__paragraph__1298387540000" style=""><br><span style=""></span></p><p id="__paragraph__1298387540000" style=""><span style="">I'm currently working on an optimization pass, that requires the execution between instruction selection and scheduling. In addition, this pass is working on MachineFunction/Function level. Therefore it's necessary, that the instruction selection for the whole Function is completed before any scheduling is done.</span><span></span></p><p id="__paragraph__1298388229000" style=""><span style="">After the optimization pass had completed it's work, the regular scheduling should start.</span><span></span></p><p id="__paragraph__1298388598000" style=""><span style="">Is there a way to split those two phases and let the instruction selection complete for all basic blocks, before the scheduling starts?</span><span></span></p><p id="__paragraph__1298389136000" style=""><br></p><p id="__paragraph__1298389136000" style="">A second question: Requires the instruction selection of a basic block the completion of scheduling of previous basic blocks?</p><p id="__paragraph__1298389136000" style=""><br></p><p id="__paragraph__1298389136000" style="">Regards,<span></span></p><p id="__paragraph__1298389332000" style=""><br><span style=""></span></p><p id="__paragraph__1298389332000" style=""><span style="">Patrick<br></span></p><basefont size="2" face="Verdana"><span id="editor_signature"><font color="#000000" face="Verdana" size="2"></font></span></body></html>