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<p class="MsoNormal">I'm trying to generate a callgraph with clang++ -Iinclude -std=c++17 -S -emit-llvm demo.cpp -o - | opt -analyze -dot-callgraph but I am getting the following error:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Writing '<stdin>.callgraph.dot'... error opening file for writing!<o:p></o:p></p>
<p class="MsoNormal">Printing analysis 'Print call graph to 'dot' file':<o:p></o:p></p>
<p class="MsoNormal">Pass::print not implemented for pass: 'Print call graph to 'dot' file'!<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I'm using clang 12 on windows. I cannot find a way to supply an alternative filename (-o doesn’t seem to work). Have I missed something in the docs or is this not supported? Either way, this may be enhancement / bug worthy.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thank you,<o:p></o:p></p>
<p class="MsoNormal">Jeremy<o:p></o:p></p>
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