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<p class="MsoNormal"><span style="font-family:"Meiryo UI","sans-serif";color:black">Hello LLVM-Dev,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Meiryo UI","sans-serif";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Meiryo UI","sans-serif";color:black">Attached are:
<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="font-family:Symbol;color:black"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-family:"Meiryo UI","sans-serif";color:black">The DAG after being built<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="font-family:Symbol;color:black"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-family:"Meiryo UI","sans-serif";color:black">The DAG before the legalization phase<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Meiryo UI","sans-serif";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Meiryo UI","sans-serif";color:black">The DAG illustrated performs a signed division for type i32. As can be seen, the SDIV node was converted to a series of other nodes (which includes a MULHS node). In the target
lowering class of our target, the SDIV has an operation action of custom. Does anybody know where in between the SelectionDAGBuilder and the Legalization phases the SDIV node got converted? I need the SDIV node to stay as an SDIV node until legalization phase
(where it will be lowered into a library call). How can this behavior be accomplished? Does the converted series of nodes still perform the expected operation?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Meiryo UI","sans-serif";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Meiryo UI","sans-serif";color:black">Thank you very much in advance for your help!<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Meiryo UI","sans-serif";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Meiryo UI","sans-serif";color:black">Sincerely,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Meiryo UI","sans-serif";color:black">Miguel Inigo J. Manalac (1852)<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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