<html>
    <head>
      <base href="https://bugs.llvm.org/">
    </head>
    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - crash on option -print-machineinstrs=<wrong pass name>"
   href="https://bugs.llvm.org/show_bug.cgi?id=39494">39494</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>crash on option -print-machineinstrs=<wrong pass name>
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>new-bugs
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>trunk
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>PC
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Linux
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>new bugs
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>unassignedbugs@nondot.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>cs15mtech11002@iith.ac.in
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>llvm-bugs@lists.llvm.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>-print-machineinstrs <pass name>, when the pass name is incorrect or
unsupported compiler is crashing.

For example:

./bin/llc -O3 test.ll -o /dev/null -print-machineinstrs=greedy
WORKS WELL PRINTS MACHINE INSTRUCTIONS

./bin/llc -O3 feature-cache.ll -o /dev/null -print-machineinstrs=pbqp

llc:/home/.../llvm/lib/CodeGen/TargetPassConfig.cpp:843: virtual void
llvm::TargetPassConfig::addMachinePasses(): Assertion `TPI && IPI && "Pass ID
not registered!"' failed.
Stack dump:
0.      Program arguments: /home/..../bin/llc -O3 test.ll -o /dev/null
-print-machineinstrs=pbqp
...
...
...</pre>
        </div>
      </p>


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