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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">If you do dump(CurDAG) then it will resolve machine nodes for you. See llvm/include/llvm/CodeGen/SelectionDAGNodes.h<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> llvmdev-bounces@cs.uiuc.edu [mailto:llvmdev-bounces@cs.uiuc.edu]
<b>On Behalf Of </b>Cameron McInally<br>
<b>Sent:</b> Wednesday, August 15, 2012 10:23 AM<br>
<b>To:</b> Fabian Scheler<br>
<b>Cc:</b> LLVM Developers Mailing List<br>
<b>Subject:</b> Re: [LLVMdev] More Back-End Porting Troubles<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#222222;background:white">On Wed, Aug 15, 2012 at 12:11 PM, Fabian Scheler <<a href="mailto:fabian.scheler@gmail.com" target="_blank"><span style="color:#1155CC">fabian.scheler@gmail.com</span></a>>wrote:</span><o:p></o:p></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#222222">Hi LLVM-Folks,<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#222222"> ...<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#500050">Currently, I am not even able to find out which instruction is messed<br>
up here (dumping the node via the dump-Method yields "<<Unknown<br>
Machine Node #65434>>"). Can I use "machine nodes" and "normal nodes"<br>
when lowering a specific instruction within the TargetLowering?<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#222222">Usually, when I see this type of error in the X86 target, I use the following function to narrow down the search: <o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#222222"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#222222">> /// getTargetNodeName - This method returns the name of a target specific<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#222222">> /// DAG node.<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#222222">> virtual const char *getTargetNodeName(unsigned Opcode) const; <o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#222222"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#222222">If I'm not mistaken, the normal dump method returns names for ISD Opcodes and not for target specific opcodes, in my case X86ISD Opcodes. <o:p></o:p></span></p>
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